System One Holdings, LLC IT - Software Jobs

Master Project Scheduler, STEM Bachelors Direct Hire On-Site: Falls Church, VA, Mon to Fri Annual Salary: Up to $185,000 annually, plus benefits. Commensurate with experience. Work expected to begin...

Job Title: Senior Systems Engineer Location: Huntsville, AL Type: Direct Hire Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Top Secret and willing to sit for CI Poly Contact: Crystal.din...

Job Title: AI/ML Solutions Architect Location: McLean, VA Type: Contract To Hire Work Model: Onsite Hours: 40.0 Clearance: Must be able to obtain a Federal or DoD Public Trust clearance Contact: Cry...

Job Title: Software Developer (CNO) Location: Fort Meade, Maryland Type: Contract To Hire Work Model: Onsite Security Clearance: TS/SCI CI Poly Contact: Crystal.dinnocenti@systemone.com RESPONSIBILIT...

ServiceNow developer Suitland, MD – 2-3 days/week onsite TS/SCI clearance is required Job Description: As the top-ranked ServiceNow solution provider, we offer federal agencies the deepest capabili...

Data Architect (2 openings) 6-month contract to hire Remote, Greenbelt, MD-based customer Bachelor's Degree + 10 years’ experience= $68/hr. W2 during the contract. $135,000/year conversion Bachelor...

MUST BE LOCAL TO ONE OF THE LOCATIONS BELOW FOR AN ONSITE, PANEL WITH WHITE BOARD INTERVIEW Job Title: Senior Front-End Engineer Location: Hybrid reporting to Vienna or Winchester, VA, Pensacola, FL ...

MUST BE LOCAL TO ONE OF THE LOCATIONS BELOW FOR AN ONSITE, PANEL WITH WHITE BOARD INTERVIEW Job Title: Senior Front-End Engineer Location: Hybrid reporting to Vienna or Winchester, VA, Pensacola, FL ...

Python Full Stack Developer Suitland, MD – 2-3 days/week onsite TS/SCI clearance is required Stack: Python/Django, React/Next.js, PostgreSQL/Aurora, AWS (multi-partition), Terraform, GitLab CI/CD, K...

Job Title: Senior Collaboration Platform Designer Location: Washington, DC Type: Contract $47 per hour Work Model: Onsite – onsite Hours: 40.0 hours/week Security Clearance: Active public trust and/or...

Job Title: C/C++ Software Developer Location: Bossier City, LA – onsite Job Type: Full Time/Salaried Security Clearance: Active secret clearance OR previously held secret clearance preferred, must h...

Senior Consultant – Revenue Cycle Technology MEDITECH Location: REMOTE Contract to hire Clearance: Must be able to obtain US Public Trust Contact: Crystal.dinnocenti@systemone.com SUMMARY: •Hands...

UI/UX Web Designer Quantico, VA – 1 day a week onsite Secret clearance is required to start Must be able to get Top Secret This position is for a user interface and experience designer to support the...

Job Title: Kafka Administrator Location: Washington, DC Type: Direct Hire / Salaried Work Model: Hybrid – 3 days onsite Security Clearance: Must hold active Secret security clearance Job descriptio...

C/C++ Real-Time Embedded Software Engineer 12-month+ Contract On-Site Grand Prairie, TX Active Secret Clearance Required Candidate must be able to work on-site full-time. W2 Hourly Rate: $85/hr. to ...

Cloud Service Desk Engineer Contract to Hire Bid Support- Start expected mid-August 2026, if awarded Clearance – Active Top Secret required Remote Rate: $55/hr. to $70/hr. commensurate with experience...

Job Title: AWS Cloud Data Engineer Location: McLean, VA Type: Long-term contract Work Model: Remote Hours: 40.0 Security Clearance: Ability to obtain a Federal Public Trust clearance Contact: Crystal...

Job Title: Scrum Master Location: McLean, VA Type: Long-term contract Work Model: Remote Hours: 40.0 Security Clearance: Ability to obtain and maintain a federal Public Trust clearance Contact: Crysta...

Job Title: Senior Mission Systems Software Engineer (C++/C#/Rust) Location: Fort Worth, Texas Type: Contract To Hire Contractor Work Model: Onsite Hours: 40 hours per week Security Clearance: Active ...

.NET Developer Direct Hire 15% Clearance Requirement: Secret Clearance Portsmouth Naval Shipyard (PNS) maintains an on-premises SharePoint 2016 farm hosting several custom C# .NET solutions accessibl...