
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 is actively seeking a motivated and experienced Manager to lead our Construction Subcontractor Technical Representative team. This pivotal role involves leading and managing the team of Subcontractor Technical Representatives (STRs) who ensure technical execution and compliance of subcontracted work. The ideal candidate will have strong interpersonal skills, and a thorough background in construction and infrastructure projects.
Key Responsibilities
Leadership & Supervision:
Reporting to STR Senior Manager, the STR team Manager shall directly manage and lead the Subcontractor Technical Representatives (STRs) team providing day-to-day leadership.
Provide clear oversight and strategic direction to subordinate personnel, ensuring robust adherence to quality assurance, project documentation, standardized work processes, and performance standards.
Supervise individual personnel, including approving time, conducting comprehensive performance evaluations, and actively participating in the recruiting, selection, orientation, and training of staff.
Coach, counsel, and mentor employees, fostering a high-performing and collaborative team environment focused on technical excellence.
Actively cultivate a culture where team members feel empowered to ask questions, raise issues, propose solutions, and engage in constructive dialogue.
Ensure team members obtain, maintain, and remain current in all assigned qualifications and training.
Provide management intervention and engagement to team members for issues or roadblocks impacting the effectiveness of the organization.
Serve as primary Management point of contact for stakeholders and project managers regarding STR functions.
Assign team member STR taskings distributing workload appropriately and communicating priorities.
STR Oversight & Technical Assurance:
Ensure team member STRs maintain meticulous document & record management, and compliance with corporate processes.
Strategic Planning & Operations:
Responsible for tracking, communicating, managing and keeping status of priorities effectively.
Establish strategic goals by gathering pertinent business, financial, service, and operational information.
Responsible for providing regular updates and reports to STR Senior Manager.
Define clear objectives and evaluate outcomes to drive continuous improvement.
Maintain high-quality service by enforcing rigorous quality and customer service standards.
Analyze and resolve quality and customer service challenges, recommending and implementing system improvements.
Develop, coordinate, and enforce robust systems, policies, procedures, and productivity standards across the department to ensure consistency and efficiency.
Stakeholder Management & Communication:
Ensure customers and stakeholders receive exceptional support by cultivating strong relationships and representing the division in a positive and supportive manner.
Work closely and collaboratively with Project Managers, vendors, clients, and procurement regarding all project activities.
Escalate any project-related issues that may impact completion and/or customer satisfaction in a timely and effective manner.
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. Reference DOE Order 472.2, “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 Reviews and tests for the absence of any illegal drug as defined in 10 CFR Part 707.4, “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. Reference 10 CFR Part 709, “Counterintelligence Evaluation Program.”
MSTS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, 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: $126,984.00- $203,174.40.
Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.

The Nevada National Security Sites help ensure the security of the United States and its allies by: supporting the stewardship of the nation’s nuclear deterrent; providing nuclear and radiological emergency response capabilities and training; contributing to key nonproliferation and arms control initiatives; executing national-level experiments in support of the National Laboratories; working with national security customers and other federal agencies on important national security activities; and providing long-term environmental stewardship of the NNSS’s Cold War legacy.