GD169 Senior Software Systems Engineer & Architect SupportGD169 Senior Software Systems Engineer & ArchitectGreenbelt, MarylandThe applicant is expected to solve complex algorithm or data conversion problems with little or no oversight and can respond effectively to science data user questions on technical and scientific issues, provide technical and scientific support in enhancing and extending data and information services and make effective presentations to large audiences at workshops and conferences. GD169 Senior Software Systems Engineer & Architect At NASA Goddard Earth Sciences (GES) Data and Information Services Center (DISC) we are committed to enabling scientific research by distributing over 1400 Earth Science data collections and providing useful tools to assist data analysis.
OT Systems Engineer On.EnergyOT Systems EngineerTysons Corner, VARemoteThe company supplies and operates hyperscale power systems that solve the toughest resilience challenges, delivering custom solutions for AI data centers, mission-critical facilities, and front-of-the-meter assets. The OT Systems Engineer is responsible for deploying, configuring, and supporting operational technology (OT) networks for utility-scale Battery Energy Storage System (BESS) projects.
Mission Integration Engineer SolvarusMission Integration EngineerChantilly, VAThe Engineer will have experience integrating space systems with ground mission systems, and experience with OPIR, mesh network capabilities, low-latency high-bandwidth optical link capabilities, network management, tactical data links (Link-16 and IBS) mission planning, and the DoD elements already conducting critical Warfighter missions. Requirements management experience & experience writing system level requirements, allocating requirements to segments, performing trace assessment of implementation-level requirements to system requirements, secure networks crypto requirements, and hands-on experience planning/executing test, demo’s, verification & validation activities.
NewProject Integrator - TS/SCI w/Polygraph GD Information TechnologyProject Integrator - TS/SCI w/PolygraphMcLean, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. The candidate will work closely with other project integrators and various software engineering, infrastructure, and technical operations teams to assess requirements, coordinate resources, and deliver projects for the customer.
NewSenior Cybersecurity SME/SCA M9 SolutionsSenior Cybersecurity SME/SCAChantilly, VirginiaCommunity Representation: Serve as a key liaison between the Defense Industrial Base (DIB), government cybersecurity entities, security assessment organizations, and Special Access Program (SAP) IT working groups to maintain alignment with the broader defense innovation ecosystem. Strategic Advisement & Lifecycle Integration: Engineering Technical Reviews: Actively participate in System Requirements Reviews (SRR), Preliminary Design Reviews (PDR), and Critical Design Reviews (CDR) to ensure security is baked in, rather than bolted on.
Salesforce Integration Engineer (Public Trust) ICF International, IncSalesforce Integration Engineer (Public Trust)Reston, VA$81,499–$138,549 / yearThis role will be responsible for designing, configuring, maintaining, troubleshooting, and documenting secure integrations across a complex Salesforce ecosystem, including Salesforce org-to-org, Salesforce org-to-Git repository, Salesforce app-to-app, third-party, service account, API, and middleware-enabled integrations. Collaborate with Salesforce Technical Architects, Salesforce Administrators, Developers, Release Engineers, Security Engineers, Business Analysts, application teams, and customer technical leads to define integration patterns, data flows, technical specifications, and implementation plans.
IT Systems Architect E LogicIT Systems ArchitectWashington D.C., DCRemoteThe selected candidate will provide architecture, systems engineering, software integration, and technical leadership support for AIMS modernization, operations, and maintenance activities in a highly specialized UNISYS mainframe environment. This program supports the IRS Taxpayer Digital Communications (TDC) strategic goals by modernizing and enhancing mission-critical systems that improve digital communication and operational efficiency.
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.
Lead Systems Engineer Systems Planning and AnalysisLead Systems EngineerWashington, D.C., Washington, DCFull timeThe successful candidate will support NAVSEA and be responsible for developing, fielding, and sustaining operationally superior weapons systems / combat systems and performing the full spectrum of systems engineering, modeling and simulation, test and evaluation, life cycle support, combat system integration, and production engineering to provide quality systems engineering and integration for the Department of Defense. Comprising more than 130 personnel, the Integrated Warfare Systems Group (IWSG) delivers expertise across program and project management, acquisition and contracting, systems and digital engineering, software development, test and evaluation, sustainment and life‑cycle management, cybersecurity, international/Foreign Military Sales, strategic communications, and IT services.
Sr. Systems Engineer TS/SCI Poly LeidosSr. Systems Engineer TS/SCI PolyAnnapolis Junction, MarylandResponsibilities include supporting and providing guidance for system development and implementation planning through assessment of system engineering plans and system integration and test plans; supporting the development of system configuration documentation, including designs for capacity and performance planning; and performing engineering activities such as risk assessments and analyses of alternatives for a variety of system related issues and concerns. June 22, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
All-Source Missile Systems Analyst, Senior Booz Allen HamiltonAll-Source Missile Systems Analyst, SeniorChantilly, Virginia5+ years of experience working with Scientific and Technical Intelligence Center organizations, Service intelligence centers, DoW intelligence production organizations, national laboratories, or technical intelligence customers. Experience interpreting or applying Technical SIGINT, FME-derived data, intelligence reports, test data, engineering data, or all-source intelligence to characterize foreign threat-system performance and operational capability.
Systems Engineer, Senior Booz Allen Hamilton Inc.Systems Engineer, SeniorUSA, VA$86,800–$198,000 / yearAs a Senior Systems Engineer, you will quickly define requirements to complex technical problems, scope program increments, define backlogs and sprints, develop architectural approaches, and help a great team develop critical satellite capability using high‑velocity Agile development process in the system development life cycle. The Opportunity: Seeking a Senior Systems Engineer to translate complex satellite mission needs into technical specifications to support Agile design, development, integration and deployment of a mission management software for heterogeneous, proliferated satellite constellations.
Weapons Systems Test Engineer Johns Hopkins Applied Physics LaboratoryWeapons Systems Test EngineerLaurel, MarylandFull timeLead and contribute to multidisciplinary teams comprised of government sponsors, government labs, industry partners, and other UARCs/FFRDCs focusing on requirements decomposition and analysis, concept/technology development, acquisition, test planning and execution, system evaluation, post test data analysis decision support, and risk assessments. Have 3+ years of systems test engineering experience in the development and test and evaluation of complex systems, including one or more of the following: system requirements analysis; understanding system design and architecture; testing and analysis within a weapon/missile system development cycle; system verification and validation; ground / flight test planning and execution.
Azure Cloud Integration Engineer LeidosAzure Cloud Integration EngineerRockville, MarylandThis engineer will play a key role in integrating cloud services across Azure and Microsoft 365 GCC environments, enabling secure, scalable, and compliant solutions for development, testing, and enterprise modernization. July 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Senior Azure Cloud Integration Engineer LeidosSenior Azure Cloud Integration EngineerRockville, MarylandThis engineer will play a key role in integrating cloud services across Azure and Microsoft 365 GCC environments, enabling secure, scalable, and compliant solutions for development, testing, and enterprise modernization. July 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Spacecraft GNC Integration & Test Engineer Quantum SpaceSpacecraft GNC Integration & Test EngineerRockville, Maryland$130,000–$180,000 / yearPlan and execute GNC hardware characterization and calibration activities, including inertial sensor characterization (Allan variance, bias instability, and angular random walk), sensor alignment, timing synchronization and phasing, and spacecraft magnetic characterization campaigns. Analyze spacecraft telemetry and test data to identify root cause, recommend corrective actions, and improve GNC subsystem performance throughout integration, environmental test, and flight operations.
NewModels Based Systems Engineer Science Applications International CorpModels Based Systems EngineerChantilly, VA$120,001–$160,000 / yearThese efforts will provide information necessary to determine various aspects such as emerging/existing resource/availability/capability gaps, inefficiencies, and ineffectiveness of current efforts within Modeling and Simulation development. Provide feedback on GED policies related to Agile, Digital Engineering, and DevSecOps based on observations of implementation challenges to drive improvements in suitability of governance and increase consistency of adoption across GED.
NewRF Systems Engineer 3 StratAcuity Staffing Partners IncRF Systems Engineer 3linthicum, MD$85–$117 / hourIn 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. The selected candidate will work closely with multidisciplinary engineering teams to develop innovative RF solutions, support system integration and testing efforts, and contribute throughout the system lifecycle from concept development and requirements analysis through verification and deployment.
AI Product Manager, Public Sector Dynamo AIAI Product Manager, Public SectorWashingtonDeep expertise in Generative AI and LLM systems, including model behavior, evaluation design, red-teaming, RAG/copilot architectures, prompt injection, guardrails, observability, and agentic workflows. 5+ years in product management, AI product strategy, technical program management, solutions, product engineering, strategy consulting, enterprise SaaS, or other customer-facing technical roles.
Systems Engineer - ESS Chenega CorporationSystems Engineer - ESSFalls Church, VAThis role provides lifecycle systems engineering support for a complex portfolio of security technologies, including IP-based Video Surveillance Systems (VSS), Access Control Systems (ACS), Intrusion Detection Systems (IDS), Identity Management solutions, and Physical Security Information Management (PSIM) platforms. Additionally, candidates must possess: Demonstrated experience supporting large-scale IP-based video surveillance systems, access control systems, intrusion detection systems, identity management platforms, or comparable enterprise security technologies.