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Mechanical Facility Systems Engineer; Engineer

Job in Los Alamos, Los Alamos County, New Mexico, 87545, USA
Listing for: Los Alamos National Security LLC
Full Time position
Listed on 2026-03-01
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Systems Engineer, Electrical Engineering
Salary/Wage Range or Industry Benchmark: 117200 - 195400 USD Yearly USD 117200.00 195400.00 YEAR
Job Description & How to Apply Below
Position: Mechanical Facility Systems Engineer (Engineer 2/3)

What You Will Do

Engineering Services (ES) Division applies capabilities to enable the Laboratory's scientific and national security mission. Within ES, the Science and Technology Operations (STO) Engineering Group is a multi-disciplinary organization consisting of collaborative Design and System Engineering Teams. Collectively, these teams enable the STO Facility Operations Directorate (FOD) mission across nearly three million square feet of mixed-use office, laboratory, research, and production space.

With over one hundred facilities in 11 Technical Areas, STO mission work spans the majority of Laboratory Directorates.

This position will be filled at either the Engineer 2 or 3 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if the candidate is hired at the higher level.

Mechanical Engineer 2 ($106,400 - $176,000)

  • Follow the LANL Conduct of Engineering (CoE) Program in support of facility modifications and facility configuration management
  • Interface and coordinate with other engineering disciplines and the customer(s) to assess, maintain, improve, and replace facility equipment
  • Support the installation of new and replacement equipment including review of project design details, equipment data sheets, equipment selection, calculations, installation instructions / specifications, post-modification testing and commissioning procedures, etc. to satisfy the applicable design requirements
  • Qualify as Pressure Safety Officer and support work planning, hazard control, and abnormal event responses and investigation

Mechanical Engineer 3 ($117,200 - $195,400)

  • Additional duties at the Engineer 3 level include (list is not all-inclusive):
  • Assist in defining maintenance requirements including corrective maintenance and the tracking and trending of system performance
  • Define and maintain technical baseline criteria and documents in support of facility configuration management
  • Support associated safety analyses and hazards evaluations
What You Need

Minimum

Job Requirements:

  • Combined experience related to the engineering and design of facility mechanical systems, structures and components such as boilers, compressors, chillers, pumps, piping, and HVAC systems
  • Experience in system and equipment installation and maintenance in accordance with National Codes and Standards such as ASME B31, ASHRAE, IBC, IEBC, etc
  • Knowledge and understanding of mechanical engineering principles, design guides and relevant standards
  • Knowledge of engineering work planning, design change control and coordination. Knowledge of basic project engineering practices
  • Excellent verbal and written communication

Additional Job Requirements for Engineer 3:

  • In addition to the requirements outlined above, qualification at the higher level requires
  • Progressive combined experience related to the design, installation, and maintenance of facility mechanical system, structures and components
  • In-depth knowledge of integrated systems engineering, principles, design guides and appropriate standards
  • Demonstrated ability to develop and implement interdisciplinary design solutions to complex facility and equipment installations
  • Demonstrated ability to apply project engineering practices
  • Demonstrated ability for self-directed work, planning, and prioritization
  • Demonstrated ability to mentor junior personnel

Education/Experience at lower level:

Engineer 2 requires a Bachelor of Science Degree in Engineering and a minimum three (3) years of practical experience to the degree necessary to perform the responsibilities outlined above.

Education/Experience at higher level:

Engineer 3 requires a Bachelor  Degree in Engineering and a minimum six (6) years practical experience to the degree necessary to perform the responsibilities outlined above.

Desired

Qualifications:

  • Engineering Intern Certification/Engineer-in-Training (EIT) or Professional Engineer (PE) is highly desirable
  • Demonstrated knowledge of HVAC, welding, structural, control, and sustainable designs
  • Experienced in producing designs utilizing AutoCAD and/or Revit tools and work processes
  • Familiarity with Engineering Standards and Conduct of Engineering along with industry, regulatory, or Department of Energy/National Nuclear Security Administration (DOE/NNSA) codes and standards
Work Environment

Work Location: The work location for this position is onsite and located in Los Alamos, NM. All work locations are at the discretion of management.

Position Commitment

Regular appointment employees are required to serve a period of continuous service in their current position in order to be eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the time required, they may only apply for Laboratory jobs with the documented approval of their Division Leader. The position commitment for this position is 1 year.

Note

to Applicants

Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People  Republic of…

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