Mechanical Design Engineer

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

Compensation: $100,000 – $120,000, depending on experience, with flexibility for candidates demonstrating exceptional Revit and production expertise.

About the Opportunity

Are you a Mechanical Engineer or Mechanical Designer who thrives on hands‑on design, real project ownership, and meaningful work? This is a unique opportunity to play a key role on complex federal healthcare and defense facilities that directly support critical national infrastructure.

In this role, you’ll become a primary Revit production lead, supporting impactful projects across Southern California. You’ll work alongside a collaborative, multidisciplinary team where your technical expertise directly influences the performance, safety, and reliability of essential facilities. If you value autonomy, problem‑solving, and high‑quality mechanical design, this role offers both challenge and purpose.

Key Responsibilities

• Take full ownership of Revit modeling and construction documentation for HVAC and plumbing systems
• Update and produce AutoCAD drawings, including as‑builts, legacy files, and design details
• Perform mechanical load calculations using Trane or comparable modeling tools
• Contribute to projects ranging from $25K to $1M in mechanical design scope
• Support senior engineers by independently executing production‑level design tasks and deliverables
• Participate in limited site visits (1–2 days) for field verification and system assessments
• Coordinate closely with architectural, electrical, and controls disciplines on integrated project scopes

What Sets This Role Apart

• Work on mission‑critical federal healthcare and defense projects with national impact
• Exposure to diverse and technically challenging mechanical systems, including medical and industrial facilities
• A hybrid work schedule that balances collaboration with focused independent work
• Long‑term stability with a strong likelihood of conversion to full‑time employment
• A team culture that values initiative, technical craftsmanship, and accountability

Required Qualifications

• Strong Revit expertise with demonstrated ownership of mechanical models
• Proficiency in AutoCAD
• Solid background in both HVAC and plumbing design
  • Plumbing must represent at least 50% of overall design capability
• Experience performing mechanical load calculations and system modeling (Trane, HAP, Carrier, or similar)
• Ability to work independently with minimal oversight
• U.S. Citizenship required due to federal project requirements

Preferred Qualifications

• Experience with industrial or medical facilities
• Exposure to building controls systems and electrical coordination
• Engineer‑in‑Training (EIT) certification or interest in pursuing professional licensure
• Familiarity with federal, VA, or DoD projects

What Success Looks Like

Within your first 90 days, you will:

• Deliver high‑quality HVAC and plumbing design packages in Revit
• Independently manage scoped tasks and smaller project assignments
• Serve as a trusted technical resource supporting senior mechanical leadership
• Be fully integrated into the team’s federal project delivery pipeline

Compensation

This is a Contract to Hire 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)

This is a hybrid position in Irvine,CA.

This position is anticipated to close on Mar 19, 2026.

Diversity, Equity & Inclusion

At Actalent, diversity and inclusion are a bridge towards the equity and success of our people. DE&I is embedded into our culture through:

• Hiring diverse talent
• Maintaining an inclusive environment through persistent self-reflection
• Building a culture of care, engagement, and recognition with clear outcomes
• Ensuring growth opportunities for our people

Actalent is an equal opportunity employer.

About Actalent

Actalent is a global leader in engineering and sciences services. For more than 40 years, we’ve helped visionary companies advance their goals. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APAC—with four delivery centers in India led by 1,000+ extraordinary employees who connect their passion with purpose every day.

Our Bangalore, Hyderabad, Pune, and Chennai delivery centers are hubs of engineering expertise, with core capabilities in mechanical and electrical engineering, systems and software, and manufacturing engineering. Our teams deliver work across multiple industries including transportation, consumer and industrial products, and life sciences. We serve more than 4,500 clients, including many Fortune 500 brands. Learn more about how we can work together at actalentservices.com.