Mechanical Engineer

ROI Agency

. Serve as the lead mechanical SME for mission critical and data center projects .

Posted 11/11/2026full-timeRemote • Arizona • United StatesMid-LevelSenior💰 $120,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mechanical design for mission critical environments, focusing on cooling system concepts and mechanical resiliency strategies. Proficient in leading design phases and coordinating across multiple engineering disciplines while ensuring compliance with industry standards.

Highest-signal resume keywords

Mechanical Design ExperienceCooling Load AnalysisLiquid Cooling TechnologiesASHRAE TC 9.9 KnowledgeProfessional Engineer (PE) License

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cooling System ConceptsChilled Water PlantsDX SystemsRedundancy EvaluationsMechanical Resiliency StrategiesTechnical Oversight of ChillersCooling TowersAHUsBAS ControlsIntegrated Systems Testing

Soft Skills

Technical LeadershipExcellent CommunicationClient-Facing SkillsMentoring Junior Engineers

Tools & Technologies

Cooling TowersCRAHsFan WallsCDU SystemsPumps

Certifications & Qualifications

Professional Engineer (PE)LEED Accredited ProfessionalCertified Energy Manager (CEM)

Industry Keywords

Mission Critical EnvironmentsHyperscale Data CentersColocation FacilitiesHealthcare FacilitiesEnergy Efficiency StrategiesASHRAE StandardsNFPA ComplianceLocal Building Codes

About the role

Key responsibilities & impact

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, 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 chillers, cooling towers, CRAHs, AHUs, fan walls, CDU systems, pumps, and BAS controls
Support utility capacity assessments and campus master planning
Lead technical reviews, QA/QC processes, and commissioning support activities
Mentor junior mechanical engineers and support technical staff development
Travel for project site visits during the Construction Administration phase and site surveys for existing facilities

Requirements

What you’ll need

5–10 years of mechanical design experience in mission critical environments
Experience with hyperscale, colocation, enterprise, healthcare, or other high-availability facilities
Experience with hyperscale, colocation, enterprise, and edge data center environments
Familiarity with liquid cooling technologies, including direct-to-chip and immersion cooling
Experience with central utility plants ranging from 3 MW to 100+ MW campuses
Knowledge of ASHRAE TC 9.9 thermal guidelines, energy efficiency strategies, WUE, and PUE considerations
Experience supporting commissioning, integrated systems testing (IST), and operational readiness reviews
Bachelor's degree in Mechanical Engineering
Professional Engineer (PE) license preferred or actively pursuing licensure
LEED Accredited Professional and/or Certified Energy Manager (CEM) preferred
Strong understanding of ASHRAE, NFPA, IMC, and local building code requirements
Excellent communication, technical leadership, and client-facing skills

Benefits

Comp & perks

All approved business travel expenses reimbursed according to company travel policies
Medical insurance with UnitedHealthcare plan options
Kaiser medical plan options available in California
Health Savings Account (HSA) or Flexible Spending Account (FSA)
Dental insurance through Delta Dental
Vision insurance through EyeMed
Employee Assistance Program (EAP)
401(k) retirement plan with up to 4.5% total employer contributions
Employer match on employee contributions
Discretionary 1% contribution in company shares for eligible employees
Student loan payment matching through retirement contributions
Company-paid life and AD&D insurance
Company-paid short-term and long-term disability insurance
Paid Time Off (PTO)
Parental leave
Supplemental life insurance
Additional long-term disability insurance
Accident, critical illness, and hospital indemnity insurance through MetLife
Legal services through LegalShield
Identity theft protection through LifeLock
Periodic opportunities to purchase company shares directly
Office-based or hybrid work arrangement options may be available