Senior IT Support Technician Amentum • Chantilly, Virginia •

PERMANENT

Updated 08/2026 Job Description Job Summary Amentum, a global leader in advanced engineering, technical, and professional services serving the US government, allies and critical infrastructure sectors, is seeking an Senior IT Support Technician to support a government contract based on the island of Diego Garcia.

PURPOSE / SCOPE

The Senior IT Support Technician is responsible for providing advanced Windows/server support and touch labor; supports remedy ticketing and troubleshooting; assists remote help desk in providing workstation/PC hardware installation, configuration and maintenance; supporting user applications and troubleshooting; and other duties as assigned all while ensuring successful performance and compliance with Performance Work Statement (PWS), Program, USG, and international requirements and guidelines. Ensures compliance with standard management practices including but not limited to monitoring, records keeping, report preparation, training, inspections, data reporting, etc. Will perform other duties as assigned. The Senior IT Support Technician will be available for on-call support as needed 24 hours/day, 7 days/week in this role.

QUALIFICATIONS

Associate's degree in computer science or electrical engineering Five (5) years experience in a Microsoft® operating environment with field experience in personal computer (PC) hardware installation, configuration and maintenance certifications: IAT-2: Security + or GSEC or SCNP or SSCP (Senior IT Support Technician must meet requirements outlined in the

DOD 8570.1M

directive matrix IAT-1) Knowledge of Microsoft Window® Server, Microsoft® Exchange, Microsoft Window® XP Professional, Microsoft® Office Professional, IBM Tivoli, BMC Remedy, UNIX and Linux Strong interpersonal skills Three (3) years experience in a leadership role in an austere OCONUS environment with a multi-national workforce Must be familiar with current global, US, Program and PWS requirements Excellent organizational and time management skills Ability to obtain and maintain a US passport and drivers license throughout employment in this role Passport must be valid for a minimum of one (1) year or more at the time of hiring Ability to successfully pass the medical contract requirements and maintain compliance throughout the duration of deployment Must be able to obtain and maintain a Secret US Government Clearance.

Note:

US Citizenship is required to obtain a Secret Clearance Ability to obtain country-specific visas as required by the U.S. Department of State Foreign Clearance Guide

WORK ENVIRONMENT, PHYSICAL DEMANDS

Able to stand for long periods of time such as eight (8) to ten (10) hours, bend, kneel, and reach to store/retrieve supplies Able to lift, carry, and push supplies and boxes up to 50 pounds Living and working conditions at the assignment location could be remote and uncomfortable May work in a typical office environment This position is located on Diego Garcia, British Indian Ocean Territory (BIOT), a remote overseas location supporting U.S. Government operations. Employees may work in offices, industrial warehouses, ports, airfield, and outdoor environments and may be exposed to high temperatures, humidity, inclement weather, noise, dust, and uneven terrain. Work schedules may include evenings, weekends, holidays, and extended hours based on operational requirements.

PHYSICAL REQUIREMENTS

Requirements may include prolonged sitting, standing, walking, climbing stairs, and working in both indoor and outdoor environments. Must be able to meet all medical, security, and deployment requirements associated with assignment to a remote overseas location. ​

OTHER RESPONSIBILITIES

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams. Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities. Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to job. This position is pending contract award. Job and company information not to be copied, shared, scraped, or otherwise disseminated without explicit consent of JSfirm, LLC.