Mechanical Engineer – HVAC & Plumbing; Mid‑to‑Senior IC

Mechanical Engineer – HVAC & Plumbing (Individual Contributor)

If you're a Mechanical Engineer who designs HVAC and plumbing systems, runs your own calculations, and produces construction documents in Revit, this is worth a conversation.

This opportunity supports mission-critical federal and defense facilities where HVAC and plumbing systems are more complex than typical commercial buildings. Reliability, redundancy, and performance matter here—and engineers are expected to own their work from concept through construction documents.

This is not a project management role.

This is not coordination-only or redline-only.

This is a hands-on production role.

You'll be a hands-on mechanical contributor, owning real scope and producing immediately:

• Design HVAC and plumbing systems for complex facilities
• Run mechanical calculations independently, including:
• Load calculations
• Equipment sizing
• Pump calculations
• Produce Revit-based construction documents (direct authorship required)
• Validate inputs/outputs and apply engineering judgment when results don't look right
• Support multiple projects concurrently in a lean engineering team
• Coordinate with architectural, electrical, and structural disciplines
• Participate in short, local site visits for field verification

This team needs someone who can produce immediately—this is not a training role for Revit or construction documentation.

Required:

• 5–10+ years of HVAC & plumbing system design experience
• Strong experience with mechanical calculations (loads, sizing, pumps)
• Proficiency in Revit MEP (current production experience required)
• Experience designing both HVAC and plumbing systems
• Experience producing construction documents (not just coordination/redlines)
• EIT required

Preferred:

• PE license
• Federal/DoD/VA project experience

This is a permanent position based out of Irvine, CA.

The pay range for this position is $57.00 - $72.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

This is a hybrid position in Irvine, CA.

This position is anticipated to close on Jul 13, 2026.