Mechanical Engineer

ROI Agency • Sacramento, CA

1d • $120,000 - $170,000 • Remote

About The Position

The Mechanical Engineer serves as a technical subject matter expert for mechanical systems in mission-critical data centers and other high-availability facilities. The role leads the design of HVAC, cooling infrastructure, heat rejection systems, controls integration, and mechanical resiliency strategies, developing energy-efficient and maintainable solutions that meet industry standards and client performance objectives.

This is a remote position with occasional travel for project site visits during the Construction Administration phase and site surveys at existing facilities. Anticipated travel is 10%–25%; approved business travel expenses are reimbursed under company policy. Candidates interested in an office-based or hybrid arrangement may discuss available options. The stated annual salary range is $120,000–$170,000.

The engineer leads mechanical design across project phases, from feasibility through construction administration, and provides technical oversight, quality reviews, commissioning support, and mentorship. Projects may involve hyperscale, colocation, enterprise, healthcare, or other high-availability environments.

Requirements

• 5–10 years of mechanical design experience in mission-critical environments.
• Experience with hyperscale, colocation, enterprise, and edge data center environments.
• Bachelor's degree in Mechanical Engineering.
• Strong understanding of ASHRAE, NFPA, IMC, and local building code requirements.
• Excellent communication, technical leadership, and client-facing skills.

Nice To Haves

• Experience with hyperscale, colocation, enterprise, healthcare, or other high-availability facilities.
• Familiarity with liquid cooling technologies, including direct-to-chip and immersion cooling applications.
• Experience with central utility plants ranging from 3 MW to 100+ MW campuses.
• Knowledge of ASHRAE TC 9.9 thermal guidelines, energy-efficiency strategies, water usage effectiveness (WUE), and power usage effectiveness (PUE) considerations.
• Experience supporting commissioning, integrated systems testing (IST), and operational readiness reviews.
• Professional Engineer (PE) license, or actively pursuing licensure.
• LEED Accredited Professional and/or Certified Energy Manager (CEM) credential.

Responsibilities

• Serve as the lead mechanical subject matter expert for mission-critical and data center projects.
• Develop cooling system concepts, including air-cooled and water-cooled chilled water plants, direct expansion systems, and liquid cooling solutions.
• Lead mechanical design through feasibility, concept, schematic, design development, construction documents, and construction administration phases.
• Perform and oversee cooling load analysis, equipment selection, and redundancy evaluations.
• Develop resiliency strategies for N, N+1, 2N, and concurrently maintainable designs.
• Coordinate with electrical, controls, plumbing, structural, telecommunications, and architectural disciplines.
• Provide technical oversight of vendor equipment, including chillers, cooling towers, CRAHs, AHUs, fan walls, CDU systems, pumps, and BAS controls.
• Support utility capacity assessments and campus master planning efforts.
• Lead technical reviews and QA/QC processes, and support commissioning activities.
• Mentor junior mechanical engineers and support technical staff development.
• Support integrated systems testing and operational readiness reviews, as applicable.

Benefits

• Medical insurance, with UnitedHealthcare plan options and Kaiser options available in California.
• Health Savings Account (HSA) or Flexible Spending Account (FSA), depending on medical plan selection.
• Dental insurance.
• Vision insurance.
• Employee Assistance Program (EAP).
• 401(k) retirement plan with up to 4.5% in total employer contributions, subject to eligibility and plan conditions.
• Student loan payment matching that may qualify for employer retirement contributions.
• Company-paid life and AD&D insurance.
• Company-paid short-term and long-term disability insurance.
• Paid time off (PTO).
• Parental leave.
• Optional supplemental life and additional long-term disability insurance.
• Optional accident, critical illness, and hospital indemnity insurance.
• Optional legal services and identity theft protection.
• Periodic opportunities to purchase company shares directly.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level