Senior Solar & BESS Project Engineer — End-to-End Lead

Heirloom Carbon; Brisbane (CA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Excellent health, dental and vision

16 weeks paid parental leave

Generous stock options

Flexible PTO- 120 hours full-time

401(k)

Wellness reimbursement

Education budget

Job summary

Heirloom Carbon is building the solar and storage backbone of a first-of-its-kind clean power plant. Energy Park P1 pairs a 1.1 GWh battery and on-site solar with zero-emission energy to power a hyperscale data center.

You’ll own the Solar + BESS package end to end, from selecting suppliers to energizing the system, on a small team where your decisions shape the project and the template for future deployments.

Responsibilities

• Translate standard electrical and controls requirements into solar, BESS and O&M scopes of work, specifications and datasheets
• Lead design reviews with integrators, EPCs and the owner’s engineer (layouts, MV collection, protection, SCADA/EMS integration, fire safety)
• Own technical integration of solar and BESS with on-site generation and data center loads, including microgrid operating modes
• HAZOP/HAZID, FMEA, NFPA 855 hazard mitigation analysis, UL 9540A review and AHJ/fire marshal engagement
• Collaborate with Supply Chain on supplier outreach, RFIs and RFPs; manage bidder Q&A and clarifications
• Prepare technical bid evaluations and leveled bid tabs; recommend awards
• Collaborate with Supply Chain on: Negotiate technical terms, warranties, performance guarantees, delivery and transportation schedules
• Collect domestic content and supply chain documentation needed for tax credit eligibility
• Oversee contractor and vendor engineering progress, inspections, FAT/SAT, delivery, installation and energization
• Lead commissioning, capacity and performance testing, and punch-list closeout
• Deliver turnover packages and operations readiness with the O&M provider
• Maintain the solar and BESS schedule; track long-lead equipment and flag risks early
• Validate vendor pricing against benchmarks and the financial model; manage change orders
• Develop engineering procedures, design guides and lessons learned for future deployments

Job description

Heirloom Carbon is building the solar and storage backbone of a first-of-its-kind clean power plant. Energy Park P1 pairs a 1.1 GWh battery and on-site solar with zero-emission energy to power a hyperscale data center.

You’ll own the Solar + BESS package end to end, from selecting suppliers to energizing the system, on a small team where your decisions shape the project and the template for future deployments.