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Salary
≈ $41k – $71k per year (Estimated)
Location
In office (Seminole)
Seniority
Junior · 2+ years exp

Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Sep 24, 2026.

Overview
Company
Impact
Profile match
Experience innovation and reliability with our advanced environmental control systems. From design to certification, experience excellence at every step.

Description

At ACE Thermal Systems, we design, engineer, manufacture, and support high-performance environmental control systems (ECS) and components for extreme temperature and operating conditions and reliable everyday use in aircraft. We are a dedicated supplier for bleed air systems, air conditioning systems, cabin pressure control systems, components, and more.

Our mission is to be the trusted source of mission critical products and services for Aerospace and Defense customers. We do this by exceeding customer expectations through innovative products and processes. We are committed to fostering a dynamic, collaborative environment that encourages professional growth and innovation.

***Position is located in SEMINOLE, OK ***

Position Summary:

The Assembly Technician is the heart of the business. Your role is essential to getting critical aircraft off the ground. You will assemble aircraft environmental control motors, blowers, evaporators, condensers, and wiring assemblies for mission critical aircraft, including medical and police support. You’ll use hand tools, operate equipment, such as die cut, drill press, lathe, mill and sanders, and more, to assembly units, and perform in-process inspections. In additional you will…

  • Perform work on motors, blowers, evaporators, condensers, and wiring assemblies.
  • Ensures correct work order and clocked time is properly tracked.
  • Verify warehouse pull contains correct parts and quantity and raise flag to cell lead or management if there are issues.
  • Check drawing revisions to ensure part is produced to the right revision.
  • Cross reference the Bill of Materials from the Print and Pick Ticket to ensure the units are assembled correctly using the correct parts.
  • Read and interpret all engineering drawings and EPS/PPP documents.
  • Gather tools and verify that they are calibrated and in good condition prior to starting the work, replace tools that are not compliant.
  • Assemble product per print and released procedures to ensure a quality product.
  • Safely operate all equipment such as die cut, drill press, lathe, mill and sanders, etc.
  • Route to Quality or perform in-process inspection per the procedure.
  • Troubleshoot quality issues and rework as necessary to ensure the product meets requirements, escalate to senior Assembler or leadership for difficult issues.
  • Perform tests per the test procedure and record results.
  • If the test fails, troubleshoot issues and rework as necessary to ensure product meets requirements, escalate to senior Assembler or leadership for difficult issues.
  • Perform foreign object detection (FOD) activities to minimize any potential risks.
  • Comply with all safety procedures to ensure proper protective equipment usage.
  • Identify process improvements with the goal of increasing efficiency and elevate to leadership.
  • Clean, sweep, remove trash and set workstation to ensure tools are in their proper location and the area is clean for the next job.
  • Identify safety, quality, delivery cost issues and report to management.

Hours: Shift is Monday to Friday, 6:45 am - 3:15 pm. Some overtime may be required. The position is on-site at our Seminole, OK

Requirements

Required Qualifications:

  • High School Diploma or General Education Degree (GED). Bachelor’s degree preferred.
  • 2 years minimum of relevant experience in a repair/manufacturing/production environment, building or repairing parts. A&P Certification completion may be used in lieu of experience.
  • A&P Certification preferred; experience with ISO or AS9100 procedures preferred.
  • Demonstrated ability reading schematics, prints, drawings, etc. for part assembly.
  • Ability to safely operate all equipment such as die cut, drill press, lathe, mill and sanders, etc. is required.
  • The ability to read, and interpret English documents such as safety rules, operating and maintenance instructions, procedure manuals and reports, drawings and schematics is required.
  • Able to work on-site in our Seminole, OK facility 5 days a week, is required.

Required Competences: Physical Demands: this job regularly requires the use of your hands and fingers; to handle, control, or feel objects, tools or controls; reach with hands and arms; talk, hear and see. Repetitive movement is also required. The job requires you to sit, walk, stoop, bend and move about in an office area/shop area. You will occasionally be required to sit and climb or balance, As well as lift, move, push, and/or carry up to 25lbs regularly; lift, move, push, and/or carry up to 50lb occasionally; and rarely lift, move, push, and/or carry up to 100lbs. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision and ability to adjust and focus.

Application Deadline: The position will remain open until filled.

Benefits: We offer a comprehensive benefits package that includes medical, dental, and vision coverage; a 401(k) plan with company match; paid time off (including vacation and company holidays); life and disability insurance; and an employee assistance program. Employees may also be eligible for professional development support, and wellness initiatives. Benefits eligibility and offerings may vary based on position, location, and length of employment.

EEO Summary: We are an equal opportunity employer and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, veteran status, or any other status protected by applicable federal, state, or local laws.

We are committed to providing reasonable accommodation for individuals with disabilities throughout the application and employment process. If you require assistance or accommodation, please contact us.

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