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System Engineer; Nuclear Facilities Engineer

Job in Los Alamos, Los Alamos County, New Mexico, 87545, USA
Listing for: Los Alamos National Security LLC
Full Time position
Listed on 2026-06-21
Job specializations:
  • Engineering
    Electrical Engineering, Systems Engineer, Engineering Design & Technologists, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 153600 - 266500 USD Yearly USD 153600.00 266500.00 YEAR
Job Description & How to Apply Below
Position: System Engineer (Nuclear Facilities Engineer 3/4)

What You Will Do

This position will be filled at either the System Engineer ¾ (Nuclear Facilities Engineer 3 or
4) 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.

System Engineer Level 3

System Engineer Level 3 ($128,000 - $215,900)

As a System Engineer with Engineering Services, you will serve as the owner's representative for engineering for your assigned facilities. You will interface with design teams, maintenance, and operations, shaping LANL's facilities and infrastructure to serve the needs of a growing and changing portfolio. The Level 3 role includes the following job opportunities:

  • Support WFO as a Pressure Safety Officer (PSO) or Electrical Safety Officer (ESO).
  • Conduct pressure safety calculations.
  • Thorough knowledge of ASME.
  • Provide control and maintenance of the technical baseline of the facility equipment.
  • Ensure that facility system configuration is managed effectively using a risk-based graded approach.
  • Follow the LANL Conduct of Engineering (CoE) Program in support of facility modifications and facility configuration management in accordance with the LANL Engineering Standards Manual (ESM), LANL Administrative Procedures (Aps), LANL Master Specifications, and related Codes and Standards.
  • Assist in defining maintenance requirements involving corrective maintenance and the tracking and trending of system performance.
  • Review design outputs for impact to technical baseline and master equipment lists.
  • Perform regular facility system walkdowns and Facility Health Reports.
  • Provide information for preventative maintenance schedule.
  • Mentor lower-level System Engineers.
  • Review IWDs.
  • Source of expert knowledge of assigned facilities.
  • Provide technical interface to existing facility systems and components.
  • Control and maintain the master equipment list (MEL) for assigned facilities.
  • Support configuration management.
System Engineer Level 4

System Engineer Level 4 ($153,600 - $266,500)

In addition to the requirements outlined above, qualification at the higher level requires:

  • Extensive knowledge and experience in nuclear facility engineering processes, maintenance techniques, work planning and control development, Quality, Safety Basis and other Nuclear Facility safety management programs. Demonstrated experience working with industry, regulatory, or DOE/NNSA complex codes, standards, and criteria pertinent to the nuclear facility engineering discipline. Including Expert knowledge of nuclear facility engineering principles and procedures, guides, and administrative practices.
  • Extensive knowledge of and demonstrated technical experience in preparing and reviewing technical reports and studies as part of establishing and maintaining Technical Baseline for new and existing facility structural systems.
  • Extensive knowledge of and demonstrated technical experience in defining and collecting metrics on the usage, process, safety, and other parameters of interest for the structure, system, or components.
  • Extensive knowledge of and demonstrated technical experience in defining or establishing design or analysis tasks and prepare design concepts that meet both the regulatory and performance requirements for systems and equipment.
  • Extensive knowledge of and demonstrated technical experience in developing design details, design or analysis calculations, load studies, specifications, and special inspections that incorporate the applicable design requirements, including nuclear safety requirements, as applicable.
  • Extensive knowledge of and demonstrated technical experience in evaluating and trending system health.
  • Demonstrated ability to interface and coordinate with other engineering disciplines and the customer during the development of the design as the Mechanical SME.
  • Demonstrated ability to mentor engineering interns and other engineers.
What You Need

Minimum

Job Requirements:

  • Demonstrated broad-based, engineering experience with projects or facilities involving design for new facilities and facility modifications.
  • Minimum 6 years working experience with engineering principles, codes, and standards.
  • Demonstrated ability to mentor early career engineers.
  • Demonstrated ability to articulate engineering and maintenance concepts through various oral and written communication media, using a diverse range of technical and business acumen.

Additional Job Requirements for System Engineer 4:

In addition to the requirements outlined above, qualification at the higher level requires:

  • Minimum 12 years of experience in engineering or facilities work.
  • Minimum of 12 years of experience in engineering work planning, budgeting, and design coordination.
  • Demonstrated broad and/or unique expert knowledge of engineering systems, applications of engineering methods, and application technology aided engineering tools to conventional and non-conventional facility and operations-based engineering problems.

Education/Experience at lower level: Position…

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