Principal Engineer- Mechanical HVAC Design Engineer

UDR Consulting Inc; Aiken (SC); On-site; USD 120,000 - 180,000; Full time

Job summary

UDR Consulting, INC seeks a Principal Engineer- Mechanical HVAC Design Engineer for SRNS in Aiken, SC. The role focuses on engineering analysis, design development, and output documents including P&IDs, system descriptions, and equipment sizing to support the Savannah River Site.

Qualified candidates will have a PhD with 5+ years or MS with 8+ years (or BS with 10+ years), strong HVAC design experience in nuclear or chemical processing, and familiarity with NFPA, ASME, and ASHRAE standards.

Qualifications

• PhD with 5+ years experience, or MS with 8+ years, or BS with 10+ years experience.
• 10 years HVAC design experience in nuclear or process chemical industry.
• Knowledge of NFPA 90A/90B/91/801; ASHRAE Fundamentals; ASME AG-1, 509 and 510; SMACNA; ARI 410/430/450.
• Ability to walk down systems in the field.
• 2D MicroStation CAD experience preferred.

Responsibilities

• Provide design engineering staff augmentation to SRNS.
• HVAC design development and generation of design output documents including calculations for equipment sizing, duct sizing, pressure drops, and air balancing.
• Create/modify piping and instrumentation diagrams, system descriptions, mechanical equipment lists, and vendor document reviews.
• Lead complex problem solving and coordinate with multiple teams.
• Prepare schedules, budgets, and monitor expenditures.

Skills

HVAC design

P&ID design

ASME code

NFPA codes

Field inspection

Technical leadership

Education

BS in Mechanical/Chemical/Nuclear Engineering

MS in Mechanical/Chemical/Nuclear Engineering

PhD in applicable science/engineering

Tools

MicroStation

Job description

UDR is seeking qualified candidates for a Principal Engineer- Mechanical HVAC Design Engineer opportunity for our customer in Aiken, SC to support the Savannah River Site.

Close Date: 10/07/2026

Job # 1578

DUTIES

Provide design engineering staff augmentation support to SRNS. Primary responsibilities include engineering analysis, design development and generation of design output documents including but not limited to Process Flow; Piping and Instrumentation Diagrams; System Descriptions; Mechanical Equipment Lists; Mechanical Equipment Sizing; Pipe and Valve Specifications; Failure Analysis; Accident Analysis; Finite Element Analysis; ASME Code Design and Evaluation; Pipe Stress Analysis; Material Handling Design; Fire Protection Design; HVAC Design; and Vendor Document Reviews.

Define scope of technical programs and develop effective, quality solutions to challenges which involve unique or controversial problems. Creatively meet all company and industry requirements and apply site systems to achieve quality, timely and cost-effective results. Give quality guidance and assistance to less senior professionals on related tasks.

Apply technical experience in field of specialization or broad-based experience in multiple technical fields, to resolve complex problems.

Incorporate advanced technical practices and a variety of complex features such as complicated technical requirements, application of new or special materials or processes and difficult coordination or oversight requirements into problem solving and program planning.

Provide leadership in determining solutions to complex problems and be recognized as having expertise in a functional area(s) of technical expertise.

Provide direction and position responsibility both inside and outside department lines on programs seeking new approaches to problems and new application of existing engineering or scientific principles.

Evaluate the results of programs and prepares reports and recommendations based on these evaluations.

Identify and recommend improvements where established technology components and methodology are inadequate for solution.

Keep informed of the advancement of technology as applied through one's area of technology.

Prepare plans including schedules, budgets and personnel requirements for solving technical tasks identified by management.

Develop schedules, monitor progress, monitor expenditures of budget and review quality of work performed.

Develop schedules, monitor progress, monitor expenditures of budget and review quality of work performed.

Communicate results and objectives verbally and in manuscripts form to customers colleagues and management.

Occasionally prepare reports for external publication.

Enhance expertise in field through leadership in local technical societies.

Demonstrate creative ability through medium of patent disclosures, problem solving, engineering reports, technical papers and articles.

REQUIRED QUALIFICATIONS: EDUCATION & EXPERIENCE

Education: PhD degree in applicable science or engineering discipline and 5 plus years experience, OR a MS degree with 8 plus years’ experience; or BS and 10 years’ experience.

Additional Duties

• Provide design engineering staA augmentation support to SRNS.
• Primary responsibilities include: -
• HVAC design development and generation of design output documents including but not limited to calculations for equipment sizing, duct sizing, pressure drops, cooling tower sizing, heating and cooling loads, and air balancing.
• Create/modify piping and instrumentation diagrams, system descriptions, mechanical equipment lists, integration with fire protection design, and vendor document reviews.
• Engineering Services shall be provided using SRNS processes and procedures. Programmatic guidance will be provided by SRNS.

Additional Education

BS Degree in Mechanical, Chemical or Nuclear Engineering or current registration as a Professional Engineer in Mechanical, Chemical, or Nuclear Engineering.

Additional Experience/Qualifications

• The following experience/skills are a requirement for this position: -
• Candidate must demonstrate 10 years HVAC design experience in the nuclear or process chemical industry.
• Candidate must demonstrate knowledge of NFPA 90A, 90B, 91, and 801; ASHRAE Fundamentals; ASME AG-1, 509 and 510; SMACNA; and ARI 410, 430 and 450.
• Candidate must have the ability to walk down systems in the field.

The following qualifications are preferred for this position:

• Candidate demonstrates experience in 2D MicroStation Computer Aided Drafting and Design (CADD).
• Previous SRNS design experience and familiarity with the processes and procedures for providing engineering support to SRS facilities is preferred.
• Possession of an active DOE clearance (L or Q) within the past two (2) years is preferred

UDR Consulting, INC is a Service-Disabled Veteran-Owned, Woman-Owned, Minority-Owned, Small Disadvantaged Business. An Equal Opportunity Employer that considers all qualified applicants for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, protected Veterans, or individuals with disabilities. UDR also supports a drug-free work environment.

UDR offers highly competitive salaries and employee benefit packages structured to best suit your needs. We offer multiple individual and family benefit options including paid time off, medical, dental, life, vision, and disability insurance, and a pre-tax 401 (k) retirement account with Company matching contributions and 100% vesting for eligible participants beginning DAY 1.