932 Results for

Principal Engineer Jobs in Maryland City, MD

Jobs

Baltimore, MD

$130,000–$156,000 / year

Along with security platform mastery in more than one platform area (IDS/IPS, firewall/WAF, access and identity, malware defense, threat modeling, exposure management, among others), the Principal Cybersecurity Engineer is formally trained in enterprise IT design and architecture practices. The Principal Cybersecurity Engineer has a demonstrated mastery in multiple security and non-security technology platforms, with the ability to both lead and advise on the overall designs and strategies of both security and non-security technologies.

6 days ago

Arlington, VA

$131,300–$237,350

Implement software release version control, provide release management support throughout a software product's life cycle (initial software development through promotion to Test, QA and Production Environments), ensuring the consistency and reliability of software builds. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

4 days ago

Baltimore, MD

$80–$85 / hour
Contractor
Full time

p>Client Info / Who they are: Above and Beyond Talent Acquisition represents the country’s largest lending-exclusive financial company, serving millions with safe, affordable installment loans through 1,500 branches in 44 states. For over 100 years, their dedicated team has helped customers improve their financial lives with responsible, transparent solutions for debt, medical bills, home improvements, and auto purchases.

10 days ago

Annapolis Junction, MD

$131,300–$237,350

Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.

4 days ago

Arlington, VA

$131,300–$237,350

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

4 days ago

Tysons, VA

$140,000–$215,000 / year

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Today

Reston, VA

$98.48–$98.48 / hour

Ability to deliver high level design use cases demonstrating clear conceptual architecture, simple, logical explanation of data movement, rationale behind integration choices, and distinction between solution architecture vs. Candidates must be able to deliver high level use cases, demonstrating how they would design an architectural approach for a business scenario — explaining conceptual data flows (“move data from here to here and why”) and high level integration choices.

12 days ago

Gaithersburg, MD

$131,300–$237,350

As a member of a large-scale, Scaled Agile software development organization, you will play a central role in shaping next-generation air traffic automation capabilities by bridging mission needs, systems engineering rigor, and Agile software delivery. Leidos is seeking a Principal Software Architect to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP) and Common Baseline.

4 days ago

Multiple Locations

Full time

BGP proficiency across diverse platforms including Azure VWAN, Arista, Aruba, AWS Transit Gateway, Virtual Network Gateways, VPNs, and Palo Alto. This position typically operates as a team of one, but for larger initiatives you’ll coordinate with engineers borrowed from DevOps, Network Security, and other teams for periods ranging from weeks to months.

10 days ago

Annapolis Junction, MD

$133,555–$175,000
Full time

7 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in realted field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 12 years relevant experience. HII, Mission Technologies has a need for an AI/ML Engineer who will be responsible for designing advanced model architectures, developing machine learning pipelines, and optimizing AI systems for operational deployment in government and mission critical environments.

30+ days ago

Springfield, VA

Full time

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

30+ days ago

Reston, VA

Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Required Knowledge and Skills: Proven ability to perform electrical system calculations for cable sizing, ampacity, grounding, lighting, etc. for combined cycle power plants, Ability to perform short circuit and power system analyses, including transient stability analysis for a power project operating in island mode.

12 days ago

Reston, VA

Required Knowledge and Skills: Ability to develop logic diagrams and control philosophies for equipment and system operation on combined cycle power plants, Ability to optimize selection and sizing of control valves for steam, water and gas services. Ability to select and specify instrumentation for measurement of process parameters including temperature, pressure and flow for steam, water and gas services. Experience with layout and design of control rooms and control room HMI equipment. Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place.

12 days ago

Germantown, MD

Job Summary: We are looking for a Principal Electrical Engineer with 12+ years’ experience in design and development of Application Specific Integrated Circuits (ASIC) and micro-controller based embedded systems, specifically for battery powered medical devices. Building system architecture for sensor interface and connectivity to wearable and mobile devices using technologies such as near field communication (NFC) and Bluetooth.

30+ days ago

Rockville, MD

$160,000–$200,000 / year

Quantum Space, located in Rockville, Maryland, is seeking Senior Engineers (Engineer III)/Principal Engineers (Engineer IV) in Propulsion to lead the development of advanced flight-qualified propellant tanks and chemical/electric spacecraft propulsion systems. To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. § 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

11 days ago

Developing 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.

30+ days ago

Washington, DC

$158,843–$190,629 / year

As Senior Principal Engineer in EEI’s Reliability department, you will be a go-to expert for member companies and a recognized voice in national conversations about grid reliability and resilience—working directly with NERC, FERC, and the DOE. Our members deliver electricity to more than 250 million Americans across all 50 states and Washington, DC, and together the electric power industry supports more than 7 million jobs nationwide.

8 days ago

Maryland

30+ days ago

Washington, DC

$270,000–$400,000 / year

This role requires deep expertise in state estimation theory, extensive practical experience implementing ownship navigation systems in the aerospace domain, and strong software development skills for production-quality navigation code. The engineer will design and implement a unified navigation architecture that supports traditional GNSS/IMU fusion while being extensible to all-source navigation strategies incorporating diverse sensing modalities for GPS-degraded and denied environments.

30+ days ago

Bay Area, Washington

and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You will solve unprecedented challenges in ensuring hardware survives the rigors of launch, orbit, and long-duration deployment—pioneering physics-of-failure methodologies, predictive reliability frameworks, and AI-driven engineering approaches that redefine how high-stakes hardware is designed, qualified, and validated.

13 days ago

$105,400–$158,000 / year

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 candidates experience, education, skills and current market conditions. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nations history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

30+ days ago

$105,400–$158,000 / year

30+ days ago

Germantown, MD

$156,160–$199,525 / year

Lead small digital engineering teams and/or work independently to define requirements, conceive, document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, oversee PCB layouts, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize digital circuit designs to meet requirements at the circuit, card, and product levels. Experience utilizing a formal design process to document (create schematics, interface control documents, hardware design documents, test plans/reports, etc.), analyze/simulate, build prototypes, load firmware/software on prototype boards and radios, perform verification testing, debug, and optimize circuit designs to meet requirements at the circuit, card, and product levels.

5 days ago

$200,000–$310,000 / year

Lead or support signature testing efforts, including indoor and outdoor RCS range tests, validation campaigns, and supplier-level hardware evaluations. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology actively supports operations worldwide.

30+ days ago

Germantown, MD

Our business spans satellite television service, streaming and on-demand programming, smart home installation services, 5G wireless consumer and commercial services, internet and other enterprise products. Requires: Bachelor's degree (or foreign equivalent) in Computer Science or a closely related technical field plus 7 years of software application development experience in the job offered or similar roles.

10 days ago

Germantown, MD

Requires: Bachelor's degree in Computer Science, or a closely related field plus 5 years of experience in job offered, senior software engineer, or closely related role. Whether through research and development, technology innovation or solution engineering, our team members play a vital role in connecting consumers with the products and platforms of tomorrow.

30+ days ago

Baltimore, MD

$87,600–$131,400 / year

Developing 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.

30+ days ago

Baltimore, MD

$108,800–$163,200 / year

What you'll get to do: Responsibilities may include Testing and Troubleshooting Line Replacement Units (LRU) 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. Experienced applicants will have at least a bachelor's degree in science or other related technical degree or have equivalent experience testing and troubleshooting, integration, designing, developing and/or testing radio frequency (RF) and/or microwave antenna systems and/or related RF hardware.

5 days ago

$155,000–$180,000 / year

This 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.

24 days ago

Annapolis Junction, Maryland

Required Skills: Specialized expertise in logical architecture assessment, quantum algorithm simulation, architecture-aware performance modeling, ISA/compiler analysis, and system-level benchmarking is required to assess algorithms of interest on a functional representation of a target quantum system. This expertise is needed to generate credible performance estimates, identify capability gaps in proposed architectures and simulation capabilities, connect architectural assumptions to algorithm outcomes, and support mission-informed assessment of system capability.

12 days ago

Annapolis Junction, Maryland

$202,197–$213,254 / year

The breadth of these projects includes technologies for application in free-space optical (FSO) and fiber communications and sensors, photonic integrated circuits, active and passive optical remote sensing and imaging, microwave photonics, and quantum technologies. Company Overview: General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.

30+ days ago

Baltimore, MD

$87,600–$131,400 / year

What 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.

4 days ago

Washington, Washington, DC

$160,000–$200,000 / year
Full time

Knowledge of operating systems, including Windows, Linux, Mac, and mobile operating systems including iOS and Android, application behaviors, and network traffic analysis to identify malware exploits. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.

30+ days ago

Baltimore, MD

$135,800–$203,600 / year

The 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.

18 days ago

$108,800–$163,200 / year

Northrop Grumman Space Systems is a strategic partner specializing in delivering intelligence, surveillance, and reconnaissance solutions for classified and unclassified missions in space. 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.

30+ days ago

Arlington, VA

Deep knowledge of data center electrical infrastructure and project delivery (e.g., MV/LV distribution, substations, UPS and backup generation interfaces, protection schemes, commissioning) and how a utility‑scale BESS integrates at the site or grid level. Expertise to engage deeply with engineering and operations teams on topics such as medium-voltage electrical distribution, load profiles, interconnection, power quality, controls/integration, and project execution constraints.

4 days ago

Arlington, Virginia

4 days ago

Germantown, MD

Requires: Bachelor's degree (or foreign equivalent) in Computer Science, Electrical and Electronics Engineering, or a closely related field plus 10 years OSS/BSS experience in job offered or similar roles. Whether through research and development, technology innovation or solution engineering, our team members play a vital role in connecting consumers with the products and platforms of tomorrow.

9 days ago

Germantown, Maryland

Full time

Skills, Experience and Requirements: Requires: Bachelor's degree (or foreign equivalent) in Computer Science, Computer Engineering, Electronic Engineering, Artificial Intelligence , Electrical Engineering, or a closely related field plus 10 years of experience in job offered or similar roles. Whether through research and development, technology innovation or solution engineering, our team members play a vital role in connecting consumers with the products and platforms of tomorrow.

30+ days ago

Bethesda, Maryland

Black Canyon Consulting (BCC) is searching for a Program Principal Manager (C++ Software Developer) to support our work at the National Institutes of Health (NIH). Work with a diverse group of scientists, bioinformaticians and other developers across the center to implement efficient bioinformatics algorithms.

25 days ago

$123,400–$185,000 / year

This role is part of the GSC team and will be challenged to resolve issues and implement solutions, in a fast-paced environment - including process improvements, tools, metrics, data integration, and coordination and collaboration with key cross-functional stakeholders across the MGMN. Basic Qualifications: Bachelor's degree in STEM with a minimum of 8 years of relevant experience in Quality or Supply Chain; Masters degree in STEM with a minimum of 6 years of relevant experience in Quality or Supply Chain.

26 days ago

Arlington, VA

Specific duties include: Managing the bridge safety inspection program, ensuring that the biennial bridge inspections are completed in accordance with Federal and State requirements; Developing and prioritizing the 4-year bridge repair maintenance plan including preparing annual bridge repair and maintenance budgets for the County's bridge inventory; Creating the bridge component of the Capital Improvement Plan including planning level cost estimates and scoping for future bridge capital projects and rehabilitations; Procuring design and construction contractors to perform Annual Maintenance and Repair Work, and complete Capital Improvement Projects; Directing consultant development of plans, specifications, estimates, and bid documents for construction contractors to execute the work contained in the Annual Maintenance and Repairs Work Plan and bridge capital improvement plan including reviewing consultant work products to ensure that they effectively meet the County's goals and are accurate and complete; Preparing and reviewing detailed design and construction engineering plans including cost estimates, technical reports, and associated documentation for transportation related projects; Collaborating project implementation with internal teams, external agencies, and stakeholders to ensure projects are completed on time and within budget, while complying with regulatory requirements; Developing materials for and participating in pre-bid meetings, public engagement presentations, construction meetings, and other project-related events; and. The Department of Environmental Services (DES) is seeking a skilled Principal Engineer (Bridges) to join our Engineering Bureau - a 60 member team delivering full-scale surveying, design, and construction management services for a wide range of public works capital improvement projects.

30+ days ago

Elkridge, MD

$108,800–$163,200 / year

This position can be filled at either a level 3 or level 4. Basic Qualifications Level 3: Bachelors degree in a STEM major and 5+ years relevant manufacturing circuit card assembly environment, or Masters degree and 3+ years relevant manufacturing circuit card assembly environment experience. 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.

10 days ago

Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing. About you: Youre a good fit for the role of Principal Engineer if your background includes: • 10+ years of hands-on software engineering experience with a proven record of developing scalable and resilient web-based products and solutions.

30+ days ago

Alexandria, VA

Remote

$77–$82 / hour

Proven experience leading complex technical projects, driving organizational transformation initiatives (such as Agile adoption), and applying Agile SAFe framework or managing multiple complex projects simultaneously, with a focus on strategic planning and driving organizational goals. • The TPM lead will have a pragmatic approach and iterative approach to building software including ability to simplify and get things done with a demonstrated track record of building and delivering software and working effectively with external and internal teams.

30+ days ago

Alexandria, VA

Must have skills : Fixed-price/budget contract experience, strong ServiceNow project management experience (12-15 (max) years of IT Project Management experience and at least 2-3 end-to-end ITSM implementations(more preferred)) In lieu of ITSM, we will accept candidates who have vast ITIL experience. Project Management & DeliveryLead end-to-end implementation of ITSM processes including Incident, Problem, Change, Release, Service Asset & Configuration Management, CMDB, and Service Level Management.

30+ days ago

Alexandria, VA

$94–$100 / hour

Practical experience designing Generative AI solutions using LLMs, RAG, embeddings, chunking, and search technologies. • Build cloud native systems using Azure, AWS, Kubernetes/AKS/EKS, containers, and microservices patterns.

26 days ago

Alexandria, VA

$72–$75 / hour

Stakeholder Engagement Serve as the primary technical liaison between clients and delivery teams for all data-related initiatives. Data Engineering and Integration Expertise, Data Governance and Security Knowledge, Databricks, Technical delivery .

30+ days ago

Washington

Problem Solving: Apply strong analytical and structured problem-solving skills including technical problem definition, functional decomposition, and hypothesis-driven investigation to resolve complex engineering and operational challenges, with the ability to make confident technical decisions when problems or solutions are not well-defined (ambiguity). AI Automation System Development: Design, build, and deploy the core AI-enabled software development automation tools and services (e.g., custom agents, GenAI integrations) with a keen focus on legacy software analysis, requirement extraction, and architectural discovery leveraging multi-modal GenAI capabilities.

25 days ago

Reston, VA

$154,050–$278,475 / year

MEP Systems Expertise: Strong multidisciplinary understanding of Mechanical, Electrical, and Plumbing (MEP) system design, integration, and operational functionality within complex industrial or military facilities, including specialized containment systems, filtration systems, and backup power infrastructure. The successful candidate will leverage extensive engineering expertise to analyze facility designs, spatial layouts, operational workflows, and supporting infrastructure to determine functional capabilities and mission relevance.

16 days ago

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Principal Engineer Jobs in Maryland City, MD

Principal Cybersecurity Engineer- Architecture OneMain Financial

Principal Software Engineer / Tech Lead Leidos

Principal Software Engineer Above and Beyond Talent Acquisition

Principal Software Engineer (SWE-4) Leidos

Principal Software Engineer Leidos

Senior Software Engineer Jobot

Principal Solution Architect - Healthcare System One

Principal Software Architect Leidos

Principal Network Engineer Infovision

Principal AI/ML Engineer - 27560 Company Confidential

Principal Identity, Credential, and Access Management (ICAM) Architect Company Confidential

Principal Engineer - Electrical Bechtel Corp

Principal Engineer - Control Systems Bechtel Corp

Principal Electrical Engineer Russell Solutions Group

Senior Engineer Engineer III / Principal Engineer Engineer IV - Propulsion Quantum Space

Principal Electrical Engineer, NA Vantage Data Centers Management Co LLC

Senior Principal Engineer Edison Electric Institute

Principal Electrical Engineer, NA Vantage Data Centers

Principal Engineer, State Estimation (R4602) Shield AI Inc

Principal Engineer - Product Integrity Blue Origin

Space RADAR Tasking Model - Principal/Sr Principal Engineer Systems Northrop Grumman Corp

Space RADAR Data Processing - Principal/Sr Principal Engineer Systems Northrop Grumman Corp

Principal Digital Electrical Engineer Thales Defense & Security Inc

Principal Engineer, Survivability (R4608) Shield AI Inc

Principal Engineer II - Software EchoStar Corp

Principal Engineer I - Software EchoStar Corp

Engineer/Principal Engineer RF Microwave Design (SkillBridge) Northrop Grumman Corp

Principal Engineer RF Microwave Design Northrop Grumman Corp

Principal Engineer, SCADA Engineering (BESS) Invenergy LLC

Principal Systems Engineer Swift

Senior Principal Electrical-Optics Engineer General Dynamics Mission Systems, Inc

Engineer/Principal Engineer RF Microwave Design Northrop Grumman Corp

Principal Engineer w/Top Secret Clearance TekSynap

Sr Principal Engineer Manufacturing Systems Northrop Grumman Corp

Space Mission Ground Simulator - Principal / Sr Principal Systems Engineer Northrop Grumman Corp

Data Center BESS Principal Engineer Fluence Energy Inc

Data Center BESS Principal Engineer Fluence Energy

Principal Quality Engineer II EchoStar Corp

Principal Engineer II – Customer Networks EchoStar

Program Principal Engineer BCC-NIH

Sr Principal Engineer Supplier Quality Northrop Grumman Corp

Principal Engineer (Bridges) Arlington County Government

Sr Principal Engineer Microelectronic Semiconductors Northrop Grumman Corp

Principal Engineer Thomson Reuters Corp

Associate Principal Engineer - Technical Program Manager PeopleNTech LLC

Principal Engineer ITSM Implementation Project Manager PeopleNTech LLC

Principal Engineer -Technology Architect - Generative AI PeopleNTech LLC

Associate Principal Engineer- BIG-DATA-ENGINEER PeopleNTech LLC

Principal Engineer, AI Factory Banyan Software

Principal Mechanical Engineer SME Leidos Holdings Inc

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