Job Description

Job Location: Littleton, Ma Corporate Office - Littleton, MA 01460
Position Type: Full Time
Salary Range: $120,000.00 - $130,000.00 Salary/year
Job Shift: Day

Position Summary:
The Senior EHS Specialist/Supervisor is responsible for owning, administering, and continuously improving Mevion’s Environmental, Health, and Safety (EHS) program. This role serves as the primary subject matter expert and site leader for all EHS-related activities, ensuring compliance with OSHA, EPA, and applicable federal, state, and local regulations.
The Senior EHS Specialist/Supervisor partners closely with operations, engineering, manufacturing, facilities, and leadership teams to drive a proactive safety culture, reduce operational risk, and ensure environmental and regulatory compliance across the organization. This individual will lead EHS initiatives, manage compliance programs, conduct investigations and audits, and serve as the primary point of contact for regulatory agencies and internal EHS matters.
Essential Functions:
- Own and administer Mevion’s Environmental, Health, and Safety management system.
- Develop, implement, and continuously improve EHS policies, procedures, standards, and work instructions.
- Ensure compliance with OSHA, EPA, NRC, DOT and applicable state/local regulations.
- Lead hazard identification, risk assessments, job safety analyses, and corrective action programs.
- Conduct incident investigations, root cause analyses, and implement effective corrective and preventive actions.
- Manage all required EHS reporting, recordkeeping, permits, and regulatory submissions.
- Coordinate and lead internal audits, inspections, and regulatory agency interactions.
- Develop and administer safety training programs, including onboarding, annual refreshers, and task-specific training.
- Monitor and evaluate workplace conditions to identify environmental, health, and safety risks.
- Drive continuous improvement initiatives focused on injury prevention, compliance, and environmental stewardship.
- Partner with operations and engineering teams to ensure EHS considerations are integrated into manufacturing processes, equipment, and facility changes.
- Lead emergency preparedness and response planning activities.
- Track, trend, and communicate EHS performance metrics to leadership.
- Serve as the primary EHS advisor to site leadership and cross-functional teams.
- Promote and reinforce a strong safety culture throughout the organization
Education, Training, and

Experience:
- Bachelor’s degree in Environmental Health & Safety, Industrial Hygiene, Safety Engineering, Environmental Science, or equivalent working and training experience.
- 3-5 years of relevant EHS experience in a manufacturing, industrial, or regulated environment
- Demonstrated experience owning or running core elements of an EHS program
- Working knowledge of OSHA regulations and general environmental compliance requirements
- EHS certifications such as ASP, CSP, CHMM, CIH (or in progress) preferred.
- Familiarity with electrical, mechanical, or industrial equipment safety
- Experience leading audits, inspections, or regulatory interactions
- Strong communication, organizational, and problem-solving skills
- Ability to work independently while collaborating effectively with cross-functional teams
Physical and Environmental Considerations:
- Must be able to sit/stand for long periods of time.
- Must be able to walk through the factory environment safely.
- Required use of standard office equipment including laptop, phone, copier, etc.
- Typical office environment.
- The employee will work in high magnetic fields, with high voltages, and with radiation and radioactive materials.
- Must be able to lift up to 50 pounds.
- May need to travel domestically and internationally.
The hiring range represents what Mevion Medical Systems, Inc. reasonably expects to pay for this position at the time of posting. The actual salary offered will depend on the selected candidate’s qualifications, experience, skills, and other job-related factors.