Jobs and Careers
NE

Senior Business Assistant

Nevada National Security Sites
North Las Vegas, United Statesfull_timeVerifiedPosted 17 Feb 2026
💰 $86,000/yr($56,000/yr$86,000/yr)

About the role

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.   

  • 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 Senior Business Assistant will report to the Enterprise Infrastructure Programs (EIP) Director. This position will oversee and manage multiple business activities and functions supporting staff development, recruiting, mentoring, performance reporting, and departmental integration.  

Responsibilities

  • Manage and Facilitate the Early Career Rotation Program (ECRP) – See Below for additional duties and responsibilities.
  • Manage and Facilitate the Emerging Leader Rotation Program (ELRP) – See Below for additional duties and responsibilities.
  • Coordinate the collation of performance and execution data from Division Managers into the written Performance Evaluation Management Plan (PEMP) for the Infrastructure Division.  Assist in editorial functions to ensure a cohesive package that is concise, grammatically correct and properly formatted.
  • Oversee coordination and approval of Non-Re Requests by the EIP Director and support employee requests for reimbursement of expenses.
  • Facilitate tracking of assignments and preparation/assembly of Power Point Slide inputs for Plan of the Week (POW) Safety Topic briefings. 
  • Facilitate tracking of assignments and preparation/assembly of Power Point slide inputs for Tier 3 Meetings (Preparation of slides and collation of Safety Cross status).
  • Assembly of data and input into a quad-chart supporting the weekly Director Tier 4 meeting.
  • Manage and coordinate gathering of status updates from Division Managers for the EIP Deliverables and Action Item calendar.
  • Coordinate the collation of performance, execution and project status data from Division Managers into the monthly EMOR Slides.
  • Support status updates to the EIP Zipper Plan and EIP Business Rhythm Plans.
  • Facilitate collection of division performance from all infrastructure divisions and support development of writeups for PEMP Status and Reporting.
  • Coordination of Division Reporting Functions and Employee Recognition Programs to include: POWs, Tier Meetings, EMOR, Director/NA-90 Recognition Programs, Team Meetings, Action Tracking, etc.
  • Support maintenance of staff through recruiting, selecting, orienting, and training employees; maintaining a safe, secure, legal work environment; developing personal growth opportunities.
  • Accomplish staff results by communicating job expectations; planning, monitoring, and appraising job performance; coaching, counseling, and disciplining employees; developing, coordinating, and enforcing systems, policies, procedures, and productivity standards.
  • Other duties as assigned.

 

Rotation Program Duties and Responsibilities:  

  • Manage and facilitate the Early Career Rotation Program (ECRP).  The program is a two-year developmental rotation program designed to recruit and retain needed talent and skills.  Participants engage in four 6-month rotations working in various capacities within the six infrastructure divisions.  Rotations are designed to provide experience and in-depth knowledge of the infrastructure divisions while providing meaningful work that will expand the participants’ experience, company knowledge, and business acumen.
  • Manage and facilitate the Emerging Leader Rotation Program (ELRP).  The 18-month program consists of six 3-month rotations through va

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Company

Nevada National Security Sites

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