• Organization TypeService Providers
  • Staff10,000+
  • HeadquartersUnited States
  • Founded1979
Today, System One stands as one of the largest professional staffing firms in the U.S. with more than 7,000 employees and consultants hard at work every day from more than 50 offices and hundreds of client locations. That’s just the beginning of the story… More than a staffing agency The term “staffing agency” only scratches the surface of how they support employers to get work done more efficiently and economically. For over 35 years, they’ve evolved and expanded to delivery these staffing, workforce solutions and integrated services: A full suite of staffing, recruiting and workforce solutions: contract and direct hire staffingmanaged staffing programs and more Integrated services: quality solutionsmanaged IT servicesequipment serviceslegal discovery and more Diversifying for success System One’s legacy businesses exclusively served energy and industrial markets. Now their delivery spans many sectors, including energy, engineering, information technology (IT), professional, commercial, healthcare & scientific, legal and beyond.  View their specialties. A company of experts investing in “yes” Of course, they couldn’t have gotten this far without the trust of their clients and talents of their people. These collaborative partnerships prompt us to ask questions like: “How can we do it better?” “What if we tried something different?” “What’s in the best interests of all parties?” These challenges have made us who they are — a company of dedicated professionals ready to support your staffing and recruiting requirements. Because they say yes and invest in the future, they push the boundaries of innovative workforce management and accomplish what other staffing agencies can’t deliver. System One at-a-glance and rankings based on SIA’s 2017 Largest Staffing Firms in the US 22nd Largest Staffing Firm in the US 3rd Largest Engineering Staffing Firm in the US 6th Largest Legal Staffing Firm in the US 10th Largest Scientific & Clinical Staffing Firm in the US Over 7,000 consultants on assignment Over 50 US office locations

Where is System One
    Location of open jobs


    Job openings over the past year

    1Total posted jobs

    Examples of past jobs

    • Global Health Associate
      South Africa, United States

    Staff at System One have experience in


    • monitoring / evaluation
    • procurement process
    • performance measurement
    • technology implementation
    • personnel / human resources


    • acumen


    • united states
    • philippines
    • afghanistan
    • worldwide
    • ukraine


    • managerial experience
    • business development
    • experience in recruitment
    • international experience
    • with experience in conflict areas

    Contact System One

    Former staff

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    Company Offices
    • United States (headquarters)
    • Pittsburgh
    • 210 Sixth Avenue Suite 3100