Plant Engineer Jobs in Missouri
Plant Engineer jobs in Missouri are steadily in demand, concentrated in the state's manufacturing, chemical processing, food production, and utilities sectors, with openings at every level from early-career engineers to senior plant operations leaders. Kansas City, St. Louis, and Springfield are the busiest hiring metros, where established employers like Anheuser-Busch, Emerson Electric, and Leggett & Platt maintain significant operations. The most sought-after specialties in Missouri are process optimization, electrical systems, and reliability engineering. Find a role that fits below and apply directly.
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A position in the Missouri Department of Corrections is more than a job. It's a calling. Corrections employees transform lives, equipping Missourians in the criminal justice system with the skills they need to contribute to their communities, inside and outside our walls. More than 95 percent of people who enter the prison system ultimately are released. We want to make sure they’re good neighbors.
We offer great benefits!
Missouri State Employee Retirement System / Deferred compensation plan / Health insurance (medical, vision, dental for employees and family) / Paid life insurance / Long-term disability insurance / Cafeteria plan / Paid holidays / 10 hours annual leave per month / 10 hours sick leave per month / Uniforms provided when required / Pre-service and in-service training / Access to credit union / Direct deposit of paycheck (required) / Employee health, wellness and safety initiatives / MOST 529 College Savings Program. The Missouri Department of Corrections is an equal opportunity employer and a drug-free workspace.
This is senior level position that is responsible for the operation/maintenance/repair of a heating plant.
- The position repairs/maintains boilers and related equipment such as feed water pumps/circulating pumps/valves and regulators/steam and water lines
- Repairs/replaces steam and water lines, unions, regulators, strainers, steam traps, and related equipment
- Replaces seals and gaskets in a variety of power plant equipment
- Tests and monitors the water treatment system of boilers
- Maintains/repairs electrical and/or electronic components such as replacing parts in control panels, repairing broken wires and related work
- The position reads sketches and diagrams in performing maintenance and repair work.
- The position maintains/tests/operates diesel generators for emergency electric power production.
- The position makes minor adjustments/repairs to electrical generators, steam or water boilers, pumps, refrigeration systems, and related plumbing equipment; assists in major repair work of this equipment; fires boilers and operates related auxiliary equipment as necessary.
Minimum Qualifications:
Two or more years of skilled experience relevant/similar to the listed job functions.
All requested documents MUST be received by the closing date listed.
Job Details - More reasons to love this positionContingent upon your position, you may also be eligible to receive:
- A $2.00 per hour shift differential if you are assigned to a shift that begins on or between 12:00pm (noon) and 5:00am and are employed at a 24/7 congregate care facility (i.e. institution, transition center, supervision center, or command center).
- A $0.75 per hour medium security or $1.50 maximum security differential if you work full-time at a qualifying facility.
- A $1.00 per hour restrictive housing differential if you are assigned a regular post within a restrict housing/segregation unit at any facility.
The Department of Corrections currently offers a guaranteed 1% pay increase for every two years of continuous service up to 20 years! If you are transferring from another State of Missouri agency and are receiving state retention pay, please be advised that the Missouri Department of Corrections administers retention based upon your retention anniversary date. As a result, your retention pay upon transfer may differ from what you were receiving at your previous agency until you reach your applicable retention anniversary date.
The Missouri Department of Corrections is proud to have a tradition of promotion from within for employees looking for and seeking distinctive career paths. As you work for the department, we invite you to consider your goals and make choices to actively head toward them. We seek to recognize employees who serve with distinction.
Contact Details - If you have questions or require any accommodations to participate in the application or interview process please contact:DOC.Employment@doc.mo.gov
The State of Missouri is an equal opportunity employer and is committed to developing and maintaining a talented workforce.See All 7 Plant Engineer Jobs in Missouri
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Where Missouri roles are concentrated, by current openings.
Plant Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring



What Missouri Employers Look For
The qualifications that appear most often in plant engineer jobs across Missouri.
- Bachelor's degree in mechanical, electrical, or industrial engineering from an accredited program
- Professional Engineer license issued or recognized in Missouri preferred for senior roles
- Hands-on experience with manufacturing processes, utilities, or chemical plant operations
- Proficiency with CAD software and plant maintenance management systems such as CMMS
- Demonstrated ability to lead capital improvement projects and equipment reliability programs
- Familiarity with OSHA safety standards and Missouri environmental compliance regulations
Plant Engineer Jobs in Missouri: Frequently Asked Questions
How do you become a plant engineer in Missouri?
The standard path begins with a bachelor's degree in mechanical, electrical, chemical, or industrial engineering from an accredited program. Senior and lead plant engineer roles in Missouri frequently require or prefer a Professional Engineer license issued through the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors, and Professional Geologists. Candidates sit for the Fundamentals of Engineering exam first, then gain qualifying experience before taking the Principles and Practice of Engineering exam.
How much do plant engineers make in Missouri?
Plant engineers in Missouri earn a median of about $99,290 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $65,880 for the lowest 10% to over $143,950 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire plant engineers in Missouri?
Employers hiring plant engineers in Missouri right now include Metropolitan St. Louis Sewer District, ALPLA, and Evergy, based on current listings on Migrate Mate as of September 2026. Missouri's deep manufacturing base, anchored by food and beverage, aerospace components, and industrial equipment producers, means consistent demand across both large multinationals and regional plants.
Which Missouri cities have the most plant engineer jobs?
St. Louis, Tipton, and Columbia are the Missouri cities with the most plant engineer openings. St. Louis and Kansas City dominate because of their dense clusters of manufacturing facilities, chemical processors, and utilities infrastructure, while Springfield draws demand from food production and distribution operations that require dedicated plant engineering support.
How can I get hired as a plant engineer in Missouri with little or no experience?
The most realistic entry point is an engineering co-op or internship with a Missouri manufacturer, which large employers like Boeing's St. Louis operations and Emerson Electric run specifically for students and recent graduates. Candidates without direct plant experience can also move in from adjacent roles such as maintenance technician, process technician, or quality engineer. Completing the Fundamentals of Engineering exam early and building a portfolio of process improvement or equipment projects significantly strengthens applications at Missouri plants.
Where can I find and apply to plant engineer jobs in Missouri?
You can find and apply to plant engineer jobs in Missouri on Migrate Mate, which lists current openings from Missouri employers. Search the listings to see roles that match your experience level, specialty, and preferred location, then apply directly to the ones that fit.
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