On-Site Mechanical Engineer: Critical Systems & Commissioning

Jacobs; Pensacola (FL); On-site; USD 95,200 - 130,900; Full time

Benefits offered by this job

Medical, dental, vision

401(k) plan

Stock purchase plan

Deferred compensation

Unlimited PPTO

7 paid holidays

Caregiver leave

Bonus opportunities

Stock incentives

Job summary

Jacobs is seeking an On-Site Mechanical Engineer for a Baton Rouge-area project. The role requires a Bachelor’s in Mechanical Engineering and 10+ years in mechanical design, construction, commissioning, or 5+ years in hyperscale data centers.

You’ll lead on-site HVAC, cooling, and piping activities, coordinating with field and design teams to ensure quality and timely delivery. Responsibilities include site observations, RFIs handling, equipment layout reviews, BIM coordination, and

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

Mechanical design experience

Construction experience

Commissioning experience

Hyperscale data center environments

Engineering coordination

Field observations

Education

Bachelor's degree in Mechanical Engineering

Tools

BIM coordination

Job description

Jacobs is seeking an On-Site Mechanical Engineer for a Baton Rouge-area project. The role requires a Bachelor’s in Mechanical Engineering and 10+ years in mechanical design, construction, commissioning, or 5+ years in hyperscale data centers.

You’ll lead on-site HVAC, cooling, and piping activities, coordinating with field and design teams to ensure quality and timely delivery. Responsibilities include site observations, RFIs handling, equipment layout reviews, BIM coordination, and