On-Site Mechanical Engineer - Critical Systems & Commissioning

Jacobs; Twin Falls (ID); On-site; USD 95,200 - 130,900; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan

Stock purchase program

Deferred compensation

Paid holidays

PPTO

Job summary

Jacobs is seeking an On-Site Mechanical Engineer for a project near Baton Rouge, LA. The role focuses on leading on-site mechanical systems coordination with construction and design teams to ensure successful installation and commissioning of critical infrastructure.

The candidate should have 10+ years of mechanical experience (or 5+ years in hyperscale data centers), strong knowledge of chilled water and CRAH/CRAC systems, and excellent communication skills to manage RFIs, submittals, and field

Qualifications

• Bachelor's degree in Mechanical Engineering or related discipline.
• 10+ years of mechanical design, construction, commissioning, or operations experience; or 5+ years in hyperscale data center environments.
• Experience with chilled water systems, cooling plants, CRAH/CRAC systems, piping systems, and mission-critical environments.
• Strong understanding of specifications, codes, and industry standards.
• Ability to evaluate field conditions and provide practical solutions.
• Excellent communication and coordination skills.

Responsibilities

• Serve as the primary on-site representative for HVAC, cooling, piping, plumbing, and other mechanical systems.
• Perform daily site observations and assess installation progress and workmanship.
• Coordinate mechanical design clarifications and field solutions with project stakeholders.
• Facilitate responses to RFIs, submittals, equipment substitutions, and field conflicts.
• Support reviews of equipment layouts, utility routing, and coordination between trades.
• Participate in constructability reviews, BIM coordination activities, and mockup evaluations.
• Identify and document mechanical installation deficiencies and opportunities for improvement.
• Support factory testing, bench testing, startup activities, and commissioning preparation.
• Coordinate with QA/QC and commissioning teams to resolve installation issues.
• Attend project meetings and provide technical guidance on mechanical systems.
• Issue weekly reports summarizing observations, risks, corrective actions, and schedule impacts.
• Proactively identify design, quality, and schedule risks and support resolution strategies.

Skills

Site engineering

HVAC systems

Field coordination

Communication

Education

Bachelor's degree in Mechanical Engineering

Tools

BIM coordination

Job description

Jacobs is seeking an On-Site Mechanical Engineer for a project near Baton Rouge, LA. The role focuses on leading on-site mechanical systems coordination with construction and design teams to ensure successful installation and commissioning of critical infrastructure.

The candidate should have 10+ years of mechanical experience (or 5+ years in hyperscale data centers), strong knowledge of chilled water and CRAH/CRAC systems, and excellent communication skills to manage RFIs, submittals, and field