Lead Substation Engineer 2 - Grid Sargent & LundyLead Substation Engineer 2 - GridDistrict of Columbia, Washington, DC$134,546–$205,557 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Leaders in these roles often direct automation and process-improvement work, for example, how teams automate calculations, summarize technical documents, or generate design documentation and guiding when and how AI or agentic AI tools are used while ensuring results are checked.
Structural Engineer Senior 3 M.C. Dean, IncStructural Engineer Senior 3Tysons , Virginia$104,240–$130,300 / yearFull timeHeadquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems.
Structural Engineer Principal 4 M.C. Dean, IncStructural Engineer Principal 4Tysons , Virginia$125,120–$156,400 / yearFull timeHeadquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems.
Instrumentation and Controls Engineer (per diem available) On-Board CompaniesInstrumentation and Controls Engineer (per diem available)Manassas, VA$46.97–$71.06 / hourToday, On-Board is a thriving privately held family of companies with services including: Consulting, Professional Engineering, Industrial Maintenance and Facility Management, Contracted Manufacturing and Production Services, as well as Temporary Staffing and Recruiting throughout North America. Our Client is a global professional services firm that provides engineering, design, construction, and consulting solutions across infrastructure, advanced manufacturing, energy, water, and government sectors.
Digital Engineer Systems Planning and AnalysisDigital EngineerWashington, DC, Washington, DC$90,000–$120,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Group brings technical and operational expertise in fields of countering weapons of mass destruction, critical infrastructure protection, emergency response, nuclear non-proliferation, weapons deployment programs, and transportation safety.
Sr. Digital Engineer Systems Planning and AnalysisSr. Digital EngineerWashington, DC, Washington, DC$125,000–$165,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Group brings technical and operational expertise in fields of countering weapons of mass destruction, critical infrastructure protection, emergency response, nuclear non-proliferation, weapons deployment programs, and transportation safety.
Systems Engineer Systems Planning and AnalysisSystems EngineerWashington, Washington, DCFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Group brings technical and operational expertise in fields of countering weapons of mass destruction, critical infrastructure protection, emergency response, nuclear non-proliferation, weapons deployment programs, and transportation safety.
Sr. Systems Engineer Systems Planning and AnalysisSr. Systems EngineerAshburn, Virginia$125,000–$165,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The Critical Infrastructure Group (CIG) within JOID provides technical, programmatic and analytical support to customers with missions in national security to include the Department of Homeland Security (DHS), Health and Human Services (HHS), and the Federal Aviation Administration (FAA).
Vulnerability Research Engineer Integration Innovation, Inc.Vulnerability Research EngineerWashington, D.C.$115,000–$181,000 / yearFull timeAbout i3: i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.
Ground Systems Engineer Systems Planning and AnalysisGround Systems EngineerChantilly, Virginia$150,000–$195,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide both paid and unpaid time away from work.
Senior ICS/SCADA & Industrial Controls Engineer LeidosSenior ICS/SCADA & Industrial Controls EngineerReston, Virginia$131,300–$237,350 / yearBachelor's degree in a STEM field (Electrical Engineering, Mechanical Engineering, or related discipline) with relevant professional certifications and 12+ years of experience, or a Master's degree with 10+ years of relevant experience. This role focuses on understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed through Industrial Control Systems (ICS) and Building Management Systems (BMS).
Junior Software Engineer (SEG1) Decision TechnologiesJunior Software Engineer (SEG1)WashingtonCompensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval centric areas like Norfolk, VA and San Diego, CA.
Senior Software Engineer (SEG3) Decision TechnologiesSenior Software Engineer (SEG3)WashingtonCompensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval centric areas like Norfolk, VA and San Diego, CA.
Mid-Level Software Engineer Decision TechnologiesMid-Level Software EngineerWashingtonCompensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Travel should be infrequent but include occasion trips to support government efforts at East and West Coast naval centric areas like Norfolk, VA and San Diego, CA.
Spacecraft Operations & Systems Integration Engineer Systems Planning and AnalysisSpacecraft Operations & Systems Integration EngineerChantilly, Virginia$150,000–$195,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide both paid and unpaid time away from work.
Software Engineer Integration Innovation, Inc.Software EngineerWashington, D.C.$122,000–$204,000 / yearFull timeAbout i3: i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.
Cyber Security Engineer V Redhorse CorporationCyber Security Engineer VWoodbridge, VAEducational Requirement: Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Computer Security, or Network Engineering. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
ICS/SCADA & Critical Infrastructure Engineer - TS/SCI Poly LeidosICS/SCADA & Critical Infrastructure Engineer - TS/SCI PolyReston, VirginiaThis role focuses on understanding commercial and heavy industrial facilities, as well as the interoperability of systems managed through Industrial Control Systems (ICS) and Building Management Systems (BMS). August 13, 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.
CBRN Systems Engineer Chenega Security International, LLCCBRN Systems EngineerArlington, VirginiaOverview: The CBRN Systems Engineer provides technical expertise and operational support for Chemical, Biological, Radiological, and Nuclear (CBRN) and/or Counter-Unmanned Aircraft Systems (C-UAS) detection technologies. The ideal candidate brings deep experience with advanced sensor technologies, strong analytical skills, and the ability to collaborate effectively across government and industry teams.
Sr. Communications Engineer Systems Planning and AnalysisSr. Communications EngineerWashington, DC, Washington, DC$135,000–$175,000 / yearFull timeLeverage specialized tools including Cambium LINKPlanner for point-to-point and point-to-multipoint microwave/wireless link design, path profiling, performance prediction, and “what-if” scenario modeling; and Spectrum Center’s Spectrum-E for spectrum management, e-licensing support, technical analysis (coverage plots, best server analysis, interference studies), and coordination workflows. Engage with internal stakeholders (e.g., DHS components like CBP, TSA, and NTIA/FCC spectrum offices) and external partners (e.g., contractors, interagency groups, commercial carriers) to resolve technical challenges, ensure system interoperability, coordinate spectrum access, and support frequency allocation requests for mission-critical border operations.