(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.
IT QA Engineer - SDET System OneIT QA Engineer - SDETMerrifield, VAYou will play a key role in building scalable automation frameworks, improving testing processes, and integrating AI-enabled capabilities to accelerate test creation, optimize regression testing, enhance defect analysis, and improve overall quality outcomes. The engineer will build automation frameworks, execute multiple types of testing, integrate testing into continuous delivery pipelines, and collaborate with engineering, product, and design teams to improve software quality.
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.
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.
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.
IT Contracts Manager System OneIT Contracts ManagerMerrifield, VAThe individual will work closely with business units, procurement, legal counsel, and vendors to develop acquisition strategies, conduct cost analyses, negotiate terms and pricing, manage contract modifications, and provide guidance on contractual and risk-related matters. The position involves drafting, reviewing, negotiating, and administering contracts while ensuring favorable pricing, minimizing risk, and aligning vendor agreements with business objectives.
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.
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.
NewMobile Developer System OneMobile DeveloperMerrifield, VAMobile Developers are embedded within cross-functional Agile teams and play a critical role in delivering secure, reliable, and user-friendly digital experiences to millions of members. This role involves technical execution, platform advocacy, and collaboration across disciplines to ensure high-quality mobile solutions aligned with business goals and member needs.
System Administrator System OneSystem AdministratorAnnapolis Junction, MD$150,000 / yearThis role is ideal for someone who enjoys hands-on troubleshooting, optimizing system performance, and working closely with engineering and operations teams to keep essential infrastructure reliable and available. This team includes professionals who specialize in platform , network , and storage engineering—but everyone is expected to contribute to core Linux system administration and operational sustainment work.
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.
NewA/V Lead System Integrator System OneA/V Lead System IntegratorWashington, DC$130–$150 / yearAdditional preferred certifications: Crestron Certified Programmer or equivalent manufacturer certification, Microsoft Teams Rooms certification or equivalent, Extron Control Professional certification, CompTIA Security+ or equivalent. Oversee integration of A/V systems with CLIENT's enterprise IT infrastructure, including Microsoft Teams Rooms, network connectivity, and endpoint management.
NewSenior Application Developer (AWS/Python) onsite System OneSenior Application Developer (AWS/Python) onsiteWashington, DCSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Implement comprehensive logging, monitoring, and audit trails (CloudWatch, CloudTrail).
Software 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.
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.
Mid - Senior Level Software Development Engineer in Test System OneMid - Senior Level Software Development Engineer in TestMerrifield, VAAs a member of this team your role will be a Software Development Engineer in Test (SDET) working in a Scrum environment, you will test software applications and features using test suites and scripts, perform anomaly reporting, software analysis, develop automated software test packages using various technologies, perform functional and performance testing. Experience with Test processes, open-source test frameworks, test design strategies, writing test cases, and automating tests in Java with frameworks like JUnit/TestNG, Selenium, JMeter and Appium.
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.
NewSOFTWARE ASSET MANAGER - SAM PRO EXPERIENCE REQ System OneSOFTWARE ASSET MANAGER - SAM PRO EXPERIENCE REQVienna, VA$45–$60 / hourStrong knowledge of Software Asset Management lifecycle processes, including software licenses, entitlements, and renewals. Assist in managing Software Asset Management (SAM) processes across various platforms, primarily focusing on ServiceNow.
NewPalo Alto Firewall Engineer System OnePalo Alto Firewall EngineerSpringfield, VA$80 / hourDeep practical knowledge of legacy Gen 2/Gen 3 Palo Alto hardware, including PA-3000 and PA-5000 series platforms, legacy CLI, hardware troubleshooting, and line-card replacements. Advanced understanding of BGP, OSPF, IPSec VPNs, NAT, TLS/SSL, mutual TLS (mTLS), HTTP, SAML, OAuth, OCSP revocation, DoD PKI, Kerberos, LDAP, and Active Directory.
Lead AWS Cloud Platform Engineer - IaC / Automation / SRE System OneLead AWS Cloud Platform Engineer - IaC / Automation / SREReston, VA$109.05 / hourThis role is for a senior engineer who can provision AWS infrastructure with IaC and jump into production troubleshooting , log/metrics review, and root-cause analysis alongside application and architecture teams. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.