System One Holdings, LLC IT - Software Jobs

RHEL Systems Administrator (Cameo Administrator) Top Secret Clearance required Must be TS/SCI eligible Must be IAT Level II certified Ft. Washington, MD Position Overview: We are seeking a LINUX A...

Security Clearance: Must be able to obtain Public Trust Job Summary : The Senior Integrator will provide systems integration and systems administration support for Operations and Maintenance (O&M) a...

Principal Full Stack Infrastructure Engineer Dulles, VA - onsite Secret Clearance is required to start This role involves contributing to the design, development, and deployment of advanced cyberse...

Principal Full Stack Developer Dulles, VA - onsite Secret Clearance is required to start This role involves contributing to the design, development, and deployment of advanced cybersecurity capabil...

Full Stack Infrastructure Engineer Dulles, VA - onsite Secret Clearance is required to start This role involves contributing to the design, development, and deployment of advanced cybersecurity cap...

Mid-Level MySQL and PostgreSQL DBA 100% ONSITE New Jersey Ave Washington DC 20590 (5 days per week) Start Date- 1/19/2026 Per Federal contract - U.S. Citizenship or Greencard Required Must be able to ...

SailPoint Developer Fort Belvoir, VA - hybrid (2-3 days a week onsite) Secret Clearance is required to start Must be Security+ certified SailPoint Developer Role requires Java Development Experience...

Systems Administrator Quantico, VA - 100% onsite TS/SCI clearance is required Major Duties & Responsibilities: •Plan, install, and maintain computer systems, including physical and virtual servers, s...

Atlassian Developer TS/SCI Clearance is required Hybrid 2-3 days a week in Arlington or Alexandria Salary: $140,000-$230,000/year We are seeking a highly skilled Atlassian JIRA & Confluence Speci...

Software Developer – Oracle Cloud & Microsoft Azure Fort Meade, MD - ONSITE TS/SCI clearance Lifestyle Poly We are seeking a highly skilled and security-cleared Software Developer to support mission...

If interested reach out directly to kspicer@altaits.com or call/text 301-252-8762 Direct Hire Washington DC Salesforce Developers/ Administrators Onsite - DOJ - Wash, DC (possibly some remote depen...

SOFTWARE ENGINEER 3 – MATLAB C++ PYTHON Active Clearance Required: TS/SCI with Full Scope Polygraph Annapolis Junction, MD - Onsite ALTA IT Services has a direct hire opening for a Software Engineer ...

SOFTWARE INTEGRATION ENGINEER – LINUX CLI Active Clearance Required: TS/SCI with Full Scope Polygraph Annapolis Junction, MD - Onsite ALTA IT Services has a direct hire opening for a Software Integrat...

SOFTWARE ENGINEER 2 - DEVOPS ENGINEER Active Clearance Required: TS/SCI with Full Scope Polygraph Annapolis Junction, MD - Onsite The DevOps Engineer shall be part of a team responsible for developin...