On-Site Mechanical Field Engineer – Data Center Equity

Giga Energy; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Subsidized health, dental, and vision

401(k) with 4% employer match

Unlimited PTO

Parental leave

Job summary

Giga Energy is seeking a Mechanical Field Engineer to keep construction moving on active data center sites. You will write and resolve RFIs, chase design intent, and own change orders end-to-end, coordinating with the Mechanical Superintendent, design team, and subcontractors to ensure accurate paper trails match built work.

You will work daily with on-site teams to ensure drawings and RFIs align, manage documentation, and drive timely resolutions in a fast-paced environment.

Qualifications

• Bachelor's degree in Mechanical Engineering, Construction Management, or a related field.
• 3+ years of experience as a field engineer, project engineer, or similar role on mechanical construction projects.
• Working knowledge of mechanical systems, including 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 a construction project.
• 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

RFI management

Change order management

P&ID reading

Mechanical systems knowledge

Communication

Field engineering

Education

Bachelor's degree in Mechanical Engineering, Construction Management, or related field

Tools

Procore

PlanGrid

Bluebeam

Job description

Giga Energy is seeking a Mechanical Field Engineer to keep construction moving on active data center sites. You will write and resolve RFIs, chase design intent, and own change orders end-to-end, coordinating with the Mechanical Superintendent, design team, and subcontractors to ensure accurate paper trails match built work.

You will work daily with on-site teams to ensure drawings and RFIs align, manage documentation, and drive timely resolutions in a fast-paced environment.