NewInformation Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
NewTechnical Lead / Solution Architect System OneTechnical Lead / Solution ArchitectMerrifield, VAThe ideal candidate brings deep expertise in enterprise architecture, cloud-native platforms, DevSecOps, CI/CD, and large-scale system integrations, along with the ability to influence technical strategy and drive complex transformation initiatives across the organization. We are seeking an experienced Technical Lead / Solution Architect to lead the architecture, design, and implementation of a mission-critical enterprise platform focused on release certification, governance, quality engineering, and operational readiness.
NewSoftware Developer (CNO) System OneSoftware Developer (CNO)Fort Meade, MD$140,000 / hourSystem One, and its subsidiaries including Joulé, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Lead the designing, developing, documenting, testing, debugging, and maintenance of hardware or software based CNO capabilities.
NewMid or Senior Level Network Engineer System OneMid or Senior Level Network EngineerLorton, VA$77.75–$110 / hourThe position focuses on network infrastructure management, network security, cross-domain solutions, and modernization efforts , while serving as the primary technical expert for enterprise networking operations. Experience deploying and managing LAN and WAN Switches and Firewalls, including Cisco 2900, 4500, 9300, 9400, 6800, Nexus 9000, and Cisco Firepower, ASA.
NewSoftware Integration Engineer System OneSoftware Integration EngineerAnnapolis Junction, MD$150,000 / yearWe’re hiring Software Integration Engineers to join a mission-focused Site Reliability Engineering (SRE) team supporting critical operations infrastructure. Strong Linux administration, troubleshooting, and operational support experience (any of the following): RHEL, CentOS, Rocky Linux, SLES, Ubuntu.
Mainframe Automation Specialist System OneMainframe Automation SpecialistMerrifield, VA$70–$90 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Proficiency in designing and supporting automation across z/OS subsystems such as CICS, Db2, IMS, JES2/JES3, MQ, TCP/IP.
New(v) Software Engineer – FACETS Extensions / Application Development System One(v) Software Engineer – FACETS Extensions / Application DevelopmentBaltimore, MD$45–$73 / hourWe are seeking a Software Engineer – FACETS Extensions / Application Development to design, develop, and support applications and integrations that enhance the FACETS platform and related claims processing workflows. As part of this strategic transformation, we are building a strong FACETS talent bench to support multiple project waves across engineering, application development, integrations, and platform modernization.
NewPlatform Engineer (VMware & AWS) System OnePlatform Engineer (VMware & AWS)Washington, DCWe're seeking a talented Platform Engineer to help architect, deploy, and manage our on-premises Virtual Cloud (VMware) platforms, our AWS Cloud platforms while supporting emerging AI capabilities, modern containerized workloads, and enterprise virtualization environments. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Senior Front-End Engineer - Onsite Interview is Required System OneSenior Front-End Engineer - Onsite Interview is RequiredWashington, DC$60–$90 / hourThe ideal candidate combines strong technical expertise with a passion for user experience, accessibility, scalability, and engineering excellence. We are seeking a Senior Front-End Engineer with deep expertise in Angular 17+, modern web technologies, and enterprise-scale UI development.
NewStaff Software Engineer, Autonomous Pilot Integration - Emerging Domains (R5401) Shield AIStaff Software Engineer, Autonomous Pilot Integration - Emerging Domains (R5401)Washington, DCThe Autonomous Pilot Integration team for Emerging Domains builds autonomy solutions for new platforms and mission profiles outside Shield AI's established portfolios—including space (satellites, missile defense), maritime (USV and UUV integration), and contested logistics (unmanned helicopters and related autonomous resupply platforms). Full-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location.
NewUX Designer System OneUX DesignerWashington, DC$95,000–$100,000 / yearThe UX Designer will create intuitive, user-centered designs for DOD enterprise applications, focusing on usability, accessibility, and visual appeal. Document all design artifacts (wireframes, style guides, workflows) in contract management tools and obtain approvals through DOD governance processes.
REL System Analyst System OneREL System AnalystMerrifield, VAThis role serves as a key liaison between Service Desk, engineering teams, vendors, and business stakeholders, ensuring system stability, effective communication, and successful delivery of enhancements, advisories, and releases. The System Analyst supports Real Estate Lending (REL) technology operations by providing application support, managing incidents, coordinating with business units, and driving system.
NewSenior Engineer, Software - Autonomous Aircraft Integration (R5200) Shield AISenior Engineer, Software - Autonomous Aircraft Integration (R5200)Washington, DCFull-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. Flight Data Capture & Analysis — Manage data collection during missions and post-test analysis, working with autonomy engineers to refine behaviors and identify improvements.
Senior Enterprise Data Privacy Analyst System OneSenior Enterprise Data Privacy AnalystMerrifield, VAThe ideal candidate has hands-on experience standing up or enhancing privacy programs in the second line of defense at highly regulated financial environments and can operate strategically while also delivering practical implementation artifacts. The contractor will support the maturation of the organization’s privacy framework, governance processes, privacy risk management capabilities, regulatory compliance obligations, third?party privacy oversight, Privacy Impact Assessment (PIA)/Privacy Risk Assessment (PRA) programs, and privacy reviews of Artificial Intelligence initiatives.
NewData Network Engineer, TS/SCI and Poly Blue Sky InnovatorsData Network Engineer, TS/SCI and PolyChantilly, VA$150,000–$250,000 / yearWork closely with system developers on management and integration of system enhancements, fixes and long-term maintenance to understand impacts to the network and data delivery. If you are a qualified job seeker with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.blueskyinnovators.com as a result of your disability.
NewSenior Oracle Database Enterprise Architect System OneSenior Oracle Database Enterprise ArchitectMerrifield, VA$125,000–$135,000 / yearExperience 10+ years of IT experience, with significant experience in enterprise architecture, solution architecture, or Oracle database architecture. System One IT is staffing a direct-hire opening for a Senior Oracle Enterprise Architect with a respected systems integrator, supporting a civilian federal end-customer.
NewJourneyman Data Manager Watermark Risk Management InternationalJourneyman Data ManagerArlington, VA$100,000–$300,000 / yearMultiple considerations are taken into account when determining the final salary/hour rate, including but not limited to, Contract Wage Determination, education and certifications, relevant work experience, related skills and competencies, as well as Federal Government Contract Labor categories. Other Requirements: Ability to work 100% on-site within a Government SCIF during core duty hours.
Cloud Engineer (onsite) System OneCloud Engineer (onsite)Washington, DCThis role will work closely with senior platform engineers, cloud infrastructure, security, and application teams to provision and maintain cloud infrastructure, automate repeatable platform operations, monitor platform health, troubleshoot issues, and support secure delivery of EDP capabilities. • Provision, configure, and maintain AWS infrastructure components supporting EDP environments, including networking, compute, storage, identity and access management, and logging/monitoring services.
MOSA System Integration Lead / Architect System OneMOSA System Integration Lead / ArchitectBaltimore, MDThe advisor will help translate emerging MOSA policy into implementable guidance, governance, and practice; diagnose and address the organizational, technical, contractual, and cultural barriers to adoption; and drive genuine buy-in across a community where "MOSA" means many things to many people. The right candidate understands why MOSA succeeds or fails in practice and the gap between well-intentioned policy and real acquisition behavior and can operate credibly with senior leaders, program managers, engineers, contracting professions, and Industry.
Web & Mobile Content Developer System OneWeb & Mobile Content DeveloperMerrifield, VAIn this six-month contractor role, you will support search engine optimization initiatives by monitoring and resolving technical content issues, including identifying and addressing 404 errors, implementing redirects, auditing and enhancing internal linking opportunities, and helping modernize legacy content through the adoption of newer web components and features. The ideal candidate has a strong attention to detail, an understanding of SEO best practices, experience working within content management systems, and the ability to collaborate with content creators and digital teams to ensure a high-quality, user-friendly web experience.