Environmental Health & Safety Coordinator

The Company:

We’re Solestial, and we are building cutting-edge silicon solar power for space. Our tech is designed to survive the extremes—radiation, vacuum, launch shock—and deliver reliable energy to satellites, lunar missions, and beyond. We are a fast-growing startup backed by strategic, experienced investors in the Space and High Tech sectors, and we’re on a mission to make off-world energy as scalable and dependable as it is here on Earth.

The Role:

As we scale our manufacturing operations, we’re looking for an EHS Coordinator who will champion environmental, health, and safety practices across our labs and production spaces. This role sits at the intersection of compliance, safety culture, and operational excellence helping our teams push the boundaries of innovation while driving progress with precision in a safe, healthy, and sustainable workplace.

This is an exciting position as part of a positive, supportive, and passionate team!  A competitive compensation package, including equity and full benefits (see below), will be offered.

• Help establish a world-class, safety-first culture at Solestial 
• Ensure compliance with federal, state, and local EHS regulations and requirements 
• Provide technical and regulatory guidance on emerging EHS issues 
• Collaborate with Facilities, Engineering, and Operations teams on various projects 
• Develop safety training materials and facilitate training for employees and contractors
• Track and manage employee training requirements 
• Support incident investigations, root cause analysis, and corrective action implementation 
• Conduct safety audits and track completion of action items 
• Support development and operation of gas monitoring systems
• Develop, implement, and oversee chemical safety programs, including handling, storage, labeling, and disposal, to ensure compliance with regulations and protection of personnel. 
• Assist with Emergency Action Plan development and management 
• Support Job Hazard Analysis program development 
• Manage PPE and first aid kit inventories
• Coordinate emergency shower, eyewash station, and fire extinguisher inspections 
• Maintain and update facility SDS documentation

• Bachelor's degree in EHS, Engineering, Materials Science, Chemical Engineering, or related field 
• 2-4 years of experience in EHS program development and operational oversight 
• Experience with occupational safety programs and OSHA standards 
• Background in semiconductor, electronics, solar manufacturing, or other chemically intensive manufacturing industries preferred

• Competitive salary equity - we want you to grow with us
• Generous, high-quality medical, dental, and vision coverage on day one of employment
• 15 vacation days, 5 sick days, and 10 paid holidays annually - with an extended holiday break at year’s end
• 401K with employer match up to 4% of salary
• Employer-paid short-term and long-term disability and employer-sponsored life insurance
• Your impact will extend beyond our labs - supporting the safe production of solar technology that literally goes to space.

This is a full-time, on-site role based in Tempe, Arizona. Please note that relocation assistance is not offered for this position.