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HVAC Technician

Pyeongtaek, KOR; Pyeongtaek; Pyeongtaek,; South Korea
Full Time On-site

Summary

Job Description

Amentum is seeking a Journeyman/Junior level HVAC Technician to support the military facility in Pyeongtaek, South Korea. He/she will perform the full range of work involved in the repair, overhaul, maintenance, and servicing of heating, ventilation and air conditioning units and systems.

Duties and Responsibilities:

  • Work with a wide variety of commercial and industrial systems to include those which require that the employee troubleshoots, installs, repairs, and modifies special purpose air conditioning, refrigeration, or climate regulations systems used to provide specific, critical conditions.
  • Using the Reliability Centered Maintenance Methodology, performs preventative maintenance services, repairs, modifies, and alters unusually complex or unique air conditioning and refrigeration systems in order to maintain full system(s) designed operational capabilities and maintain specific pressure, temperature, and climate characteristics.
  • Works with engineering or scientific personnel to discuss plans, modifications, and user needs. Reviews available plans, specifications, or drawing; determines the size, shape, and location of equipment; plans and installs installations to meet conditions of experiments or tests.
  • Troubleshoots and repairs equipment such as that above for which specifications and technical manuals do not exist or have large gaps.
  • Tests installed, modified, or repaired systems to ensure that critical specifications and equipment performance requirements are met.
  • Will act as the lead HVAC-R Technician on their assigned shift; Trains inexperienced personnel by giving on-the-job instructions and assistance.
  • Other duties as assigned; the successful candidate will be working as part of a small multi-functional trade team and will be required to assist other tradesmen if/as needed to accomplish contract required work.

Requirements

  • Minimum 5 years’ experience supporting large buildings, preferably in an overseas environment.
  • Must have a Journeyman's License as issued by one of the U.S. States or have a minimum of 5 years’ relevant experience with complex HVAC-R systems
  • Must have relevant, or closely related experience, with large water chiller systems, cooling towers, CBRNE filter systems, smoke evacuation systems, CO2 scrubbing systems, automated intake louvers and screens, Direct Digital Control (DDC) systems, and calibrating Building automation sensors.
  • May be required to prepare instructional material and conduct instruction of operators.
  • Possess good verbal and instructional skills, employee will be assigned an apprentice and will be required to mentor/train personnel in accordance with training program.
  • Able to multi-task and work in a fast paced, dynamic environment; and establish rapport with all levels of the organization.
  • Work well as part of a team and independently and can handle issues with tact and diplomacy.
  • Must have a Secret or TS/SCI clearance at time of application.

About Amentum

Amentum

Amentum is one of the largest government services and engineering companies supporting the U.S. military, intelligence community, and federal agencies. Headquartered in Virginia with more than 50,000 employees worldwide, Amentum delivers mission-critical support across defense, cybersecurity, engineering, logistics, intelligence, aviation, nuclear, and space operations. The company plays a major role in helping government agencies solve complex national security and infrastructure challenges.

For job seekers, Amentum offers a wide variety of career opportunities across engineering, cybersecurity, intelligence, logistics, IT, aviation maintenance, program management, and cleared government support roles. The company is especially attractive to veterans, transitioning military personnel, and security-cleared professionals looking to continue supporting national security missions while building long-term career stability. Amentum also has a strong reputation for career mobility, education support, and mission-focused work across hundreds of federal programs.

Unlike many companies focused on a single niche, Amentum supports a broad range of high-impact missions—from military readiness and intelligence operations to NASA programs, cyber modernization, and critical infrastructure support. Employees often work on programs that directly support the Department of Defense, intelligence agencies, and federal civilian missions, creating opportunities to build diverse experience while contributing to meaningful national security outcomes.

As government investment continues to grow in cyber, space, engineering, and mission modernization, Amentum remains one of the strongest employers in the government contracting sector. For professionals seeking a stable, mission-driven career with opportunities for advancement, technical growth, and meaningful impact, Amentum continues to stand out as a top employer in defense and federal services.

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