Senior On-Site Engineer for Energy Storage Projects

Colliers Engineering & Design; Rosamond (CA); On-site; USD 160,000 - 185,000; Full time

Benefits offered by this job

Employer-Provided Healthcare

Paid Time Off: 120 hours PTO/Sick Time

401(k) retirement plan with generous 5

Flexible Spending Accounts

Employee Assistance Program

Career growth opportunities

Job summary

Colliers Engineering & Design, via Ramos CS, seeks a Resident Engineer to provide senior on-site engineering oversight for the Willow Rock Energy Storage Center in Kern County, CA. You will coordinate four 130 MW turbine trains, thermal storage, air storage cavern, and the 19‑mile gen‑tie to the Whirlwind substation.

The ideal candidate holds a California PE license, has 10+ years in heavy industrial construction, and can lead EPC contractor teams while upholding a safety-first approach on site.

Qualifications

• Bachelor's degree in Civil, Mechanical, Electrical, or related Engineering discipline.
• Active California Professional Engineer (PE) license required.
• 10+ years of experience in heavy industrial construction, with demonstrated ability to respond to engineering questions in the field.
• Strong understanding of design engineering concepts across civil, structural, mechanical, and/or electrical disciplines.
• Ability to read, write and understand English for purposes of comprehending written job-related communications and verbal instructions and interactions.
• Experience on power generation, energy storage, or other heavy industrial/utility-scale projects.
• Experience working alongside EPC contractors and multi-disciplinary design teams.
• Availability for regular site visits and meetings — full-time field presence is not required.

Responsibilities

• Serve as the senior engineering point of contact on-site, responding to design and engineering questions raised by contractors and field staff.
• Review contractor submittals, RFIs, and change order requests for technical accuracy and conformance with design intent.
• Oversee and support Field Engineers and Construction Inspectors, providing technical guidance and quality control direction.
• Monitor construction progress against design documents, specifications, and project schedule.
• Attend and lead site meetings, progress meetings, and technical coordination calls as needed.
• Review and approve engineering documentation, as-built conditions, and field-generated design changes.
• Identify and help resolve field conditions that require engineering re-design or contract change orders.
• Promote a Safety First approach across all site activities.

Skills

Civil engineering

Electrical engineering

Field leadership

Site coordination

Education

Bachelor's degree in Civil, Mechanical, Electrical, or related Engineering

Job description

Colliers Engineering & Design, via Ramos CS, seeks a Resident Engineer to provide senior on-site engineering oversight for the Willow Rock Energy Storage Center in Kern County, CA. You will coordinate four 130 MW turbine trains, thermal storage, air storage cavern, and the 19‑mile gen‑tie to the Whirlwind substation.

The ideal candidate holds a California PE license, has 10+ years in heavy industrial construction, and can lead EPC contractor teams while upholding a safety-first approach on site.