Senior Mechanical Engineer Whitman, Requardt & Associates, LLPSenior Mechanical EngineerFairfax, VA$160,000–$240,000 / yearFull timeAs a Senior Mechanical Engineer at Whitman, Requardt & Associates, LLP, you will play a pivotal role in the design and execution of mechanical engineering projects across various industries, including government, education, transportation, and commercial. Whitman, Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and sustainable solutions to our clients' most complex challenges.
Senior Systems Engineer - MARYLAND, DELAWARE OR Washington, D.C. Motorola Solutions IncSenior Systems Engineer - MARYLAND, DELAWARE OR Washington, D.C.Washington, DCRemote$100,000–$115,000 / yearEngineer multi-faceted projects requiring a wide range of technical skills including, but not limited to: coverage and capacity design, microwave system analysis, RF LMR system and BDA design, WAN network design, and knowledge of Motorola ASTRO systems. Conduct frequent and detailed interactions with customers and consultants to facilitate design reviews, system staging and acceptance testing events, coverage acceptance testing, live system upgrades, and troubleshooting efforts.
NewCommercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerFalls Church, VA$77,000–$82,000 / yearMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite.
Spacecraft Systems Engineer Quantum SpaceSpacecraft Systems EngineerRockville, MD$110,000–$220,000 / yearIn this role, you will lead spacecraft-level systems engineering activities, driving requirements development, interface management, design integration, and verification across propulsion, structures, avionics, software, guidance, navigation and control (GNC), and mission operations. You will play a critical role in ensuring technical excellence throughout the spacecraft lifecycle while partnering closely with multidisciplinary engineering teams, program leadership, customers, and mission stakeholders.
Systems Engineer (Expert-Level) SHINE SystemsSystems Engineer (Expert-Level)Washington, DC$140,000–$155,000 / yearBachelor’s degree or higher in Systems Engineering or a related technical or scientific field such as Engineering, Physics, Mathematics, Operations Research, Engineering Management, Computer Science, Information Technology, Management Information Systems, or a related STEM degree program; or equivalent additional experience. 18+ years of experience working in government or industry in relevant areas including DoD/IC Acquisition Process, Requirements Process, PPBES Process, or systems engineering of large, complex System of Systems or Service Oriented Architecture environments in cloud, on-premise, or hybrid infrastructures.
NewSATCOM Systems Engineer Booz Allen Hamilton IncSATCOM Systems Engineerfort meade, MD$86,900–$198,000 / yearAs a SATCOM Systems Engineer on our team, you have the chance to shape future SATCOM systems by leading systems engineering efforts to deliver enterprise SATCOM capabilities for a worldwide network of SATCOM facilities that provide multifaceted critical data to tactical and strategic users. Experience developing systems engineering documentation such as CDD, CONOPS, Systems Engineering Plans, Systems Architecture Diagrams, Memorandum of Understanding (MOU), Memorandum of Agreements (MOA), or Test Plans, Engineering Change Proposals (ECP).
NewSatcom Systems Engineer Booz Allen Hamilton Inc.Satcom Systems EngineerAnnapolis Junction, MD$86,900–$198,000 / yearAs a SATCOM Systems Engineer on our team, you have the chance to shape future SATCOM systems by leading systems engineering efforts to deliver enterprise SATCOM capabilities for a worldwide network of SATCOM facilities that provide multifaceted critical data to tactical and strategic users. Experience developing systems engineering documentation such as CDD, CONOPS, Systems Engineering Plans, Systems Architecture Diagrams, Memorandum of Understanding (MOU), Memorandum of Agreements (MOA), or Test Plans, Engineering Change Proposals (ECP).
Network Systems Engineer LeidosNetwork Systems EngineerOdenton, Maryland$73,450–$132,775 / year4+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. The Leidos Digital Modernization Sector/Global Solutions Management-Operations II (GSMO-II) contract Leidos is seeking an experienced Network Sytems Engineer to provide network operations and engineering sustainment support to a mission critical IP messaging and communications transport network.
Cyber Systems Engineer Oceaneering International IncCyber Systems EngineerHanover, MDUnder the direction of a Program Manager and Lead Systems Engineer, the Cyber Systems Engineer will be required to interact with other OTECH personnel and clients to guide engineering efforts in order to meet client requirements. Experience with: Contributing to the development of sections of systems engineering documentation, including system engineering plans, requirements specifications, and interface control documents.
Senior HSI/HFE Systems Engineer Oceaneering International IncSenior HSI/HFE Systems EngineerHanover, MD$94,100–$141,100 / yearThe Senior HSI/HFE Systems Engineer will provide guidance to engineering design efforts, with a focus on Human Systems, through the development of systems engineering documentation, including concepts of operations (CONOPS), operational scenarios and vignettes, requirements specifications, interface control documents and drawings, task and workload analyses, and participation in the development of human-centric test plans and procedures. Plan and execute user research (context-of-use analyses, task/functional analyses, workload, situation awareness), human-in-the-loop (HITL) evaluations, and usability testing using formative and summative methods.
Security Systems Engineer NorthHill TechnologySecurity Systems EngineerDistrict of ColumbiaSystem Administration: Hands-on experience managing multi-site network environments (Windows/Linux), including experience with McAfee’s ePO, Rogue Sensor Detection, HIPS, Policy Auditor (PA), Data Loss Prevention (DLP), etc. Desired Skills Technical Communication: Strong oral and written communication skills, with the ability to produce clear technical documentation and effectively interact with various teams.
Systems Engineer III Steel Point Solutions LLCSystems Engineer IIIFort Meade, MD$147,925.44–$157,787.14 / yearThe salary range represents a general guideline; however, Steel Point Solutions 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. Steel Point Solutions is an amazing SBA Certified (8a), HUBZone, Small Disadvantaged Business (SDB) and a Woman Owned Small Business (WOSB) company.
Linux Systems Engineer WCBincLinux Systems EngineerSpringfield, VirginiaOur work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our customer in Springfield, VA and help ensure today is safe and tomorrow is smarter. Oversee complex infrastructure including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
NewSystems Engineer Expert LeidosSystems Engineer ExpertChantilly, Virginia$131,300–$237,350 / yearJune 9, 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. Perform functional analysis, timeline analysis, cost estimation, requirements allocation, and interfaced definition studies to translate customer requirements into hardware and software specifications.
Senior Associate, Building Systems Engineer HITT Contracting IncSenior Associate, Building Systems EngineerDCJob Description: As a critical member of our Facilities Team, the Building Systems Engineer, Senior Associate is responsible for the operation, maintenance, and repair of Net Zero building systems, including mechanical, electrical, plumbing, life safety, and building automation systems. Conducts routine building walk-throughs to assess system performance, document equipment condition, identify energy inefficiencies, and report deficiencies requiring corrective action that could impact energy use or NZE performance targets.
NewSenior Systems Engineer (IBM ELM) - TS/SCI w CI Poly Modern Government SolutionsSenior Systems Engineer (IBM ELM) - TS/SCI w CI PolySterling, VAFull timeBachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.10+ years of experience supporting enterprise systems and engineering environments.10+ years of experience configuring, deploying, and maintaining enterprise engineering applications using Automation as Code (AaC) and CI/CD pipelines within cloud-based environments. Experience supporting enterprise infrastructure, including relational and non-relational databases, Identity and Access Management (IDAM), and authentication technologies such as Active Directory, SAML, OAuth 2.0, OpenLDAP, and OIDC.Experience implementing DevSecOps and infrastructure automation solutions utilizing GitLab, Jenkins, Terraform, Ansible, or similar tools, with strong troubleshooting, testing, documentation, and communication skills.
NewSr. Systems Engineer (Citrix) - TS/SCI w CI Polygraph Modern Government SolutionsSr. Systems Engineer (Citrix) - TS/SCI w CI PolygraphSterling, VAFull timeExperience may be acceptable in lieu of a degree.10+ years of experience deploying and maintaining platform infrastructure and COTS applications in cloud-based environments.5+ years of hands-on experience with Citrix Virtual Apps and Desktops, including expert knowledge of Citrix architecture, components, and deployment methodologies. Implement and manage Citrix Provisioning Services (PVS) or Machine Creation Services (MCS) for desktop image management; manage Virtual Delivery Agents (VDAs), hypervisors, and storage systems.
NewPrincipal Systems Engineer (API Gateway) - TS/SCI w CI Poly Modern Government SolutionsPrincipal Systems Engineer (API Gateway) - TS/SCI w CI PolySterling, VAFull timeBachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.16+ years of experience designing, integrating, and supporting enterprise systems, cloud architectures, and API-driven solutions within complex mission environments.5+ years of experience implementing and administering API gateway technologies in cloud-based architectures; Experience designing secure APIs and enterprise integration solutions utilizing REST, GraphQL, event-driven architectures, message queues, streaming platforms, or ETL pipelines. TITLE: Principal Systems Engineer (API Gateway)LOCATION: Sterling, VA (Relocation assistance considered)CLEARANCE REQUIRED: Active TS/SCI with CI PolyEMPLOYMENT TYPE: Full-time, Onsite POSITION SUMMARYModern Government Solutions (MGS) is seeking a Principal Systems Engineer to architect, integrate, and secure mission-critical API ecosystems supporting next-generation national security capabilities.
NewSr. Systems Engineer, Platform/Infrastructure Modern Government SolutionsSr. Systems Engineer, Platform/InfrastructureSterling, VAFull timeExperience supporting relational and non-relational databases including PostgreSQL, MySQL, and MongoDB.Experience supporting IdAM technologies including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.Experience with DevOps tooling including Ansible, Terraform, Jenkins, and GitLab. Administer relational and non-relational databases including PostgreSQL, MySQL, and MongoDB.Support Identity and Access Management (IdAM) solutions including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.Implement and maintain DevOps automation using Ansible, Terraform, Jenkins, and GitLab.
NewPrincipal Systems Engineer, Digital Engineering Solutions Modern Government SolutionsPrincipal Systems Engineer, Digital Engineering SolutionsSterling, VAFull timeTITLE: Principal Systems Engineer, Digital Engineering SolutionsLOCATION: Sterling, VA (Relocation assistance considered)CLEARANCE REQUIRED: Active TS/SCI with CI PolyEMPLOYMENT TYPE: Part-Time / As Needed, Onsite POSITION SUMMARYModern Government Solutions (MGS) is seeking a Principal Systems Engineer, Digital Engineering Solutions to lead the architecture, deployment, and sustainment of enterprise engineering platform environments in support of national security missions. Bachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.16+ years of experience architecting, deploying, and sustaining enterprise engineering platforms and IT infrastructure within cloud-hosted environments.