What You Will Do This position will be filled at either the Nuclear Facilities Engineer 1 or 2 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. Join the Essential Balance of Plant Group (PFE-EBP) within the Plutonium Facilities Engineering Division, where your work will directly support the day-to-day operations of the Plutonium Facility-critical to our National Defense mission.Our group manages approximately 40 mechanical systems, including cryogenic systems, compressed gases, vacuum systems, circulating water, chemical supply, and more. This is a dynamic, hands-on engineering role ideal for those who enjoy being in the field, walking down systems, and staying closely connected to their operation and maintenance. If you're a proactive, detail-oriented engineer who thrives on real-world impact and technical challenges, we want to hear from you. Nuclear Facilities Engineer 1 ($94,500 - $154,600) As a Mechanical Systems Engineer 1, you'll take full ownership of your assigned systems, ensuring they operate at peak performance. You'll proactively monitor system health and collaborate with Operations, Maintenance, and other teams to troubleshoot issues and drive continuous improvement. Nuclear Facilities Engineer 2 ($104,100 - $172,200) In addition to the responsibilities at the lower level, this role requires greater independence and the ability to contribute valuable insights and experience gained from other organizations to the role. What You NeedMinimum Job Requirements: Ability to troubleshoot mechanical systems. Knowledge of design, operation, and maintenance of facility mechanical systems. Knowledge of analysis and calculations techniques to support engineered solutions. Ability to effectively communicate engineering solutions both verbally and written with management, customers, peers, and craft personnel. Working knowledge of Microsoft software products (i.e. Word, Excel, Microsoft Teams, Outlook, etc.) Additional Job Requirements for Nuclear Facilities Engineer 2: In addition to the requirements outlined above, qualification at the higher level requires: Experienced in evaluating and trending system health Skilled in preparing and reviewing technical reports and studies to support and maintain the Technical Baseline for both new and existing facility systems. Effective collaborator with cross-functional teams to achieve shared goals (e.g., resolving facility issues with Maintenance and Operations). Demonstrated ability to develop design details, calculations, specifications, and special inspections that align with applicable design and nuclear safety requirements. Provides mentorship and guidance to engineering interns and early-career engineers. Familiarity with and working experience in with applicable codes and standards, including ASME B31.3 and B31.9. Strong written and verbal communication skills. Training/Certifications: None required for this role; however, certification in vibration analysis, thermography, leak detection, various NDE techniques, or other certifications relevant to mechanical system engineering are desired. Education/Experience at lower level: Position requires a Bachelor's Degree in Engineering from an ABET-accredited college or university and 2 years of practical work experience necessary to perform the responsibilities outlined above. Advanced engineering or technical degree is highly desired. Education/Experience at higher level: Position requires a Bachelor's Degree in Engineering from an ABET-accredited college or university and a minimum of 3 years of practical work experience necessary to perform the responsibilities outlined above. Advanced engineering or technical degree is highly desired. Desired Qualifications: Knowledge of major commercial, industrial, or nuclear facility mechanical systems (i.e. HVAC, Compressed Air, Chilled Water, Cryogenic systems, etc.). Knowledge of engineering design process and/or maintenance of facility related mechanical systems. Experience with supporting safety analyses and hazards evaluations. Demonstrated experience working in a highly regulated nuclear environment (DOE or NRC regulatory environment). Active DOE Q-clearance Essential Job Functions (can perform with or without reasonable accommodation):General Physical Mobility, standing, walking, climbing stairs, bending. Specific Physical Mobility use of both hands, use of both arms, use of both legs, use of both feet, carry/lift up to 20 pounds. Work Environment: Work in a noisy environment, work near sources of ionizing and non-ionizing radiation, work near machinery with moving parts, working overtime or an irregular schedule. 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.