Mechanical Assembler

Job Title: Production Assembly Technician (Assembler)
Job Description
This role focuses on fabricating barrier filters and aero structures for commercial and military rotorcraft, producing engine inlet air filtration systems that protect engines from unscheduled maintenance or replacement. You will perform precision mechanical assembly, including close-tolerance drilling, countersinking, fastener and rivet installation, trimming, and sub-assembly work, while following established procedures and maintaining accurate production records. Success in this position requires strong technical and mechanical aptitude, careful attention to detail, and a commitment to quality and first-pass yield.
Responsibilities

• Build engine inlet air filtration systems for rotorcraft according to engineering specifications and quality standards.
• Fabricate and assemble sheet metal sub-assemblies for rotorcraft platforms such as CH-53K and UH-60, as well as low-volume parts.
• Perform close-tolerance hole drilling, countersinking, fastener installation, rivet installation, trimming, and assembly operations.
• Install and remove universal and flush head rivets, hi-loks, cherry-max fasteners, hi-shear fasteners, and platenuts as required.
• Interpret and follow engineering drawings and related documentation to ensure proper build completion.
• Conduct in-process self-inspections using micrometers, rulers, and calipers to verify dimensions and tolerances.
• Complete all job-related documentation and production paperwork accurately and in a timely manner.
• Select appropriate hand tools and power tools for each task and use them safely and effectively.
• Operate tools such as pneumatic squeezes and battery-operated drills; progress to using rivet guns when appropriate experience is gained.
• Work with and around a variety of chemicals, following all safety standards and using required personal protective equipment (PPE).
• Maintain an acceptable level of attendance in accordance with company attendance policies.
• Follow all established procedures and policies with a focus on achieving high first-pass yields and consistent product quality.

Essential Skills

• High school diploma or GED.
• Entry-level to 3 years of experience in mechanical or structural assembly, sheet metal work, or a related field.
• Hands-on experience with rivet installation and basic fastener installation.
• Ability to read and interpret blueprints and engineering drawings.
• Drilling experience, including close-tolerance hole drilling and countersinking.
• Mechanical aptitude and comfort working with hand tools and power tools.
• Ability to perform in-process self-inspections using micrometers, rulers, and calipers.
• Capability to work with and around chemicals while adhering to PPE and safety standards.
• Reliable attendance and willingness to work extended hours when needed.

Additional Skills & Qualifications

• Heavy mechanical assembly experience is highly beneficial.
• Experience in structures, sheet metal assembly, or aerospace components is an advantage.
• Recent military experience is valued and can translate well to this role.
• Recent technical school graduates are encouraged to apply.
• Comfort working in a small-shop environment where individual performance is highly visible.
• Ability to learn and progress to using specialized tools such as rivet guns.
• Strong attention to detail and commitment to producing high-quality work.

Why Work Here?
Employees benefit from a consistent raise schedule for entry-level technicians, supporting clear growth and progression over time. The facility is climate controlled, providing a comfortable and stable work environment throughout the year, and all necessary tools are supplied so you can focus on the work rather than equipment costs. Upon conversion to a direct role, you gain access to solid benefits including medical, dental, vision, and prescription drug coverage, paid time off, company-paid life insurance, and a 401(k) plan with company match. The small-shop setting offers the opportunity to stand out, build a strong reputation, and be recognized for your contributions.
Work Environment
The position is based in a climate-controlled, low-volume assembly environment, primarily in a small shop where most work is performed seated at a bench. Candidates must be open to a Monday-Friday schedule, working a 4-day, 10-hour shift either Monday-Thursday or Tuesday-Friday, with typical start times at 5:00 a.m. or 6:00 a.m. There will be significant voluntary and some mandatory overtime, and candidates must be willing to work extended hours that can reach 50+ hours per week. You will regularly use hand tools and power tools such as pneumatic squeezes and battery-operated drills, and may progress to using rivet guns as experience grows. The setting allows individuals to be easily recognized for performance, making it a place where strong contributors can stand out.
Job Type & Location
This is a Contract to Hire position based out of Chesterfield, MO.
Pay and Benefits
The pay range for this position is $20.00 - $23.00/hr.
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.
Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)
Workplace Type
This is a fully onsite position in Chesterfield,MO.
Application Deadline
This position is anticipated to close on Sep 25, 2026.

About Aerotek

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.


Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.


The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.