Senior Grid Infrastructure Commissioning Engineer, BESS

ThinkBAC Consulting

Sr. Energy Storage Commissioning Engineer overseeing technical engineering and project delivery for utility-scale BESS projects.

Posted 5/23/2026full-timeRemote • Illinois • 🇺🇸 United StatesSenior💰 $155,000 per yearWebsite

About the role

Key responsibilities & impact

Technical deliverables for design, construction, and commissioning of utility-scale BESS projects
High-voltage substation, switchyard, and transmission system commissioning oversight
Interconnection agreement (LGIA) negotiation and execution support
RFQ/RFP packages for EPC contractors and engineering consultants
Cross-functional partnership with Transmission, Interconnection, Procurement, and Development teams
On-site presence at projects across the country (~30% travel)
Stakeholder participation in ERCOT, MISO, SPP, and PJM queue reform and large load policy discussion

Requirements

What you’ll need

B.S. or M.S. in Electrical Engineering (Power Engineering preferred)
5-7+ years in project engineering, EPC, construction management, or commissioning in the power industry
Hands-on experience with high-voltage utility substations, switchyards, and transmission systems
Strong understanding of battery energy storage fundamentals and value proposition
Familiarity with ISO/RTO commissioning compliance and LGIA/PPA structures
Proficiency in AutoCAD, Bluebeam, MS Project, and SharePoint
Ability to travel ~30% across project sites
Comfort with AI-enabled tools for engineering productivity
A practical, data-driven mindset for ambiguous, fast-evolving market environments
Candidates that have worked in the following roles for renewable, utility, or clean energy companies would be ideal: Sr. Project Engineer, Commissioning, Commissioning Manager, Manager of Commissioning, High Voltage Commissioning Engineering Supervisor, HV Commissioning Engineer, Lead High Voltage Commissioning Engineer, BESS Commissioning Engineer...or similar

Benefits

Comp & perks

health benefits
open PTO policy
flex work hours
comprehensive compensation packages
opportunity to work with a transparent Executive Leadership Team

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

project engineeringconstruction managementcommissioninghigh-voltage utility substationsswitchyardstransmission systemsbattery energy storageISO/RTO commissioning complianceLGIAPPA structures

Soft Skills

cross-functional partnershipstakeholder participationdata-driven mindsetadaptability