NewStorage Engineer - IPv6 Support System OneStorage Engineer - IPv6 SupportWashington, DC$41.69 / hourThe engineer will be responsible for maintaining storage performance, configuring SAN/NAS solutions, troubleshooting IPv6-related issues, and supporting backup and disaster recovery operations. This is a storage infrastructure role focused on managing and supporting enterprise storage environments while ensuring compatibility and connectivity across both IPv4 and IPv6 networks .
NewMOSA 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.
NewSenior System Engineer (Email Security Migration) System OneSenior System Engineer (Email Security Migration)Washington, DCResponsibilities : • Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewData & Systems Analyst System OneData & Systems AnalystMcLean, VARemoteExperience using AI-assisted tools such as ChatGPT, GitHub Copilot, Amazon Q, Claude, or Amazon Bedrock for analysis, SQL, documentation, automation, or requirements work. The Data Analyst will support the Solution Architect in analyzing, validating, modeling, and documenting data and business processes that guide modernization efforts.
Software Engineer with TS-SCI with Poly System OneSoftware Engineer with TS-SCI with PolyFort Meade, MD$97,000–$224,000 / yearBachelor’s degree in Computer Science or related discipline from an accredited college or university OR four (4) years of additional SWE experience on projects with similar software processes in lieu of degree. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Information 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.
NewLead Java Cloud Engineer (AWS, EKS, APIs & API Management) System OneLead Java Cloud Engineer (AWS, EKS, APIs & API Management)Reston, VA$81.06 / hourWe are seeking a Lead Java Cloud Engineer with strong experience designing and developing enterprise-level APIs in cloud environments. The ideal candidate has a strong Java background, experience building scalable applications, and the ability to collaborate across teams on high-visibility projects.
NewIntermediate Information Systems Specialist- Hardware Services System OneIntermediate Information Systems Specialist- Hardware ServicesWashington, DC1. At least Five years of overall IT experience, including a minimum of Five years of experience providing general desktop support with previous experience opening and maintaining support cases via enterprise IT service management, e.g. 6. At least Five years’ experience in with installing, configuring, and supporting Microsoft Windows 10/11 operating systems on laptops and desktop computers in a client/server environment.
NewSenior 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.
Technical 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 System OneSoftware DeveloperMcLean, VARemote$100,000 / hourExperience using generative AI and AI-assisted development tools to accelerate the software development lifecycle, including requirements analysis, solution design, code generation and modernization, automated testing, documentation, code review, troubleshooting, and release readiness, while applying appropriate security, privacy, governance, and human-review controls. The Software Developer will enhance and refactor legacy applications, build cloud-hosted services using modern programming languages and frameworks, and develop production-ready AI capabilities that improve information access, automate workflows, and augment user decision-making.
NewDesktop Governance Analyst System OneDesktop Governance AnalystVienna, VA5+ years of IT experience supporting desktop infrastructure technical solutions for access governance, privileged access administration, risk remediation, audit support, compliance reporting, and control validation within end-user computing operations. Support elevated access governance activities, including recurring reviews, entitlement validation, recertifications, exception tracking, evidence collection, audit readiness, and remediation follow-up.
NewApplication Integration Engineer System OneApplication Integration EngineerMcLean, VAResponsibility 2: Develop, configure, test, and support RESTful APIs, service integrations, messaging flows, data transformation logic, orchestration components, and interface services connecting legacy Java applications with cloud-native or microservices platforms. Requirement 3: Strong proficiency in Java, Spring Boot, RESTful APIs, microservices, and integration patterns, especially between Java applications and modern cloud-native platforms.
Senior 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.
Senior Network Engineer w/CCNP- Top Secret Clearance System OneSenior Network Engineer w/CCNP- Top Secret ClearanceWashington, DC$225,000 / yearThe ideal candidate will have extensive hands-on experience with enterprise LAN and WAN environments, advanced Cisco networking expertise, and a current Cisco Certified Network Professional certification . • Experience supporting complex network environments using technologies from Cisco and one or more additional vendors, such as Fortinet, Arista, Aruba, or Palo Alto Networks.
Network Deployment Engineer System OneNetwork Deployment EngineerReston, VARemote$55–$60 / hourInterface with Local Exchange Carriers and telecom providers regarding installation, testing and troubleshooting during deployments. • Plan, design, implement, and validate new Wi-Fi networks and wired Cisco, Meraki networks.
NewTechnical Systems Analyst System OneTechnical Systems AnalystArlington, VA$75–$80 / hourThe ideal candidate goes beyond requirements documentation and can effectively understand business challenges, develop technical solutions, collaborate with engineering teams, and support delivery through testing, validation, and deployment. This role serves as the key liaison between business stakeholders and technical delivery teams, translating business objectives into actionable technical requirements and ensuring successful delivery of data-driven solutions.
NewSenior 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.
NewSoftware Packaging Engineer System OneSoftware Packaging EngineerMerrifield, VAThe engineer will work closely with End User Computing (EUC), Engineering, Infrastructure, Security, and Business stakeholders to transform traditionally installed applications into virtualized FlexApp packages that improve application delivery, reduce operational complexity, and support both Virtual Desktop Infrastructure (VDI) and physical Windows environments. We are seeking an experienced Software Packaging Engineer contractor to support our client’s EUC Software Delivery Enhancements Project, a strategic initiative focused on modernizing software packaging and application delivery across the enterprise.
NewEOIR Task Order Manager/Data Architect- EDI System OneEOIR Task Order Manager/Data Architect- EDIAlexandria, VA$175,000 / yearTechnical certifications such as CDMP, AWS Certified Data Engineer, Microsoft Certified Azure Data Engineer, or AWS/Azure Solutions Architect highly preferred. • Lead the planning, initiation, and management of the EOIR Enterprise Data Infrastructure (EDI) task order, serving as the primary liaison with the Contracting Officer and Contracting Officer Representative.