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Weekend Mechanical Engineer Startup Jobs in Missouri

Poseidon Aerospace

Mechanical Engineer

California, MO · On-site

$80 - $100/hr

Degree in Mechanical Engineering, Aerospace Engineering, or a related field * Proficiency with CAD ... Capable of managing projects independently in a fast-paced, startup environment Nice to Have:

New

CRB

Senior Mechanical Engineer

Kansas City, MO · Hybrid

$102K - $134K/yr

... startup. The Mechanical Engineer IV will serve as a technical leader and mentor, overseeing the ... work of junior and senior engineers and designers. This position requires deep knowledge of ...

CRB

Mechanical Engineer V

Kansas City, MO · On-site

Typical tasks and deliverables that are executed by or under the supervision of the Mechanical Engineer V include site selection, master planning, commissioning and startup, load calculations ...

CRB

Mechanical Engineer V

Kansas City, MO · On-site

Typical tasks and deliverables that are executed by or under the supervision of the Mechanical Engineer V include site selection, master planning, commissioning and startup, load calculations ...

CRB

Senior Mechanical Engineer

Kansas City, MO · On-site +1

$102K - $134K/yr

... startup. The Mechanical Engineer IV will serve as a technical leader and mentor, overseeing the ... work of junior and senior engineers and designers. This position requires deep knowledge of ...

Bayer

Mechanical Engineer Co-Op

Chesterfield, MO · On-site

$26 - $31.50/hr

Mechanical Engineer Co-Op As a Mechanical Engineer Co-op, you will work with a team to provide ... Contribute to the development of equipment checkout plans and support project checkout and startup ...

Bayer

Mechanical Engineer Co-Op

Chesterfield, MO · On-site

$26 - $31.50/hr

Mechanical Engineer Co-Op As a Mechanical Engineer Coop, you will work with a team to provide ... Contribute to the development of equipment checkout plans and support project checkout and startup ...

Bayer Inc.

Mechanical Engineer Co-Op

Chesterfield, MO · On-site

$26 - $31.50/hr

Mechanical Engineer Co-Op As a Mechanical Engineer Coop, you will work with a team to provide ... Contribute to the development of equipment checkout plans and support project checkout and startup ...

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Weekend Mechanical Engineer Startup information

What is a weekend mechanical engineer startup?

Weekend Mechanical Engineer Startup jobs are roles in which mechanical engineers work for startups, often on a part-time basis during weekends. These positions typically involve tasks such as product design, prototyping, testing, and problem-solving to support a startup's engineering needs. Working on weekends allows professionals to contribute to innovative projects without conflicting with their weekday commitments. These jobs are ideal for engineers looking to gain experience in the startup environment, collaborate on new technologies, or supplement their income. Startups often seek weekend talent to accelerate development while managing costs and leveraging diverse expertise.

What unique challenges can a weekend mechanical engineer face in a startup environment, and how can they effectively manage their responsibilities?

Weekend Mechanical Engineers in startups often encounter the challenge of balancing rapid project timelines with limited resources and support during off-peak hours. Unlike larger organizations, startup teams are typically small, requiring engineers to be adaptable and proactive in problem-solving, often working independently or with minimal supervision. Clear communication with the weekday team is crucial to ensure continuity and avoid duplication of work. Embracing flexibility, documenting progress meticulously, and utilizing collaborative tools can help manage these unique responsibilities effectively.

What are the key skills and qualifications needed to thrive as a weekend mechanical engineer in a startup, and why are they important?

To excel as a Weekend Mechanical Engineer in a startup, you need a solid background in mechanical engineering principles, a relevant engineering degree, and hands-on experience with prototyping and design. Familiarity with CAD software (like SolidWorks or AutoCAD), rapid prototyping tools, and possibly certifications such as EIT or PE are highly valuable. Strong problem-solving abilities, flexibility, and effective communication are crucial soft skills, especially in a dynamic startup environment. These skills and qualifications are important because they enable engineers to quickly adapt, innovate, and contribute to product development in fast-paced, resource-constrained settings.

What is the difference between Weekend Mechanical Engineer Startup vs Weekend Mechanical Technician?

AspectWeekend Mechanical Engineer StartupWeekend Mechanical Technician
Required CredentialsBachelor's in Mechanical Engineering, possibly PE licenseAssociate's or technical diploma in Mechanical Technology
Work EnvironmentDesign, development, and project planning in startup settingsMaintenance, troubleshooting, and repair in industrial or manufacturing facilities
Employer & Industry UsageStartups, engineering firms, manufacturingFactories, maintenance companies, industrial plants

The Weekend Mechanical Engineer Startup typically requires a formal engineering degree and focuses on design and project planning, while the Weekend Mechanical Technician emphasizes hands-on maintenance and repairs. Both roles are common in industrial settings but serve different functions within the industry.

What are the most commonly searched types of Mechanical Engineer Startup jobs in Missouri?

The most popular types of Mechanical Engineer Startup jobs in Missouri are:

What cities in Missouri are hiring for Weekend Mechanical Engineer Startup jobs?

Cities in Missouri with the most Weekend Mechanical Engineer Startup job openings:

Weekend Mechanical Engineer Startup jobs near you

Mechanical Engineer

California, MO • On-site

Poseidon Aerospace
See more jobs at Poseidon Aerospaceexternal

$80 - $100/hr

Other

Medical, Retirement, PTO

Posted yesterday

New

Job description

About Poseidon Aerospace:

Poseidon Aerospace is reimagining how the world moves goods. We build and operate full-size autonomous cargo aircraft - capable of carrying two tons of payload over a thousand nautical miles. From remote communities to contested logistics operations, our platforms unlock a new cost curve for air freight, making it faster, cheaper, and accessible anywhere it's needed. Headquartered in the San Francisco Bay Area with locations in Washington DC, Oregon, and Maine; we're building something consequential.

We encourage candidates without at least a year of full-time, post graduation work experience to apply to our Mechanical Engineer (New Graduate) job posting

As a Mechanical Engineer at Poseidon Aerospace, you will design the structural and mechanical systems that make our composite aircraft functional and manufacturable. You will work across CAD design, mechanism development, and finite element analysis to create reliable, lightweight structures suited for flight and marine environments. This role is both analytical and hands-on, involving close collaboration with manufacturing, aerodynamics, and test teams to bring designs from concept to flight hardware.

Responsibilities:

  • Design and develop aircraft structures, mechanisms, and tooling using CAD software
  • Perform FEA to validate strength, stiffness, and load paths in composite and metallic components
  • Create detailed part/assembly drawings and documentation for manufacturing and inspection
  • Design linkages, control surface mechanisms, and mounting systems for aircraft subsystems
  • Collaborate with manufacturing engineers to ensure designs are practical, cost-effective, and easy to assemble
  • Support testing and validation of structural and mechanical systems, including fixture and rig design
  • Maintain CAD libraries, revision control, and configuration management for aircraft assemblies
  • Provide design feedback to improve manufacturability, maintainability, and structural efficiency

Ideal Qualifications:

  • Degree in Mechanical Engineering, Aerospace Engineering, or a related field
  • Proficiency with CAD software such as Fusion,, SolidWorks, CATIA, or NX
  • Strong understanding of structural design, stress analysis, and mechanical systems
  • Experience with FEA tools such as ANSYS, Fusion Simulation, Nastran, or similar
  • Ability to apply GD&T and mechanical tolerancing to production drawings
  • Familiarity with composite and metallic fabrication methods
  • Understanding of fundamentals of flight mechanics and aircraft dynamics
  • Comfortable working hands-on with prototypes, test articles, and shop tools
  • Capable of managing projects independently in a fast-paced, startup environment

Nice to Have:

  • Experience with bonded composite structures or hybrid assemblies
  • Background in actuation systems, linkages, or motion mechanisms
  • Knowledge of vibration, fatigue, or modal analysis
  • Hands-on experience with machining, additive manufacturing, or assembly tooling
  • Familiarity with design for manufacturing (DFM) and design for assembly (DFA)
  • Proficiency in MATLAB or Python for analysis and process automation
  • Exposure to aerospace certification or flight test environments
What you get from us
  • Competitive salary and meaningful early-stage equity
  • Relocation support if applicable
  • Employee Health Benefit Plans
  • 6% Retirement matching
  • Flexible PTO
  • Free lunches, snacks, and a stocked fridge at our offices
  • AI tools and subscriptions
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