Senior Mechanical Engineer - Data Center

ARCO/Murray Power Solutions•Downers Grove, IL

2d•$95,000 - $165,000

About The Position

ARCO/Murray Engineering is seeking a Senior Mechanical Engineer to join its Mission Critical Engineering team in Downers Grove, Illinois. The role leads the full mechanical scope for hyperscale, colocation, and enterprise data center projects, including development of complex cooling and mechanical infrastructure for high-availability facilities. The engineer will work within a growing design/build group and collaborate with construction partners, project managers, and commissioning teams to deliver reliable, scalable, and efficient data center solutions.

Requirements

7–20 years of mechanical engineering experience with data centers or mission-critical systems.
Bachelor’s degree in Mechanical Engineering, Architectural Engineering, or a related field.
Proficiency with Revit and AutoCAD.
Strong understanding of critical cooling systems and redundancy strategies.
Ability to manage multiple fast-paced projects.
Willingness to travel to project sites as required, approximately 10–30%.

Nice To Haves

Experience in design/build.
Familiarity with engineering deliverables in a general contractor setting, such as design-build or EPC support.

Responsibilities

Lead mechanical design for mission-critical data centers, including chilled water systems, DX systems, CRAH/CRAC, heat rejection, and white-space cooling.
Guide system development from early concept and basis of design through construction documentation, commissioning, and turnover.
Apply ASHRAE TC 9.9 guidance and critical environment standards to support reliability and efficiency.
Perform cooling load calculations, coordinate CFD, and size mechanical equipment.
Coordinate with electrical, controls, and architectural teams to integrate systems that support N, N+1, and 2N redundancy.
Generate design and construction documents using Revit and AutoCAD.
Support construction by reviewing RFIs, submittals, and field conditions.

Benefits

Industry-leading performance-based bonus program.
Employee Stock Ownership Plan (ESOP).
Traditional and Roth 401(k).
Tuition reimbursement for associates.
Scholarships for associates’ children, up to $28,000 per child.
One-month paid sabbatical after every five years of employment, plus $5,000 for travel.
One week of paid volunteer leave each year.
100% charitable match.
Medical, dental, and vision insurance coverage.
Paid parental leave.