Python Developer CACI International IncPython DeveloperChantilly, VA$103,800–$218,100 / yearPay 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. The ideal candidate will develop, test, and debug Python applications, APIs, and backend services, utilizing Git for version control and collaborating in a microservices-based cloud environment.
Agile SME MarkonAgile SMEChantilly, Virginia$180,000–$200,000 / yearFull timeDescription: Markon is seeking an Agile SME with 6+ years of experience to lead the configuration, governance, and adoption of the Atlassian toolchain (Jira, Confluence, Jira Service Management, Bitbucket, and marketplace apps). Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
NewDevsecOps Engineer CACI International IncDevsecOps EngineerChantilly, VA$69,100–$141,500 / yearPay 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. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
Application Systems Engineer (Jira - Linux - Automation) PeratonApplication Systems Engineer (Jira - Linux - Automation)Chantilly, Virginia$135,000–$216,000 / yearFull timePeraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. Demonstrated hands-on experience designing, building, and operating automation for enterprise services using Ansible or Ansible Automation Platform, including writing and maintaining playbooks for configuration, deployment, and patching in production.
Modeling & Simulation Engineer (Systems Engineer, Sr) Redwire CorpModeling & Simulation Engineer (Systems Engineer, Sr)Chantilly, VAYou will design and validate simulation components, implement numerical and multi‑domain models, support virtual integration and V&V activities, and collaborate closely with systems engineers, software teams, mission analysts, and UI/UX partners to deliver coherent, data‑driven simulation capabilities across aerospace and defense applications. This role blends physics‑based computation, systems‑engineering discipline, and software‑driven simulation development to ensure that digital twins, scenario models, and system‑level simulations are accurate, scalable, and aligned with mission and product objectives.
Network Engineer NorthstratNetwork EngineerArcola, VAThere 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. Northstrat is seeking an experienced Network Engineer to provide sustainment support for the network enterprise, ensuring reliable, secure, and optimized network and communications operations.
Full Stack Developer SOS International LLCFull Stack DeveloperChantilly, VAThe Contractor shall leverage coding skills and expertise in cloud computing to design, develop, test, and deploy scalable and efficient web applications, supporting the Sponsor's customers. Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support.
Software Developer Two Six Technologies IncSoftware DeveloperChantilly, VA$124,600–$224,500 / yearSalary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements. Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions.
AI/ML Engineer SOS International LLCAI/ML EngineerChantilly, VADocument and communicate methods and findings using Sponsor''s formats and templates, which could include authoring analytic publications, producing ad-hoc reports, creating data visualizations, delivering slideshow presentations or briefings, or documenting methods in GitHub repositories. The AI/ML Engineer shall design, develop, test, evaluate, and deploy Al/ML models and ensembles across various domains, including generative Al, classification, prediction, computer vision, natural language processing (NLP), and reinforcement learning.
Information Systems Security Engineer (ISSE) Markon SolutionsInformation Systems Security Engineer (ISSE)Chantilly, VA$170,000–$195,000 / yearDevelop, implement, and/or integrate Information Assurance (IA) and security systems, including those for networking, computing, virtualization, cloud, and enclave environments, to include those with multiple enclaves and with differing data protection/classification requirements. Maintain appropriate levels of documentation deemed acceptable by Agency regulations and guidelines for each individual project, including operations and maintenance information, operations guides, design documents, scans, and overall concepts of operations.
Information Systems Security Engineer (ISSE) MarkonInformation Systems Security Engineer (ISSE)Chantilly, Virginia$170,000–$195,000 / yearFull timeDevelop, implement, and/or integrate Information Assurance (IA) and security systems, including those for networking, computing, virtualization, cloud, and enclave environments, to include those with multiple enclaves and with differing data protection/classification requirements. Maintain appropriate levels of documentation deemed acceptable by Agency regulations and guidelines for each individual project, including operations and maintenance information, operations guides, design documents, scans, and overall concepts of operations.
Information Systems Security Engineer (ISSE) VTG.Information Systems Security Engineer (ISSE)Chantilly, VA$145,000–$180,000 / yearDevelop, implement, and/or integrate Information Assurance (IA) and security systems, including those for networking, computing, virtualization, cloud, and enclave environments, to include those with multiple enclaves and with differing data protection/classification requirements. Maintain appropriate levels of documentation deemed acceptable by Agency regulations and guidelines for each individual project, including operations and maintenance information, operations guides, design documents, scans, and overall concepts of operations.
Junior Level Modeling, Simulation, and Analysis Engineer Peraton IncJunior Level Modeling, Simulation, and Analysis EngineerChantilly, VA$86,000–$138,000 / yearSkills and Experience: Required: Bachelor's degree in Systems Engineering or in related technical or scientific fields such as Engineering, Physics, Mathematics, Operations Research, Engineering Management, Computer Science, Information Technology, Management Information Systems, or related STEM degree program. We are seeking analysis-driven candidates to join Peraton's dynamic Performance Engineering and Analysis team, a recognized Intelligence Community leader with decades of expertise in providing customers with data-driven analysis shaping the architecture of the future.
Sr Software Developer (TS/SCI) Strategic Business Systems IncSr Software Developer (TS/SCI)Chantilly, VABasic Requirements: The ideal candidate will have 8 + years' experience with full life-cycle software development (analysis, design, development, test, deployment, maintenance) and application of industry-proven design patterns and open source tools. SBS provides the opportunity to work with the best in the industry on a wide range of cutting edge enterprise technologies in a fast-paced culture that rewards leadership and creative thinkers.
Virtualization System Architect ManTech International CorpVirtualization System ArchitectChantilly, VA$150,900–$268,500 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
Manager, Security Operations & Incident Response Trex Company, IncManager, Security Operations & Incident ResponseWinchester, VA$140,000–$175,000 / yearWe are looking for a Manager, Security Operations & Incident Response to support our team by leading Trex's day-to-day security operations, incident response program, managed security service partnerships, and operational governance of the endpoint, cloud, email, vulnerability management, and detection platforms. Work closely with IT Platforms and Servers, Engineering, Legal, Internal Audit, End User Computing, and other business partners on shared workstreams including segmentation, network access control modernization, conditional access, OT/ICS security, and security operations maturity.
Systems Engineer Two Six Technologies IncSystems EngineerChantilly, VA$146,400–$263,800 / yearSalary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements. Minimum of 10 years of related network engineering experience, or equivalent combination of education, technical certifications/training, and/or work experience.
Software Engineer (Full Stack) CACI International IncSoftware Engineer (Full Stack)Chantilly, VA$98,500–$206,800 / yearPay 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. Ability to collaborate with cross-functional teams including product managers, architects, and other engineers to define, design, and ship new features.
Product Owner - DevOps CACI International IncProduct Owner - DevOpsChantilly, VA$90,300–$189,600 / yearPay 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. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
Senior Low-Code Developer Ampcus IncorporatedSenior Low-Code DeveloperChantilly, VAThe ideal candidate will have a strong background delivering enterprise applications and workflow solutions using modern low-code/no-code and Platform-as-a-Service (PaaS) technologies, with experience leveraging AI-enabled capabilities in scalable, secure, and user-centric solutions. Design, develop, and implement enterprise workflow and business process solutions using modern low-code/no-code and PaaS platforms (such as Appian, Power Platform, ServiceNow, Salesforce, OutSystems, Mendix, etc.).