Mechanical Design Engineer

Mid‑Level Mechanical Engineer / Designer (Revit | HVAC | Plumbing | Federal Projects)

Location:

Orange County, CA

Work Model:
Hybrid (3 days onsite / 2 remote after ramp‑up)

Employment Type:

Long‑term consulting opportunity

📌 About the Opportunity

Are you a Mechanical Engineer or Mechanical Designer who loves hands‑on design, real project ownership, and the chance to work on complex federal facilities that actually make a difference? This is a standout opportunity to become the go‑to Revit production lead on impactful healthcare and defense infrastructure projects across Southern California. You’ll join a tight‑knit multidisciplinary team where your work directly supports the mechanical systems that keep federal facilities safe, efficient, and operational.

If you’re someone who thrives on independence, problem‑solving, and meaningful design work — this role is built for you.

• Take full ownership of Revit modeling and documentation for HVAC & plumbing systems
• Update and generate AutoCAD drawings for as‑builts, legacy files, and details
• Run mechanical load calculations using Trane or similar modeling tools
• Contribute directly to projects ranging from $25K–$1M in design scope
• Support senior engineers by absorbing production‑level work and executing deliverables with autonomy
• Participate in brief site visits (1–2 days) for field verification and system assessments
• Coordinate with architecture, electrical, and controls engineers across multidisciplinary scopes

• Your work supports national‑impact federal healthcare and defense projects
• True project variety: industrial, medical, and complex mechanical systems
• A hybrid work schedule that balances collaboration and independence
• Long‑term stability with a strong likelihood of conversion to full‑time
• A team culture that values initiative, technical depth, and craftsmanship

• Revit expertise — you’ve owned mechanical models, not just contributed
• AutoCAD proficiency
• Strong background in both HVAC and plumbing design
• Plumbing must be at least 50% of your design capability
• Experience running load calcs/modeling (Trane, HAP, Carrier, etc.)
• Ability to work independently with minimal oversight
• U.S. citizenship (required due to federal project work)

• Experience with industrial or medical facilities
• Exposure to controls systems and coordination with electrical
• EIT or interest in pursuing licensure
• Federal/VA/DoD project familiarity

Within Your First 90 Days, You’ll Be

• Delivering high‑quality Revit and plumbing/HVAC packages
• Running your own scoped tasks and small projects
• Acting as a trusted technical resource for senior mechanical leadership
• Fully integrated into the team’s federal project pipeline

$100,000 – $120,000 (DOE), with flexibility for highly Revit‑proficient candidates.

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

The pay range for this position is $48.00 - $57.00/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)

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccom for other accommodation options.

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