Electrical & Instrumentation Technician

Job Title: Electrical and Instrumentation Technician

MLC was recognized by Newsweek as one of America’s Greatest Workplaces & received an Eco Vadis Sustainability Rating for our continued commitment to sustainability.

• Highly collaborative work environment focused on growth and innovation
• Safety and sustainability are top priorities
• Excellent compensation, benefits, generous perks; focused on employee wellbeing
• Great development and advancement opportunities
• Bring your real self to work, come grow with us!

MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team!

This position is covered under a collective bargaining agreement. Benefits and paid time off are governed by the applicable union contract and may vary based on eligibility and length of service.

• Retirement Savings Employer‑sponsored retirement benefits are provided in accordance with the collective bargaining agreement, including employer contributions and opportunities for employee participation.
• Tuition Reimbursement Reimbursement for 100% of approved eligible education expenses after six months of employment to support continued learning and career advancement.
• Vacation Vacation eligibility and accrual are determined by hours worked and length of service, as outlined in the collective bargaining agreement.
• Health Savings & Wellness Benefits Employer HSA contributions for medical plan participants, a comprehensive wellness program, and $100 annually toward a gym membership.
• Disability & Employee Assistance Coverage Company‑provided disability insurance and access to an Employee Assistance Program (EAP) offering mental health, financial, and personal support resources.
• Incentive Program Eligibility for performance-based incentive opportunities aligned with individual and organizational success.
• Career Growth & Development Opportunities Access to professional development resources and opportunities within a growing, global organization.
• Coming soon…Student Loan Reimbursement assistance

This role ensures plant electrical and instrumentation systems are safely inspected, maintained, and repaired to support reliable operations and minimize production downtime.

• Install, maintain, calibrate, troubleshoot, and repair electrical and instrumentation systems
• Work with motors, motor starters, controllers, inverters, switch gear, lighting, and circuits up to 4160V
• Maintain and troubleshoot PLCs, valves, transmitters, controllers, and pneumatic/hydraulic systems
• Perform preventive maintenance and respond to breakdowns efficiently and safely
• Identify root causes of equipment failures and recommend corrective actions
• Complete work orders, inspections, documentation, and parts requests using company systems
• Operate hand tools, power tools, and mobile equipment safely
• Collaborate with supervisors and team members to support safety, reliability, and continuous improvement

• High School Diploma or equivalent
• Electrical trade school education or equivalent hands‑on training and experience
• 3–5 years of experience in an industrial environment
• At least 3 years of direct electrician experience
• Valid driver’s license
• Ability to work independently, respond to call‑outs, and work overtime as needed

• Electrician certification
• Strong knowledge of AC/DC systems, voltages, inductive devices, fault interruption, and distribution
• Experience using measuring devices and working with analog sensors
• Familiarity with industrial safety standards and best practices
• Basic computer skills, including Microsoft applications
• Strong communication skills and a team‑oriented mindset

Benefits and perquisites may vary based on the nature and location of each job.

MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service.

The company’s expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit