Mechanical Engineer

ROI Agency•Seattle, WA

1d•$120,000 - $170,000•Remote

About The Position

The Mechanical Engineer Subject Matter Expert (SME) is a remote role with occasional travel for project site visits during the Construction Administration (CA) phase and site surveys for existing facilities. Candidates who prefer an office-based or hybrid arrangement may discuss available options. Anticipated travel is 10%–25%, and approved business travel expenses are reimbursed in accordance with company travel policies. The role serves as the technical authority for mechanical systems in mission-critical environments, particularly data centers and other high-availability facilities. The engineer develops and leads HVAC, cooling infrastructure, heat rejection, controls integration, and mechanical resiliency strategies, delivering innovative, energy-efficient, maintainable solutions that meet industry standards and client performance objectives.

Requirements

5–10 years of mechanical design experience in mission-critical 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

Professional Engineer (PE) license or actively pursuing licensure.
LEED Accredited Professional and/or Certified Energy Manager (CEM) certification.
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.

Responsibilities

Serve as the lead mechanical SME for mission-critical and data center projects.
Develop cooling system concepts, including air-cooled and water-cooled chilled water plants, direct expansion (DX) 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 mechanical 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.

Benefits

Medical insurance with four UnitedHealthcare plan options, including PPO and High-Deductible Health Plans; two Kaiser plan options are available in California.
Health Savings Account (HSA) or Flexible Spending Account (FSA), depending on medical plan selection.
Dental insurance with two Delta Dental plan options.
Vision coverage through EyeMed.
Employee Assistance Program (EAP).
401(k) plan with up to 4.5% in total employer contributions, subject to eligibility and plan terms.
Student loan payment matching that can 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 insurance 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.