HVAC Mechanical Engineer; Senior

Cimarron Inc. is seeking a HVAC Mechanical Engineer (Senior) for its Engineering and Manufacturing Development phase of the US Air Force’s Sentinel program (GBSD) in Ogden, UT.

This is an on‑site position offering a 9X80 work schedule (every other Friday off), paid overtime, and a great work/life balance. A relocation allowance may be provided for candidates not local to the Ogden area.

Cimarron is offering a $5,000 referral bonus for all full‑time hires for this opportunity!

• Collect the HVAC, safety, and other data and requirements for HVAC and/or other support systems.
• Design the system and specify the equipment to meet the applicable design requirements.
• Procure the equipment in accordance with applicable QA requirements.
• Coordinate with the engineering group and other disciplines in developing the detailed system design and specifying equipment in a team environment.
• Prepare reports and studies in resolving open technical issues related to the process systems.
• Develop and revise ventilation and instrument diagrams, formal calculations, and equipment datasheets and specifications in completing the detailed design for the system, including equipment selection.
• Support the associated safety analyses and hazards evaluations.

• Only U.S. citizens are eligible for consideration at this time, due to facility security requirements.
• Ability to obtain a Secret Clearance in a reasonable timeframe.
• Position requires access to federal facilities; candidates must possess a valid, unexpired Real ‑compliant driver’s license or state‑issued identification card at the time of hire.
• Six or more years of experience designing and constructing HVAC systems.
• Knowledge of industry and regulatory guides, codes, and standards.
• Experience with performing airflow calculations for Mechanical/HVAC systems and equipment on power plants, refineries, or chemical process facilities.
• Experience with HVAC equipment selection.
• Bachelor’s degree in Mechanical, Nuclear, or Chemical Engineering from an accredited university or college with six or more years of related experience.

• Experience working with vendors on the procurement of equipment.
• Experience in CGD and/or Environmental Equipment Qualification.
• Passed the Fundamentals of Engineering examination.
• Experience with Trane TRACE™ 700 and Vari Trane™ Duct Designer software.
• Microsoft Office products (Word, PowerPoint, Excel).
• Prior experience working with Government agencies, preferably DOE or DOD.

• Health, dental, and vision insurance.
• 401(k) contributions.
• Educational reimbursement.
• And much more.

Cimarron is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other characteristic protected by federal, state, or local law.

Disclaimer:
Referral bonuses are only available for eligible full‑time positions and candidates. Bonuses are paid out after the new hire meets all program requirements, including a minimum employment period. Additional terms and restrictions may apply. Contact  for complete details.