Nuclear Senior HVAC Design Engineer

Houston , Texas Contract Aug 27, 2025

CEIS | Government is seeking an experienced Senior HVAC Design Engineer to serve as Area Lead for the Nuclear Island HVAC scope on a new nuclear power plant project. This role requires deep technical expertise in nuclear facility HVAC systems, a strong command of ASME NQA-1 design controls, and the ability to lead complex design efforts across multidisciplinary teams.

As part of a large-scale engineering and construction program, the selected candidate will drive the execution of advanced HVAC design strategies under strict compliance with regulatory requirements, industry standards, and safety-critical performance expectations.

Serve as Nuclear Island HVAC Area Lead, coordinating HVAC scope execution across project phases.

Develop and review engineering deliverables including calculations, layouts, design criteria, specifications, and system architecture.

Lead HVAC design for air handling units, ductwork, chilled water systems, and refrigerant-based systems; perform equipment sizing and layout coordination.

Apply applicable nuclear regulatory and design codes such as ASME AG-1, RG 1.52, RG 1.140, RG 1.143, 10 CFR Part 50 & 52, and NUREG-0800.

Participate in permitting, procurement, and subcontracting processes related to HVAC scope.

Track material quantities, project progress, and engineering resource forecasts.

Collaborate with multidiscipline engineering teams and interface with QA/QC and project management to ensure compliance with ASME NQA-1 requirements.

Support field engineering and construction phases including commissioning, startup, and project close-out.

Bachelor’s degree in Mechanical Engineering (or related field).

Minimum 10 years of HVAC design experience, including prior work on nuclear power plant design projects.

Current or past clearance to work on nuclear facility projects.

Experience working under a formal ASME NQA-1 quality assurance program.

Familiarity with nuclear-specific codes, standards, and regulatory guidance including:

RG 1.52, RG 1.140, RG 1.143, RG 1.26, RG 1.29, RG 1.201

ASME AG-1, 10 CFR Part 50 & Part 52

Strong knowledge of HVAC load calculations, ductwork design, chilled water/refrigerant systems, and psychrometrics.

Proven capability to design and size equipment such as air handling units, chillers, steam coils, fans, heaters, and cooling towers.

Knowledge of ASHRAE Fundamentals, ICC codes (IBC, IMC, IFC), SMACNA, NFPA, and related HVAC design standards.

Full project lifecycle experience: front-end design, detailed design, bidding, construction, and commissioning.

Prior experience supporting large-scale government or commercial nuclear facility buildouts.

CEIS | Government is a small business headquartered in Albuquerque, New Mexico, with key offices in San Francisco, CA and Pittsburgh, PA, and we are growing. You can be a key part of our team and help us continue to build our capabilities long-term. Our government clients include Department of Energy facilities like Sandia National Laboratories, Lawrence Berkeley National Laboratory, and Los Alamos National Laboratory, while our commercial clients have included globally recognized firms.

We specialize in Industrial Hygiene, Safety,Construction Management, and Project Management.

We have open, transparent communication without layers of bureaucracy, while also having a strong team to provide backup. We offer health, dental, vacation/sick, and a 401k with a generous match.

Learn more about us at

CEIS | Government is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, genetics, or protected Veteran status. Because eligibility for DOE clearance is required for this position, we ask the question about citizenship.