555 Mechanical Engineering Intern jobs in Chesterfield,MO

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Manager, Software Engineering

Mastercard

O Fallon, MO 63368

~ 22 min OnsiteUrgently HiringEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
15+ years of experience in software engineering and architecture, including leadership roles on complex, mission-critical platforms.
Proven track record of delivering distributed/scalable systems and high-volume transaction applications.
Experience with fintech, digital payments, authentication, or identity systems.
Strong grounding in security, secure SDLC, PCI considerations, and compliance-driven architecture.
Familiarity with reliability engineering, observability platforms, and operational excellence practices.
Prior leadership in an organization undergoing significant platform evolution or transformation.
Deep understanding of modern software architecture, cloud infrastructure, and service-oriented systems.
Strong grasp of software operations, including monitoring, incident management, and performance tuning.
Experience managing budgets, forecasting, and resource planning.
Exceptional communication, executive presence, and ability to simplify complex technical topics for senior stakeholders.
Exceptional leadership skills with the ability to inspire and influence across all levels of the organization.
Skilled at translating complex technical concepts into clear, actionable plans.

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Mechanical Engineer II - Product Engineering

Leonardo DRS

High Ridge, MO 63049

~ 26 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

Bachelor's Degree in Mechanical Engineering or related technical field and a minimum of two years experience
U.S. Citizenship required
Engineering or design experience with mechanical equipment, assemblies and components including machined components, welded structures and sheet metal parts
Comfortable and competent writing and creating technical documentation
Competent using MS Office (Word, Excel, Visio, Project, and PowerPoint)

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Experienced Mechanical Systems Design & Analysis Engineer

Boeing

Saint Louis, MO 63134

~ 19 min OnsiteHealth InsuranceRetirement Benefit

This position requires the ability to obtain a US Security Clearance for which the US Government requires US Citizenship
Bachelor of Science degree in Engineering (with a focus on Mechanical, Civil, Aerospace Aeronautical or Material Sciences)
5 or more years of experience with engineering and design software (i.e. CAD/3D packages (UG/NX, CATIA, SolidWorks, CREO, etc.)
5 or more years of experience in mechanical engineering design and analysis
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.
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.
Education: Bachelor's Degree or Equivalent Required
Relocation: This position offers relocation based on candidate eligibility
Visa Sponsorship: Employer will not sponsor applicants for employment visa status
Shift: This position is for 1st shift

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Sr. Project Engineer

MasTec Industrial

Saint Louis, MO 63190

$130,000-$160,000/yr

Urgently Hiring

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Lead Site Reliability Engineer-2

Mastercard

O Fallon, MO 63368

~ 22 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

BS in Computer Science or related field.
Proficiency in Java, Spring Framework, Python, or Go.
Strong DevOps and configuration management skills.
Experience with distributed systems and automation.
Problem-solving, communication, and leadership abilities.
Willingness to learn and collaborate across teams.
Passion for observability and continuous improvement.

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Senior Electrophysics Engr/Scien (Comm & Sensor Systems)

Boeing

Hazelwood, MO 63042

~ 27 min OnsiteFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry
9+ years of work-related experience with a Bachelor's OR 7+ years with a master's OR 3+ years with a PhD
This position requires an active U.S. Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active)
A final U.S. Secret Clearance Pre-Start is required.
This position is 100% onsite. The selected candidate will be required to work on-site at one of the listed location options.
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.
US based job, US Person required
Relocation: This position offers relocation based on candidate eligibility.
Shift: This position is for 1st shift.
Export Control Details: US based job, US Person required
Relocation

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Senior Manufacturing Engineer

Watlow

Saint Louis, MO 63146

~ 19 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in engineering OR Technical degree/certificate
5+ years of related engineering experience OR 10+ years' related experience with technical degree/certificate
Typically 5+ years of experience in manufacturing engineering or closely related roles
Demonstrated track record of reducing scrap, improving throughput, and/or deploying equipment/automation in a production environment
Experience leading cross-functional projects from concept through implementation
Experience with troubleshooting electrical and mechanical issues in manufacturing equipment

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Aircraft Component Repair Technician 3 (Second Shift)

Gulfstream Aerospace Corporation

Saint Louis, MO 63129

$31.06-$36.24/hr

~ 19 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

High School Diploma or GED required
A&P license, FCC license, or NCATT cert preferred
Able to read/interpret blueprints, engrg docs and use/read precision measuring tools
Proficient in the operation of all tools & equip in the dept
Basic understanding of shop math
4 years experience in one of the following or other related exp: Sheetmetal , hydraulic overhaul, avionics/elect compo repair
Accredited schooling in electronics and elect sys may offset some experience reqmts
APU removal, install, service
This will be a 2nd shift position
Candidate must have experience overhauling and repairing landing gear
Candidate must be proficient in the use of micrometers, calipers, tri-mics, reading and interpreting aircraft drawings and component overhaul manuals

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Controls/Manufacturing Engineer

Illinois Tool Works

Saint Louis, MO 63129

~ 19 min Onsite

2-5+ years of experience in industrial automation or controls engineering within a manufacturing environment
Strong experience with Allen Bradley PLC platforms (SLC 5/05, ControlLogix, CompactLogix, MicroLogix)
Experience with robotic programming and automation systems
Experience with AC drives, motor control systems, and industrial automation hardware
Proficiency in HMI development (PanelView, Ignition or similar)
Knowledge of industrial communication protocols (EtherNet/IP, Modbus TCP/IP, Remote I/O)
Demonstrated ability to troubleshoot electrical and mechanical systems in a manufacturing environment
Strong understanding of lean manufacturing, root cause analysis, and continuous improvement methodologies
Ability to travel 15-20%

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Region Landfill Engineer

Waste Connections

Wildwood, MO 63040

~ 19 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Bring at least 5 years of experience in waste services, civil construction, or mining
Hold a degree in civil or environmental engineering
Possess experience leading large‑scale projects
Being primarily accountable for project outcomes

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