271 Results for

Principal Systems Engineer Jobs in Washington, DC

Jobs

Reston, VA30+ days ago

Full-time

This role sits at the intersection of advanced modeling, system architecture, and real-world network performance , with MATLAB as a core tool in shaping next-generation solutions. At TeleWorld Solutions , we design, optimize, and deliver high-performance wireless networks for leading operators and technology partners.

New!

Baltimore, MD6 days ago

$130,000–$156,000 Per 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.

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Chantilly, VA2 days ago

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

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Gaithersburg, MD5 days ago

$131,300–$237,350

As part of a large-scale Scaled Agile (SAFe) software development organization, you will serve as a technical leader and strategic architect, shaping enterprise data solutions that bridge mission needs, systems engineering rigor, and modern Agile delivery. This role is ideal for a highly experienced architect who can operate at both strategic and hands-on levels, influence across teams and programs, and drive the evolution of scalable, secure, and resilient data ecosystems.

Baltimore, MD30+ days ago

Temporary
Contractor
Full-time

Basic Qualifications for the Principal RF Test and Power Engineer: • Bachelor’s degree in electrical engineering or related STEM field plus 5 or more years of relevant experience; or a master’s degree in electrical engineering or related STEM field plus 3 or more years of relevant experience. Activities will range from hands-on testing and troubleshooting; to analysis of failure trends, root cause/ corrective actions; and attending program meetings to report yields, problems, and corrective actions.

Annapolis Junction, MD28 days ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. A PhD in a Qualified Engineering Field or a related discipline from an accredited college or university plus eighteen (18) years of systems engineering experiencePossess Storage experience.

Fairfax, VA30+ days ago

This individual will provide systems engineering leadership across R&D and product development programs, play a key role in shaping technology and product roadmaps, and contribute to high-impact strategic business opportunities. We are seeking a talented, self-driven, and technically exceptional Principal Systems Engineer to lead multidisciplinary engineering teams in the development of complex electronic systems for space applications.

Manassas, VA16 days ago

Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. This is a hands-on leadership role - you'll mentor junior engineers, own the architecture of our simulation labs, and build the data management and automated test processes that engineering depends on to move the EL9 toward certification.

New!

Columbia, MDToday

Full-time

We are seeking an innovative and analytical Systems Engineer to join our research and development team focused on the future of cloud-native architectures, specifically Content Delivery Networks (CDNs). We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

Dulles, VA30+ days ago

$92,600–$160,900 Per Year

Support, as required, human spaceflight safety related interface activities with Gateway partners, pre-Stage Operations Readiness Review meetings, preparation and processing of safety NCRs, technical issues discussions, etc. 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.

Manassas, VA16 days ago

Embedded in our Integrated Product Development Team (IPDT), your focus will be on electrical and avionics systems installation, applying DFM and DFA principles to enable efficient, scalable final assembly operations - and ensuring production test processes are built in from day one. Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation.

Linthicum Heights, MD30+ days ago

$105,400–$158,000 Per Year

Northrop Grumman Space Systems in Linthicum, MD is seeking a Principal or Sr Principal Systems Engineer to join our Mission Systems Engineering Integration and Test (MSEIT) team . 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.

Manassas, VA30+ days ago

About Electra:At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly. Able to operate from soccer field-sized spaces, our Ultra Short unlocks a new era of aviation through what we call Direct Aviation - the next level of connectivity bringing air travel closer to where we live, work, and play.

Fort Meade, MD21 days ago

We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. A Bachelor's degree in computer science, Electrical Engineering, Systems Engineering, or a related discipline and at least 15 years of systems engineering experience.

Fort Meade, MD30+ days ago

This role involves planning, monitoring, and generating systems engineering artifacts to assist the government with facilitating technology transition into and out of the capabilities architecture, and works with the government to facilitate, lead and document decision meetings to engage stakeholders in accomplishing the work. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry.

McLean, VA30+ days ago

The ideal candidate will work closely with the U.S. Army, foreign military clients, and internal engineering teams to ensure the successful integration of ISR systems into military operations, meeting mission-critical requirements and operational demands. If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems.

New!

Annapolis Junction, MD5 days ago

Must possess in-depth knowledge of cloud networking concepts such as VPCs, subnets, transit gateways, transit gateway attachments, transit gateway route tables, Direct Connect, and peering. Provide administration, troubleshooting, and general support for Windows Server 2022 environments, Windows 10/11 client systems, and various Linux distributions (e.g., Rocky, CentOS, RHEL) within both cloud and on-premises.

McLean, VA30+ days ago

If you have the courage to take on a wide variety of complex challenges, then you will experience a unique working environment where innovative teams blend different perspectives, disciplines, and technologies to discover new ways of solving complex problems. Technical Resource and Knowledge Bridge: + Serve as the internal technical authority on ISR systems, providing guidance to program management and engineering teams lacking specialized intelligence collection and surveillance knowledge.

Annapolis Junction, MD22 days ago

$7,000–$20,000 Per Year

With a proven track record in information security, project management, systems/network engineering, security risk management, vulnerability assessments, and mobile security implementation; our employees have the experience, expertise, and innovative thinking our customers need for results that exceed expectations. Founded in 2007, Columbia Technology Partners is Woman-Owned, Service-Disabled Veteran Owned Small Business with a specialization in technology and management consulting committed to solving intricate and sensitive technology issues facing corporations and federal agencies.

Annapolis Junction, MD12 days ago

Establish a process to formally and proactively control and manage changes to requirements, consider impacts prior to commitment to change, gain stakeholder buy-in, eliminate ambiguity, ensure traceability to source requirements, and track and settle open actions. Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.

Annapolis Junction, MD14 days ago

Linthicum Heights, MD30+ days ago

$131,100–$196,700 Per 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 candidate's 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 nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon.

Fort Meade, MD30+ days ago

Work closely with government Systems Engineers to support the reengineering of the existing SIGINT ground architecture to facilitate the elimination of collection/processing stovepipes and replace the deprecated systems with collections/processing systems that support automation, dynamic tasking, multi-access cross-cueing and orchestration. As a Terrestrial SIGINT Systems Engineer, you will support a customer terrestrial sensors team in tracking, monitoring and facilitating planning for the deployment, upgrade, and replacement of Terrestrial SIGINT collection and processing systems.

Reston, Virginia30+ days ago

What You’ll Do: Contribute to the Technical Roadmap and support the design, implement, and operate the Ground Resource Manager (GRM) and Flight Management System (FMS) software components required to meet the SDA PWSA (Proliferated Warfighter Space Architecture) mission objectives. As a Product Owner on the Ground System Development team, you’ll be responsible for managing multiple activities and projects, including those with cross-functional teams, to deliver customer-driven Ground System Management Systems.

Chantilly, VA18 days ago

As Principal Systems Integration Engineer, you will be supporting the Systems Engineering and Integration of the Tranche 3 constellation, which includes hundreds of satellites accomplishing multiple mission areas including missile warning, tracking and defense and tactical communications to warfighters. OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Principal Systems Integration Engineer position to support our customer in Chantilly, VA , but could also support remotely using supplied equipment in El Segundo, CA, San Francisco, CA or Palm Bay, Florida.

Manassas, VA30+ days ago

$160,000–$200,000 Per Year

At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly. Able to operate from soccer field-sized spaces, our Ultra Short unlocks a new era of aviation through what we call Direct Aviation - the next level of connectivity bringing air travel closer to where we live, work, and play.

Reston, Virginia30+ days ago

$176,000–$282,000 Per Year

Responsibilities: Peraton is seeking a Systems Engineer, Principal to join our national intelligence program in Northern Virginia as the primary technical authority responsible for the strategic design, implementation, and 24/7 operational excellence of the IT Enterprise Infrastructure client’s technology stack. • Oversee cloud migrations, data center modernization, global networking, and cybersecurity integration with the mission is to transform "legacy" into "leading-edge" while maintaining the 99.99% uptime our global operations demand.

Suitland, Maryland30+ days ago

Your daily duties will include but not limited to the following: Support the performance of system integration, performance analysis, requirements engineering and management, testing and evaluation, and other systems engineering disciplines for successful systems solution development, design, implementation, and decommissioning. And disconnected and legacy systems to identify duplicative capabilities, gaps, critical activities, candidates for scaling to enterprise level, streamlining opportunities, efficiencies and overall area for improvement.

Manassas, VA30+ days ago

At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly. The Principal Systems Test Engineer will serve as a technical authority for test setup, execution, and data analysis, while driving Electra's test capability development and guiding teams across all test lab environments.

Manassas, VA30+ days ago

Electra.aero is seeking a Principal Flight Controls Engineer to serve as a senior technical authority and flight controls certification subject‑matter expert for the EL9 Ultra Short Takeoff and Landing aircraft. At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility by making air travel more efficient, quieter, and environmentally friendly.

Annapolis Junction, Maryland30+ days ago

$183,381–$193,409 Per Year

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. As a Senior-Level Systems Engineer for CISR, you’ll be a lead member of cross-functional hardware and system design teams responsible for the realization of complex computing and communications systems.

Herndon, VA30+ days ago

A Bachelor's degree and 9 years of relevant experience OR a Master's degree with 7 years of relevant experience OR a PhD with 4 years of relevant experience; An additional 4 years of experience may be considered in lieu of the degree requirement . o Help write and maintain scripts for process improvements (ex: stage/unstage builds, branch tag automation, automating variance corrections across networks).

Arlington, VA30+ days ago

$206,000–$284,000 Per Year

The ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals.

Fairfax, VA30+ days ago

The Senior Systems Engineer will collaborate closely with program managers and project engineers to ensure successful execution, guiding teams through a holistic, structured systems engineering approach. We are seeking a talented, self-motivated Senior Systems Engineer with a proven track record of leading technical teams to develop and deliver complex products on time and within budget.

Arlington, VA30+ days ago

SE and T&E planning and strategies, SE Plans, T&E Master Plans, Test Plans, Test Procedures, Test Reports, Trouble Reports, Requirements Traceability Verification Matrixes, Summary and Quicklook Reports, test resource allocations and tracking, technical drawings, design instructions, and other acquisition documents); Facilitate, participate, and Lead SE and T&E meetings (e.g. Job Description: Lead cross functional and cross organizational Systems Engineering Working Group(s), and Integrated Product Team (IPTs) during system development, integration, test, production, and fielding supporting the Program Executive Office, Principal Assistant Program Manager, and Assistant Program Manager.

Arlington, VA30+ days ago

SE and T&E planning and strategies, SE Plans, T&E Master Plans, Test Plans, Test Procedures, Test Reports, Trouble Reports, Requirements Traceability Verification Matrixes, Summary and Quicklook Reports, test resource allocations and tracking, technical drawings, design instructions, and other acquisition documents); Facilitate and participate in SE and T&E meetings (e.g. Support a variety of tasks including: support and completion of major technical reviews; producing required acquisition documentation; meeting critical program milestone deadlines; managing program needs and external requirements, and; ensuring the right resources are provided to the right priorities at the right time.

New!

Springfield, VA4 days ago

This position supports the design, integration, and evolution of complex systems‑of‑systems across the National System of Geospatial‑Intelligence (NSG), Allied System of Geospatial‑Intelligence (ASG), and Federal mission partners. In this senior engineering role, you will lead cross‑disciplinary teams through the full systems engineering lifecycle while advising government stakeholders at the strategic level.

Annapolis Junction, MD22 days ago

$7,000–$20,000 Per Year

New!

Reston, VA4 days ago

$200,000–$275,000 Per Year

We are partnering with our client, Galaxia Technologies, to hire a Principal Data Engineer – Mission Data Pipelines (Reston, VA) to play a key role in advancing the Department of the Air Force’s Integrated Fires Command and Control (DIFC2) Program. Galaxia Technologies is seeking a Principal Data Engineer – Mission Data Pipelines to design, implement, and sustain robust mission data pipelines supporting the Department of the Air Force’s DIFC2 program and the Horizon initiative.

Washington, Washington, DC7 days ago

At BigBear.ai, you’ll join a team of technologists and mission-focused problem solvers building tools that turn massive volumes of structured and unstructured data into actionable intelligence. Overview: BigBear.ai is hiring a Principal Systems Administrator to support GALE (Generic Area Limitation Environment)—a mission-critical capability used by the Department of Defense (DoD) and the Intelligence Community (IC).

Manassas, VA16 days ago

Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation. As our Principal Manufacturing Engineer – Primary Structures, you'll take on one of the most consequential roles in the EL9 build: owning manufacturability and integration for major load-bearing structures - fuselage, wing, empennage, and primary structural assemblies.

Manassas, VA30+ days ago

This role will be responsible for the aircraftelectrical systems - including power distribution, energy storage, conversion, and system safety protections - ensuring reliable, certifiable, and high-performance operation across the full aircraft lifecycle. At Electra, we're pioneering sustainable aviation by developing hybrid-electric Ultra Short Takeoff and Landing aircraft designed to transform regional air mobility, by making air travel more efficient, quieter, and environmentally friendly.

Jessup, MD28 days ago

Full-time

Travel as needed to global engineering centers in Europe and Asia, and occasionally as needed to regional manufacturing facilities, test laboratories, technical conferences, and professional association meetings, etc. The Senior Engineer, Structural Systems, is responsible for executing structural engineering analysis, design, and validation activities in support of product development programs and existing product platforms.

Jessup, MD30+ days ago

Full-time

Develop and implement simulation architectures for HVAC/R units at both unit and system levels, covering the full range of BAC’s product portfolio as well as key competitive offerings, specifically including dry, adiabatic, and evaporative cooling units. The ideal candidate will be self-driven, manage complex and ambiguous problems, customer focused, and thrive in a collaborative group environment.

New!

Laurel, MDToday

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.

Chantilly, Virginia30+ days ago

Bachelor's degree with 8 years of relevant experience, a Master’s degree with 6 years of relevant experience, a PhD with 4 years of relevant experience, or 12 years of relevant experience in lieu of a degree. Bachelor's degree with 5 years of relevant experience, a Master’s degree with 3 years of relevant experience, a PhD with 1 year of relevant experience, or 9 years of relevant experience in lieu of a degree.

New!

Annapolis Junction, MD1 day ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Knowledgeable with data enrichment/conversion methods, familiar with data ontologies/schemas, strong knowledge of structured data types (XML, CSV, JSON), and has database experience.

New!

Columbia, MDToday

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Terraform Expertise: Proven, hands-on experience writing, deploying, and managing production-grade infrastructure using Terraform, including deep knowledge of state management and modularity.

Annapolis Junction, MD27 days ago

Full-time

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. Bachelor’s degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline from an accredited college or university is required.

Annapolis Junction, MD30+ days ago

Full-time

Or, a Master’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university, plus 5 years of experience as an HSE in programs and contracts of similar scope, type, and complexity. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

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Principal Systems Engineer Jobs in Washington, DC

Jobs

Principal Engineer - System Design & SimulationTeleWorld Solutions

Principal Cybersecurity Engineer- ArchitectureOneMain Financial

Scientist, Software EngineerL3Harris Technologies

Principal Data ArchitectLeidos

ENGINEER DIGITAL 3Aroha Technologies

Principal Systems EngineerGliaCell Technologies

Principal Systems EngineerIntrepidus Talent Solutions

Principal Systems Test EngineerElectra

Principal Cloud Systems EngineerGliaCell Technologies

Principal Systems Engineer - Space SystemsNorthrop Grumman

Principal Manufacturing Engineer – Systems InstallationElectra

Principal - Sr. Principal Space Mission Systems EngineerNorthrop Grumman

Principal Battery Systems Integration Engineer (Aerospace)Electra

Principal Systems Engineer (Analytic Tools)Themis Insight

Principal Systems Engineer (Emerging Technology/AI)Themis Insight

Principal Systems Engineer - Aerostat SMEQinetiQ US

Principal Systems Engineer - Cloud and InfrastructureShield Consulting Solutions

Principal Systems Engineer - ISR SMEQinetiQ US

Principal Systems EngineerColumbia Technology Partners

Principal Systems EngineerThemis Insight

Principal Systems Engineer - Cloud & Infrastructure (Annapolis Junction, MD)Shield Consulting Solutions

Space Radar Data Processing Modeler - Senior Principal Engineer SystemsNorthrop Grumman

Principal Systems Engineer (Terrestrial SIGINT)Themis Insight

Principal Ground Systems Development Engineer, Product OwnerIridium Satellite, LLC

Principal Systems Integration EngineerOASYS, INC.

Principal Mechanical Systems Engineer (Aerospace)Electra

Systems Engineer, PrincipalPeraton

Principal Systems EngineerSilverEdge

Principal Systems Test Engineer (Aerospace)Electra

Principal Flight Controls System EngineerElectra

Senior Principal Systems EngineerGeneral Dynamics Mission Systems, Inc

Senior Principal Cyber Systems Engineer (DevOps Engineer) TS/SCI with CI PolySHLD, Inc.

Principal Model-Based Systems EngineerSTR

Senior Systems EngineerIntrepidus Talent Solutions

Senior Systems EngineerTechnomics

Systems Engineer (Mid-Level)Technomics

Systems Engineer - Expert LevelMission Intel

Systems Engineer 3Columbia Technology Partners

Principal Data Engineer – Mission Data PipelinesBOOST LLC

Principal Systems AdministratorBigbear.ai

Principal Manufacturing Engineer - Primary StructuresElectra

Principal Electrical Engineer (Aviation)Electra

Sr Engineer, Structural SystemsBaltimore Aircoil Company, Inc.

Thermal Systems Modeling EngineerBaltimore Aircoil Company, Inc.

Principal Software Engineer (AI - Assisted Developer Tooling)GliaCell Technologies

Principal Cyber Software Test EngineerVTG

Principal Software EngineerGliaCell Technologies

Principal DevOps EngineerGliaCell Technologies

Principal Test EngineerGliaCell Technologies

Principal HPC Software EngineerGliaCell Technologies

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