NewPrincipal Technical Sales Manager - Federal Engineer Projects Constellation EnergyPrincipal Technical Sales Manager - Federal Engineer ProjectsMiddle River, MD$127,800–$142,000The Technical Sales Manager (TSM) provides building-systems knowledge & development/design expertise in support of sales efforts for Energy Efficiency focused Infrastructure Renewal and Building Upgrade & Improvement projects. Bachelor's degree in Mechanical Engineering and 8-years of project development or sales engineering experience developing facilities-based or building infrastructure projects or equivalent combination of education and relevant experience.
Principal Software Engineer, Field Engineering Raft Company WebsitePrincipal Software Engineer, Field EngineeringAberdeen Proving Ground, MD$160,000–$220,000 / yearWe are looking for an experienced Principal Software Engineer to be embedded with our Army customers at Aberdeen Proving Ground, serving as Raft's senior technical presence on the ground: someone who can write production code in the morning, troubleshoot a Kubernetes deployment in a SCIF in the afternoon, and brief a program office on fielding status before end of day. You will partner closely with Raft's product, platform, and delivery teams to ensure our products are fielded well: installed cleanly, integrated with Army data sources and mission systems, observable in production, and easy for operators and downstream developers to use.
Principal Software Engineer - Full Stack (Java/Angular/AWS) Akkodis Group AG.Principal Software Engineer - Full Stack (Java/Angular/AWS)MD$68–$70 / hourImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Key Required Skills: Strong experience with Java, OpenShift/ Amazon Web Services (AWS), Agile Development, Angular/React, JavaScript, Spring Boot, Spring Batch, and Web Services.
NewSenior Principal Engineer Software Palo Alto Networks IncSenior Principal Engineer SoftwareMD$170,000–$277,000 / yearFor candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/com-missioned roles) is expected to be the annual range listed below. Communication: Exceptional communication, negotiation, and presentation abilities, with the knack for translating complex technical concepts for both engineering teams and executive stakeholders.
Principal Software Engineer INSPYR SolutionsPrincipal Software EngineerMilford Mill, MD$70–$78 / hourImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Sr. Principal Embedded Software Engineer Northrop Grumman CorpSr. Principal Embedded Software EngineerBaltimore, MD$135,800–$203,600 / yearActively participate in an Integrated Product Team (IPT), support design reviews and technical peer reviews to ensure system/software requirements are being met from an end-to-end system point of view. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Sr Principal Embedded Software Engineer Northrop Grumman CorpSr Principal Embedded Software EngineerBaltimore, MD$135,800–$203,600 / yearActive participation with systems engineering in technical peer, design, architecture, and system reviews to ensure system/software requirements are being met from an end-to-end system point of view. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Principal Software Engineer Expert In Recruitment SolutionsPrincipal Software EngineerWoodlawn, MDImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Software Engineer, Principal - TS/SCI Parsons CorpSoftware Engineer, Principal - TS/SCIMD$125,100–$225,200 / yearWhat You'll Be Doing: Design and develop innovative software code for new tools and capabilities in areas related to computer security, vulnerability research, reverse engineering, and product development. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation''s most critical assets, from Earth to cyberspace.
Principal Software Engineer Amatriot Group, LLCPrincipal Software EngineerWoodlawn, MD$145,000–$175,000 / yearImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Principal Software Engineer (SWE-V) LeidosPrincipal Software Engineer (SWE-V)MarylandMission Focus : Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer’s corporate architecture. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software.
Principal Software Engineer Omm IT SolutionsPrincipal Software EngineerWoodlawn, MarylandImplementation of Graphical User Interface (GUI) using the presentation tier technologies such as AngularJS, ReactJS, Node JS, Type Script, JavaScript, JSP, HTML, CSS, XML, AJAX, and jQuery, Front end development using modern JavaScript and experience with ES13+ features, such as classes, arrow functions, template literals and modules. Demonstrate a strong understanding of the latest trends in Artificial Intelligence (AI) and showcase the ability to apply AI knowledge to enhance or redesign existing system architectures, identifying opportunities where AI-driven solutions can add value, improve efficiency, or enable new capabilities.
Principal Software, Data, and AI Engineer Mitre CorpPrincipal Software, Data, and AI EngineerMD$191,200–$239,000 / yearFamiliarity with DevSecOps and infrastructure automation tools, including Helm, CI/CD pipelines such as Jenkins, GitLab CI, or ArgoCD, Infrastructure as Code tools such as Ansible and Terraform, and working in air-gapped or classified environments with Iron Bank hardened container images. These projects are focused on providing capabilities through close collaboration with warfighters, prototyping to demonstrate concepts and refine requirements, exploring commercial and other existing government solutions that can be leveraged, integration of capabilities (e.g., sensors, EW, autonomy, C-UAS), and assisting the Army with applying agile acquisition approaches.
NewPrincipal Embedded Software Engineer Northrop Grumman CorpPrincipal Embedded Software EngineerBaltimore, MD$108,800–$163,200 / yearActive participation with systems engineering in technical peer, design, architecture, and system reviews to ensure system/software requirements are being met from an end-to-end system point of view. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Principal AI Software Engineer (SWE-4) LeidosPrincipal AI Software Engineer (SWE-4)MarylandTechnical Proficiency : Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc. The candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment.
Principal Software Engineer (SWE-4) LeidosPrincipal Software Engineer (SWE-4)MarylandTechnical Proficiency : Develop and debug software using object-oriented programming languages; perform software engineering and technical design activities; analyze and understand legacy code; develop efficient algorithms utilizing data structures, dynamic programming, heuristics, and modeling techniques; conduct software testing and troubleshooting; work at the operating system level, including file I/O, system interfaces, and low-level programming concepts; and develop advanced tools for binary analysis, shellcode detection, malware analysis, function identification, and reverse engineering of compiled software. The engineer will work closely with mission stakeholders to analyze software requirements, design innovative technical solutions, develop software applications, and implement high-performance capabilities supporting advanced mission objectives.
NewPrincipal/Sr Principal PCB Producibility Engineer Northrop Grumman CorpPrincipal/Sr Principal PCB Producibility EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Collaborate with cross functional team-design teams, Global Supply Chain, PCB Category Management team, and PCB Fabricators to support PCB sourcing strategy and supplier readiness reviews.
Principal Digital Engineer or Sr. Principal Digital Engineer Northrop Grumman CorpPrincipal Digital Engineer or Sr. Principal Digital EngineerBaltimore, MD$119,600–$179,400 / yearPrincipal Digital Engineer with the desire to learn new technologies to join our innovative Software and Digital (SWDT) Technologies Organization to help develop, enhance and maintain software on cutting edge products and systems. The new team member will be collaborative, open, transparent, and team oriented with a focus on team empowerment & shared responsibility, flexibility, continuous learning and a culture of automation.
Principal / Sr Principal Systems Field Test Engineer Northrop Grumman CorpPrincipal / Sr Principal Systems Field Test EngineerBaltimore, MD$98,900–$148,300 / yearWhat You'll get to Do: Join our Field Engineering Integration & Test team supporting the Surface Electronic Warfare Improvement Program (SEWIP) Block 3-an upgrade to the legacy AN/SLQ‑32 system that provides game‑changing, non‑kinetic electronic‑attack capability for the U.S. fleet. Northrop Grumman Mission Systems is looking for you to join our team as a Principal or Sr Principal Systems Field Test Engineer for a long term position traveling to Wallops Island, VA (up to 90% travel position to this location) -home office based out of the Baltimore, MD.
Principal / Senior Principal Radar Modeling Simulation Analysis Systems Engineer Northrop Grumman CorpPrincipal / Senior Principal Radar Modeling Simulation Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Integrate MS&A with operational flight software, collecting and analyzing data from laboratory or flight tests, the verification and validation of simulation performance against flight test data, and formally verifying that the models meet specified requirements.
Principal RF Systems Engineer / Senior Principal RF Systems Engineer Northrop Grumman CorpPrincipal RF Systems Engineer / Senior Principal RF Systems EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. What You'll get to Do: As the Principal / Senior Principal Radio Frequency Systems Engineer you will be primarily engaged in the development and fielding of systems for advanced dedicated and multi-function RF subsystems.
Principal / Sr. Principal Systems Engineer - Electronic Warfare (EW) Northrop Grumman CorpPrincipal / Sr. Principal Systems Engineer - Electronic Warfare (EW)Baltimore, MD$108,800–$163,200 / yearDaily activities may consist of test plan development, operation of a Hardware-in-the-Loop (HWIL) digital test bench for data collection, analysis of test data, development of data analysis tools, mentoring of junior engineers, and the presentation of analysis results. Northrop Grumman Mission Systems' Baltimore and Partnered Sites (BaPs) division is seeking a Principal / Senior Principal Electronic Warfare (EW) Systems Engineer to join our team of qualified, diverse individuals at our Baltimore, MD campus.
Principal Systems Engineer / Sr. Principal Systems Engineer (Flight Test) Northrop Grumman CorpPrincipal Systems Engineer / Sr. Principal Systems Engineer (Flight Test)Baltimore, MD$108,800–$163,200 / yearRoles & Responsibilities: Work with a skilled team of experienced former military test pilots, system software and hardware experts, and other flight test professionals integrating and testing advanced sensor systems on board highly modified experimental aircraft. This includes electrical systems interface definition, design, electrical system integration, electrical system verification & validation test support, cost & risk analyses, and supportability & effectiveness of the system under test.
Principal/Senior Principal Electromechanical Design Engineer Northrop Grumman CorpPrincipal/Senior Principal Electromechanical Design EngineerBaltimore, MD$108,800–$163,200 / yearBasic Qualifications Senior Principal Electromechanical Design Engineer: Bachelor's degree with 8 years of experience, a master's degree with 6 years of experience or a PhD with 4 years of experience in Mechanical Engineering, Electrical Engineering, Computer Engineering, Computer Science, or related technical fields. Basic Qualifications for Principal Electromechanical Design Engineer: Bachelor's degree with 5 years of experience, a master's degree with 3 years of experience or a PhD with 1 year of experience in Mechanical Engineering, Electrical Engineering, Computer Engineering, Computer Science, or related technical fields.
NewPrincipal/Sr. Principal Engineer Digital Receiver Exciter Subsystem I&T Northrop Grumman CorpPrincipal/Sr. Principal Engineer Digital Receiver Exciter Subsystem I&TBaltimore, MD$119,600–$179,400 / yearThe AMS E&S organization at Northrop Grumman Missions Systems in Baltimore, Maryland is seeking experienced Digital Receiver/Exciter (DREX) Subsystem Integration and Test engineers in the following areas: DREX subsystems integration and DREX control design and architecture. The qualified candidates will work with a diverse and talented team of engineers developing innovative and cost-effective systems that support a broad range of products and business areas across the lifecycle of a program.
Principal/Sr. Principal RF Hardware Subsystem Integration and Test Engineer (Evergreen) Northrop Grumman CorpPrincipal/Sr. Principal RF Hardware Subsystem Integration and Test Engineer (Evergreen)Baltimore, MD$108,800–$163,200 / yearExhibit proficiency in near field or compact antenna test ranges on tasks including antenna range integration, test, data collection, data analysis, and system integration Exhibit proficiency with RF test equipment including network analyzers, signal generators, spectrum analyzers, and oscilloscopes Ability to develop highly novel solutions to a broad variety of RF/Microwave design and test related problems of complex difficulty which require the regular use of ingenuity and creativity Established subject matter expertise in numerous areas of RF/Microwave discipline including but not limited to: Antenna, RF performance analysis, RF test verification, and production test support Exhibit proficiency in electrical and mechanical troubleshooting Exhibit proficiency in software scripting and debugging in MATLAB, Visual Basic, and C++ Exhibit general aptitude in antenna range scheduling, staffing, technical team leadership, requirements, prioritization, time management, team building, work dissemination, planning, and early identification of issues Ability to design, implement, install and maintain electrical systems. Ability to obtain a SAP Clearance Expert user of both near-field and compact antenna test ranges Expert user of NSI-MI Technology antenna range test systems Expert user of MATLAB for post-processing antenna range test data.
Principal/Sr. Principal RF Hardware Subsystem I&T Engineers Northrop Grumman CorpPrincipal/Sr. Principal RF Hardware Subsystem I&T EngineersBaltimore, MD$108,800–$163,200 / yearTypical Roles and Responsibilities include: Responsibilities may include subsystem analysis including hardware from RF to digits, support for acceptance testing (ATP), subsystem troubleshooting, data analysis, range integration / optimization, software development & integration, and more. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.
Principal/Senior Principal Electronics Durability Engineer Northrop Grumman CorpPrincipal/Senior Principal Electronics Durability EngineerBaltimore, MD$108,800–$163,200 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. Lead durability analysis efforts by owning requirements, proactively obtaining multidisciplinary analysis inputs, and providing programs with robust fatigue mitigation plans, while mentoring engineers less experienced in durability analysis.
Principal / Senior Modeling Simulation & Performance Analysis Systems Engineer Northrop Grumman CorpPrincipal / Senior Modeling Simulation & Performance Analysis Systems EngineerBaltimore, MD$108,800–$163,200 / yearBasic Qualifications for Senior Principal Modeling Simulation & Performance Analysis Systems Engineer: Bachelor's degree with 8 years of experience, a Master's degree with 6 years of experience or a PhD with 4 years of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. Basic Qualifications for Principal Modeling Simulation & Performance Analysis Systems Engineer: Bachelor's degree with 5 years of experience, a Master's degree with 3 years of experience or a PhD with 1 year of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
NewPrincipal Network Engineer StratAcuity Staffing Partners IncPrincipal Network EngineerBaltimore, MDIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
NewSr Principal Systems Integration & Test Engineer - Radar Lab Technical Lead Northrop Grumman CorpSr Principal Systems Integration & Test Engineer - Radar Lab Technical LeadBaltimore, MD$135,800–$203,600 / yearSupport Control Account Managers (CAMs), the I&T IPT Lead, and SEIT leadership by providing technical planning inputs, Quantifiable Backup Data (QBD) updates, work package status, execution metrics, schedule assessments, technical risk identification, estimate-to-complete inputs, and technical status reporting supporting successful program execution. The role provides technical leadership for laboratory integration planning and execution while partnering closely with Systems Engineering, Software Engineering, Hardware Engineering, Manufacturing, Logistics, Mission Assurance, Program Management, and complementary technical leads responsible for verification strategy, requirements verification, software qualification, and configuration management.
NewSr. Principal Systems Engineer - ATP Lead Northrop Grumman CorpSr. Principal Systems Engineer - ATP LeadBaltimore, MD$135,800–$203,600 / yearWhat You'll Get to Do: Lead Acceptance Test Execution - Plan, schedule, and execute system level acceptance tests; maintain the System ATP plan and procedures; ensure resources (personnel, facilities, equipment, test assets) are available and aligned with production build plans and program milestones. Cross Functional Leadership - Act as the primary interface for Production Program Managers, Technical Leadership (Chief Engineer, System Architect, SEIT Lead), Integration & Test SMEs, and Quality/Mission Assurance.
F - 22 - Senior Principal Chief Engineer Northrop Grumman CorpF - 22 - Senior Principal Chief EngineerBaltimore, MD$135,800–$203,600 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. What You'll Get to Do: The individual will be responsible for technical execution, technology development strategies, and programmatic coordination across the F-22 sustainment portfolio in addition to: Lead timely execution of engineering activities across Integrated Product Teams (IPTs) while staying within scope and budget.
Principal / Senior Mission Engineering Systems Engineer Northrop Grumman CorpPrincipal / Senior Mission Engineering Systems EngineerBaltimore, MD$108,800–$163,200 / yearWhat You Will Get to Do: As an integral part of the Modeling, Simulation and Analysis Section, you will apply MS&A techniques with a focus on Mission Engineering while accelerating the delivery of capabilities to our customers through either mission studies, system-of-system trades or performance analysis using credible modeling, simulation, experimentation, and analysis processes to assess system architectures that best deliver the effects, data, and capabilities demanded by tomorrow's missions. Basic Qualifications for Senior Principal Mission Engineering Systems Engineer: Bachelor's degree with 8 years of experience, a Master's degree with 6 years of experience or a PhD with 4 years of experience in Science, Technology, Engineering or Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree.
Sr Principal Engineer Propulsion Northrop Grumman CorpSr Principal Engineer PropulsionElkton, MD$129,300–$193,900 / yearBasic Qualifications · Requires Bachelors in STEM plus at least 8 years of design experience or Master's Degree in STEM and at least 6 years of design experience or a PhD in STEM and at least 4 years of design experience · Prior experience guiding and mentoring lower-level engineers · Ability to obtain a Secret Clearance which requires US Citizenship as a pre-requisite · Proficiency with Siemens NX · Ability and willingness to travel 10-25%. Preferred Qualifications · Degree in Mechanical or Aerospace Engineering strongly preferred · Experience with mechanical design of propulsion components or fluid systems · Current active Security Clearance · Proficiency with Siemens Teamcenter United Architecture · Ability to interpret and apply Geometric Dimensioning and Tolerancing (GD&T).
Senior Principal Systems Algorithm Engineer Northrop Grumman CorpSenior Principal Systems Algorithm EngineerBaltimore, MD$135,800–$203,600 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The Advanced EOIR team anticipates a near-term need for a Senior Principal Systems Engineer to work as a deputy technical lead for technical concepts and algorithm development work related to advanced electro-optical and infrared (EO/IR) sensing.
NewSenior Principal Digital Hardware Engineer Northrop Grumman CorpSenior Principal Digital Hardware EngineerBaltimore, MD$149,300–$223,900 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The Senior Principal Digital Hardware Engineer is a core member of the Hardware Engineering team responsible for designing, modeling, analyzing, and testing digital circuit card assemblies.
Sr Principal Engineer Manufacturing Systems Northrop Grumman CorpSr Principal Engineer Manufacturing SystemsBaltimore, MD$135,800–$203,600 / yearThe Manufacturing Systems Engineer will be responsible for shaping and executing the Product Line strategy across the Airborne Multifunction Sensors (AMS) division as well as consulting as a subject matter expert on capital projects, MTA and IRAD efforts. Experience with processes and materials used to make Actively Electronically Scanned Arrays (AESA) including semiconductor technology, microelectronic assembly, printed circuit board fabrication, surface mount technology, electromechanical assembly, and materials for RF performance.
Special Projects Group Principal Geotechnical Engineer - Transportation Engineering Consulting Services LtdSpecial Projects Group Principal Geotechnical Engineer - TransportationYork, PAECS is currently ranked #60 in Engineering News-Record's Top 500 Design Firms (April 2026), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). Attend weekly department managers meeting to discuss overall goals and learn information that will need to be passed down to Project and Senior Project Managers.
Special Projects Group Principal Geotechnical Engineer - Transportation ECS LtdSpecial Projects Group Principal Geotechnical Engineer - TransportationYork, PennsylvaniaECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). Primary responsibilities include pursuit and execution of geotechnical projects in the transportation sector in the northern Mid-Atlantic region , including highway, bridge, and rai l .
Principal Desktop Engineer T. Rowe PricePrincipal Desktop EngineerOwings Mills, MDFull timeBlending hands-on technical depth with execution-focused leadership, the Principal serves as both a strategic partner to Workplace Experience Technology leadership and the highest technical escalation point for complex endpoint challenges — ensuring that strategy is realized through rigorous engineering, operational excellence, and measurable platform performance. Deliver Major Programs and Projects: Oversee large‑scale desktop initiatives such as OS migrations, hardware refreshes, enterprise software deployments, and new platform rollouts, coordinating across Security, Networking, Cloud, and Service Desk teams.
NewPrincipal Engineer - Connector Reliability Amphenol Communications SolutionsPrincipal Engineer - Connector ReliabilityPAProvide guidance on reliability-impacting manufacturing processes - plating thickness, assembly torque, housing material selection - and collaborate with quality and manufacturing teams to ensure process controls support reliability targets. Act as the customer-facing SME representing site engineering on product safety, certification, and regulatory compliance - supporting RFQs, audits, and technical reviews with authoritative, clear responses on certification paths, timelines, and limitations.
Principal Engineer, SCADA Engineering (BESS) Invenergy LLCPrincipal Engineer, SCADA Engineering (BESS)MD$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
NewPrincipal Data Center Thermal Products Engineer (onsite) Johnson Controls International PlcPrincipal Data Center Thermal Products Engineer (onsite)PA$100,000–$155,000 / yearJohnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
Principal Engineer High Company LLCPrincipal EngineerMDEngineering leadership and management: Ensure that on projects assigned within the region or national account, technical staff: Adhere to StructureCare quality, schedule, and budget requirements, adjusting as necessary to meet targets. Manage assigned direct and/or indirect report relationships including: Conduct all required performance reviews with regular check-ins, documentation and positive coaching as required to ensure the development of engineers assigned.
Engineer/Principal Engineer RF Microwave Design Northrop Grumman CorpEngineer/Principal Engineer RF Microwave DesignBaltimore, MD$87,600–$131,400 / yearWhat you'll get to do: Responsibilities may include testing and troubleshooting Line Replacement Modules (LRM) and Circuit Card Assemblies (CCA) of RF architecture, recommend data driven requirements threshold adjustments, perform subsystem analysis including hardware from RF to digits, support for performance testing, requirements verification, and more. Northrop Grumman Missions Systems is seeking experienced RF engineers in the following areas: Antennas, Electromagnetics, Computational Electromagnetics, RF/Microwave design, Digital beamforming, Hardware/Subsystem Integration and Test, and Antenna Control Design.
Engineer/Principal Engineer RF Microwave Design (SkillBridge) Northrop Grumman CorpEngineer/Principal Engineer RF Microwave Design (SkillBridge)Baltimore, MD$87,600–$131,400 / yearDeveloping subject matter expertise in one or more areas of RF/Microwave discipline including but not limited to: RF components, assemblies, subsystems, requirements development, EM and related modeling & simulation, RF test verification, production test support, and design for producibility. This program provides comprehensive hands-on experience including professional development, networking with leadership, and training specifically focused on NG leadership principles, company history, customer/stakeholder engagement, product and service overview, and core job responsibilities.
Senior Principal Platform Engineer Clarity InnovationsSenior Principal Platform EngineerMarylandClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation’s interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Key responsibilities include contributing to the K8s-based AI access platform, managing deployment of core AI services, integrating frontier models (e.g., Claude, GPT) and local inference engines (e.g., vLLM) along with designing MLOps pipelines.
Sr. Software Engineer MondoSr. Software EngineerBaltimore, MarylandRemote$50–$55 / hourWe are seeking a senior-level backend software engineer to design, build, and maintain scalable, secure, and high-performance APIs and distributed systems in a modern cloud-native environment. Nice-to-Have Skills/Experiences (NOT required, but a plus!) :Experience with GraphQL federation and Apollo Router.
Principal Electrical Engineer, NA Vantage Data Centers Management Co LLCPrincipal Electrical Engineer, NAMDDeveloping and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. Highly skilled in project engineering and design work, the Principal Electrical Engineer handles complex and high-impact assignments, providing technical expertise to guide project success.