Flatiron Energy

Role Description Key legal team member reporting to Senior Counsel, supporting the company’s commercial, financing, and development objectives across a large portfolio of utility-scale standalone storage projects. This role partners with cross-functional teams to negotiate critical project agreements, execute transactions, and advance projects from development through operations. The ideal candidate is highly self-motivated and proactive, able to independently drive complex workstreams, exercise sound judgment, and build practical solutions to evolving challenges. Candidates should have a background in either project finance/investment transactions or EPC, procurement, and operational project agreements. The position offers regular exposure to executive leadership, meaningful ownership from day one, and a clear path for increasing responsibility as the legal function and portfolio scale. Key Responsibilities - Take ownership of discrete transactions and project workstreams, with appropriate guidance from Senior Counsel. - Provide legal support for project financings and investment transactions, including coordination with lenders, investors, and outside counsel. - Support in the development, structuring, negotiation, and execution of key project agreements, including EPC contracts, O&M agreements, and major equipment procurement agreements. - Work closely with the development, finance, asset management, and operations teams to identify risks and develop practical solutions that advance projects to successful deployment. - Contribute to the management of the company’s contracted portfolio, including negotiation, implementation, and ongoing interpretation of key project and commercial documents. - Coordinate with and manage external counsel, counterparties, and advisors to efficiently execute transactions and project agreements. Qualifications - Juris Doctor degree with 2-5 years of experience focused on renewable energy, energy storage, power generation, or other energy practice; in-house experience preferred. - Active bar membership in at least one U.S. jurisdiction. - Experience supporting complex infrastructure or energy transactions, including project finance or major commercial contracting. - Excellent drafting and negotiation skills, with the ability to distill complex legal and commercial concepts into clear, workable agreements. - Strong interest in working across the full lifecycle of energy storage projects, from development and financing through construction and operations. - Ability to engage thoughtfully with both transactional and operational legal issues that arise as projects are developed and deployed. - Comfortable working in a lean, collaborative environment with meaningful responsibility and regular interaction with senior leadership. - Candidates with experience focused on project finance and investment transactions, as well as those with experience focused in construction, procurement, and operational project agreements, are encouraged to apply. Requirements - Permanent, Full-time job type. - Competitive base salary commensurate with experience. - Competitive bonus based on the achievement of milestones and performance. Benefits - Excellent benefit package with health care, dental, vision, and other health and wellness benefits. - A 401 K with company matching is provided.

Role Description Flatiron Energy is seeking a highly experienced and commercially driven Vice President of Transmission to lead the company’s interconnection strategy and function across Flatiron’s utility-scale standalone battery storage portfolio. This executive will oversee all transmission planning and interconnection activities across ISO-NE, NYISO, and PJM. The role will directly manage a growing transmission and interconnection team, including two senior transmission managers, and serve as a key strategic partner to Development, Commercial, Operations, Finance, and Executive Leadership. The ideal candidate brings deep technical expertise, strong commercial instincts, proven leadership capability, and extensive experience navigating and negotiating complex interconnection and transmission processes for transmission-connected energy storage and renewable energy projects. Key Responsibilities - Leadership & Strategy - Lead Flatiron’s transmission function across all development markets and projects. - Develop and execute portfolio-wide interconnection and transmission strategies that maximize project value, reduce schedule risk, and improve probability of successful commercialization. - Manage, mentor, and develop a high-performing team of transmission professionals. - Serve as a senior internal advisor to Executive Leadership on transmission constraints, queue positioning, congestion dynamics, deliverability, upgrade exposure, interconnection refundability, and evolving market rules. - Support corporate growth initiatives, including greenfield development, acquisitions, joint ventures, and market expansion. - Interconnection Management - Oversee all aspects of the interconnection lifecycle across PJM, NYISO, and ISO-NE, including application strategy, feasibility assessments, system impact studies, facilities studies, cost allocation, milestone compliance, and queue management. - Understand interconnection processes, timelines, and tariff structures across Flatiron’s core markets and advise on optimal connection strategy using queue and hosting capacity data. - Direct engagement with ISOs/RTOs, transmission owners, utilities, consultants, and regulatory stakeholders to advance projects efficiently and proactively resolve issues. - Drive strategy around withdrawal risk, cluster study exposure, restudies, and transmission upgrade mitigation. - Evaluate and optimize points of interconnection, queue positioning, deliverability pathways, and commercial transmission opportunities. - Lead negotiations related to interconnection agreements, study assumptions, transmission service, and related commercial arrangements. - Manage the portfolio of interconnection studies and application milestones; maintain timelines, reporting, and stakeholder coordination. - Provide interconnection expertise to interconnection managers during project due diligence, financing, and hand-off to execution teams. - Technical & Analytical Oversight - Provide technical leadership on transmission planning, power flow analysis, dynamic modeling, and system reliability considerations affecting standalone BESS projects. - Oversee internal and third-party technical studies, including thermal, stability, short-circuit, PSCAD, EMT, and production cost modeling analyses. - Utilize queue data, hosting capacity analysis, congestion trends, and transmission expansion plans to guide site selection and portfolio prioritization. - Cross-Functional Execution - Partner closely with Development, Finance, Commercial, and Operations teams to ensure seamless transition from development through execution. - Support permitting, procurement, financing, and commercial contracting processes with transmission and interconnection expertise. - Establish scalable internal processes, reporting frameworks, and portfolio management tools to support rapid company growth. - Monitor and influence regulatory and market developments affecting transmission planning, interconnection reform, storage participation, and grid modernization. Qualifications - Bachelor’s degree in Electrical Engineering or related technical field required; Master’s or post-doctorate degree preferred. - +12 years of progressive experience in transmission planning, interconnection, or power systems engineering within utility-scale renewable energy, energy storage, utility, ISO/RTO, consulting, or infrastructure development environments. - Significant experience leading interconnection strategy for transmission-connected standalone battery energy storage projects. - Deep expertise in PJM, NYISO, and/or ISO-NE interconnection processes, tariffs, market rules, and transmission planning frameworks. - Strong technical foundation in power systems engineering, including load flow analysis, dynamic studies, short-circuit analysis, protection systems, and grid integration standards. - Familiarity with industry tools such as PSSE, PSLF, TARA, ASPEN, PSCAD, PowerWorld, or equivalent transmission modeling software. - Demonstrated leadership experience managing teams, consultants, and complex multi-project development portfolios. - Strong commercial acumen and ability to translate technical transmission risks into actionable business decisions. - Proven ability to operate effectively in fast-paced, entrepreneurial environments with evolving priorities. - Exceptional communication, stakeholder management, negotiation, and presentation skills. Preferred Experience - Experience supporting project finance, tax equity, or acquisition diligence processes. - Existing relationships with ISOs/RTOs, transmission owners, utilities, and key industry stakeholders. - Experience with transmission congestion analysis, deliverability assessments, and nodal market dynamics. - Familiarity with FERC transmission and interconnection reform initiatives. - PE license is a plus but not required. Compensation and Location - Job Type: Permanent, Full-time - Salary: Competitive base salary commensurate with experience - Bonus: Competitive bonus based on the achievement of development milestones and performance. - Benefits: Flatiron offers an excellent benefit package with excellent health care, dental, vision, and other health and wellness benefits. - Location: Ability to work in the United States is a requirement. Prefer candidate to be based in New York City, Boston or Denver. However, location of workplace is flexible provided candidate can travel as required.

• Own employee relations matters end-to-end, from candidate hiring to new hire training to employee performance management • Organize and run annual and quarterly performance review cycles (communications, manager enablement, and completion tracking) • Partner with leadership to improve consistency across pay scales and internal alignment on job titles/levels across teams • Work with management to communicate performance improvement issues as requested and develop constructive ways to work on areas of improvement • Develop and lead reporting to senior management on key performance metrics for hiring and employee performance; support basic benchmarking with standardized KPIs • Serve as primary point of contact with candidates, ensuring efficient movement through the hiring process, including coordinating travel and schedules with the Executive Assistant • Coordinate corporate insurance policy administration (ensure policies are current, negotiate renewals or new coverage, and confirm employee classifications/codes are accurate • Maintain all HR files and records, including offer letters and employment agreements • Serve as primary owner/admin for our employee platform (Gusto), including employee data accuracy (titles, org chart), signatures/acknowledgements, and day-to-day HR operations • Coordinate payroll administration and resolve day-to-day payroll/tax-related issues in partnership with Finance and external providers as needed • Own benefits administration including plan documentation, communications, open enrollment coordination, and being the point of contact for benefits questions and life-event changes • Develop and maintain comprehensive onboarding materials (including benefits guides, FAQs, and plan comparisons) to ensure a consistent and transparent new hire experience • Partner closely with Finance to maintain inputs for SG&A planning (forecasted hiring, start dates, compensation, etc.) • Serve as primary owner/admin for our candidate tracking system (Greenhouse), including maintaining candidate records, timely updates, and ensure key hiring data is captured • Improve and maintain HR templates for offer letters, employment agreements, and equity-related agreements (in coordination with Legal/Finance as needed) • Help maintain Flatiron culture and facilitate team connection through the ideation and planning of team building events

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description The Senior HR Manager will play a key role in building out Flatiron’s human resources function and supporting our employees, enabling the growth of our employees in their careers. Reporting directly to the CEO, you’ll own employee relations matters end-to-end, drive consistency in performance management, hiring workflows, documentation, benefit management, and employee engagement. - Own employee relations matters end-to-end, from candidate hiring to new hire training to employee performance management - Organize and run annual and quarterly performance review cycles (communications, manager enablement, and completion tracking) - Partner with leadership to improve consistency across pay scales and internal alignment on job titles/levels across teams - Work with management to communicate performance improvement issues as requested and develop constructive ways to work on areas of improvement - Develop and lead reporting to senior management on key performance metrics for hiring and employee performance; support basic benchmarking with standardized KPIs - Serve as primary point of contact with candidates, ensuring efficient movement through the hiring process, including coordinating travel and schedules with the Executive Assistant - Coordinate corporate insurance policy administration (ensure policies are current, negotiate renewals or new coverage, and confirm employee classifications/codes are accurate) - Maintain all HR files and records, including offer letters and employment agreements - Serve as primary owner/admin for our employee platform (Gusto), including employee data accuracy (titles, org chart), signatures/acknowledgements, and day-to-day HR operations - Coordinate payroll administration and resolve day-to-day payroll/tax-related issues in partnership with Finance and external providers as needed - Own benefits administration including plan documentation, communications, open enrollment coordination, and being the point of contact for benefits questions and life-event changes - Develop and maintain comprehensive onboarding materials (including benefits guides, FAQs, and plan comparisons) to ensure a consistent and transparent new hire experience - Partner closely with Finance to maintain inputs for SG&A planning (forecasted hiring, start dates, compensation, etc.) - Serve as primary owner/admin for our candidate tracking system (Greenhouse), including maintaining candidate records, timely updates, and ensure key hiring data is captured - Improve and maintain HR templates for offer letters, employment agreements, and equity-related agreements (in coordination with Legal/Finance as needed) - Help maintain Flatiron culture and facilitate team connection through the ideation and planning of team building events Qualifications - Bachelor’s Degree or higher in a business, sustainability, or related field - 7+ years of HR/People Ops experience with strong exposure to employee relations, compliance, and performance management - Demonstrated ability to run performance review cycles and build practical manager-facing processes that enable employees to receive periodic feedback - Experience owning HR systems and workflows (HRIS/payroll + ATS); and comfort working with management to be the lead operator for all HR management functions - Excellent judgment, discretion, and documentation skills; ability to coach leaders through sensitive issues and communicate effectively with team members of all levels - Strong interpersonal skills and the ability to build relationships with key stakeholders - Highly organized with attention to detail, proactive, and able to manage competing priorities - Strong problem-solving skills, resourcefulness, and creativity - Superior verbal and written communication skills Compensation and Location - Job Type: Permanent, Full-time - Salary: Competitive base salary commensurate with experience - Bonus: Competitive bonus based on performance - Benefits: Flatiron offers an excellent benefit package with health care, dental, vision, and other health and wellness benefits. A 401 K with company matching is provided. - Location: Ability to work in the United States is a requirement. Prefer candidate to be based in the Boulder/Denver or New York.