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Mission Support and Test Services, LLC Engineer II in Mercury, Nevada


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. (See NNSS.gov for our unique capabilities.) 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. In this environment, the best ideas need to be voiced and every opinion matters. As such, MSTS places great value on Diversity, Equity, and Inclusion and is committed to a diverse and equitable workforce, with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, and perspectives.

  • 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.


The primary role of the Field Engineer II is to support the Construction Department during construction activities for Issue for Construction (IFC) design packages of infrastructure projects. This may include construction projects, emerging project issues, providing support for project discovery, project scope development, and support for identifying functional requirements for projects and systems.

Key Responsibilities

  • Participate in walk-downs, generate sketches, help develop conceptual designs, evaluate existing systems, and generate and/or review functional requirement documents.

  • Ensure designs are properly reviewed, executed, installed, tested, and documented in accordance with the latest issued construction documents.

  • Review engineering documents for constructibility during various design reviews of 30%, 60% 90%, and IFC.

  • Verify and report on construction installation quantities.

  • Interface with Project Engineering to facilitate responses to Requests for Information (RFIs), Field Change Requests (FCRs), and needed design changes.

  • Develop redline drawings for incorporation into as-built drawings.

  • Prepare, review and approve material requisitions.

  • Assist in interpretation of drawings and specifications for field crews and craft supervision.

  • May serve as internal Subject Matter Expert with specific engineering discipline.

  • Contribute to development of solutions to resolve construction issues.

  • Assist in the preparation of work plans and work packages.

  • Perform 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

  • Plus at least 2 years’ relevant experience.Skill building experience must demonstrate either deeper technical specialization or additional cross-disciplinary knowledge; graduate research experience may be recognized.

  • Ability to interpret codes and standards related to engineering discipline.

  • Execute work in a disciplined manner to demonstrate compliance with laws, codes, orders, and MSTS policies and procedures.

  • The primary work location will be at the Nevada National Security Site (located 65 miles northwest of Las Vegas, Nevada).

  • Schedule will be 4/10s, Monday-Thursday 7:00am - 5:30pm (subject to change).

  • Must be able to work occasional overtime, if needed due to project schedules.

  • Pre-placement physical examination, which includes a drug screen, is required. MSTS maintains a substance abuse policy that includes random drug testing.

  • Must possess a valid driver’s license.

    MSTS is required by DOE directive to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants offered employment with MSTS are also subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment. In addition, Applicants for employment must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship, at least 18 years of age. ReferenceDOE Order 472.2 (https://www.directives.doe.gov/directives-documents/400-series/0472.2-BOrder-chg1-pgchg) , “Personnel Security”. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.

    Department of Energy Q Clearance (position will be cleared to this level). Reviews and tests for the absence of any illegal drug as defined in10 CFR Part 707.4 (http://www.ecfr.gov/cgi-bin/text-idx?SID=14b1c770db022992d237769fbe9fc519&mc=true&node=se10.4.707_14&rgn=div8) , “Workplace Substance Abuse Programs at DOE Sites,” will be conducted. Applicant selected will be subject to a Federal background investigation, required to participate in subsequent reinvestigations, and must meet the eligibility requirements for access to classified matter. Successful completion of a counterintelligence evaluation, which may include a counterintelligence-scope polygraph examination, may also be required. Reference10 CFR Part 709 (http://www.ecfr.gov/cgi-bin/text-idx?tpl=/ecfrbrowse/Title10/10cfr709_main_02.tpl) , “Counterintelligence Evaluation Program.”

    MSTS is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status or other characteristics protected by law. MSTS is a background screening, drug-free workplace.

Annual salary range for this position is:$79,393.60 - $119,100.80.

Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.

Posted Date3 weeks ago(5/1/2024 12:39 PM)

Job ID2024-7362

of Openings1



Location : CityMercury

Location : State/Province (Full Name)Nevada