NewPrincipal Systems Engineer LeidosPrincipal Systems EngineerFort Meade, MarylandLeidos is seeking a Principal Systems Engineer to lead the analysis of user requirements, CONOPS, and system architectures to design and deliver scalable solutions across Linux server environments, containerized platforms, and NexGen architectures. Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline Five (5) years of additional Systems Engineering experience may be substituted for a bachelor's degree.
Principal Desktop Engineer T. Rowe PricePrincipal Desktop EngineerOwings Mills, MarylandBlending 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.
Principal System Engineer - Payload AST SpaceMobilePrincipal System Engineer - PayloadMarylandWe are seeking an experienced and highly innovative Principal Systems Engineer – Payload to lead the design and development of advanced end-to-end wireless systems within a complex telecommunications environment. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.
Principal CFD Modeling Engineer Jensen HughesPrincipal CFD Modeling EngineerBaltimore, Maryland$90,000–$197,000 / yearToday, our expertise extends broadly across closely related security and risk-based fields – from accessibility consulting and risk analysis to process safety, forensic investigations, security risk consulting, emergency management, digital innovation and more. This role is designed for an expert practitioner with deep mastery of the Fire Dynamics Simulator (FDS) who is motivated by solving complex, real-world fire and fluid-flow problems through rigorous, physics-based modeling and experimental validation.
Principal Site Reliability Engineer, Infrastructure Observability T. Rowe PricePrincipal Site Reliability Engineer, Infrastructure ObservabilityOwings Mills, MarylandIn this role as Principal Site Reliability Engineer, Infrastructure Observability you will help formulate, develop, and implement a team of Site Reliability Engineers (SREs) focused on the observability, sustainability, scalability, measurability and recoverability of T. The successful candidate will have a strong operations & engineering background, is hands-on when needed, and has expertise in the cloud environments (public, private), infrastructure operations, DevOps practices, CI/CD toolchain and systems, code build and deployment, incident response, and 24x7 monitoring and support.
Principal of Cloud Infrastructure & Engineering T. Rowe PricePrincipal of Cloud Infrastructure & EngineeringOwings Mills, MarylandAs the Principal of Cloud Infrastructure and Engineering, within the Global Technology Engineering & Operations organization, you will lead the team responsible for designing, developing, and deploying cloud-based infrastructure and automation to meet the organization's evolving needs. Key responsibilities include addressing complex technical issues, overseeing installations, and assessing emerging technologies like multi-cloud strategies, development, and maintenance of Infrastructure as Code (IaC), and automation for Cloud systems.
Principal Software Engineer Red Arch SolutionsPrincipal Software EngineerAnnapolis Junction, MDFull timeDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. The Software Engineer, shall have at least the following experience: • Twenty (20) years of experience as a Software Engineer (SWE) supporting programs and contracts of similar scope, type, and complexity.
Principal Integration Engineer MaximusPrincipal Integration EngineerBaltimore, MDFull timeDrive adoption of modern integration patterns, including API-first design, event-driven architectures, microservices-aligned integrations, and reusable integration components. • Proven experience designing scalable enterprise integration architectures across cloud services, SaaS platforms, enterprise applications and APIs.
NewPrincipal Backend Software Engineer - HYBRID Red Arch SolutionsPrincipal Backend Software Engineer - HYBRIDAnnapolis Junction, MD$220,000–$224,000 / yearDetermination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data. ACTIVE TS/SCI Clearance with Poly REQUIREDPosition Overview: Red Arch Solutions is hiring a Principal Backend Software Engineer to join a priority program in Annapolis Junction, Maryland.
NewPrincipal FSW Engineer AST SpaceMobilePrincipal FSW EngineerMarylandThis role is central to the design and development of our satellite fleet's Linux-based networking capabilities, with a specific focus on networking subsystems; general embedded computing knowledge is also crucial, since there are RTOS platforms in our stack that are not Linux. Own the networking subsystem architecture for satellite flight software, including protocol stack implementation, network driver development, and link-layer communication.
NewPrincipal Mechanical Engineer Antenna Research Associates IncPrincipal Mechanical EngineerLaurel, MDARA is a leading C5ISR company that designs, manufactures, tests and installs innovative technologies that provide the national security community with unparalleled situational awareness, threat detection, and communications capabilities.\r\nOur disruptive, integrated solutions, assemblies and subsystems rise to the challenging demands of discerning, mission-critical customers.\r\nWe leverage our capabilities to meet and exceed the requirements of our customers and empower them to remain ahead of evolving threats and complexities in a dynamic security landscape. \nCompany Description ARA is a leading C5ISR company that designs, manufactures, tests and installs innovative technologies that provide the national security community with unparalleled situational awareness, threat detection, and communications capabilities.
Principal Engineer, Software Verint Systems, Inc.Principal Engineer, SoftwareAnnapolis, MDYou will operate at the intersection of hands-on engineering excellence and strategic technical leadership — contributing directly to complex features while shaping how the entire engineering organization builds, scales, and operates its software. + Cloud and Infrastructure: Deep hands-on experience with AWS or Azure including serverless compute, managed messaging (SQS/SNS/Service Bus), managed databases, and cost optimization.
Principal Data Engineer Leidos Holdings Inc.Principal Data EngineerBethesda, MD$131,300–$237,350 / yearPrimary Responsibilities: Platform Development & Administration: Design, develop, and maintain probabilistic matching configurations, algorithms, and scoring models to ensure accurate entity resolution across multi-domain data sources. 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.
Principal Integration Engineer SPM Leidos Holdings Inc.Principal Integration Engineer SPMBethesda, MD$131,300–$237,350 / yearThe SPM tracks the team's work to the completion of all deliverables accepted into a PI; coordinates with team members and customer sets to ensure stories have all the information needed to complete the work and that all necessary stories are created; and coordinate / socialize production changes and brief appropriate boards for deployment approval. Provide systems engineering and integration support to the government for the integration of newly developed Capabilities targeted for Integration test and operational environments and develop and deliver the processes to perform integration, staging, and release management for these Capabilities.
Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesSoftware Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIREDAnnapolis Junction, Maryland$150,000–$200,000 / yearThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Python, JAVA, C++, JavaScript, Spark analytics, Jupyter Notebooks, GHOSTMACHINE, MapReduce Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.
Principal Solutions Executive CDWPrincipal Solutions ExecutiveMarylandThe Practice Solutions Executive – Enterprise Networking is a presale, consultative role responsible for originating, qualifying, and shaping enterprise networking opportunities across CDW’s Hybrid Infrastructure portfolio. This role partners closely with Sales to drive demand generation, advance qualified opportunities through discovery, and position CDW’s enterprise networking capabilities around customer business outcomes.
Network Evaluator (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED Constellation TechnologiesNetwork Evaluator (Principal) - FULLY CLEARED with POLYGRAPH REQUIREDLinthicum Heights, MarylandThe benefits package: • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA • Comprehensive Dental insurance • Vision with 80% employer paid premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. Cisco, Juniper, & Arista devices and protocols, SIEM technologies, cybersecurity analysis, Splunk and Elastic, Hunt/Blue Team experience, Network Defense Integrity (NDI) Methodology, digital forensics, intrusion detection systems, vulnerability scanning technologies, MITRE ATT&CK, NIST cybersecurity frameworks, and scripting languages.
Principal Signals Software Engineer Envision Innovative SolutionsPrincipal Signals Software EngineerColumbia, MD$190,000–$215,000 / yearAt least 12 years' experience as a Signals Software Engineer or equivalent on a project with a focus on Radio Frequency (RF) to include experience with Fourier transforms, filtering, communications theory, digital modulation, error control coding, signals analysis tools (e.g. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location, education and certifications as well as Federal Government Contract Labor categories.
Principal Software Engineer Jcd StaffingPrincipal Software EngineerBethesda, Maryland$160,000–$165,000 / yearCompensation: $160,000.00 - $165,000.00 per year JCD Staffing is a specialized staffing and consulting firm, focused on working with highly talented technical individuals to provide our clients with a unique, successful hiring experience. The senior software engineer engages directly with IT management, development teams, technical delivery teams, and vendors to ensure the successful design, development, and delivery of technology-based solutions.
Principal Software Engineer- TS/SCI w/Poly GD Information TechnologyPrincipal Software Engineer- TS/SCI w/PolyAnnapolis JunctionThe Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software tradeoffs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.