Maintenance Mechanic II

lieflabs; California (MO); On-site; USD 49,000 - 69,000; Full time

Benefits offered by this job

Competitive pay

Medical benefits

401(k) plan

Life insurance

Wellness programs

Tuition reimbursement

Paid time off

Job summary

Lief Labs in Valencia, CA, a fast-paced cGMP manufacturer of dietary supplements, seeks a Maintenance Mechanic II who can own equipment reliability and mentor others on the floor. You’ll troubleshoot complex systems, develop preventive maintenance plans, and drive continuous improvement while adhering to safety and quality standards.

In this role you’ll lead by example in a high-speed production environment, coordinate with Operations, Quality, and Engineering, perform root-cause analyses, and

Qualifications

• 5+ years of industrial maintenance experience in a manufacturing environment.
• Experience in cGMP or highly regulated environments preferred.
• Strong background in break-fix troubleshooting and preventative maintenance.
• Hands-on experience with PLC-controlled equipment.

Responsibilities

• Lead by example on the floor—modeling safe behaviors, strong troubleshooting practices, and a sense of ownership.
• Mentor and support junior technicians and operators by transferring technical knowledge and developing skills across the team.
• Troubleshoot, repair, and maintain production equipment in a high-speed cGMP environment, minimizing downtime.
• Drive execution of Preventive, Predictive, and Corrective Maintenance programs to improve reliability.
• Partner cross-functionally with Operations, Quality, and Engineering to conduct root cause analyses, support change management and deviation investigations, and improve OEE.
• Interpret and work from schematics, blueprints, and technical documentation (electrical, pneumatic, mechanical).
• Support equipment improvements, part fabrication, and continuous improvement initiatives.
• Ensure accurate, timely completion of work orders and documentation in CMMS systems, maintaining cGMP compliance.

Skills

PLC troubleshooting

Electrical systems

Mechanical systems

Safety compliance

Root cause analysis

Leadership on floor

Education

High School Diploma or GED

Job description

Local Candidate Only. No Sponsorship. No Agency Referrals.

Maintenance Mechanic II

Lief Labs is a premier formulation and product development innovator and manufacturer of dietary supplements. Our in-house product development and R&D team creates the best-tasting and cutting-edge supplement formulations. Lief also houses a state-of-the-art, full-service Current Good Manufacturing Practice (cGMP) manufacturing facility, which offers custom solutions for many supplement categories. Lief collaborates with entrepreneurial firms to help them build premier brands. Lief’s turnkey solutions allow us to engage in seamless partnerships that help brands with scalability and sustainable growth. Lief Labs is located in the Santa Clarita Valley (Valencia, CA.)

Lead, Develop, and Drive Reliability

Lief Labs is looking for an experienced Maintenance Mechanic II who not only excels technically, but also takes pride in mentoring others, building team capability, and driving best practices in a fast-paced cGMP manufacturing environment.

In this role, you’ll take ownership of equipment reliability while serving as a go-to resource and informal leader on the maintenance team, guiding technicians, supporting operators, and helping elevate overall plant performance. You’ll play a key role in developing preventative maintenance strategies, troubleshooting complex systems, and fostering a culture rooted in safety, quality, and continuous improvement.

What You’ll Do

• Lead by example on the floor—modeling safe behaviors, strong troubleshooting practices, and a sense of ownership
• Mentor and support junior technicians and operators by transferring technical knowledge and developing skills across the team
• Troubleshoot, repair, and maintain production equipment in a high-speed cGMP environment, minimizing downtime
• Drive execution of Preventive, Predictive, and Corrective Maintenance programs to improve reliability
• Partner cross-functionally with Operations, Quality, and Engineering to:
  • Conduct root cause analysis (5 Whys)
  • Support change management and deviation investigations
  • Improve overall equipment effectiveness (OEE)
• Interpret and work from schematics, blueprints, and technical documentation (electrical, pneumatic, mechanical)
• Support equipment improvements, part fabrication, and continuous improvement initiatives
• Ensure accurate, timely completion of work orders and documentation in CMMS systems, maintaining cGMP compliance
• Promote and maintain 5S standards and an organized, audit-ready work environment

What You Bring

Education

• High School Diploma or GED required

Experience

• 5+ years of industrial maintenance experience in a manufacturing environment
• Experience in cGMP or highly regulated environments preferred
• Strong background in break-fix troubleshooting and preventative maintenance
• Hands-on experience with PLC-controlled equipment

Technical Expertise

• Strong knowledge of:
  • Electrical systems (460 VAC 3-phase & 110 VAC control circuits)
  • Mechanical systems, hydraulics, and fluid power
  • PLC troubleshooting and controls
  • Ohm’s Law and electrical diagnostics
• Ability to perform complex electrical, mechanical, and hydraulic repairs

Leadership & Professional Skills

• Proven ability to mentor, coach, and develop others on the floor
• Strong commitment to safety (LOTO) and quality systems in a cGMP environment
• Excellent communication skills and ability to work cross-functionally
• Highly organized, adaptable, and able to prioritize in a fast-paced, production-driven setting
• Continuous improvement mindset with strong problem-solving skills

Work Environment

• Fast-paced cGMP manufacturing environment requiring strict adherence to quality and documentation standards
• Exposure to food-grade raw materials and common allergens
• Moderate noise levels with regular interaction with production equipment

Physical Requirements

• Active, hands-on role requiring standing, walking, bending, climbing, and lifting
• Ability to lift up to 33 lbs occasionally
• Frequent exposure to moving equipment, varying temperatures, and industrial conditions

Why Lief Labs?

• Competitive pay: $35.50–$50.00/hour
• Opportunity to lead, mentor, and grow within a high-performing team
• Comprehensive benefits package:
  • Medical, dental, and vision coverage
  • 401(k) with company support
  • Life insurance
  • Wellness programs
  • Tuition reimbursement
  • Paid time off

At Lief Labs, we’re committed to building a culture where people develop, processes improve, and performance excels. If you’re a hands-on technician who enjoys leading from the floor and elevating those around you, we want to hear from you.

Lief is an Equal Opportunity employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, or sex, including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Suppose you are a qualified individual with a disability or a disabled veteran. In that case, you have the right to request accommodation if you are unable or limited in your ability to use or access our career center due to your disability. To request an accommodation, contact the Lief Human Resources department.

Lief will consider employment-qualified applicants with criminal histories in a manner consistent with the requirements of the Los Angeles Fair Chance Initiative for Hiring.

Lief uses E-Verify to confirm work eligibility in the United States. E-Verify compares the information on your Form I-9, Employment Eligibility Verification, to official government records.