Senior Manufacturing Engineer - Assembly

Commonwealth Fusion Systems LLC; United States; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity

Health, dental, and vision insurance

401(k) with employer matching

Flexible vacation days

Professional growth opportunities

Team-building activities

Job summary

Commonwealth Fusion Systems LLC in the United States is seeking a Senior Manufacturing Engineer - Assembly to design, implement, and optimize high‑mix, low‑volume production lines while improving productivity, quality, and costs across the assembly floor.

You will collaborate with design, production, quality assurance, and supply chain teams to ensure manufacturability, apply Lean and Six Sigma methodologies, and lead tooling and equipment procurement to enable efficient, safe, and scalable

Qualifications

• Requires a Bachelor’s degree in Engineering field.
• 7+ years in manufacturing/production engineering.
• Strong knowledge of Lean/Six Sigma and quality systems.

Responsibilities

• Develop and implement new manufacturing lines in a high-mix, low-volume environment.
• Analyze and improve processes to reduce costs and improve efficiency and quality.
• Create and maintain SOPs, work instructions, and process flow diagrams.
• Collaborate with product design to ensure manufacturability.
• Lead tooling, fixtures, and equipment design and procurement.
• Troubleshoot equipment and process issues and drive corrective actions.

Skills

Lean Manufacturing

Six Sigma

CAD

ERP systems

Analytical skills

Team leadership

Problem solving

Education

Bachelor’s degree in Manufacturing Engineering

Bachelor’s degree in Mechanical Engineering

Bachelor’s degree in Industrial Engineering

Tools

NX

SolidWorks

AutoCAD

Job description

Join the power movement as a Senior Manufacturing Engineer - Assembly

We are seeking a detail-oriented, innovative, and results-driven Manufacturing Engineer to join our team. The successful candidate will be responsible for designing, implementing, and optimizing manufacturing processes to improve productivity, efficiency, and quality across the production line. This role involves close collaboration with design engineers, production staff, quality assurance, and supply chain teams.

What you'll do:

- Develop and implement new manufacturing lines within a high-mix, low volume environment

- 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

What we're looking for:

- 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

Bonus points for:

- Experience with clean lines

- Knowledge of statistical process control (SPC) and failure modes and effects analysis (FMEA)

Must-have requirements:

- Ability to occasionally lift up to 50 lbs

- Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

- Perform activities such as typing, standing, or sitting for extended periods of time

#LI-Onsite
#CFS-NE

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.
We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.
This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws”). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

Salary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations.

Benefits include:

• 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