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The Boeing Company in the St. Louis region is seeking Experienced or Senior Mechanical System Design Engineers to develop, maintain and modify air vehicle subsystems using 3-D CAD tools.
This role supports current and emerging aircraft programs within Boeing Defense Space and Security. Responsibilities include designing subsystems, validating performance with analyses and tests, and coordinating with suppliers to meet program goals while pursuing innovative technology for future aircraft
At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us.
Boeing St. Louis is building the future ‒ creating innovative solutions that will define the next generation of aerospace. We are currently seeking Experienced or Senior Mechanical System Design Engineers to develop, maintain and modify air vehicle subsystems (Armament, Crew Systems, Environmental Cooling, Equipment, Fuel, Hydraulics, Landing Gear, Mechanisms and Thermodynamic) and component designs, using 3-D Computer Aided Design tools and/or other design methods, to provide product definition to other engineering groups, production operations, suppliers and external customers throughout the product lifecycle.
These positions are located in the St. Louis region and support current and emerging aircraft programs as part of the Air Dominance division in Boeing Defense Space and Security (BDS).
Positions will be located at one of the listed locations: Berkeley, MO; Hazelwood, MO; St. Louis, MO; St. Charles, MO; Mascoutah, IL.
Develop, integrate and document air vehicle subsystems requirements to establish the system design
Develop, maintain and modify air vehicle subsystems and component designs, using 3-D Computer Aided Design tools and/or other design methods, to provide product definition to other engineering groups, production operations, suppliers and external customers throughout the product lifecycle
Perform, integrate analytical and test results to validate and verify systems and components meet requirements and specifications
Manage supplier development, test and production activities and coordinates with the supplier to optimize the design and achieve program goals
Develop new design/analysis processes and tools to improve the effectiveness, quality and efficiency of the development effort
Investigate emerging technologies to develop concepts for future product designs to meet projected requirements
Work under general direction
Develop, integrate and document air vehicle subsystems requirements to establish the system design
Develop, maintain and modify air vehicle subsystem and component designs, using 3-D Computer Aided Design tools and/or other design methods, to provide product definition to other engineering groups, production operations, suppliers and external customers throughout the product lifecycle
Lead performance, integration and analysis of tests to validate and verify systems and components meet requirements and specifications
Manage supplier development, test and production activities and coordinates with the supplier to optimize the design and achieve program goals
Assist with investigation of emerging technologies to develop concepts for future product designs to meet projected requirements
Work under minimal direction
Bachelor of Science degree in Engineering (with a focus on Mechanical, Civil, Aerospace Aeronautical or Material Sciences)
Level 3: 5 or more years' related work experience or an equivalent combination of technical education and experience
Level 4: 9 or more years' related work experience or an equivalent combination of technical education and experience
Experience using NX / Teamcenter and familiarity with reading 2-D drawings
This position requires the ability to obtain a US Security Clearance for which the US Government requires US Citizenship as a condition of employment. An interim and/or final U.S. Secret Clearance Post-Start is required.
Some positions may require the ability to obtain Special Program Access, for which the U.S. Government requires U.S. Citizenship only.
Mechanical Design experience on military or commercial aircraft
An active U.S. Security Clearance in the past 24 months
Experience leading and working with aircraft fluid systems design and components including pumps, valves, heat exchangers, sensors and controls
Experience with component requirement specifications and managing supplier development activities
Experience with thermal analysis tools such as ANSYS Thermal Desktop
Experience with modeling and simulation software such as Matlab, Simulink, Simcenter Amesim and Flomaster
Experience with Model Based Systems Engineering concepts and tools such as Magic Systems of Systems Architect
The ability to work in a multidisciplinary team
Experience in developing solutions to a wide range of complex technical problems, requiring ingenuity and innovation
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.
Level 3: $103,700 - $140,300
Level 4: $126,650 - $171,350
Applications for this position will be accepted until Sept. 04, 2026
Bachelor's Degree or Equivalent Required
This position offers relocation based on candidate eligibility.
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.
Employer will not sponsor applicants for employment visa status.
This position is for 1st shift
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.