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Director, Environmental, Safety, and Health; ES&H

Job in North Las Vegas, Clark County, Nevada, 89095, USA
Listing for: Nevada National Security Sites
Full Time position
Listed on 2026-01-29
Job specializations:
  • Engineering
  • Management
Job Description & How to Apply Below
Position: Director, Environmental, Safety, and Health (ES&H)

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.

Responsibilities

The Mission Assurance Senior Directorate is searching for a Director of Environmental, Safety, and Health (ES&H) that will have the responsibility of leading Occupational Safety, Industrial Hygiene, Radiological Protection, Occupational Medicine, Hazardous Materials Management, Safety Culture, Explosives Safety, Health and Productivity, NEPA, and Environmental and Ecological Monitoring programs at the Nevada National Security Sites.

In this role, you will shape, lead, and deliver with excellence the ES&H functional programs across all construction, experimentation, and operational activities nationwide. You will develop and execute a comprehensive data-driven ES&H approach that ensures the health and safety of the NNSS workforce, users, and visitors, and enables delivery of effective, efficient, and responsive ES&H mission critical services and solutions. This position reports to the Senior Director of Mission Assurance for Mission Support and Test Services (MSTS, LLC), the Management & Operations Contractor of the NNSS.

Key Responsibilities

  • Define and lead the ES&H vision and strategic plan for the NNSS.
  • Manage the ES&H indirect portfolio (>$20M). Responsible for all aspects of the portfolio (annual resource planning, execution, monitoring and controlling).
  • Lead integrative collaboration with stakeholders and customers to enable and accelerate national security mission delivery.
  • Ensure ES&H integration into project planning, design reviews, and subcontracting activities.
  • Refine, implement, and continuously improve the ES&H functional programs for all mission activities.
  • Serve as the Senior ES&H Subject Matter Expert across the NNSS, influencing peers, senior leadership, National Weapons Laboratories (NWL) partners, site users, and regulators.
  • Foster and promote a culture of safety, accountability, and continuous improvement across the NNSS.
  • Ensure compliance with applicable federal, state, and local ES&H regulations.
  • Lead the continuous improvement of company-wide ES&H policies, procedures, training programs, and performance metrics.
  • Build, mentor, develop, sustain, and manage a high performing team across the NNSS.
  • Drive incident investigation protocols, cause analysis, and corrective action implementation for near miss events, injuries, and motor vehicle incidents.
  • Track and report on ES&H metrics and indicators.
  • Analyze data to proactively mitigate risk to mission operations from an ES&H impact perspective.
  • Promote ‘organizational learning’ and ‘continuous improvement” concepts and provide leadership that encourages continuous improvement in cost reductions and enhancements in the performance of NNSA/NSO, program/project, and other customers  missions.
  • Provide regular briefings to Senior Leadership on ES&H performance, risk trends, and strategic initiatives.
  • Establish clear responsibility…
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