Senior Manufacturing Engineer - Weekend Second Shift (Fri, Sat, Sun)

About the role

Commonwealth Fusion Systems is seeking a Senior Manufacturing Engineer to join our team. This role is available for Weekend Second Shift (Friday, Saturday, Sunday) in Devens, MA.

Responsibilities

• Make real-time decisions within established guardrails; escalate when conditions fall outside defined limits
• Analyze and improve manufacturing processes to reduce costs, increase efficiency, and ensure product quality
• Develop and maintain process documentation including work instructions, standard operating procedures (SOPs), and process flow diagrams
• Collaborate with product design and development teams to ensure manufacturability of new products
• Implement Lean Manufacturing and Six Sigma methodologies to enhance production performance
• Lead the design and procurement of tools, fixtures, and equipment required for efficient production
• Troubleshoot equipment and process issues and implement corrective actions
• Conduct time and motion studies to determine optimal production methods and labor utilization
• Support continuous improvement initiatives and implement best practices across the facility
• Ensure compliance with safety regulations, company policies, and industry standards
• Evaluate new technologies and automation solutions to enhance manufacturing capabilities

Requirements

• Bachelor’s degree in Manufacturing Engineering, Mechanical Engineering, Industrial Engineering, or related field
• 7+ years of experience in a manufacturing or production engineering role
• Strong knowledge of Lean Manufacturing, Six Sigma, and quality systems
• Proficient in CAD software (NX, SolidWorks, AutoCAD, etc.) and manufacturing ERP systems
• Ability to balance autonomy with disciplined escalation
• Leadership through hands-on engagement
• Excellent analytical and problem-solving skills
• Strong communication and teamwork abilities
• Ability to work in a fast-paced, team-oriented environment

Qualifications

• Knowledge of statistical process control (SPC) and failure modes and effects analysis (FMEA)
• Ability to lift up to 50 lbs occasionally
• Perform activities such as typing, standing, stooping, and sitting, for extended periods of time
• Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics
• Willingness to occasionally travel or work required nights/weekends/on-call

Benefits

• Competitive compensation with equity
• 13 Company-wide Holidays
• Flexible vacation days
• 10 sick days
• Generous parental leave policy
• Health, dental, and vision insurance
• 401(k) with employer matching
• Professional growth opportunities
• Team-building activities

Pay

$126,000 - 212,000 (includes 15% shift differential)

Schedule

Shift: Friday through Sunday, 6:00 pm - 6:00 am