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Associate Engineer Jobs in O Fallon, MO (NOW HIRING)

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Systems Engineer

Berkeley, MO · On-site

$91K - $124K/yr

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Systems Engineer

Hazelwood, MO · On-site

$91K - $124K/yr

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Systems Engineer

Hazelwood, MO · On-site

$91K - $124K/yr

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Systems Engineer

Hazelwood, MO · On-site

$91K - $124K/yr

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Systems Engineer Company: The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based ...

Associate Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality ...

Associate Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality ...

Associate Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, brings over 30 years of industry experience designing, implementing, training, and supporting high-quality ...

Industry/Sector Not Applicable Specialism Data, Analytics & AI Management Level Senior Associate & Summary At PwC, our people in data and analytics engineering focus on leveraging advanced ...

Showing results 41-60

Associate Engineer information

See O Fallon, MO salary details

$38.8K

$77.3K

$123.5K

How much do associate engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for associate engineer in O'Fallon, MO is $77,305.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,300.00 and $88,900.00 per year, depending on experience, location, and employer.

What is an associate engineer?

Associate Engineers are entry-level engineering professionals who support more experienced engineers in designing, developing, testing, and maintaining various projects in their field. They typically work under supervision and assist with tasks such as drafting technical documents, conducting research, analyzing data, and ensuring compliance with industry standards. Associate Engineers often gain practical experience and training to advance to higher-level engineering roles as they develop their skills.

What are some typical challenges associate engineers face when transitioning from academic projects to industry roles?

Associate Engineers often find the transition from academic projects to industry roles challenging due to differences in project scope, teamwork dynamics, and pace. In industry, you’ll likely work on larger, multi-disciplinary teams where effective communication and collaboration are crucial. Additionally, projects often have stricter deadlines and require adherence to established processes and standards, which may be less emphasized in academic settings. Embracing continuous learning and seeking mentorship from senior engineers can help ease this transition and set you up for success.

What are the key skills and qualifications needed to thrive as an associate engineer, and why are they important?

To thrive as an Associate Engineer, you need a solid grasp of engineering principles, problem-solving abilities, and a relevant bachelor's degree. Familiarity with CAD software, industry-specific tools, and basic project management systems is typically required. Strong teamwork, attention to detail, and effective communication set standout candidates apart. These skills and qualities are crucial for delivering accurate technical solutions and contributing effectively to engineering projects.

What is the difference between Associate Engineer vs Mechanical Engineer?

AspectAssociate EngineerMechanical Engineer
Required CredentialsBachelor's degree in engineering or related field; entry-level certificationsBachelor's degree in mechanical engineering; professional licensure (optional)
Work EnvironmentDesign, testing, and support roles in engineering teams; often in office or lab settingsDesign, analysis, and manufacturing in industrial or construction settings
Employer & Industry UsageEntry-level position across various industries like manufacturing, construction, and techDesign and development roles primarily in manufacturing, automotive, aerospace, and energy sectors

The main difference between an Associate Engineer and a Mechanical Engineer lies in experience and responsibilities. Associate Engineers are typically entry-level, focusing on supporting engineering tasks, while Mechanical Engineers have more experience and handle complex design and analysis responsibilities. Both roles require a bachelor's degree, but Mechanical Engineers often pursue licensure for advanced roles. The choice depends on your experience level and career goals within engineering fields.

How much does an associate engineer get paid?

An associate engineer's average salary typically ranges from $60,000 to $80,000 annually, depending on industry, location, and experience. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Salaries often increase with experience and additional responsibilities.

What can I do with an associate engineer's degree in engineering?

An associate engineer's degree prepares individuals for entry-level engineering roles such as technician, assistant engineer, or project support staff. These positions often involve tasks like drafting, testing, data analysis, and using tools like CAD software, with opportunities for on-the-job training and certification to advance in engineering fields.

What is the salary of an associate engineer?

The salary of an associate engineer typically ranges from $60,000 to $80,000 annually, depending on factors such as industry, location, and experience. Entry-level positions may start lower, while experienced associates or those with specialized skills can earn higher wages.

What are the most commonly searched types of Engineer jobs in O'Fallon, MO?

The most popular types of Engineer jobs in O'Fallon, MO are:

What are popular job titles related to Associate Engineer jobs in O'Fallon, MO?

For Associate Engineer jobs in O'Fallon, MO, the most frequently searched job titles are:

What job categories do people searching Associate Engineer jobs in O'Fallon, MO look for?

The top searched job categories for Associate Engineer jobs in O'Fallon, MO are:

What cities near O'Fallon, MO are hiring for Associate Engineer jobs?

Cities near O'Fallon, MO with the most Associate Engineer job openings:

Infographic showing various Associate Engineer job openings in O'Fallon, MO as of August 2026, with employment types broken down into 1% As Needed, 68% Full Time, 29% Part Time, 1% Temporary, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $77,305 per year, or $37.2 per hour.

Associate Systems Engineer

Boeing

Saint Charles, MO

$91K - $124K/yr

Full-time

Medical, Life, Retirement

Re-posted 10 days ago


Boeing rating

8.5

Company rating: 8.5 out of 10

Based on 613 frontline employees who took The Breakroom Quiz

33rd of 540 rated manufacturers


Job description

Associate Systems Engineer

Company:

The Boeing Company is seeking Associate Systems Engineers to join one of our St. Louis, MO (Berkeley, Hazelwood, Saint Charles) based teams. Our St. Louis based teams are responsible for development, production, trainers, and sustainment for some of the most advanced defense and weapon systems in the world - including, but not limited to: Fighters/Tactical (F-47, F-15, F/A-18, F-22, & T-7A), Autonomous Systems (MQ-25), Precision Engagement Systems (JDAM, SDB, etc), and other advanced proprietary systems (Phantom Works) and platforms (AH-64, P-8, C-17, etc.).

Our teams are currently hiring a broad range of Associate Systems Engineers in the following disciplines:

  • Systems Architecture, Requirements and Interfaces Definition

  • Systems Integration, Verification, & Validation

  • Reliability, Maintainability, & System Health

  • Human Factors & Ergonomics

  • Operations / Systems Analysis

  • Flight Crew Operations Integrations

  • Crew Station Design & Integration

Position Responsibilities:

  • Contribute to systems engineering efforts on new development, production, and/or sustainment programs, ensuring alignment with program goals and objectives

  • Work with teams across disciplines to write and keep system requirements, interfaces, verification, and test criteria up to date

  • Perform analyses for affordability, safety, reliability, maintainability, testability, human factors, survivability, vulnerability, security, and product assurance

  • Support program design reviews and technical assessments

  • Track and update requirements, risks/issues/opportunities, tools, and technology readiness

  • Help adopt and use modern systems engineering methods (for example, Model-Based Systems Engineering)

This position is expected to be 100% onsite (no hybrid or remote options). The selected candidate will be required to work onsite at one of the listed location options.

Travel may be required; Domestically and/or Internationally depending on business needs.

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

  • Special Program Access or other Government Access Requirements may be required for these positions

Basic Qualifications (Required Skills/Experience):

  • Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement

  • 2 or more years' related engineering experience

Preferred Qualifications (Desired Skills/Experience):

  • Active U.S. Security Clearance

  • Prior Systems Engineering experience (i.e. system design, functional decomposition, requirements development, analysis, verification, and validation)

  • Experience with Aircraft, Mission Systems and/or Weapon System development

  • Experience with verification and/or certification efforts (including supporting military safety critical and/or mission critical system hardware and software certification)

  • Experience collaborating with multi-discipline teams to support technical program reviews

  • Experience with Model Based Systems Engineering (MBSE) tools, such as Cameo, MSOSA or similar Systems Modeling Language (SysML)-compatible tool for systems architecture and model development

  • Technical understanding and experience with any of the following: DOORS, Cadece/Pspice, Python, C#, C++, JavaScript, Visual Studio, Subversion, Azure DevOps, Git, CAFTA, ReliaSoft or FaultTree+

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.

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:

Level 2: $91,800 - $124,200

The Boeing 401(k) helps you save for your future, with contributions from Boeing that can help you grow your retirement savings. Our best-in-class retirement benefit features:

  • Best in class 401(k) plan: we'll match your contributions dollar for dollar, up to 10% of eligible pay with Immediate 100% vesting

  • Student Loan Match: The Boeing 401(k) Student Loan Match allows eligible enrolled U.S. employees to have their qualified student loan debt payments counted, along with any match-eligible contributions they make, for purposes of determining the Company Match to employees' Boeing 401(k) accounts.

Language Requirements:

Not Applicable

Education:

Bachelor's Degree or Equivalent

Relocation:

This position offers relocation based on candidate eligibility.

Export Control Requirement:

Safety Sensitive:

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.

Visa Sponsorship:

Employer will not sponsor applicants for employment visa status.

Contingent Upon Award Program

This position is not contingent upon program award

Shift:

Shift 1 (United States of America)

Stay safe from recruitment fraud! The only way to apply for a position at Boeing is via our Careers website. Learn how to protect yourself from recruitment fraud - Recruitment Fraud Warning

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.

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