Process Engineer Jobs in St. Louis, MO

St. Louis, Missouri$81,000 USD/yearFull-time
Updated: April 2026Expert reviewed|Data sourced from BLS, Glassdoor, and industry reports

About Process Engineer Jobs in St. Louis

Looking for a Process Engineer job in St. Louis? You're in the right place. This guide covers everything you need to know about working as a Process Engineer in St. Louis, MO.

We'll show you what you can expect to earn. We'll also share which companies are hiring. Plus, you'll learn about the cost of living and how to get started in your job search.

St. Louis has a strong job market for Process Engineers. Many employers are actively looking for talent. Read on to learn how to land your next role.

Process Engineer Salary in St. Louis

Entry Level
$53,550
Median
$81,000
Senior Level
$113,850

Process Engineer salaries in St. Louis are in line with national averages, offering competitive compensation for the region.

Purchasing power in St. Louis is comparable to the national average, with salaries appropriately scaled to local costs.

Required Skills

Process DesignOptimizationData AnalysisQuality ControlDocumentation

Process Engineer Job Market in St. Louis

St. Louis, MO is a major regional employment hub for Process Engineer professionals. Though smaller than coastal metros, St. Louis offers focused opportunities and often better work-life balance. While Healthcare leads the local economy, there's growing demand for Process Engineer roles across various sectors. The market for Process Engineer positions remains stable, with opportunities in both established companies and growing organizations.

Top Companies Hiring Process Engineers in St. Louis

City of St. LouisMetro TransitAmerenWashington University

Major employers hiring Process Engineers in St. Louis include City of St. Louis, Metro Transit, Ameren, Washington University. Many companies offer competitive benefits including comprehensive healthcare, and professional development opportunities.

Cost of Living for Process Engineers in St. Louis

Living in St. Louis as a Process Engineer means navigating a cost of living that's close to the national average. Average rent for a 1-bedroom apartment is approximately $1,100/month (39% below the national average). At median Process Engineer salary, housing is quite affordable at 16% of gross income, leaving room for savings and lifestyle spending.

90
Cost Index (100=avg)
$1.1K
Avg Rent/Month
Growing
Tech Hub
Tier 2
Market Size

Commuting as a Process Engineer in St. Louis

St. Louis Limited public transit options; car recommended for most commutes. The average commute time is 25 minutes. Research employer-specific shuttle services. Consider living close to your workplace. Since transit options are limited, consider living close to your workplace or negotiating flexible hours to avoid peak traffic.

Best neighborhoods for Process Engineers in St. Louis: Downtown (Central business district with tech companies); Tech Park/Campus (Suburban office park developments). Downtown is particularly popular among Process Engineer professionals due to proximity to major employers and urban amenities.

Tax Considerations in Missouri

Missouri has moderate state income taxes. When evaluating offers, consider total compensation including benefits, not just base salary. Local cost of living typically has more impact on your finances than state tax differences.

Career Outlook for Process Engineers

The job outlook for Process Engineers in St. Louis is stable. While not experiencing rapid growth, the field maintains steady demand with consistent opportunities for qualified professionals. St. Louis's growing economy creates new positions regularly, often with less competition than coastal tech hubs. In-demand skills include Process Design, Optimization, Data Analysis, Quality Control.

Relocating to St. Louis

St. Louis's affordable cost of living means your Process Engineer salary will stretch further than in major coastal cities. Many professionals relocate here for better quality of life.

Frequently Asked Questions

What is the average Process Engineer salary in St. Louis, MO?

The average Process Engineer salary in St. Louis, MO is $81,000 per year. Entry-level Process Engineers typically start around $53,550, while experienced professionals can earn $113,850 or more. The national average for Process Engineer roles is $90,000.

How many Process Engineer jobs are available in St. Louis?

St. Louis has a strong job market with regular openings for Process Engineer professionals. Major employers hiring Process Engineers include City of St. Louis, Metro Transit, Ameren, Washington University. The Healthcare and Finance sectors drive much of the demand in this market.

Is St. Louis a good city for Process Engineers?

St. Louis is an very good choice for Process Engineers. As a major metro area, it offers abundant opportunities and competitive salaries. The affordable cost of living means salaries go further than in more expensive markets. The city's healthcare industry creates strong demand for engineering professionals.

What skills are most in-demand for Process Engineers in St. Louis?

Top skills for Process Engineers in St. Louis include Process Design, Optimization, Data Analysis, Quality Control, Documentation. Employers value both technical expertise and soft skills like communication and teamwork.

What is the cost of living for Process Engineers in St. Louis?

St. Louis's cost of living is near the national average (90% of baseline). Average rent for a 1-bedroom apartment is approximately $1,100/month. Purchasing power in St. Louis is comparable to the national average, with salaries appropriately scaled to local costs.

How is the commute for Process Engineers in St. Louis?

St. Louis Limited public transit options; car recommended for most commutes. The average commute is 25 minutes. Research employer-specific shuttle services.

More Engineering Jobs in St. Louis