We are seeking a hands-on Assembly & Production Supervisor to lead daily floor operations, blending direct assembly work with team leadership. In this role, you will guide assemblers and test technicians to hit on-time delivery and throughput targets while maintaining strict quality, ESD, and safety standards.
Key Responsibilities
- Line Execution & Throughput: Use department dispatch to prioritize jobs and meet scheduled completion dates. Balance mechanical and electronics assembly lines, adjust takt time to eliminate bottlenecks, and track daily KPIs including First-Pass Yield (FPY), OEE, and scrap/rework rates.
- Team Leadership & Coaching: Provide clear verbal and visual instructions to train, coach, and mentor assemblers through each process step. Maintain skill matrices for specialized tasks like soldering, precision torqueing, and calibration, and execute structured shift handoffs covering WIP and open NCRs.
- Change, Crisis & Materials Management: Manage mid-run Engineering Change Orders (ECOs) and BOM updates without causing scrap, and reallocate operators during equipment downtime (SMT, CNC, or automated test stations). Coordinate across departments for parts, submit weekly consumable orders to Purchasing, notify Production Control of potential delays, and utilize ERP/MES systems (such as SAP, Oracle, Arena, NetSuite, or Jira) for lot traceability.
- Quality & Safety Compliance: Maintain MASS Precision and customer quality standards alongside ISO 9001, IPC-A-610, UL, and RoHS compliance. Partner with Quality and Manufacturing Engineering on root-cause corrective actions (5 Whys, Fishbone). Enforce Electrostatic Discharge (ESD), Foreign Object Debris (FOD), Lockout/Tagout (LOTO), and PPE safety protocols on the floor.
Qualifications & Experience - High school diploma or equivalent.
- At least 5 years of direct, hands-on assembly experience, including 5+ years reading blueprints/schematics and operating machinery and tools.
- At least 3 years of supervisory or management experience in mechanical or electronics assembly.
- Bilingual fluency in English and Spanish with analytical, organizational, and problem-solving skills.
shift: First
work hours: 6 AM - 2:30 PM
education: High School
Responsibilities
What You’ll Do
- Balance hands-on assembly work with daily supervision, maintaining product quality and on-time delivery.
- Give clear verbal and visual instructions, and train, coach, and mentor less experienced assemblers through each process step.
- Use the department dispatch to prioritize jobs and meet scheduled completion dates.
- Submit weekly orders for assembly consumables to Purchasing.
- Coordinate with other departments to obtain parts needed for assembly jobs.
- Notify Production Control promptly of issues that could delay completion dates.
- Maintain customer and MASS Precision quality requirements and follow company and departmental policies.
- Keep the work area clean and safe by following procedures, rules, and regulations.
- Support team goals and perform additional duties as assigned by management.
- A motivated, proactive approach, leadership, and the ability to encourage and support your team.
- Organization, attention to detail, and time management, with the ability to multitask and stay focused.
- Analytical, problem-solving, and critical thinking skills.
- Fluency in English and Spanish, with clear communication and patient, effective instruction.
- The ability to follow verbal instructions, work collaboratively, and arrive promptly for scheduled shifts.
- Flexibility to meet scheduling needs and cross-train in other departments during periods of high demand.
- working in a smoke free environment
- wearing steel toe shoes
- working in a non-temperature controlled environment
Skills
- Operations
- Managing
- Leading
- Supervisor/Coach
- Line Management
- Manufacturing
- Production Control
Qualifications
- Years of experience: 3 years
- Experience level: Manager
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Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.
At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.
Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).
This posting is open for thirty (30) days.
Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.
