Mechanical Design Engineer Jobs in Missouri

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Boeing Test & Evaluation (BT&E) is looking for a Mechanical Design Engineer to support the Environmental Test Design Engineering team in Berkeley, MO.

The primary focus of this position is to support St. Louis Environmental Lab testing for local Boeing Defense & Space (BDS) programs. The design team works in partnership with the lab test teams to provide the designs and hardware needed to complete testing. Test capabilities within the Environmental labs include vibrational/structural dynamics, acoustic, airflow systems, fuel flow systems, high temperature flow impingement, and environmental control chambers, where temperature, humidity, and pressure are varied.

Mechanical Design Engineers on the team design and modify test articles, fixtures, and support structures that integrate with our lab facilities. Design work ranges from adapters and fixtures to full test rigs and complete aircraft subsystems with their support structures. Responsibilities include designing interfaces to facility infrastructure such as supplied pressure, heating/cooling, power, hydraulics, and a full suite of instrumentation. Design Engineers support fabrication, installation, connection, and acceptance/check-out to deliver test-ready hardware.

Boeing St. Louis is building the future ‒ creating innovative solutions that will define the next generation of aerospace. As part of this team, you will have the opportunity to work on the latest military aircraft and weapons programs such as T-7A, F-15, F/A-18, MQ-25, JDAM, SDB, in addition to Phantom Works proprietary efforts.

Our teams are currently hiring for a broad range of experience levels including Experienced and Senior Level Mechanical Design Engineers.

Position Responsibilities Include:

• Develop mechanical design criteria from customer test objectives/specifications
• Design mechanical systems, components, test apparatus, and interfaces to integrate test articles with lab and facility infrastructure

• Create detailed CAD models to support design reviews and fit verification/assembly checks
• Evaluate material options and suitable fabrication approaches

• Create detailed fabrication and machine-shop drawings and associated documentation
• Integrate instrumentation and sensor hardware into mechanical designs
• Conduct analyses on test hardware including stress, modal, thermal, and fluid-dynamics assessments
• Provide on-site installation guidance and technical direction to lab personnel during hardware inspection, check-out, and test execution
• Collaborate with electrical engineers, manufacturing engineers, test engineers, and technicians

Basic Qualifications (Required Skills/Experience):

• This position requires the ability to obtain a US Security Clearance for which the US Government requires US Citizenship. A final U.S. Secret Clearance Post-Start is required
• Ability to obtain and maintain access to a Sensitive Compartmented Information (SCI) and/or Special Access Program (SAP) access
• Bachelor of Science degree in Engineering (with a focus on Mechanical, Civil, Aerospace Aeronautical or Material Sciences)
• 5+ years of related work experience or an equivalent combination of technical education and experience
• 3+ years of experience with Model Based Engineering Tools such as Maya, 3DX, Blender, CATIA, or other 3D CAD software

Preferred Qualifications (Desired Skills/Experience):

• Level 4: 10 or more years of related work experience or an equivalent combination of education and experience
• Bachelor's degree or higher in Mechanical Engineering
• 7+ years of experience in mechanical system or fixture design
• 3+ years of experience using Siemens NX
• 1+ years of experience in test and evaluation

• Experience in developing solutions to a wide range of complex technical problems, requiring ingenuity and innovation

Drug Free Workplace:
Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

Conflict of Interest:

Successful candidate for this job must satisfy the Company’s Conflict of Interest (COI) assessment process.

Pay & Benefits:
At Boeing, we strive to deliver a Total Rewards package that will attract, engage, and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities.

The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.

The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements.

Pay is based upon candidate experience and qualifications, as well as market and business considerations.

Summary Pay Range for Mid-level (Level 3): $103,700 – $140,300

Summary Pay Range for Senior level (Level 4): $126,650 – $171,350

Potential signing bonus for eligible/qualified external candidates.

Applications for this position will be accepted until Nov. 13, 2026

Export Control Requirements:

This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.62 is required. “U.S. Person” includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.

Export Control Details:

US based job, US Person required

Education

Bachelor's Degree or Equivalent Required

Relocation

This position offers relocation based on candidate eligibility.

Security Clearance

This position requires the ability to obtain a U.S. Security Clearance for which the U.S. Government requires U.S. Citizenship. An interim and/or final U.S. Secret Clearance Post-Start is required. This position requires ability to obtain program access, for which the U.S. Government requires U.S. Citizenship only.

Visa Sponsorship

Employer will not sponsor applicants for employment visa status.

Shift

This position is for 1st shift

Equal Opportunity Employer:

Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.

Your Benefits

No matter where you are in life, our benefits help prepare you for the present and the future.

• Generous company match to your 401(k).
• Industry-leading tuition assistance program pays your institution directly.
• Fertility, adoption, and surrogacy benefits.
• Up to $10,000 gift match when you support your favorite nonprofit organizations.

These programs are subject to eligibility requirements and other conditions, which may differ for employees of certain subsidiaries or business units, or union-represented employees depending on bargaining agreement terms. If this information conflicts with the program documents, the latter shall control. This material is informational only.