Centerra Group LLC.

Rangemaster Armorer

Job ID
Security Services - Armorer


Centerra Group, LLC. is the world’s leading international government solutions group, specializing in sectors where security, safety and mitigation of operational risk are considered strategic necessities. Centerra has evolved beyond security and fire support services, and continues to diversify and expand offerings primarily through organic growth and select targeted acquisitions. Centerra is now recognized as a major provider of integrated facilities support services for government and top commercial customers. Centerra’s lines of business include Security, Nuclear Surety, Fire and Emergency Services, Base Operations Support (BOS), Facilities, Fleet, Construction and Training services.

Centerra is seeking a Rangemaster Armorer to work at our Livermore, CA location.

EOE Minority/Female/Veteran/Disability/Sexual Orientation/Gender Identity. Centerra is an Equal Opportunity/Affirmative Action Employer and a Drug-Free Workplace.


The Range Master / Armorer position is responsible for the oversight of the Live Fire Range operations. They are responsible for Firearms Training including curriculum development for firearms and act as a Firearms Instructor. Oversees firearms and ammunition storage, maintenance, issue and inventory. The Armorer is responsible for inspecting, maintaining, and repairing all Protective Force firearms. In addition, they conduct semi-annual firearms inspections, maintain Firearms Inspection Records as well as tag-out and test fire records, maintain Dye Marking Cartridge (DMC) weapons and conduct annual duty ammunition change-out. In addition, they abide by all WSI policies and keep the Training Manager informed of events and issues within the program.


Prior experience maintaining small arms weapons is required. Certified in the safe and proper handling of hazardous waste.
Strong writing and communication skills. Capability to balance a variety of priorities and tasks. Strong organizational skills.
High school diploma or equivalent required
Training from a recognized agency, school, military, or federal service school in the handling and maintenance of small arms including:
•NTC Armorer Training (re-certification every three years)
•Factory Armorer Training (GLOCK) (re-certification every three years)
•Factory Armorer Training (H&K 416) (re-certification every three years)

Recommend successful completion of the following NNSI/NTC training courses prior to or with in eighteen months of assignment to this position:
•Curriculum Development Training (MIT-210)
•Job Analysis (MIT-120)
•Basic Instructor Training (MIT-111)
•Firearms Instructor Certification (PFT-401)

Must be physically fit and able to work extended hours and weekends on occasion as required. Must be able to safely move, lift, and carry 25 pounds. Subject to random drug testing. Must adequately assess and manage emergency situations.


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