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).
Aerospace Modeling & Simulation Engineer (TS/SCI) MaxaarAerospace Modeling & Simulation Engineer (TS/SCI)Herndon, Virginia$127,000–$139,700 / yearIn this role, you will model satellites, aircraft, sensor systems, mission scenarios, and operational concepts to evaluate performance, explore trade-offs, and inform decisions on future space and airborne capabilities. Develop, modify, and run high-fidelity simulations of space, airborne, and ISR sensor systems to support architecture studies, system trades, performance assessments, and mission-level analyses.
Aerospace Modeling & Simulation Engineer-1 (TS/SCI) MaxaarAerospace Modeling & Simulation Engineer-1 (TS/SCI)Herndon, VirginiaIn this role, you will model satellites, aircraft, sensor systems, mission scenarios, and operational concepts to evaluate performance, explore trade-offs, and inform decisions on future space and airborne capabilities. Develop, modify, and run high-fidelity simulations of space, airborne, and ISR sensor systems to support architecture studies, system trades, performance assessments, and mission-level analyses.
Network 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 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.
RF Communications Systems Engineer WGS SYSTEMS LLCRF Communications Systems EngineerFrederick, MDFull timeSuccessful candidates will have demonstrated experience in the development, analysis, design, and performance planning for military and commercial radio communications and networks. WGS Systems, a leading innovator in communications and defense industries is looking to expand our leveraging of advanced data solutions for mission-critical applications.
Senior Director, Strategic Capture – Training and Readiness Solutions Akima, LLCSenior Director, Strategic Capture – Training and Readiness SolutionsHerndon, Virginia$150,000–$300,000 / yearIdentify and lead new business pursuits that inject step-function growth by maximally leveraging Akima’s complete portfolio focused on Federal training and readiness solutions, including warfighter readiness; live, virtual, and constructive (LVC) training; synthetic training integration; distributed mission operations; joint and multinational exercises and wargaming; range operations; training systems integration, operations, and sustainment; aviation training; mission rehearsal; digital and managed learning; and training performance, analytics, and evaluation. Deep, established, and active relationships within at least one major DoD training and readiness acquisition or operational ecosystem, such as the Capability Program Executive for Simulation, Training, Test and Threat (CPE ST3; formerly PEO STRI), Naval Air Warfare Center Training Systems Division (NAWCTSD), Marine Corps Program Manager for Training Systems (PM TRASYS), Air Force Life Cycle Management Center Training Directorate, Marine Corps Training and Education Command (TECOM), or another comparable organization.
Sr System Administrator PavionSr System AdministratorChantilly, VirginiaAs a global leader, Pavion specializes in the design, installation, service, and maintenance of cutting-edge fire alarm systems, critical communications, video surveillance, access control, and advanced AV technologies. With a commitment to safety, reliability, and operational excellence, Pavion ensures scalable, future-ready solutions tailored to meet and exceed our clients’ needs.
Systems Engineer VTGSystems EngineerChantilly, VirginiaFull timeOverview: VTG is seeking for a Systems Engineer for a technical development program supporting two Cloud-based applications, and their associated cloud infrastructures located on a secure network. The Systems Engineer will work with a large team of developers, software engineers, cybersecurity engineers, database administrators, and system architects.
Cross Domain Systems Engineer, Senior Booz Allen HamiltonCross Domain Systems Engineer, SeniorMcLean, District of ColumbiaYou will lead efforts to plan, design, and implement cross-domain data flows, help users understand and define their data schemas, and help define and validate appropriate data handling and filtering policies. You will lead customer engagement to capture, define, and understand user and security requirements, decompose hardware, software, interface, and security control requirements, coordinate with stakeholders throughout system development and fielding activities, coordinate and plan system integration, and test and deployment.
NewEngineering Manager - Flight Control System ElectraEngineering Manager - Flight Control SystemManassas, VA$153,000–$185,000 / yearOur 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. You will work cross-functionally across systems, avionics, actuation, propulsion, and flight test teams, and play a central role in bringing a novel aircraft configuration through certification.
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.
Principal Aerospace Modeling & Simulation Engineer (TS/SCI) VantorPrincipal Aerospace Modeling & Simulation Engineer (TS/SCI)Herndon, VirginiaVantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. You will serve as the primary intermediary between customers, program leadership, and modeling teams, translating mission needs and customer objectives into executable technical strategies, program roadmaps, and prioritized action plans.
Working Technical Project Manager InnodataWorking Technical Project ManagerWashingtonWorking alongside the Delivery Owner, you'll own the schedule and keep the team on track across five key milestones, coordinate directly with our partner's working-level teams, package and deliver work products, and administer the program's toolchain. Over an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities.
Data & Annotation Engineer InnodataData & Annotation EngineerWashingtonOver an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities. Bachelor's degree in Computer Science, Machine Learning, Data Science, or related field required; Master's degree preferred.
Solution Architect InnodataSolution ArchitectWashingtonOver an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities. You'll define the architecture for the data services storefront and own the DataCard governance framework that keeps our data trustworthy, documented, and compliant end to end.
QA / Evaluation Lead InnodataQA / Evaluation LeadWashingtonDesign and own the inter-annotator agreement (IAA) methodology for the Phase 1 demonstration corpus — metric selection (Cohen's kappa, Fleiss, Krippendorff's alpha), sampling design, adjudication workflow, and agreement thresholds. Over an intensive 20-week phase, you'll help stand up a data services storefront, a DataCard governance framework, synthetic data integration, and Databricks write-back capabilities.
NewInformation System Security Engineer - Federal Customer Dell, Inc.Information System Security Engineer - Federal CustomerMclean, VAFull timeThis role is responsible for embedding security into system design, hardening platforms, supporting authorization activities, and resolving vulnerabilities in partnership with engineering and operations teams. The ideal candidate brings strong technical depth, security engineering discipline, and the ability to translate requirements into practical, supportable controls.