Mechanical Engineer u2013 HVAC & Plumbing

Mechanical Engineer u2013 HVAC & Plumbing (Missionu2011Critical Facilities) Location: Irvine, CA Work Model: Onsite ramp Hybrid (performanceu2011based) Employment Type: Longu2011term consulting opportunity with strong conversion intent This role is for engineers who do the work. If youu2019re a Mechanical Engineer who still designs systems, runs calculations, and owns deliverablesu2014and youu2019re tired of roles that are drifting toward coordination, redlines, or meetingsu2014youu2019ll want to read this. This opportunity supports missionu2011critical federal and defense facilities where HVAC and plumbing systems are far more complex than standard commercial buildings. Think facilities where ventilation, redundancy, and performance actually matter. What Youu2019ll Be Doing Youu2019ll be a handsu2011on mechanical contributor, working under senior guidance while owning real scope: + Design HVAC and plumbing systems for complex facilities + Run mechanical calculations independently, including: + Load calculations + Equipment sizing + Pump calculations + Produce and contribute directly to Revitu2011based design documentation + Apply engineering judgmentu2014not just software outputsu2014when results donu2019t look right + Support multiple projects simultaneously in a lean, technical team + Coordinate with architectural, electrical, and structural disciplines + Participate in short, local site visits for field verification This is not a PM role and not a redlineu2011only position. What Makes This Role Different + Execution matters here u2014 titles and licensure donu2019t replace doing the work + Youu2019ll work on federal and defense infrastructure, not generic commercial buildings + Systems are technically challenging and purposeu2011driven + senior engineers want support from someone who can carry real design load + Clear expectations, fast decisions, and low politics This Role Is a Fit If You Can Honestly Say: + u201cI designed this system.u201d + u201cI ran these calculations.u201d + u201cI produced these Revit drawings.u201d + u201cIu2019ve done this on more than one project.u201d Minimum Qualifications + 5u20137+ years of mechanical building systems experience + Handsu2011on HVAC and plumbing design experience (both are required) + Strong background in mechanical calculations + Revit experience (prior production use required; refresher acceptable if rusty) + Ability to work onsite during rampu2011up + U.S. citizenship (required for federal project access) Niceu2011tou2011Haves + EIT or PE (helpful, not required) + Federal / VA / DoD project experience + Industrial or medical facility exposure + Controls coordination experience Not a Fit Ifu2026 + Your recent roles were PMu2011only, coordinationu2011only, or oversightu2011focused + You havenu2019t personally designed systems or run calculations in years + Your experience is HVACu2011only with little or no plumbing + Youu2019re looking for a fully remote role Compensation $120,000 u2013 $150,000 base (DOE) Compensation is tied to handsu2011on execution, technical depth, and independenceu2014not just years or credentials. Why Engineers Choose This Team + Highu2011impact, technically challenging work + Longu2011term stability with real conversion intent + Hybrid flexibility once youu2019ve proven yourself + A culture that values engineering judgment and ownership Interested? If youu2019re an engineer who still enjoys designing, calculating, and solving real problems, this is worth a conversation. Apply to learn more. Job Type & Location This is a Permanent position based out of Irvine, CA. Pay and Benefits 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: u2022 Medical, dental & vision u2022 Critical Illness, Accident, and Hospital u2022 401(k) Retirement Plan u2013 Pre-tax and Roth post-tax contributions available u2022 Life Insurance (Voluntary Life & AD&D for the employee and dependents) u2022 Short and long-term disability u2022 Health Spending Account (HSA) u2022 Transportation benefits u2022 Employee Assistance Program u2022 Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a hybrid position in Irvine,CA. Application Deadline This position is anticipated to close on May 8, 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, weu2019ve helped visionary companies advance their goals. Headquartered in the United States, our teams span 150 offices across North America, EMEA, and APACu2014with 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 .

Created: 2026-05-04