Senior Mechanical Engineer

Join Our Mission

At Omega Technical Services, every role supports a mission that matters. Whether you're advancing national security, driving innovation in nuclear infrastructure, or supporting critical DOE and DoD operations, you're part of something bigger here.

Omega Technical Services is seeking a Senior Mechanical Engineer (Level III-IV) to to provide support to our client in the North Las Vegas, NV area. The Senior Mechanical Engineer will support building, utility, equipment, and infrastructure projects through the development of Functional Requirements Documents (FRDs) and Project Requirements Specifications (PRSs).

This role is focused on front-end engineering, systems definition, and stakeholder coordination, supporting multi-disciplinary projects involving building systems, utilities, equipment, and fire protection interfaces. The selected engineer will work closely with Integrated Project Teams (IPTs) and stakeholders to define technical requirements, develop conceptual layouts, and finalize engineering requirements documentation in support of DOE-regulated facilities and infrastructure projects.

Develop FRDs and PRSs for building, utility, equipment, and infrastructure projects.

• Break down project scope into functional and non-functional requirements, constraints, and performance criteria.

• Collaborate with IPTs, engineering disciplines, and stakeholders to gather inputs and resolve technical requirements.

• Research applicable DOE Orders, federal/state/local codes, standards, and prior project documentation.

• Utilize existing templates and lessons learned from previous projects to support consistent documentation.

• Develop conceptual visualizations, including layouts, site plans, and perspective views to support requirements definition.

• Perform document reviews, comment resolution, and finalization of FRD/PRS packages.

• Support coordination across mechanical, civil, electrical, fire protection, and other engineering disciplines.

• Participate in project meetings and reviews, including occasional on-site engagements as required.

• Bachelor of Science in Mechanical Engineering from an accredited institution.

• Minimum of 10 years of progressive mechanical engineering experience supporting facilities, infrastructure, or industrial projects.

• Demonstrated experience developing or contributing to engineering requirements documents (FRDs, PRSs, design criteria, or equivalent).

• Working knowledge of Federal (including DOE Orders), State, and Local codes and standards applicable to mechanical engineering.

• Experience with building systems and utilities, including some combination of HVAC, plumbing, process piping, industrial exhaust, or facility equipment systems.

• Proven ability to work independently and coordinate with multi-disciplinary engineering teams.

• Strong technical writing, documentation, and stakeholder communication skills.

• Candidate must be a U.S. Citizen.

• Nevada Professional Engineer (PE) license, or ability to obtain through state reciprocity.

• Prior experience supporting DOE, NNSA, national laboratory, or other highly regulated federal facilities.

• Familiarity with fire protection system interfaces and coordination with fire protection engineering requirements.

• Experience supporting front-end project definition, conceptual design, or early project planning phases.

• Familiarity with MicroStation or similar CAD tools for conceptual layouts and visualizations.

• Experience performing construction document reviews and supporting design review cycles.

• Local or regional proximity to the project site.

Omega Technical Services is a Service-Disabled Veteran-Owned Small Business and a trusted partner to the Department of Energy, Department of Defense, and other commercial clients, supporting mission-critical projects that shape national security and technological innovation. Our culture is defined by leadership, initiative, and trust. Our values drive meaningful outcomes and long-term impact.

At Omega Technical Services, you'll work alongside elite subject matter experts who thrive on being challenged, innovation, and collaboration. We offer competitive pay, comprehensive benefits, and the opportunity to grow your career in a mission-first, people-focused environment.

When you join Omega Technical Services, you're not just starting a job, you're building a career that honors the past, powers today's progress, and accelerates the most vital missions of tomorrow.

Omega Technical Services is an Equal Opportunity Employer, and all qualified applicants will receive consideration for employment regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin, age, or status as a qualified individual with a disability or protected veteran.