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Professional Engineer Jobs in Missouri (NOW HIRING)

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Professional Engineer information

See Missouri salary details

$43.6K

$91K

$128K

How much do professional engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for professional engineer in Missouri is $91,046.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,400.00 and $103,200.00 per year, depending on experience, location, and employer.

What is a professional engineer?

Professional Engineers (PEs) are licensed engineers who have met the education, experience, and exam requirements established by their state or country. They are legally authorized to sign off on engineering projects, offer their services to the public, and take responsibility for the safety and integrity of engineering work. Becoming a PE typically involves earning an accredited engineering degree, passing the Fundamentals of Engineering (FE) exam, gaining relevant work experience, and passing the Professional Engineering (PE) exam. The PE license signifies a high standard of competence and ethics in the engineering profession.

What can professional engineers do?

Professional engineers design, develop, and evaluate systems, structures, and processes across various industries such as construction, manufacturing, and technology. They apply scientific and mathematical principles, often hold licensure, and are responsible for ensuring safety, compliance, and efficiency in their projects.

What is the difference between Professional Engineer vs Mechanical Engineer?

AspectProfessional EngineerMechanical Engineer
CredentialsRequires PE license, degree, work experience, examRequires degree, possibly fundamentals exam, but not license
Work EnvironmentDesign, review, sign off on projects, often in consulting or engineering firmsDesign, analysis, manufacturing, and testing in various industries
Industry UsageLicensed in engineering projects, legal responsibilityCommonly employed in manufacturing, automotive, aerospace, and more

The main difference between a Professional Engineer and a Mechanical Engineer is that the PE is licensed and authorized to sign off on engineering projects, ensuring legal and safety standards are met. Mechanical Engineers typically hold the necessary education and experience but do not have licensing requirements unless they pursue PE licensure. Both roles work closely in engineering fields, but the PE designation signifies a higher level of responsibility and legal accountability.

What does a professional engineer do?

A professional engineer uses mathematics and science to create safe and efficient buildings, machines, and applications. Engineers typically specialize in a particular field, such as aerospace, mechanical, or structural engineering. Your job duties vary depending on your area of expertise and employer but may include creating plans, designing machinery, or building skyscrapers. This career often involves a combination of office and field work. Frequent travel is an additional job requirement for many professional engineering jobs. Long hours and overtime work are also expected to meet deadlines.

What are some common challenges professional engineers face when managing multiple projects simultaneously?

Professional Engineers often juggle several projects at once, which can present challenges in prioritizing tasks, coordinating with diverse teams, and ensuring compliance with regulatory standards. Effective time management and clear communication are essential to handle shifting deadlines and resource allocation. Collaborating closely with project managers, clients, and other engineers helps maintain project momentum and quality, while regular progress reviews ensure that no critical detail is overlooked.

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

To thrive as a Professional Engineer, you need a solid grasp of engineering principles, problem-solving skills, and a degree in engineering, typically complemented by a Professional Engineer (PE) license. Familiarity with industry-standard software such as AutoCAD, MATLAB, or project management tools, along with ongoing continuing education, is often required. Strong communication, teamwork, and project management abilities help engineers deliver effective solutions and collaborate with diverse stakeholders. These skills and qualifications ensure engineers can design safe, efficient systems and maintain high professional standards in complex technical environments.
More about Professional Engineer jobs
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What cities in Missouri are hiring for Professional Engineer jobs? Cities in Missouri with the most Professional Engineer job openings:
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Professional Engineer jobs near you
Infographic showing various Professional Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 20% Part Time, and 6% Contract. Highlights an 89% Physical, 1% Hybrid, and 10% Remote job distribution, with an average salary of $91,046 per year, or $43.8 per hour.

Professional Engineer (Water/Wastewater)

Cochran

Saint Charles, MO • On-site

Full-time

Posted 16 days ago

Job description

Cochran is a growing civil engineering firm with 7 Missouri offices, offering services in construction administration, materials testing, architectural and geotechnical engineering, and land surveying. Serving both public and private sectors, Cochran's expertise spans municipal, commercial, residential, transportation, water/wastewater, site development, retail, planning, and interior design. With 120+ professionals, the firm delivers tailored solutions backed by deep expertise and is guided by core values of teamwork, excellence, quality, and trust—ensuring principal involvement and outstanding service throughout every project.

Cochran's Wentzville, Missouri location, is looking for a Licensed Professional Engineer to join our team.

Position Summary:
We are seeking a motivated and detail-oriented Licensed Professional Engineer to support a wide range of civil engineering projects. This role is ideal for someone who is already licensed and has experience with water/wastewater design.

Key Responsibilities:

  • Assist in the planning, design, and delivery of civil engineering projects, including site development, roadway improvements, drainage systems, and utility infrastructure
  • Prepare design plans, technical specifications, and cost estimates
  • Perform engineering calculations, site layout, grading, and stormwater modeling
  • Support project managers with schedules, budgets, permitting, and agency coordination
  • Conduct site visits and assist with construction observation and documentation
  • Collaborate with internal teams and external stakeholders to ensure successful project outcomes
  • Mentor junior engineers and support staff as needed

Qualifications:

  • Bachelor's degree in Civil Engineering or a related field
  • PE license preferred or on track to obtain within 12 months
  • 5+ years of relevant civil engineering experience
  • Proficient in AutoCAD Civil 3D and Microsoft Office Suite
  • Strong written and verbal communication skills
  • Self-motivated with the ability to work both independently and in a team environment

Preferred Experience:

  • Familiarity with local, state, and federal design standards and permitting requirements
  • Experience working with municipalities, DOTs, or private developers
  • Knowledge of stormwater modeling software or other civil design tools

Benefits

  • Competitive salary and performance-based bonuses
  • 100% company paid Medical, Dental, Vision, Life, and Long-Term Disability insurance for employees, plus company deductible assistance
  • 401(k) with 4% company match
  • Generous PTO plan and 7 major holidays
  • Continuing education and professional development support