Data Center Mechanical Field Engineer: RFI & Change Orders

Giga Energy; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

Giga Energy seeks a Mechanical Field Engineer to keep mechanical construction moving on active data center sites. You will write and resolve RFIs, chase design intent and code requirements, own end-to-end change orders, price them with the team, and drive resolution to approval.

You will work daily with the Mechanical Superintendent, design team, and subcontractors to ensure the paper trail matches what’s built, and you’ll support field layout and as-built documentation.

Qualifications

• Bachelor's degree in Mechanical Engineering, Construction Management, or related field.
• 3+ years as a field engineer, project engineer, or similar role on mechanical construction projects.
• Experience with CRAH/CRAC, chillers, piping, and BMS/controls.
• Ability to read and interpret P&IDs, mechanical specifications, and equipment schedules.
• Experience writing and managing RFIs and change orders on construction projects.
• Strong organizational skills, with the ability to track multiple open items across a fast-moving job site.
• Strong written communication skills, with the ability to document technical issues clearly for design teams and ownership.

Responsibilities

• Identify, write, and track RFIs for mechanical scope, ensuring clear documentation of the issue, impact, and requested resolution
• Follow up with design teams and engineers of record to drive RFIs to timely closure, escalating stalled items
• Review mechanical drawings, specifications, and P&IDs to spot discrepancies, conflicts, or missing information before they become field problems
• Identify potential change order conditions in the field and document them accurately and promptly
• Prepare change order requests, including scope description, backup documentation, and cost/schedule impact
• Coordinate with project controls, PMs, and subcontractors to price, negotiate, and resolve change orders
• Maintain a change order and RFI log, and report status regularly to the Mechanical Superintendent and Project Director
• Support field layout and installation checks to verify work matches approved drawings and RFI/change order resolutions
• Coordinate with commissioning and controls teams to ensure resolved RFIs and change orders are reflected in as-built documentation
• Assist with material takeoffs and procurement follow-up tied to approved change orders

Skills

Strong organizational skills

Strong written communication

Education

Bachelor's degree in Mechanical Engineering or related field

Tools

PlanGrid

Bluebeam

Procore

Job description

Giga Energy seeks a Mechanical Field Engineer to keep mechanical construction moving on active data center sites. You will write and resolve RFIs, chase design intent and code requirements, own end-to-end change orders, price them with the team, and drive resolution to approval.

You will work daily with the Mechanical Superintendent, design team, and subcontractors to ensure the paper trail matches what’s built, and you’ll support field layout and as-built documentation.