Manager/Sr. Manager Transmission and Interconnection

Company Overview GridStor is a rapidly growing, grid‑scale energy storage developer, owner and operator backed by Goldman Sachs Asset Management ("GSAM") and led by experienced clean energy industry professionals. We acquire and develop battery storage projects in markets across North America. GridStor’s mission is to accelerate the transition to a carbon‑free, resilient grid by rapidly deploying stand‑alone energy storage at scale. GridStor is based in Portland, Oregon, and offers competitive compensation and a wide selection of benefits including unlimited paid time off. Role Summary GridStor is looking for a highly motivated and experienced Manager, Transmission and Interconnection. The successful candidate will play a key role in overseeing and managing projects related to the interconnection of large stand‑alone energy storage systems. This position requires in‑depth knowledge of power system planning, project management, and working with various energy industry stakeholders across multiple ISO’s. This position will report to the Vice President of Transmission and Interconnection, and will be based in Portland, OR. Key Responsibilities Interconnection Management, ERCOT and SPP: Lead and manage standalone energy storage interconnection activities across ERCOT and SPP markets. Oversee preparation, submission, and execution of ERCOT interconnection stages (Stages1,2, and3) and SPP DISIS processes. Coordinate development of interconnection request packages, including application forms, site layouts, technical data, and security postings. Manage consultants and internal stakeholders to ensure timely and high‑quality interconnection deliverables. Provide internal teams with clear schedules, milestones, risks, and expectations throughout the interconnection lifecycle. Transmission Planning & Asset Siting: Support greenfield project siting and transmission due diligence activities. Evaluate: Node‑level market and congestion data Substation expandability Transmission availability and constraints Commercial attractiveness Proximity to potential offtake/load centers Utilize transmission planning tools, OASIS/OATI resources, ISO data, and consultant studies to assess project viability and risk. Interconnection Study Review & Risk Assessment: Review and analyze interconnection study results and technical reports. Develop clear, easy‑to‑navigate internal summaries highlighting: Project feasibility Network upgrade exposure Cost and schedule impacts Key risks and mitigation strategies Support development teams with decision‑making and project prioritization. Track evolving project risks throughout study and execution phases. Technical Compliance & Industry Knowledge: Ensure compliance with applicable grid codes, interconnection requirements, and transmission planning criteria. Stay informed on: ISO/RTO queue reform initiatives Transmission expansion activities Hybrid and storage integration requirements Industry best practices and evolving market rules Leadership & Cross‑Functional Collaboration: Lead and mentor junior staff and support day‑to‑day team operations. Foster a collaborative and solutions‑oriented work environment. Influence cross‑functional decisions through strong technical knowledge, communication, and stakeholder management. Effectively manage difficult conversations, competing priorities, and conflict resolution with minimal supervision. (Sr Manager) Project Due Diligence & M&A Support: Support interconnection due diligence activities for project acquisitions ranging from early‑stage to late‑stage assets. Identify fatal flaws, technical constraints, schedule risks, and transmission‑related commercial impacts. Coordinate with consultants and internal teams to assess upgrade exposure, deliverability risks, and interconnection positioning. Support investment and acquisition decision‑making with technical and commercial analysis. (Sr Manager) EPC & Late‑Stage Project Execution Support: Partner closely with EPC, Engineering, Development, and Project Management teams to support successful execution of late‑stage projects. Coordinate with utilities and ISOs regarding project milestones, deliverables, outages, and construction‑related activities. Help resolve technical and schedule‑related issues impacting project execution. Ensure transparent communication and effective translation of technical information for both technical and non‑technical audiences. (Sr Manager) Stakeholder Coordination & Industry Engagement: Collaborate with utilities, ISOs/RTOs, consultants, regulatory agencies, and external stakeholders to facilitate project execution and ensure compliance. Represent GridStor in: Stakeholder forums Regulatory proceedings ISO/RTO working groups Interconnection policy discussions Track transmission policy developments, queue reforms, and grid code changes. Support Government Affairs and leadership teams in interconnection advocacy efforts. Preferred Qualifications Experience managing interconnection activities in ERCOT and/or SPP. Strong understanding of transmission systems, utility processes, and ISO/RTO market structures. Familiarity with OASIS/OATI platforms, transmission planning concepts, and interconnection studies. Experience supporting utility‑scale renewable and/or energy storage projects. Strong analytical, organizational, and project management skills. Excellent written and verbal communication abilities. Ability to manage multiple projects simultaneously in a fast‑paced environment. Qualifications & Competencies Education: Bachelor’s degree in electrical engineering, master’s in power systems a plus. Experience: Minimum of 5 years (7 years for senior manager) of progressive experience working with utilities, system operators, energy consulting firms, or independent power producers. Strong knowledge of the ERCOT and/or SPP grids, interconnection process, stakeholders, and regulations. Knowledge of the interconnection process in CAISO, WECC, MISO, or PJM are a plus. Location & Availability: Preference to be based in Portland, OR and available to work a hybrid schedule. Organizational Skills: Exceptional organizational abilities with keen attention to detail; capable of managing multiple tasks simultaneously in a fast‑paced environment and seeing delegated projects through to completion. Adaptability: Ability to be agile and flexible, readily taking on tasks outside the typical scope of the role as needed. Confidentiality: Proven ability to handle highly confidential information with utmost discretion. Integrity & Judgment: Strong track record of excellent judgment and integrity in previous roles. Technical Proficiency: Demonstrated proficiency in the Microsoft Office suite and TEAMS. Proven experience in project management related to interconnection of large load, conventional, and renewable power plants and energy storage systems. Familiarity with a broad range of power system planning software (e.g., PSS/e, PowerWorld, PSLF) and relevant tools and approaches. Strong understanding of budgeting, financial analysis, and cost optimization related to transmission and interconnection projects. Communication Skills: Excellent verbal, written, and interpersonal communication skills, and ability to effectively work with cross‑functional stakeholders. Problem‑Solving: Adaptable, with the ability to prioritize tasks effectively and approach challenges with a creative, proactive mindset. Team Orientation: Highly motivated to support and collaborate with team members, contributing to collective success. Compensation and Benefits GridStor offers an attractive Total Rewards package, including: Competitive base salaries commensurate with experience with an annual cash bonus (based on Company and individual performance) Generous paid leave Employee participation in Long Term Incentive Plan Comprehensive benefits package including medical, dental, vision, life, and disability insurance, including coverage for domestic partners and eligible domestic partner children HSA/FSA for participating employees 401(k) plan with company match and immediate vesting Continuing education and professional development Cellphone reimbursement, hybrid work environment, healthy snacks, volunteer opportunities, company outings, and more. #J-18808-Ljbffr