Senior EH&S Specialist

Company Overview Mainspring Energy is revolutionizing power generation with the world's most flexible and adaptable local power generation technology, the Mainspring Linear Generator. Commercial, industrial, and utility leaders are choosing Mainspring over traditional options like engines, turbines, and fuel cells to quickly and reliably deliver local power for EV charging, commercial facilities, data centers, and grid-scale operations. The Mainspring Linear Generator is fuel flexible, ramps up and down to meet demand, and utilizes a flameless reaction with near-zero NOx emissions. Backed by top-tier investors including Khosla Ventures, Bill Gates, American Electric Power, Lightrock, and General Catalyst Mainspring designs, manufactures and delivers its products to customers across the U.S. today, and we're quickly scaling for international expansion. Inspired by our vision of the affordable, reliable, net-zero carbon grid, Mainspring is rapidly expanding within the $816B global electricity equipment market, and we're hiring the best talent to meet growing customer demand around the globe. We welcome a broad range of backgrounds, experiences, and talents to bring fresh perspectives and ongoing innovation to our customers. We are looking to build relationships with people who share our values: Pragmatic Optimism. Building a new category of world-class power generation requires the optimism of ambition and creativity, balanced with practicality to solve problems efficiently. The challenges that arise are opportunities for growth. Excellence without Ego. We bring expertise and commitment to creating the best customer experience, from sales to deployment and service, just as we apply deep technical rigor to building and delivering world-class products. We strive for excellence and behave as leaders with the humility to acknowledge our challenges, both collectively and as individual contributors. Proactive Collaboration. The integration and cross-disciplinary nature of Mainspring's business requires intentionally seeking out others who bring different skills, perspectives, and priorities. Our culture of inclusion and respect extends beyond our team to interactions with our partners and customers. More information can be found at www.mainspringenergy.com Job Overview The Senior EH&S Specialist leads the development, implementation, and continuous improvement of Environmental, Health and Safety programs across the site. Acting as a subject matter expert in environmental compliance and occupational safety, this role independently manages complex EHS initiatives, analyzes safety data to drive improvements, and leads regulatory inspections and compliance activities. The Specialist III collaborates cross-functionally with operations, engineering, and leadership to promote a proactive safety culture. This position reports to the Senior EHS Manager and collaborates closely with Facilities, Operations, R D, and Engineering teams. \n Key Responsibilities Promote a proactive safety culture through employee engagement programs, safety campaigns, and behavioral safety initiatives Coordinate and oversee site environmental, health, and safety programs including Injury & Illness Prevention, Hazard Communication, Lockout/Tagout, Electrical Safety, Fire Protection, Machine Guarding, Hazardous Waste Management, and Stormwater Pollution Prevention Provide training and guidance on all EHS Training Programs. At this level you will be expected to create and deliver effective training and lesson plans This position will be expected to determine what SOP/WI's are required and as necessary, draft the required procedures and have them approved through an established approval process Conduct proactive risk assessments including Job Hazard Analyses (JHA) and safety reviews for new equipment, processes, and facility changes Lead or support incident response and conduct thorough investigations into workplace injuries, illnesses, and near-miss events to determine root causes and implement corrective actions Utilizing data provided from the

OSHA 300

Logs, Workers' Compensation trends, and Industry Best Practices, be able to identify trends and establish new and creative ways to reduce injuries site wide Develop new and improved techniques in Ergonomics to address the trends of injuries/complaints expressed by employees Lead Safety Committees and successfully continue forward Environmental, Health and Safety Initiatives Maintain applicable site permits including Hazardous Waste, HMBP, storm-water pollution prevention, and others. Submit permit applications as necessary and play a major role in ensuring all work areas meet Local, State, and Federal regulatory requirements Maintain the company's chemical inventory and SDS files. Coordinate annual update of chemical inventory Conduct regulatory evaluations, write reports as required, and report activities to EHS Sr. Manager Serve as the site lead during regulatory inspections and audits conducted by OSHA, EPA, and other regulatory agencies. Assist in ensuring compliance with company policies, Federal, State and local regulations Develop and track budget information and assist in the preparing of annual site EHS budgetary information Maintain excellent working knowledge of local, State and Federal Regulations that apply to our operations including but not limited to Federal OSHA, EPA and California Health and Safety Code Participate in and support Emergency Response, Business Continuity and Disaster Recovery Planning Coordinate site inspections of all departments including documentation and follow-up Support environmental sustainability initiatives including waste reduction, energy efficiency, and environmental performance improvement Performs other related duties and assignments as required Minimum Qualifications Highly knowledgeable with OSHA, EPA, RCRA, Air Quality, and Water Pollution regulations Knowledgeable with applicable Electrical Safety Standards (such as

NFPA 70, NFPA

70E, etc…) Hazard identification and risk assessment methodologies (JHA, HAZOP, FMEA) Ability to influence cross-functional teams and leadership to implement safety improvements Demonstrated ability to organize work and establish priorities Effective customer service skills and the ability to manage multiple tasks and time pressures Effective interpersonal skills Effective written and oral communication skills Demonstrated ability to follow established policies and procedures Effective analytical problem solving skills Ability to work in a fast-changing environment with Facilities, Equipment, Production, and R D leaders and staffing at all levels Excellent organizational skills, attention to detail and accuracy Ability to deal with confidential information in a professional manner Must demonstrate personal integrity and high ethical standards Must be proficient with Google Workplace, Jira, Slack Word, Excel, PowerPoint, e-mail and the Internet A valid, unrestricted California driver's license and a clean driving record is required for minimal travel between facilities Education and Experience Typically requires a BS/BA in safety or a related discipline At least 8 years related experience working with Environmental, Health & Safety responsibilities Prior experience implementing or sustaining EHS management systems for example ISO 14001 or 45001 Preferred experience or education in Operational Excellence \n $102,000 - $120,000 a year This position is required to work onsite 5 days/week at our Menlo Park HQ to meet essential duties and requirements of this role. As an on-site R D and manufacturing operations organization, in-person face to face interaction is essential to building authentic relationships, trust, teamwork, and collaboration. The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers pre-IPO stock options + benefits. \n Does your experience not meet all of our posted requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don't meet all posted requirements for a particular role, we'd still love to hear from you. Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background. In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.