Us Citizen Jobs

CGS is hiring a Relativity Archiving Analyst to evaluate, archive, and restore Relativity workspaces and file-share data for government clients while documenting processes and resolving archiving issues.

Experienced Mainframe Developer needed for a fully onsite role in Dallas/Austin to support COBOL/CICS systems—U.S. citizens only.

Soft Tech Consulting is hiring a SolarWinds Engineer to install, configure, and operate SolarWinds monitoring across a large enterprise in the Franconia/Springfield (Alexandria) VA area, requiring US citizenship and Top Secret clearance.

Sila seeks an experienced Account Manager to lead commercial engagement and account strategy with OEMs and cell makers in defense and emerging technology markets.

Experienced UI/UX developer needed to create responsive, user-centered Angular interfaces for DHS enterprise applications in a hybrid, Agile environment (US citizens only).

Lead the end-to-end development of advanced spaceflight mechanical and thermal hardware at IRPI, owning design, prototyping, test, and qualification for life-support and spacecraft subsystems.

Hypergiant is hiring a Senior Fullstack Developer to design and implement cloud-native, AI-integrated React applications for DoD command-and-control systems (US-citizen, clearance-eligible required).

Sargent & Lundy is hiring a Senior Automation & Control Systems Engineer to design, program, test, and commission PLC and SIS solutions supporting DOE and national lab projects.

Senior national security advisor needed to lead CFIUS monitorships, audits, risk assessments, and cross-regulatory compliance projects for public- and private-sector clients.

Semperis is hiring a Security Engineer in Dallas to lead detection and response efforts, build scalable security monitoring and automation, and drive incident investigation across multi-cloud environments.

Senior NetSuite Systems Integration Consultant needed to lead end-to-end R2R implementations and integrations onsite in Chicago for a long-term contract.

Build and own full stack PWA and AI-enabled systems for defense and logistics at Reveal Technology, a Series B startup supporting mission-critical field operations.

Accenture Federal Services is hiring an SAP ABAP Developer to deliver S/4HANA Procure-to-Pay solutions for U.S. federal customers.

Experienced software architect needed to design, deploy, and scale standalone sub-systems while owning CI/CD, DevOps tooling, and technical decision-making for a federal-focused team.

Lead systems engineering lifecycle activities and governance for complex programs, ensuring traceability, verification, and process standardization across the enterprise.

Join Sift as a Senior Frontend Engineer to build scalable, high-performance data visualization UIs and component libraries for real-time telemetry used by hardware and spacecraft teams.