Job Title: HVAC Engineer Location: Richland , Washington Type: Direct Hire Compensation: $126,000 - $171,000 annually Contractor Work Model: Onsite System One is hiring HVAC Engineers for direct, full-time roles supporting engineering projects across t...

Job Title: Machine Guarding Project Lead Location: Richland, Washington Type: Contract Compensation: $50–$60 per hour Work Model: Onsite – onsite Hours: 40.0 System One is seeking an experienced Machine Guarding Project Lead to support a special projec...

CNC Machinist Richland, WA (Onsite) System One | Full-Time | 40 Hours/Week | Contract-to-Hire System One is seeking a CNC Machinist to join our team in Richland, WA. This is an outstanding contract-to-hire opportunity for a skilled machinist looking to...

Job Title: Plant Integration Engineer – Steam & Power Systems Location: Bellevue, WA Type: Contract Compensation: $56.00 - $96.00 per hour Work Model: Onsite – onsite Overview Responsibilities Provide technical integration and oversight for Energy Isla...

Job Title: Sr Cyber Security Engineer Location: Washington, DC Type: Contract Compensation: $79.55 Work Model: Hybrid Hours: 40.0 Responsibilities Install, configure, and customize SailPoint Identity IQ (IIQ) to support Governance Policies and procedur...

Job Title: Plant HR Generalist Location: Washington, IN Type: Direct Hire Work Model: Onsite Responsibilities Participate in the resolution of conflict in the workplace, coaching and counseling supervisors on methods to improve absenteeism, turnover, a...

Job Title: Senior Safety Verification and Validation Engineer Type: Contract (12-months) Contractor Work Model: Remote About the Role: As a Senior Safety V&V Engineer, you will be instrumental in verifying and validating safety assessment models and so...

Nuclear Engineering Plant Program Specialist / Nuclear Procedure Writer Job Type: Contract - Remote Schedule: 40 hours/week System One is seeking an experienced Nuclear Engineering Plant Program Specialist / Nuclear Procedure Writer to support the deve...

Job Title: Salesforce Developer REMOTE Responsibilities Develop Lightning components in JavaScript using Lightning Web Components (LWC) and Aura frameworks, adhering to Salesforce Lightning Design System standards. Design, build, and maintain custom so...

Senior Structural Analyst Location: Remote Company: System One Pay Rate: $56.00–$95.00/hour Position Type: Long-Term Contract Position Overview System One is seeking an experienced Senior Structural Analyst to support the design and development of adva...

Subcontract Administrator III Kent, Washington Type: Contract Work Model: Onsite – onsite Hours: 40.0 Compensation: $60/hr - $80/hr Security Clearance: Must be a U.S. person as defined by applicable export control regulations System One is seeking a Su...

Buyer Sr. Location: Kent, WA (On-site) Schedule: Monday – Friday Pay Rate: $82.00/hour System One is seeking an experienced Sr. Buyer to support a leading aerospace client in Kent, WA. This role is responsible for managing procurement activities suppor...

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibiliti...

Job Title: SME Oracle APEX Developer Location: Washington, DC (Onsite) Type: Contract Security Clearance: Public Trust Responsibilities Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications...

Job Title: Database Management IV Location: Washington, DC Type: Contract Compensation: $57.52 - $66.00 per hour Work Model: Onsite Hours: 40.0 Security Clearance: Public Trust Responsibilities Install, configure, and maintain enterprise-level PostgreS...

Job Title: CAD/CAE Engineer Location: Redmond, Washington Type: 18 month contract Compensation: $50-54.84/hour depending on qualifications Work Model: Onsite – onsite Hours: 40.0 Overview Supports engineering data quality and PLM readiness by executing...

Job Title: Salesforce Performance Tester Remote Responsibilities Evaluate and ensure the scalability, reliability, and responsiveness of Salesforce applications across multiple environments. Develop and execute performance test strategies specific to S...

Job Title: Storage Engineer - IPv6 Support Location: Washington, DC Type: Contract Compensation: $41.69 - $45.00 per hour Work Model: Onsite Hours: 40.0 Security Clearance: Public Trust Clearance Overview This is a storage infrastructure role focused o...

Test Engineer (Contract) Location: Bellevue, WA or Everett, WA (100% Onsite) Company: System One Pay Rate: $52.00 - $85.00/hour Position Type: Contract Position Overview System One is seeking a Test Engineer to support cutting-edge testing and research...

Job Title: Senior Windows Server / Cloud DevOps Engineer Location: Onsite Washington, District Of Columbia Work Model: Onsite – onsite Responsibilities Own Windows Server production operations (day one), providing hands-on support for mission-critical ...

Senior Network Engineer- CCNP Active Top Secret/ SCI Clearance Required Per Federal Contract U.S. Citizenship Required Direct Permanent Hire Only 100% Onsite in Washington DC Position Overview We are seeking a Senior Network Engineer to support a high-...

Job Title: System Transients Analysis Engineer Location: Bellevue, WA Job Type: Contract Work Model: Hybrid/Onsite Preferred Overview System One is seeking a highly capable and motivated System Transients Analysis Engineer to support an advanced sodium...

Senior Application Developer (Python/Database) Washington, DC - onsite Per Federal contract U.S. Citizenship Required Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance W-2 or C2C Application Deadline...

Senior SQL Database Platform Engineer Washington DC 20006 – 100% ONSITE Per Federal contract U.S. Citizenship Required Must be able to pass enhanced background screen (criminal, financial, drug) for Public Trust clearance W-2 or C2C Application Deadlin...

Job Title: UX Designer Location: Washington, DC Type: Direct Hire Work Model: 3 days onsite Security Clearance: DOD Secret Clearance Required Role Overview: Actively searching for a UX Designer with an active DOD Secret Clearance to join our team. The ...

Job title: Buyer III Location: Kent, WA Type: Contract | On-site Schedule: 40 Hours per Week (8 Hours per Day, Monday–Friday) Compensation: 80/hour Position Overview We are seeking an experienced Buyer III to support procurement operations in a fast-pa...

Job Title: Nuclear Maintenance & Technical Training Developer / Instructor (Electrical) Location: Bellevue, WA Type: Contract (yearlong) Compensation: $56.00 - $95.00 Work Model: Fully Remote – offsite Hours: 40.0 Overview System One is seeking a nucle...

Job Title: Senior PostgreSQL Database Administrator Location: Washington, DC Type: Direct Hire Compensation: $190,000.00 Work Model: Onsite Hours: 40.0 Security Clearance: Active Top Secret with current or previously held SCI access Contact: Crystal.di...

Job Title: AWS Solutions Architect/ Cloud Engineer Location: Washington, DC Type: Contract Security Clearance: DOD(Active) Responsibilities Design and implement AWS solutions focusing on GovCloud environment, including Landing Zone build with AWS Organ...

Platform Engineer (VMware & AWS) Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain PASS federal background check for Public Trust clearance W2 with Benefits or C2C Contract Application Closing date Se...