Senior Human Resources Manager

About Flatiron Energy

Flatiron Energy, a Hull Street Energy portfolio company, is developing and building grid scale standalone energy storage assets that integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability. Founded by a team of experienced energy storage experts, Flatiron has a demonstrated track record of developing critical infrastructure needed to achieve our reliability and energy climate goals.  The leadership team has deep experience in developing, constructing and operating energy storage assets in wholesale markets. 

Flatiron Energy is a growing company with a dynamic, fast-paced, challenging, creative, fun, start-up culture. The right candidate will be excited to help build the company from the ground up, recognizing the challenges and opportunities for growth inherent in such a role.  The Flatiron team is passionate about fighting climate change while ensuring their projects have an equitable impact on surrounding communities. Flatiron is only looking for candidates who resonate with our mission.

Title: Senior HR Manager     

Reports To: CEO

Location: Boulder/Denver, New York City, or Boston preferred, remote also considered

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. In this role you will advise leadership on best practices, lead performance management and processes, develop career progression plans, and create new tools and protocols to enhance people operations and effectiveness.

Key Responsibilities:

• 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

Key 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.