Manufacturing Engineer - Assembly

Job Title: Manufacturing Engineer - Assembly
Job Description
The Manufacturing Engineer - Assembly supports and improves assembly operations in a production environment, with a strong focus on optimizing assembly lines, enhancing efficiency, and resolving production issues through hands-on engineering support on the shop floor.
Responsibilities

• Conduct detailed time studies and analyze assembly workflows to improve line efficiency and productivity.
• Perform motion analysis, including hand-in-motion studies, to optimize operator tasks and reduce waste.
• Troubleshoot production and assembly issues in real time on the shop floor and implement effective corrective actions.
• Improve line balance, throughput, and overall process flow across multiple production lines.
• Apply structured problem-solving methods such as DMAIC and 5 Whys to identify root causes and drive sustainable solutions.
• Partner closely with operations teams to implement process improvements and establish standard work practices.
• Support the development, refinement, and maintenance of work instructions, process documentation, and visual aids for assembly operations.
• Leverage knowledge of machining fundamentals, including tolerances, feeds, and speeds, to support upstream and downstream processes and ensure production quality.
• Continuously identify opportunities for lean manufacturing initiatives and contribute to ongoing continuous improvement efforts.

Essential Skills

• 3 to 7+ years of relevant manufacturing experience supporting assembly or production lines in a manufacturing environment.
• Proven experience conducting time studies and driving process optimization in assembly operations.
• Hands-on troubleshooting experience addressing production and assembly issues on the shop floor.
• Strong background in manufacturing engineering and process engineering within a production environment.
• Demonstrated ability to apply structured problem-solving methodologies such as DMAIC and 5 Whys.
• Familiarity with Lean Manufacturing principles and continuous improvement practices.
• Solid understanding of machining fundamentals, including tolerances, feeds, and speeds, and their impact on assembly and production quality.
• Ability to collaborate effectively with operations and cross-functional teams to implement process improvements.
• Strong analytical skills to interpret workflow data and translate findings into actionable improvements.

Additional Skills & Qualifications

• Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, or Industrial Engineering.
• Experience performing motion analysis and hand-in-motion studies to optimize operator productivity.
• background in line balancing and throughput optimization across multiple assembly lines.
• Experience creating and maintaining work instructions, process documentation, and visual management tools.
• Knowledge of standard work development and implementation in a manufacturing environment.
• Exposure to continuous improvement frameworks and lean tools used in high-volume production settings.

Work Environment
This role is based onsite in a manufacturing environment, working closely with assembly and production lines and spending significant time on the shop floor. The standard schedule is Monday through Friday, typically 7:00 a.m. to 4:00 p.m. or 8:00 a.m. to 5:00 p.m., with no regular overtime and no weekend shifts. The environment is hands-on and fast-paced, requiring comfort around production equipment and machinery, and a strong focus on safety, quality, and collaboration with operations teams.
Job Type & Location
This is a Contract position based out of Saint Louis, MO.
Pay and Benefits
The pay range for this position is $40.00 - $44.00/hr.
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 Saint Louis,MO.
Application Deadline
This position is anticipated to close on Jul 20, 2026.
About Actalent


Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.


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


If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.



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.