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Field Service Representative III- EWS

First Division Consulting
Charleston, SC Full Time
POSTED ON 5/27/2026
AVAILABLE BEFORE 7/27/2026

Come Join Our Team! First Division Consulting (FirstDiv) provides program management, acquisition, logistics, field service representative, explosive ordnance disposal, and personnel support services to Department of Defense and Federal Government Agencies. We are a Small Business Administration certified Service-Disabled Veteran-Owned Small Business and a Small Disadvantaged Business. If you are looking for a company who has an overall rating on Glassdoor of 4.8 and who puts their people first, then continue to read below and join the FirstDiv team!

FirstDiv is currently seeking a Field Service Representative (FSR) III to support the United States Marine Corps (USMC) Electronic Warfare Systems (EWS) program. The FSR shall diagnose, troubleshoot, repair, and perform routine preventive maintenance and logistical management activities on all EWS and Legacy CREW systems and components. In addition, the FSR will assist with onsite Electronic Counter Measures (ECM) installation and training Marines assigned to Marine Expeditionary Units (MEUs), Explosive Ordnance Disposal (EOD) units, and other Marine Corp units / activities. This is a full-time position based in Charleston, SC.

Key Responsibilities:

  • Offer technical support to EW/RF systems end users.
  • Support repairs and maintenance on current and future EW systems.
  • Inspect, issue, recover, repair and account for individual components of the EWS system in accordance with client references.
  • Assist with the repair, maintenance, and installation of all Electronic Warfare Systems (EWS) system variants.
  • With the aid of technical manuals, install electronic equipment onto various vehicle platforms as required.
  • Utilize inventory management system tracking all logistics and work order activities.
  • Train Marine units /users on maintenance and operation of systems.

Qualifications:

  • Minimum of 2 years of maintenance/repair experience with advanced military electronic systems.
  • Sound understanding of electronics and basic EW principles.
  • Maintenance experience specific to the EW/RF family of systems with basic field maintenance experience.
  • Proficiency in system diagnostic analysis to determine and replace defective system components.
  • Strong communication skills (verbal and written) for operational feedback and reporting.
  • Experience utilizing Microsoft Office Suite and Adobe.
  • Experience utilizing CMPro and/or GCSS Marine Corps ERP databases (preferred but not required).

  • Bachelor’s degree 3-5 years minimum experience – OR – prior military with relevant experience.
  • Must possess or be able to obtain active SECRET clearance.
  • Must possess or be able to obtain a US Passport.
  • Must pass pre-employment drug screening.
  • Minimum of 20% travel annually.
  • Must work onsite, no teleworking.


Medical, dental, vision, life insurance, STD, LTD, holidays, PTO and 401(k) plan with company match.

FirstDiv is an equal opportunity employer. We are committed to providing equal opportunity to all applicants and employees in full compliance with all applicable state and federal laws prohibiting discrimination on the basis of race, color, age, gender, sexual orientation, gender identity and/or expression, religion, national origin, disability, protected veteran status, or any other class protected by applicable state or federal law.

Salary.com Estimation for Field Service Representative III- EWS in Charleston, SC
$62,943 to $77,111
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