Mechanical Engineer

ROI Agency • Nashville, TN

1d • $120,000 - $170,000 • Remote

About The Position

Seeking an experienced Mechanical Engineer to serve as a subject matter expert for mission-critical mechanical systems in data centers and other high-availability facilities. The role provides technical leadership for HVAC, cooling infrastructure, heat rejection systems, controls integration, and mechanical resiliency strategies, developing innovative, energy-efficient, and maintainable solutions that meet industry standards and client performance objectives.

This is a remote position with anticipated travel of 10%–25% for project site visits during construction administration and site surveys for existing facilities. Approved business travel expenses are reimbursed under company travel policies. Candidates interested in an office-based or hybrid arrangement may discuss available options.

The position leads mechanical design from feasibility through construction administration, including cooling-system concepts, load analysis, equipment selection, redundancy evaluations, coordination across disciplines, technical reviews, QA/QC, and commissioning support. It also supports utility capacity assessments and campus master planning and mentors junior mechanical engineers.

The annual salary range is $120,000–$170,000. Benefits include medical, dental, and vision insurance; HSA or FSA options; an Employee Assistance Program; 401(k) employer contributions; student loan payment matching; company-paid life, AD&D, and disability insurance; paid time off; parental leave; and optional supplemental coverage and programs. Eligible employees may also have periodic opportunities to purchase company shares directly. Benefits are subject to plan terms, eligibility requirements, and company policies.

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

• 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) certification.

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 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.
• Travel for project site visits during construction administration and site surveys for existing facilities.

Benefits

• Medical insurance with UnitedHealthcare plan options and Kaiser plan options in California.
• Health Savings Account (HSA) or Flexible Spending Account (FSA), depending on medical plan selection.
• Dental insurance through Delta Dental.
• Vision insurance through EyeMed.
• Employee Assistance Program (EAP).
• 401(k) retirement 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, subject to eligibility and plan terms.
• 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, additional long-term disability insurance, accident, critical illness and hospital indemnity insurance, legal services, and identity theft protection.
• Periodic opportunities to purchase company shares directly.

What This Job Offers

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