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Heirloom

Senior Project Engineer – Solar, BESS

Heirloom

. Own the Solar + BESS package end to end, from supplier selection through system energization .

Posted 10/6/2026full-timeUnited StatesSenior💰 $166,000 - $203,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in managing utility-scale solar and BESS projects, including supplier selection, design reviews, and system integration. Proficient in HAZOP/HAZID analysis, technical bid evaluations, and overseeing commissioning and performance testing.

Highest-signal resume keywords
Utility-Scale Solar Project DeliveryBESS Project DeliveryHAZOP/HAZID AnalysisTechnical Bid EvaluationsCommissioning and Performance Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Project EngineeringElectrical Requirements TranslationDesign Review LeadershipSystem IntegrationCapacity TestingPerformance TestingEngineering Procedure DevelopmentChange Order ManagementSupplier OutreachTechnical Negotiation
Soft Skills
CollaborationCommunicationLeadership
Tools & Technologies
SCADA/EMS IntegrationFAT/SATTurnover Packages
Industry Keywords
BESSNFPA 855UL 9540AAHJ EngagementMicrogrid Operating Modes

About the role

Key responsibilities & impact
  • Own the Solar + BESS package end to end, from supplier selection through system energization
  • Translate electrical and controls requirements into solar, BESS and O&M scopes, specifications and datasheets
  • Lead design reviews with integrators, EPCs and the owner's engineer
  • Integrate solar and BESS with on-site generation, data center loads and microgrid operating modes
  • Support HAZOP/HAZID, FMEA, NFPA 855 analysis, UL 9540A review and AHJ/fire marshal engagement
  • Collaborate with Supply Chain on supplier outreach, RFIs, RFPs, bidder Q&A and technical negotiations
  • Prepare technical bid evaluations, leveled bid tabs and award recommendations
  • Oversee vendor and contractor engineering, 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
  • Validate vendor pricing against benchmarks and the financial model; manage change orders
  • Develop engineering procedures, design guides and lessons learned for future deployments

Requirements

What you’ll need
  • At least two utility-scale solar or BESS projects delivered through construction and commissioning
  • Project engineering experience
  • Experience translating electrical and controls requirements into solar, BESS and O&M scopes of work, specifications and datasheets
  • Experience leading design reviews covering layouts, MV collection, protection, SCADA/EMS integration and fire safety
  • Experience integrating solar and BESS with on-site generation, microgrid operating modes and data center loads
  • Experience supporting HAZOP/HAZID, FMEA, NFPA 855 hazard mitigation analysis, UL 9540A review and AHJ/fire marshal engagement
  • Experience with supplier outreach, RFIs, RFPs, bidder Q&A and technical clarifications
  • Experience preparing technical bid evaluations and leveled bid tabs
  • Experience negotiating technical terms, warranties, performance guarantees, delivery and transportation schedules
  • Experience collecting domestic content and supply chain documentation for tax credit eligibility
  • Experience overseeing contractor/vendor engineering progress, inspections, FAT/SAT, delivery, installation and energization
  • Experience leading commissioning, capacity and performance testing, and punch-list closeout
  • Experience delivering turnover packages and operations readiness with an O&M provider
  • Experience maintaining solar and BESS schedules, tracking long-lead equipment and managing change orders
  • Experience developing engineering procedures, design guides and lessons learned
  • US work authorization

Benefits

Comp & perks
  • Excellent health, dental and vision insurance covered up to 100% by Heirloom. FSA option
  • 16 weeks paid parental leave for all Heirloom employees
  • Generous stock options
  • Flexible PTO for exempt (salaried) employees & 120 hours for full time non-exempt (hourly) employees
  • 401(k)
  • Monthly health and wellness reimbursement
  • Annual education and conference budget