Philadelphia, PA, USA · Large
Day & Zimmermann's Federal Workforce & Staffing Services Group supplies security-cleared personnel to government contractors across disciplines including engineering, IT, intelligence analysis, linguistics, and logistics. The company has worked with the federal government since 1901 and operates from more than 150 locations worldwide, with staffing experience spanning CONUS and OCONUS operations.
Chantilly, VA, USA · Large
SOC LLC, a Day & Zimmermann company, provides cleared staffing and security workforce solutions to prime government contractors and federal agencies, including hiring support for Worldwide Protective Services (WPS) positions posted on its own careers pages. It also staffs technical engineering, IT, intelligence, and logistics roles through contract, contract-to-hire, and direct-hire placements.
Arlington, VA, USA · Large
ManpowerGroup Public Sector sources, recruits, and hires local national and expatriate talent for U.S. government contractors operating overseas, covering IT, language services, engineering, and administrative roles. The division has supported projects across multiple combatant command regions, including EUCOM, CENTCOM, and SOUTHCOM areas of responsibility.
Reston, VA, USA · Large
SOSi (SOS International LLC) is a founder-owned defense and government services integrator that directly hires personnel for overseas missions spanning language services, logistics, ISR, and facilities and life-support work. Founded in 1989 and based in Reston, Virginia, it operates from more than two dozen locations globally.