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Salary
$56k – $70k per year
Location
In office (Vista)
Visa
H-1B filings in 12 months: 1 · green card filings: 1
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Sep 11, 2026. LMI Aerospace scores B on the Alion truth index.

Overview
Company
Impact
Profile match
LMI Aerospace is a maker of aerostructures and assemblies and is part of the Sonaca Group, operating as Sonaca North America with 10 locations across North America. It hires manufacturing planners, press brake operators, inventory and shipping clerks and manufacturing engineering project managers in Auburn, Saint Charles, Tulsa and Vista. The company is headquartered in Saint Charles, Missouri, United States.

WHO ARE WE

Sonaca North America is driven by a passion for innovation and a commitment to excellence. As a leading provider of aerospace and defense solutions, we are dedicated to making air and space travel safe and sustainable. We have 10 locations across North America and our engineering expertise and operational excellence set us apart from the competition.

Since the beginning in 1948, we have a proven track record of delivering high-quality products and services that are reliable, safe, and efficient. Our team of experts is dedicated to staying ahead of the curve in the aerospace and defense industry, utilizing the latest technologies and processes to ensure that we deliver the best possible solutions to our customers.

POSITION SUMMARY

We are currently seeking a Maintenance Mechanic. Our Maintenance Mechanic’s apply methods, best practices, and procedures in preventative maintenance, inspection, diagnostics and repair, of buildings, utilities, equipment and machinery.

ESSENTIAL JOB RESPONSIBILITIES

  • Troubleshoot, diagnose, repair, install, and maintain production equipment, machinery, forklifts, power tools, and other facility equipment, with a strong emphasis on 480V 3-phase electrical systems, motor controls, VFDs, PLC-controlled equipment, and 24VDC control circuits.
  • Perform advanced electrical troubleshooting to identify and resolve equipment failures involving power distribution, control panels, relays, sensors, contactors, safety circuits, and industrial automation systems.
  • Read and interpret electrical schematics, wiring diagrams, mechanical drawings, and technical manuals to effectively diagnose and repair equipment.
  • Fabricate, modify, and repair machine components, guards, brackets, fixtures, and tooling using shop equipment and standard fabrication techniques.
  • Set up and operate manual milling machines, engine lathes, drill presses, grinders, and othermachine shop equipment to manufacture and repair precision parts as required.
  • Perform welding, cutting, machining, and fabrication work to support equipment repairs, improvements, and continuous improvement initiatives.
  • Conduct preventive maintenance, inspections, and corrective repairs on production equipment and facility systems to maximize equipment reliability and uptime.
  • Perform building and facility maintenance, repairs, and improvements, including electrical, HVAC, plumbing, and compressed air systems.
  • Complete all required maintenance documentation, work orders, PM records, and repair reports accurately and in a timely manner.
  • Safely operate forklifts, aerial lifts, and other material handling equipment as required.
  • Install, modify, maintain, and repair all production equipment and machinery, forklifts, power tools and other Sonaca North America equipment.
  • Perform building and facility maintenance, repairs and improvements. This includes plumbing, electrical, and HVAC systems.
  • Perform routine maintenance and inspections on facilities and equipment.

EDUCATION AND EXPERIENCES

  • High school diploma or high school equivalency preferred.
  • HVAC License, Electrical Journeyman license, Boiler operator license preferred.
  • Knowledge of production machines and equipment and the mechanical ability needed to complete repairs.
  • Strong working knowledge of 480V 3-phase power systems, motor starters, VFDs, PLCs, and 24VDC control systems.
  • Demonstrated ability to troubleshoot electrical and electro-mechanical systems in a manufacturing environment.
  • Proficient in reading electrical and mechanical prints and schematics.
  • Experienced in manual machining using milling machines and lathes, including part fabrication and repair.
  • Welding and metal fabrication experience preferred.
  • Ability to work independently and prioritize multiple maintenance tasks in a fast-paced manufacturing environment.
  • Knowledge and ability to perform electrical, plumbing and other facility repairs.
  • Knowledge of the National Electrical Code and techniques and procedures.
  • Ability to operate a forklift truck.
  • Ability to diagnose problems, find solutions and implement all measures to prevent reoccurrence.
  • Ability to follow written and verbal work instructions.
  • Must be able to read and interpret equipment manuals.

Physical Requirements

  • Ability to sit or stand for extended periods of time
  • Noise levels ranging from quiet to extremely loud
  • Required to wear Personal Protective Equipment (PPE) when working on the manufacturing floor including, but not limited to, eye, ear, and foot protection
  • May occasionally lift and /or move up to 10-50 pounds

WHY CHOOSE SONACA NORTH AMERICA?

We take care of our people.

  • 401(k) retirement savings plan with a percentage company-match contribution
  • Competitive wages
  • Paid holidays
  • Paid time off
  • Medical, dental, vision, life, and accidental insurance
  • Short-term disability
  • Long-term disability
  • Employee assistance plan - for access to counseling, consulting, and other community resources
  • Wellness program
  • Tuition assistance
  • Subject to eligibility, terms, and conditions

Pay Range - $28-$35 per hour / DOE

This job description is only a summary of the typical functions of the job, not an exhaustive or comprehensive list of all possible job responsibilities, tasks, and duties. The responsibilities, tasks, and duties may differ from those outlined in the job description and other duties, as assigned, may be required. This document does not create an employment contract. Employees of the Company are employed on an “at will” basis and may be terminated at any time.

Sonaca North America is an equal employment opportunity employer. Consistent with applicable law, Sonaca North America provides access and opportunities to those with disabilities. This includes providing reasonable accommodation to individuals with disabilities and disabled veterans who seek to access the company’s online application system. If an applicant is unable to fully access the online application system, Sonaca North America will provide a reasonable accommodation. Applicants with disabilities may contact us at 636-916-2400for assistance accessing the on-line application system. Callers should have a detailed description of the requested accommodation, their name and preferred method of contact ready for Sonaca North America‘s Human Resources Department. Sonaca North America will make every effort to respond within two (2) business days. This phone number is not for the general submission of application materials.

Sonaca North America is an E-Verify Employer.

Sonaca North America is an Equal Employment Opportunity/Disability/VeteransEmployer

NOTICE ON FRAUDULENT JOB OFFERS

It has been brought to our attention that there have been instances of fraudulent job offers, purporting to be from Sonaca North America and/or its affiliates (“LMI Aerospace”).

This type of fraud is normally carried out through online services such as false websites, or through fake e-mails or call from people claiming to be from the company. These persons offer fraudulent employment opportunities to applicants and often ask for sensitive personal and financial information. The fraudsters may also request recipients to provide personal information and/or to make payments as part of their fake recruiting process.

Sonaca North Americadoes not ask for any financial commitments from candidates as a pre-employment requirement and will always require candidates to formally apply for positions via the Careers Page or job postings.

Sonaca North America has no responsibility for fraudulent offers and if you believe you have been a victim of a fraudulent job offer concerning Sonaca North America, please email [email protected].

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