Assembly Jobs in California (NOW HIRING)

The Assembly Supervisor serves as a front-line operations leader responsible for guiding a team of assemblers, executing production schedules, and maintaining strict adherence to quality, safety, and performance standards in a fast-paced manufacturing environment.

• Lead and supervise daily assembly operations to ensure production goals, quality standards, and delivery commitments are consistently met.
• Assign work and prioritize tasks based on production schedules, operational requirements, and available resources.
• Coordinate closely with production planning and scheduling teams to ensure timely completion and shipment of customer orders.
• Manage personnel, equipment, tooling, and materials to maintain full operational coverage and maximize efficiency.
• Interpret blueprints, technical specifications, and engineering directives to guide assembly processes and resolve technical issues.
• Serve as the first line of response for troubleshooting production challenges and addressing technical problems on the shop floor.
• Ensure compliance with engineering requirements, safety regulations, and quality standards across all assembly operations.
• Lead, mentor, and develop a team of assemblers, fostering a culture of accountability, high performance, and continuous improvement.
• Maintain a positive, disciplined work environment focused on teamwork, safety, and operational excellence.
• Build team capability through coaching, on-the-job training, and structured performance management.
• Coordinate with other supervisors and cross-functional departments to ensure continuity of operations and alignment with organizational objectives.
• Maintain and enforce quality standards, work instructions, and operational procedures within the assembly area.
• Participate in and lead process improvement initiatives to standardize work methods, reduce costs, and increase efficiency.
• Apply Lean Manufacturing principles to improve production flow, minimize downtime, and enhance overall productivity.
• Ensure a safe working environment by reinforcing safety practices and addressing hazards while meeting production objectives.
• Oversee daily production activities and monitor performance against established targets and key performance indicators.
• Collect, analyze, and report production data and metrics to leadership in a clear and timely manner.
• Ensure the availability of materials, tools, and equipment to prevent disruptions to operations and maintain smooth workflow.
• Minimize production downtime through proactive planning, rapid response to issues, and effective problem resolution.

• High school diploma or GED.
• Minimum of 5 years of supervisory experience in manufacturing, assembly, or maintenance operations, or equivalent military leadership experience.
• Proven ability to lead and motivate teams in fast-paced, mission-critical environments.
• Strong leadership, communication, and organizational skills.
• Experience in production supervision and managing assembly operations.
• Ability to interpret and work from blueprints, technical specifications, and assembly processes.
• Demonstrated commitment to safety, quality, and operational excellence.
• Proficiency in Microsoft Office applications, including Excel.
• Experience with process improvement and continuous improvement initiatives.
• Knowledge of manufacturing processes and assembly operations.

• Bachelor's degree in Operations, Manufacturing, Industrial, or a related field, or equivalent work or military experience.
• Experience applying Lean Manufacturing principles, particularly in continuous flow manufacturing environments.
• Background in electro-mechanical assembly and aerospace-related manufacturing is beneficial.
• Experience with root cause failure analysis and structured problem-solving methods.
• Familiarity with MRP systems and production planning tools or other planning systems.
• Experience with process improvement methodologies in manufacturing environments.
• Ability to work effectively with production planning, scheduling, and cross-functional teams.

This is a first-shift role with two open positions, each supervising approximately 15–20 assembly team members. One supervisor will oversee operations on the switch side, and the other will oversee the valve and actuation side. The facility is currently experiencing high demand and may require Saturday work, typically as a half day, to support production needs. The environment is hands-on, fast-paced, and production-focused, with a strong emphasis on safety, quality, and continuous improvement. The supervisor works on-site in a manufacturing setting, coordinating closely with other supervisors and departments to maintain smooth operations and support an expanding operation.

This is a Permanent position based out of Valencia, CA.

The pay range for this position is $107000.00 - $160000.00/yr.

health dental vision 401K

This is a fully onsite position in Valencia,CA.

This position is anticipated to close on Aug 26, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email actalentaccommodation@actalentservices.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.