Facility System Engineer ; Civil, Mechanical, or Electrical Engineer
Listed on 2026-02-16
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Engineering
Electrical Engineering, Systems Engineer, Mechanical Engineer
Location: Amargosa Valley
Overview
Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site's Cold War legacy.
Our VISION is to be the user site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.
MSTS offers our full-time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more. MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc.
(Jacobs), and HII Nuclear Inc.
- Performs duties as a Facility System Engineer (Engineer I) at one of the nuclear facilities or high-hazard facilities in the forward areas at the NNSS. Facility System Engineers are instrumental in ensuring these nuclear and high-hazard facilities are capable of executing national-level experiments that ensure the nation's nuclear weapons stockpile remains safe, secure, and effective.
- Supports maintaining overall cognizance of assigned facility systems, providing systems engineering support for operations and maintenance, and technical support of line management safety responsibilities for ensuring continued system operational readiness.
- Validates physical configuration of assigned systems. Maintains and updates system documents for Configuration Management (CM). Understands the functions and performance criteria for assigned systems per the Safety Basis, and acts as the subject matter expert for assigned systems.
- Supports the In-service-Inspection and Technical Surveillance Requirement execution of assigned systems.
- Contributes to solutions of assignment-related problems and issues with a limited scope and basic complexity, using a well-defined set of technologies. Solutions use established basic standards, practices and procedures as well as technical knowledge to address problems and complete tasks.
- Participates in developing field programs and designs using pre-determined principles and practices.
- Contributes to designs, strategies, reports and technical proposals.
- Performs design and technical analysis activities using prescribed codes and standards, computer software, and generally accepted best management practices.
- Assists in defining specifications for procurements and initiates purchase requests.
- Works with outside vendors as required to obtain relevant information.
- Develops a working knowledge of codes and standards of other disciplines.
- Coordinates work within their discipline on moderately complex projects.
- Often serves as a member of work teams.
- May monitor work of and provide guidance to skilled technicians and other support personnel.
- Performs other duties assigned by Management.
Minimum Education and Experience:
- Bachelor's degree in an engineering program accredited by the Accreditation Board for Engineering and Technology (ABET) required for Civil, Mechanical and Electrical engineering degrees;
- Or, Calculus-based STEM bachelor's degree in engineering;
- Or, for Architects, Certification from the National Council or Architectural Registration Board (NCARB);
- Or Professional Engineer license;
- Demonstrated desire to learn and innovate.
- Demonstrated ability to follow instructions and procedures.
- Knowledge of instrumentation & control, electrical, mechanical or electromechanical components.
- Should be self-motivated and able to complete assigned tasks with minimal supervision.
- Ideally, the applicant will have strong time-management skills. Be well organized, maintain safe work habits and have a broad range of technical interests and education.
- Experience working with requirements-based systems for areas such as facility operations is a plus.
- Training or experience in areas related to DOT regulated hazardous materials shipment is a plus.
- Training or experience in areas related to nuclear operations or nuclear maintenance such as those found at a DOE nuclear facility, commercial power plant, or US Navy Nuclear Propulsion Program is a plus.
- Excellent oral and written communication skills, including the ability to write reports and technical documents.
- Ability to interpret codes and standards applicable to the position.
- The primary work location will be at the NNSS (located 65 miles NW of Las Vegas,…
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