Top 421 Manufacturing supervisor Jobs in Monrovia, Ca

Operations Supervisor – Second Shift (2 Openings)
Emerald Technologies —Brea, CA
- $78,000 - $92,000 a year
- Overtime
- Mid-level
- Conflict management
- Mentoring
- Health savings account
- Health insurance
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Alcohol Department Manager
Leoforce —Rancho Cucamonga, CA
- $120,000 - $145,000 a year
- Overnight shift
- 5 years
- Supervising experience
- Senior level
- Disability insurance
- Health insurance
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12d
Production Supervisor
Primo Brands —Los Angeles, CA
- $106,189 - $113,841 a year
- Weekends as needed
- Customer service
- Bachelor of Science
- English
- Commuter assistance
- Health savings account
Fabrication Shop Supervisor (Second Shift)
Mission Steel Fabrication —Montclair, CA
- $27 - $35 an hour
- 8 hour shift
- 5 years
- Assembly
- US work authorization
- Health insurance
- Dental insurance
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4d
Part-Time GMP & HACCP Manager
Breadmasters Ara-Z Inc —Commerce, CA
- $35 - $45 an hour
- Part-time
- Hybrid work
- Mid-level
- Manufacturing
- Communication skills
Quick Apply
Production Manager
Electric Mirror LLC —Los Angeles, CA
- $120,000 - $140,000 a year
- Full-time
- Office
- Ability to lift 50 pounds
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
3d
Pour Line Technical Manager
FXI —Orange, CA
- $100,000 - $125,000 a year
- Full-time
- Engineering
- Mid-level
- 3 years
- Health insurance
- Dental insurance
Quick Apply
Operations Manager Machine Shop
Jaco Engineering —Anaheim, CA
- From $100,000 a year
- Overtime
- Computer literacy
- ERP systems
- English
- Relocation assistance
- Health insurance
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Plant Manager - Furniture Manufacturing Experience Required
RC Furniture, Inc. —City of Industry, CA
- $100,000 - $110,000 a year
- Full-time
- Spanish
- English
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
QA (Quality Assurance) Senior Manager
Barco Uniforms —Los Angeles, CA
- $110,000 - $135,000 a year
- Weekends as needed
- Microsoft Excel
- 5 years
- Computer literacy
- Wellness program
- Paid holidays
Plant Manager
Scotts Food Products —Paramount, CA
- $110,000 - $130,000 a year
- Full-time
- Spanish
- English
- Bachelor's degree
Quick Apply
1d
Plant Maintenance Manager
Verdeco —South Gate, CA
- $100,000 - $120,000 a year
- Full-time
- Background check
- Office
- 3 years
- Health insurance
- Dental insurance
Quick Apply
3d
Die Casting, Production Lead Supervisor
KenWalt Die Casting Corporation —Sun Valley, CA
- $30 - $45 an hour
- Urgently hiring
- English
- Mid-level
- 3 years
- Paid time off
Quick Apply
Production Supervisor – Mouthwash & Toothpaste Manufacturing
GuruNanda LLC —Buena Park, CA
- $65,684.09 - $79,103.42 a year
- Extended hours
- Bilingual
- ERP systems
- Mid-level
- Health insurance
- Dental insurance
Quick Apply
Plant Manager
Superior Food Machinery, Inc. —Santa Fe Springs, CA
- $120,000 - $140,000 a year
- Full-time
- Assembly
- Mentoring
- Recruiting
- Paid holidays
- Health insurance
Quick Apply
4d
Fabricating Supervisor
Packaging Corporation of America —Los Angeles, CA
- $86,240 - $129,360 a year
- Full-time
- Mid-level
- High school diploma or GED
- US work authorization
- AD&D insurance
- Paid holidays
Quality Manager
Precision Advanced Manufacturing —Anaheim, CA
- $120,000 - $140,000 a year
- Full-time
- Background check
- Management
- 5 years
- Health insurance
- Dental insurance
Quick Apply
Manufacturing Supervisor - Bilingual English & Spanish
Activar Construction Products Group —Commerce, CA
- $24 - $26 an hour
- Full-time
- Bilingual
- Background check
- Spanish
- Health savings account
- AD&D insurance
Quick Apply
Operations Supervisor - Aerospace / Manufacturing
Consolidated Precision Products —Cudahy, CA
- $90,000 - $120,000 a year
- Full-time
- 5 years
- Mid-level
- High school diploma or GED
- Paid holidays
- Health insurance
Quality Manager – Aerospace & Defense Manufacturing
Gear Manufacturing Inc. —Anaheim, CA
- From $90,000 a year
- Full-time
- Background check
- Management
- 5 years
- Paid holidays
- Health insurance
Quick Apply

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manufacturing supervisor jobs near monrovia, ca

Operations Supervisor – Second Shift (2 Openings)

Emerald Technologies -
Brea, CA

Quick Apply

Job Details

Full-time
$78,000 - $92,000 a year

Benefits

Health savings account
Health insurance
Dental insurance
Flexible spending account
Paid time off
Employee assistance program
Vision insurance
401(k) matching
Employee discount
Gym membership
Opportunities for advancement
Referral program

Qualifications

Manufacturing management
Production safety compliance
Manufacturing facility experience
Key Performance Indicators
Quality performance measurement
Leading team collaboration initiatives
Managing manufacturing teams
Data-driven decision making
Manufacturing company experience
Team motivation (leadership skill)
Cross-functional communication

Full Job Description

Emerald Technologies has an exciting opportunity for two Operations Supervisors to join its Brea, CA team! As a Southern California Printed Circuit Board Assembly (PCBA) contract manufacturer serving aerospace, medical, and other high‑reliability industries, Emerald relies on strong frontline leadership to maintain quality, safety, and operational excellence across both buildings on second shift.

These two Supervisor roles will provide critical leadership coverage as we continue expanding second‑shift operations. One Supervisor will primarily oversee Surface Mount Technology (SMT) operations, while the second Supervisor will oversee the remaining production areas, including Building 2, ensuring both facilities receive consistent guidance, support, and oversight.

At Emerald Technologies, each employee plays a meaningful role in building innovative products for world‑class customers. Join a supportive, high‑performing team where the work is meaningful and careers have no limits.

Responsibilities of the Operations Supervisor:

Lead daily operations — Supervise second‑shift production activities, ensuring quality, throughput, and schedule adherence across assigned areas.
Provide people leadership — Coach, mentor, and develop team members; conduct 1:1s, performance reviews, and corrective actions when needed.
Ensure safety compliance — Maintain a safe work environment, respond to safety concerns, and support building closure and end‑of‑shift safety checks at 11 p.m.
Manage staffing and timekeeping — Approve timecards, time‑off requests, and schedule adjustments in alignment with company policies.
Monitor KPIs — Track productivity, quality, attendance, and other performance metrics; implement improvement plans as needed.
Resolve escalations — Serve as the point of contact for operational issues, customer concerns, and cross‑department coordination.
Drive continuous improvement — Identify workflow, process, and efficiency opportunities to support operational excellence.

Benefits of the Job:

Competitive medical, dental, and vision benefits
Health Savings Account/Flexible Spending Account
401K and company matching with no vesting period
PTO for rest and relaxation
Gym reimbursement (through Anthem)
Employee Assistance Program
A safe and inclusive work environment with team and management support
Employee training and development
Community service and philanthropic initiatives
Employee appreciation and events
Career advancement opportunities
Employee Referral program
Employee discounts

Qualifications of the Operations Supervisor:

2+ years of supervisory experience in manufacturing, preferably PCBA or electronics.
Strong leadership and diplomacy — Ability to motivate teams, manage conflict, and handle sensitive personnel matters with professionalism.
Safety‑focused mindset — Experience enforcing safety protocols and supporting facility safety practices.
KPI‑driven decision‑making — Ability to interpret performance data and take action to improve results.
Excellent communication skills — Clear, consistent communication across teams, shifts, and departments.
Proficiency with operational systems — including experience using ADP or other HRIS platforms for timekeeping, employee management, and reporting (preferred).
Ability to lead in a fast‑paced environment while maintaining a positive, inclusive team culture.

Emerald Technologies is an electronics manufacturing services (EMS) provider for original equipment manufacturer (OEM) customers, focusing on high-reliability electronic assemblies. With design and manufacturing facilities in California, Michigan, New Hampshire, Oregon as well as in China and Malaysia. Emerald Technologies specializes in high mix, low- to medium-volume manufacturing for high-reliability markets in the Aerospace/Defense, Life Sciences, Renewable Energy, Industrial Controls, Power & Infrastructure, Semiconductor and Telecommunications sectors. However, our rapid turnaround times, responsive customer service, and collaborative problem-solving approach distinguishes us from the competition.

At Emerald Technologies, we are committed to fully understanding and meeting the needs of our customers through quality excellence, advanced engineering, and a solid commitment to customer relationships.

Emerald Technologies, is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Work Schedule
This position is assigned to Second Shift, with standard hours of 2:30 p.m. to 11:00 p.m., Monday through Friday. As part of second‑shift leadership, flexibility is expected to ensure adequate operational and safety coverage, including end‑of‑shift building closure and support for any safety‑related needs that arise.
Work Hours
This is a full‑time, salaried role, typically 40 hours per week. Depending on customer demand and production requirements, Saturday overtime may be required. Additional hours may also be necessary to support operational needs or shift‑related responsibilities.

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Refine Your Search

manufacturing supervisor jobs in monrovia, ca

Operations Supervisor – Second Shift (2 Openings)

Alcohol Department Manager

Production Supervisor

Fabrication Shop Supervisor (Second Shift)

Part-Time GMP & HACCP Manager

Production Manager

Pour Line Technical Manager

Operations Manager Machine Shop

Plant Manager - Furniture Manufacturing Experience Required

QA (Quality Assurance) Senior Manager

Plant Manager

Plant Maintenance Manager

Die Casting, Production Lead Supervisor

Production Supervisor – Mouthwash & Toothpaste Manufacturing

Plant Manager

Fabricating Supervisor

Quality Manager

Manufacturing Supervisor - Bilingual English & Spanish

Operations Supervisor - Aerospace / Manufacturing

Quality Manager – Aerospace & Defense Manufacturing

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