Demo

Principle Nuclear Engineer - SME 3

COMPA Industries, Inc.
Los Alamos, NM Contractor
POSTED ON 12/9/2025 CLOSED ON 1/9/2026

What are the responsibilities and job description for the Principle Nuclear Engineer - SME 3 position at COMPA Industries, Inc.?

Principal Nuclear Engineering (Subject Matter Expert – Level 3)

Client: Los Alamos National Laboratory (LANL)

Location: Los Alamos, New Mexico

Citizenship: U.S. Citizenship Required

Clearance: Must be able to obtain and maintain a DOE Q-level security clearance

Work Schedule: Full-time, Onsite Only

Salary: $120/hr – $130/hr

🚫 Mandatory Experience Requirement – Read Before Applying

Candidates must meet all of the following criteria to be considered:

  • U.S. Citizenship (mandatory for Q-clearance eligibility)
  • Bachelor’s degree and a minimum of 10 years of technical or engineering management experience, OR an equivalent combination of education and experience
  • Expert-level knowledge of engineering codes, standards, and requirements used in nuclear and DOE/NNSA environments (e.g., ASME, NQA-1, IEEE, NFPA, NEC, IBC, IEBC)
  • Demonstrated experience leading multi-disciplinary engineering teams in nuclear or high-hazard facilities

Applications missing any of the above qualifications will not be considered.

Impact

As a Principal Nuclear Engineering professional (SME-3) at LANL, you will serve as a senior technical authority guiding engineering, construction, startup, and operations/maintenance for critical nuclear facility systems.

Your expertise supports national security missions, ensures safe and compliant operations, and strengthens engineering excellence across one of the most advanced nuclear research environments in the country.

Responsibilities And Duties

  • Provide senior-level technical, operational, and management guidance to PFE-DO and associated engineering teams.
  • Direct daily tasks and engineering activities supporting design, construction, startup, and O&M for nuclear facility systems, structures, and components.
  • Interpret and enforce DOE/NNSA standards, regulatory codes, and engineering criteria (ASME, NQA-1, IEEE, NFPA, NEC, etc.).
  • Lead and oversee 30%/60%/90% design package development, reviews, and approvals.
  • Deliver independent technical assessments and expert recommendations for high-hazard, high-consequence engineering issues.
  • Develop, implement, and enforce engineering work standards, quality expectations, and organizational objectives.
  • Support schedule development and review cost and schedule estimating activities (including P6, MS Project, EVMS methodologies).
  • Lead multi-disciplinary engineering teams to solve complex technical challenges in nuclear facilities.
  • Conduct root-cause evaluations and provide senior-level engineering insights to improve facility performance and safety.
  • Interface with management, customer representatives, and project stakeholders to evaluate organizational performance and identify improvements.
  • Drive process improvement initiatives and support continuous advancement of engineering systems and operations.

Minimum Qualifications

  • Bachelor’s degree and 10 years of engineering or technical management experience, OR an equivalent combination demonstrating senior engineering expertise.
  • Expert knowledge of nuclear facility engineering requirements, DOE/NNSA regulations, and national engineering codes/standards.
  • Proven ability to direct, coordinate, and advise multi-discipline engineering teams.
  • Skilled in schedule and cost management tools (e.g., P6, MS Project, EVMS).
  • Demonstrated success resolving complex engineering problems in nuclear or high-hazard environments.
  • Excellent written and verbal communication skills, with the ability to present technical information to leadership.
  • Ability to obtain and maintain a DOE Q-security clearance.

Desired Skills

  • Prior experience supporting DOE, NNSA, DOD, or commercial nuclear programs.
  • Senior-level experience in technical advisory, design review, systems engineering, or operational readiness.
  • Advanced knowledge of engineering design processes, system analysis, and nuclear facility operations.
  • Strong organizational leadership and process improvement capabilities.

Required

Education and Experience Requirements

  • Bachelor’s degree and minimum 10 years of relevant engineering/technical leadership experience, OR equivalent combination showing senior-level technical capability.

Why Work at COMPA Industries?

COMPA has supported national laboratories and high-security government programs for over 30 years.

We Offer

  • Competitive compensation
  • Opportunities to support national security missions
  • A collaborative, mission-focused work environment
  • Long-term career paths in nuclear and technical engineering fields

Equal Opportunity Statement

Compa Industries is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration without regard to age, race, color, religion, sex, national origin, sexual orientation, disability, or protected veteran status.

Salary : $120 - $130

Nuclear Facilities Engineer 1/2
Los Alamos National Laboratory -
Los Alamos, NM
Nuclear Facilities Electrical Engineer 3/4
Los Alamos National Laboratory -
Los Alamos, NM
Nuclear Facilities Mechanical Engineer 3/4
Los Alamos National Laboratory -
Los Alamos, NM

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Principle Nuclear Engineer - SME 3?

Sign up to receive alerts about other jobs on the Principle Nuclear Engineer - SME 3 career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
This job has expired.
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at COMPA Industries, Inc.

  • COMPA Industries, Inc. Los Alamos, NM
  • Compa Industries is searching for qualified candidates for an onsite Piping Principal Designer position in Greenville, SC . Pay: $62–$70/hr Location: Green... more
  • 13 Days Ago

  • COMPA Industries, Inc. Aiken, SC
  • Start Up Engineering Specialist (Test Engineer) Compa Industries is searching for qualified candidates for a Test Engineer position at the Savannah River S... more
  • 13 Days Ago

  • COMPA Industries, Inc. Aiken, SC
  • Compa Industries is searching for qualified candidates for a Senior Technical Editor position at the Savannah River Site (SRS) in Aiken, SC . Salary: $60/h... more
  • 13 Days Ago

  • COMPA Industries, Inc. Aiken, SC
  • Compa Industries is searching for qualified candidates for a Senior Software Engineer position at the Savannah River Site (SRS) in Aiken, SC . Salary: $80/... more
  • 13 Days Ago


Not the job you're looking for? Here are some other Principle Nuclear Engineer - SME 3 jobs in the Los Alamos, NM area that may be a better fit.

  • Global Engineering & Technology, Inc. (GET) Los Alamos, NM
  • THIS POSITION IS 100% ON-SITE IN GERMANTOWN, MARYLAND. This position provides relocation support to the Germantown area. Global Engineering & Technology (G... more
  • 1 Month Ago

  • Global Engineering & Technology, Inc. (GET) Los Alamos, NM
  • THIS POSITION IS 100% ON-SITE IN GERMANTOWN, MARYLAND. Relocation Support to the Germantown area may be provided. Global Engineering & Technology (GET) is ... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!