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Associate Process Engineer Jobs in St Louis, MO (NOW HIRING)

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Associate Process Engineer information

See St Louis, MO salary details

$40.3K

$80.3K

$128.3K

How much do associate process engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for associate process engineer in St. Louis, MO is $80,341.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,700.00 and $92,400.00 per year, depending on experience, location, and employer.

Do associate process engineers make a lot of money?

Associate process engineers typically earn a median salary that is competitive within engineering fields, with entry-level salaries often starting around $60,000 to $70,000 annually. Salaries can increase with experience, certifications, and industry specialization, and some roles may include bonuses or benefits. Overall, the position offers a solid income relative to other entry-level engineering roles.

What are the key skills and qualifications needed to thrive as an associate process engineer?

To thrive as an Associate Process Engineer, you need a solid background in chemical or mechanical engineering, problem-solving abilities, and a relevant bachelor's degree. Familiarity with process simulation software (like Aspen Plus or HYSYS), data analysis tools, and knowledge of industry standards is typically required. Strong analytical thinking, attention to detail, and effective communication skills help you collaborate with cross-functional teams and troubleshoot process issues. These skills ensure efficient process optimization, safety, and continuous improvement in manufacturing or production environments.

What does an associate process engineer do?

An associate process engineer supports the development, implementation, and optimization of manufacturing processes to improve efficiency and quality. They analyze data, troubleshoot issues, and collaborate with teams to ensure processes meet safety and performance standards, often using tools like process flow diagrams and statistical analysis software.

How does an associate process engineer typically collaborate with other departments during a project?

As an Associate Process Engineer, you'll work closely with cross-functional teams such as production, quality assurance, maintenance, and safety. Your role often involves gathering input from operators, coordinating with quality teams to resolve issues, and collaborating with senior engineers on process improvements. Regular communication and teamwork are essential, as you'll be expected to provide technical support, participate in meetings, and help implement solutions that align with overall operational goals. This collaborative environment not only enhances your technical skills but also helps you build strong professional relationships across the organization.

What is the difference between Associate Process Engineer vs Process Engineer?

AspectAssociate Process EngineerProcess Engineer
Required CredentialsBachelor's degree in engineering or related field; some certifications preferredBachelor's degree in engineering; often more experience or certifications required
Work EnvironmentEntry-level, supporting process development and optimization in manufacturing or chemical plantsMore independent roles, overseeing process improvements and troubleshooting
Employer & Industry UsageCommon in manufacturing, chemical, and pharmaceutical industriesUsed across similar industries, often with more responsibility

The main difference between an Associate Process Engineer and a Process Engineer lies in experience and responsibility. The Associate role is typically entry-level, focusing on supporting process tasks, while the Process Engineer has more independence and oversees process improvements. Both roles require similar educational backgrounds, but the Process Engineer usually has more experience or certifications. Understanding these distinctions can help job seekers identify the right position for their career stage and goals.

What are the most commonly searched types of Process Engineer jobs in St. Louis, MO?

The most popular types of Process Engineer jobs in St. Louis, MO are:

What are popular job titles related to Associate Process Engineer jobs in St. Louis, MO?

For Associate Process Engineer jobs in St. Louis, MO, the most frequently searched job titles are:

What job categories do people searching Associate Process Engineer jobs in St. Louis, MO look for?

The top searched job categories for Associate Process Engineer jobs in St. Louis, MO are:

What cities near St. Louis, MO are hiring for Associate Process Engineer jobs?

Cities near St. Louis, MO with the most Associate Process Engineer job openings:

Associate Process Engineer jobs near you
Infographic showing various Associate Process Engineer job openings in St. Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, 3% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $80,341 per year, or $38.6 per hour.

Associate Engineer

Metropolitan St. Louis Sewer District

Saint Louis, MO • On-site

Full-time

Re-posted 7 days ago

Job description

OPERATIONS - COLLECTION SYSTEMS:
Essential Functions:

  • Investigate customer complaints with regard to sewer backups, sewer separation
  • requests, storm water problems, erosions, flooding, and other related issues;
  • Provide information to the public or governmental officials regarding the collection systems;
  • Manage the Sewer Separation Program and initiate work orders for installation of devices to alleviate sewer backups in buildings;
  • Provide CCTV review and coding for quality assurance of in-house CCTV inspections;
  • Investigates sewer problems dealing with such issues as backups and overflows, and make recommendations for maintenance and rehabilitation corrections;
  • Provide technical engineering support to Operations staff members;
  • Attend watershed meetings and coordinate communications between other divisions within MSD.


Additional Responsibilities:

  • Maintain records and prepare reports
  • Perform related work as required or as delegated by supervisors


 

The Metropolitan St. Louis Sewer District provides comprehensive wastewater and storm water management services to residents and businesses in both St. Louis City and County. As one of the most recognized employers in the region and a fixture in the downtown area, MSD employs over 900 individuals in a wide-range of roles including skilled crafts and laborers, engineering, information technology, finance, human resources and administration support.  We invite you to be part of the team!ENGINEERING (CONSTRUCTION/DESIGN/ENVIRONMENTAL COMPLAINCE/PLANNING):
Training and Experience:
  • Bachelor's degree in engineering or in the final year of coursework towards a Bachelor's degree from an accredited college or university.  [Note: In either case, MSD requires proof of graduation on or before the first day employment.]

Desirable Knowledge and Skills:
  • Knowledge of principles and practices of civil engineering; comprehensive
  • knowledge of District regulations and procedures applicable to sewer construction;
  • problem solving and communication skills necessary to work effectively with contractors, engineers, and MSD staff to ensure the successful completion of these projects;
  • considerable knowledge of spreadsheet, word processing and design software; extensive skill in reading and interpreting complex engineering plans and specifications;
  • exceptional skill in maintaining records and preparing technical reports;
  • thorough skill in analyzing and integrating data;
  • considerable skill in communicating effectively both in oral and written form;
  • exceptional ability in forming and maintaining effective working relationships.

OPERATIONS:
Training and Experience:
  • Bachelor's degree in Civil, Chemical, Mechanical, Electrical, or Environmental engineering or in the final year of coursework towards a Bachelor's degree from an accredited college or university.  [Note: In either case, MSD requires proof of graduation on or before the first day employment.]

Desirable Knowledge and Skills:
  • Good knowledge of the principles and practices of civil engineering,
  • skill in the use of basic engineering tools;
  • working skill in making engineering computations;
  • working skill in reading and interpreting engineering plans and specifications;
  • working skill in analyzing and integrating data;
  • working skill in maintaining records and preparing reports;
  • skill in following oral and written instructions;
  • deal effectively and courteously with associates and a wide variety of external contacts including the general public, outside
  • agencies, consultants, and vendors;
  • skill in communicating effectively both verbally and in writing;
  • skill in performing effectively as a member of the team in carrying out the District's mission and philosophy;
  • skill in performing essential functions of the job without posing a direct threat to the health and safety of others.

SPECIAL REQUIREMENT
Must possess a valid driver's license issued by the state in which the employee resides. 
Pursuant to MSD's "Substance Abuse Policy and Procedures," this position has been designated as safety sensitive and candidate must pass a Non-D.O.T. Drug Test for this position. Employees occupying this position are not subject to Federal (D.O.T.) Drug and Alcohol Testing Regulations.
All current employees must have a 'Meets Expectations' or 'Proficient' rating on their most recent performance evaluation to be eligible.
Physical Demands
  • Stationary Position: Occasionally
  • Move/Traverse: Occasionally
  • Stationary Position/Seated: Constantly
  • Transport/Lifting: Rarely
  • Transport/Carrying: Rarely
  • Exerting Force/Pushing: Rarely
  • Exerting Force/Pulling: Rarely
  • Ascend/Descend: Rarely
  • Balancing: Rarely
  • Position Self/Stooping: Rarely
  • Position Self/Kneeling: Rarely
  • Position Self/Crouching: Rarely
  • Position Self/Crawling: Rarely
  • Reaching: Rarely
  • Handling: Occasionally
  • Grasping: Occasionally
  • Feeling: Rarely
  • Communicate/Talking: Constantly
  • Communicate/Hearing: Constantly
  • Repetitive Motions: Frequently
  • Coordination: Frequently
Work Environment
  • Extreme cold: Rarely
  • Extreme heat: Rarely
  • Humidity: Rarely
  • Wet: Rarely
  • Noise: Occasionally
  • Hazards: Rarely
  • Temperature Change: Rarely
  • Atmospheric Conditions: Rarely
  • Vibration: Rarely

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