Senior Mechanical Design Engineer

RQ Construction is seeking a Senior Mechanical Engineer to join our team in Jacksonville, Florida
. This position will lead RQ's mechanical and plumbing engineering design efforts across all regions, ensuring all work aligns with U.S. Navy, Marine Corps, Air Force, and Army standards for surveying, planning, and RFP design.

Headquartered in beautiful Carlsbad, CA, we are a full-service Design-Build company that manages projects throughout the United States. With over $1B in active and upcoming work across CA, VA, NC, SC, FL, Guantanamo Bay, Cuba, and Puerto Rico, we specialize in fast‑track commercial construction projects with a strong focus on serving the Department of Defense.

RQ provides a perfect environment to grow your career while offering a competitive salary, full benefits, and a flexible hybrid schedule.

• Annual salary range of $135,000-$155,000, depending on qualifications and experience
• Comprehensive benefits package including medical, dental, and vision insurance
• 401(k) retirement plan with company matching contributions
• Flexible hybrid schedule

• Bachelor Science Mechanical Engineering Degree – focus on HVAC and Plumbing Engineering
• P.E. license required
• 10+ years of HVAC / Plumbing design experience within a consulting firm
• LEED AP preferred
• Experience with ASHRAE 90.1, 62.1 and 55
• Experience with California Title 24 Energy Code
• Experience with BIM and Revit/AutoCAD required
• Experience with sustainable design
• Experience with Design Build and other alternative delivery practices desirable
• Experience with Government/DOD projects preferred

Be part of a team that invests in people, values integrity, and builds success together.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, creed, gender (including gender identity and gender expression), religion (all aspects of religious beliefs, observance or practice, including religious dress or grooming practices) marital status, registered domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition (including cancer or a record or history of cancer, and genetic characteristics), sex (including pregnancy, childbirth, breastfeeding or related medical condition), genetic information, sexual orientation, veteran status, or any other basis or status protected by federal, state, or local law or ordinance or regulation.

All candidates considered for hire must provide evidence of identity and U.S. work authorization at the time of hire. Additionally, all candidates must successfully pass a drug screening and commercial criminal background check, including a stricter Department of Defense background check, for access to job site at a military base (if applicable for the position being hired for).