NewSystem Administrators IV LinTech GlobalSystem Administrators IVFort Belvoir, VAFull timeDexian Government Solutions is recruiting for a System Administrators IV to support our contract at the Defense Health Agency (DHA) GSP TO7 in ATAMMC, Fort Belvoir, VA.Location: 9300 DeWitt Loop, Fort Belvoir, VA 22060Position Overview:The System Administrator IV holds overall responsibility for the operation and upkeep of computer systems, servers, and networks supporting the Defense Health Agency (DHA) GSP TO7 at ATAMMC, Fort Belvoir, VA. This senior-level administrator supervises all system administration functions, provides strategic direction, and mentors junior staff in support of ATAMMC operations, while managing the day-to-day integrity, security, and availability of infrastructure platforms and collaborating with architecture and engineering teams to evaluate and implement new infrastructure solutions.
Model Based System Engineer SolvarusModel Based System EngineerChantilly, VAIntegrate enterprise tools and develop MBSE-based processes to support requirements engineering, the customer's ERB process, CONOPS and architecture development, Risk, Issues and Opportunity Management boards, schedule management, test and verification strategy development, and system integration of new initiatives in support of expanded mission capabilities. As a Solvarus team member, you will work closely as part of multiple Integrated Product Teams (IPTs) to architect and design Space and Ground solutions using advanced Model Based Systems Engineering (MBSE) processes and techniques.
System Engineer (All Levels) AdapticSystem Engineer (All Levels)Annapolis Junction, MDWhether you're early in your career or leading system architecture and integration efforts, we're looking for Systems Engineers at all levels who enjoy solving complex problems, working across disciplines, and building systems that matter. You'll work across the full systems engineering lifecycle—requirements, design, integration, testing, and deployment—supporting solutions that operate at scale in high-stakes environments.
Senior System Engineer Belay TechnologiesSenior System EngineerAnnapolis Junction, MD$168,000–$240,000 / yearThis position serves as a technical bridge between ICAM product teams, software developers, cybersecurity engineers, test teams, and system integrators to ensure capabilities are properly integrated, tested, documented, and prepared for enterprise deployment. The engineer will work with multiple ICAM product teams to integrate externally developed capabilities and support the development of internally developed services into a cohesive ICAM solution that can be deployed across diverse mission environments.
Senior RF Systems Engineer, Cyber ANDURIL INDUSTRIESSenior RF Systems Engineer, CyberWashington, DC$166,000–$220,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Senior Software Engineer / Data Scientist (Training Systems) Leidos Holdings Inc.Senior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelor's degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
NewNetwork Management Systems (NMS) ServiceNow Developer CACINetwork Management Systems (NMS) ServiceNow DeveloperSterling, VirginiaYou will also play a key role in enhancing and automating request fulfillment workflows, integrating ServiceNow with network management systems, ensuring seamless workflows across various business processes. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Senior IT Systems/Network Engineer - Fort Belvoir, VA OBXtek Inc.Senior IT Systems/Network Engineer - Fort Belvoir, VAFort Belvoir, VirginiaFull timeLead efforts collaboratively with developers, designers, product owners, and partner organizations to rapidly develop prototype technical software and hardware solutions. Major Duties and Responsibilities: Provide technical reviews of engineering design and implementation plans of network infrastructure modernization projects to ensure compliance with established network architecture.
AI System Engineer (SETA) VTGAI System Engineer (SETA)McLean, VirginiaFull timeIn-depth knowledge of one or more of the following: frontier AI models, emerging AI model architectures and domains, AI research organizations and methodologies, application and deployment of advanced AI models, adversarial or defensive AI techniques, AI model evaluation, or other advanced areas of AI research. The selected candidate will provide technical leadership in evaluating state-of-the-art AI technologies, conducting technical research, supporting systems engineering and integration efforts, and developing innovative solutions to complex technical challenges.
System Engineer CACISystem EngineerSterling, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We are looking for a highly motivated Systems Engineer who thrives on tackling complex challenges, integrating diverse systems, and designing intelligent, software-enabled solutions to enhance mission outcomes.
Software Integration Engineer (All Levels) - Active TS/SCI with Polygraph Clearance EmtakSoftware Integration Engineer (All Levels) - Active TS/SCI with Polygraph ClearanceAnnapolis Junction, MarylandEMTAK is hiring multiple Site Reliability Engineers (SREs) / Software Integration Engineers to support a rapidly growing Intelligence Community program. The ideal candidate will have experience with Linux system administration, automation, monitoring, troubleshooting, and improving system reliability in mission-critical environments.
HPC Software Integration Engineer GIGATEC EngineeringHPC Software Integration EngineerAnnapolis Junction, MDFull timeYou will use Linux administration, Bash/Python scripting, Ansible, CI/CD, automated testing, Git, and technical documentation skills to support mission-critical HPC deployment and sustainment. Experience developing automated test frameworks and executing system-level automated testing.
Program Analyst - Submarine Combat Systems Systems Planning and AnalysisProgram Analyst - Submarine Combat SystemsAlexandria, VirginiaFull 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 Undersea Technology Portfolio, within SPA's Sea, Land, & Air Division, conducts rigorous and objective analyses to enable the Navy and other DoD organizations to make decisions, plans, and strategies to deliver emerging technologies and warfighting capabilities.
Program Manager/Project Analyst - Submarine Electromagnetic Systems Systems Planning and AnalysisProgram Manager/Project Analyst - Submarine Electromagnetic SystemsAlexandria, VirginiaFull 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 Undersea Technology Portfolio, within SPA's Sea, Land, & Air Division, conducts rigorous and objective analyses to enable the Navy and other DoD organizations to make decisions, plans, and strategies to deliver emerging technologies and warfighting capabilities.
Windows Systems Automation Engineer Booz Allen HamiltonWindows Systems Automation EngineerMcLean, VirginiaWe need a Windows Systems Automation Engineer who can combine Windows administration, cloud engineering, and infrastructure-as-code practices to build reliable and repeatable environments supporting Department of Defense missions. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Systems Engineer Booz Allen HamiltonSystems EngineerLorton, Virginia$53,000–$108,000 / yearOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen 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.
NewSenior Information Systems Security Engineer (ISSE) DAn SolutionsSenior Information Systems Security Engineer (ISSE)Reston, VAFull timeNo Telework.· Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected· Assist team in DIA's Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO)· Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively· Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs· Configures and validates secure systems and physical controls, and tests security products and systems to detect security weakness· Develop comprehensive system test plans (STP) to assess the security posture of the information systems· Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures· Participate in incident response activities and assist in the resolution of security incidents as needed Requirements:· Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management· Security credentials, certifications, and experience commensurate with the job description· Practical experience deploying, maintaining, and troubleshooting security tools· Demonstrates the ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements· Thrives in a fast-paced, complex environment; displays exceptional poise and an unwavering commitment to hard work· Displays excellent problem-solving abilities and attention to detail· Experience with each of the following security tools: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s· Collaborate with stakeholders to identify security requirements and ensure alignment with organizational objectives· Stay abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems· A Bachelor's Degree from an accredited institute in an area applicable to this position and four (4) years of relevant experience· An additional four (4) years of relevant experience may be substituted for the bachelor's degree· Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for certification Desired Qualifications:· Familiar with tiered security environments (U, S, TS)· Deep understanding of Trellix antivirus suite of products· Knowledge of Splunk architecture and experience structuring multi-level queries· Windows expert - capable of advanced Powershell scripting and general administrative functions· Experience with one or more commercial government cloud service provider's system accreditation process· Experience as a Cybersecurity Control Assessor for SAP· Experience with Ongoing Authorizations and Assessments· Experience with C2S Cloud, or DevOpsSec ISSE are as follows:· Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited· Responsibilities are full-time on customer's onsite and will cover classified programs and Special Access Programs (SAP).
2026 Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team Johns Hopkins Applied Physics Laboratory2026 Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems TeamLaurel, MarylandFull timeAdditionally, you will work with a multidisciplinary team that supports our sponsors in developing advanced analysis methods for deployed systems, modernizing existing Navy hardware, and integrating new weapon systems onto Navy platforms. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
2026 PhD Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team Johns Hopkins Applied Physics Laboratory2026 PhD Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems TeamLaurel, MarylandFull timeAdditionally, you will work with a multidisciplinary team that supports our sponsors in developing advanced analysis methods for deployed systems, modernizing existing Navy hardware, and integrating new weapon systems onto Navy platforms. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Security Systems Installer Johnson ControlsSecurity Systems InstallerChantilly, VirginiaIf you are an individual with a disability and you require an accommodation during the application process, please visit SpecialAccommodations@jci.com?subject=Candidate%20Accommodated%20Requested&body=Hello%2C%20%0A%0AI've%20applied%20to%20an%20opportunity%20and%20require%20an%20accommodation%20during%20the%20application%20process. As a critical part of the team, the Commercial Installer works onsite with our commercial customers to set up and program their Integrated Security systems.