Overview
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

How Ameren hires

Truth index
B 80/100
Median time to fill
11 days
Ghost roles
0%
Stale roles
100%
Reposted roles
0%

Ameren scores B on the Alion truth index (A is best, E worst), measured over 19 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% have gone stale and 0% are the same role posted again. Its roles close in a median of 11 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Visa sponsorship

  • United States · H-1B filings in 12 months: 7

Visa details by country

Overview

Ameren is a US energy company headquartered in Saint Louis, Missouri, that generates electricity and delivers electric and natural gas service to customers in Missouri and Illinois. Listed on the New York Stock Exchange, it operates through Ameren Missouri, Ameren Illinois and a transmission business, serving about 2.5 million electric and over 900,000 natural gas customers, and it runs the Callaway nuclear plant in central Missouri. It hires electrical and mechanical engineers, system protection and distribution operating staff, gas apprentices and journeymen, safety supervisors, regulatory and rate analysts, strategists and paralegals.

Tech stack

Technologies named in job postings at Ameren over the last 12 months, by layer, with the share of postings for each.
Technologies in use
31
Postings analysed
12
Stack modernity
66/100
Languages
SQL33%
Python17%
Apex17%
PHP17%
Frameworks & libraries
Angular8%
Supervision8%
Databases
Oracle33%
Cassandra17%
Cloud & platforms
Power BI42%
Splunk33%
Dynatrace25%
SIEM25%
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Full Ameren tech stack 31 technologies · by team · pay by technology · changes · similar stacks

Salary insights

Compensation ranges based on this company's open jobs
Median
$163k
Typical range
$72k – $204k
Open positions
43
32 Jobs
Junior 6.3%
Middle 21.9%
Senior 59.4%
Staff 12.5%
Level Jobs Median Typical range
Junior 2 $99k $82k – $116k
Middle 7 $137k $72k – $163k
Senior 19 $163k $92k – $204k
Staff 4 $204k $176k – $204k
Highest paying role ADMS Engineer (ADMS, Senior, Lead) $204k
Normalized to USD per year
All salaries at Ameren By role, level and city, against the market · 43 jobs with pay

Growth

Hiring Momentum
59/100
Growing
Open positions
83
28 opened / 12 closed in 30 days
Median time-to-fill
11 days
faster than 67% of the market
ATS activity
Every ~18 hours
10/18/2026
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Industrial Engineering
40% ▲
Field & Service
13% ▼
Early Careers
13% ▼
Operations
10%
Legal
6% ▲
Hardware
5% ▲
Actively hiring for Industrial Engineering (+20 in 30 days)
Activity Timeline
New location: Mattoon Oct 2026
Added AutoCAD to stack Oct 2026
Added SAS to stack Oct 2026

Offices

Where the company hires and what each office is for
Cities
22
Hiring now
22
Countries
2
Busiest office
Saint Louis
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
Saint Louis United States
HQ
261 Ameren MO Dev & Resrc Ctr
39 open roles 41 posted in 90 days 8% engineering 1000-5000 est. staff $155k Avg Salary
hires for Industrial Engineering, Legal, Operations
seen since May 2026 job postings
Callaway United States
Plant / site
059 Callaway Energy Center
10 open roles 4 posted in 90 days 20% engineering 200-500 est. staff $168k Avg Salary
hires for Industrial Engineering, Education, Field & Service
seen since Jan 2026 job postings
Champaign United States
Plant / site
216 Champaign-Urbana
4 open roles 5 posted in 90 days 50-200 est. staff $152k Avg Salary
hires for Industrial Engineering, Early Careers
seen since Aug 2026 job postings
Maryland Heights United States
Plant / site
018 Dorsett Dist & Ware
4 open roles 4 posted in 90 days 25% engineering 50-200 est. staff $109k Avg Salary
hires for Operations, QA, Industrial Engineering
seen since Aug 2026 job postings
Decatur United States
Plant / site
208 Distribution Control Dec
3 open roles 2 posted in 90 days 33% engineering 50-200 est. staff $135k Avg Salary
hires for Industrial Engineering, Hardware
seen since May 2026 job postings
Collinsville United States
Plant / site
295 Collinsville Corp Office
3 open roles 3 posted in 90 days 50-200 est. staff $172k Avg Salary
hires for Industrial Engineering, Field & Service
seen since Aug 2026 job postings
Peoria United States
190 Pioneer Park
2 open roles 4 posted in 90 days 50-200 est. staff $176k Avg Salary
hires for Field & Service, Early Careers
seen since Aug 2026 job postings
Peoria United States
303 Peoria Gas Operating Cente
2 open roles 2 posted in 90 days 50-200 est. staff $137k Avg Salary
hires for Field & Service, Industrial Engineering
seen since Sep 2026 job postings
Hillsboro United States
222 Hillsboro
2 open roles 2 posted in 90 days 50-200 est. staff
hires for Early Careers
seen since Oct 2026 job postings
Maryville United States
226 Maryville
2 open roles 50-200 est. staff
hires for Field & Service, Early Careers
seen since Mar 2026 job postings
Belleville United States
213 Belleville
2 open roles 10-50 est. staff
hires for Field & Service, Early Careers
seen since Sep 2025 job postings
Potosí Bolivia
072 Potosi (Mineral_Point)
1 open roles 1 posted in 90 days 10-50 est. staff $72k Avg Salary
hires for Operations
seen since Oct 2026 job postings
Galesburg United States
220 Galesburg
1 open roles 10-50 est. staff
hires for Field & Service
seen since May 2026 job postings
East St. Louis United States
031 East St Louis
1 open roles 10-50 est. staff
hires for Early Careers
seen since Feb 2026 job postings
Marion United States
119 Marion Office
1 open roles 1 posted in 90 days 10-50 est. staff $172k Avg Salary
hires for Industrial Engineering
seen since Sep 2026 job postings
Glen Carbon United States
399 Glen Carbon TOCC
1 open roles 1 posted in 90 days 10-50 est. staff $172k Avg Salary
hires for Industrial Engineering
seen since Sep 2026 job postings
Excelsior Springs United States
016 Excelsior_Springs
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Field & Service
seen since Sep 2026 job postings
Robinson United States
129 Robinson Office
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Early Careers
seen since Sep 2026 job postings
Mattoon United States
009 Mattoon Operating Center
1 open roles 1 posted in 90 days 10-50 est. staff $137k Avg Salary
hires for Industrial Engineering
seen since Oct 2026 job postings
Jerseyville United States
117 Jerseyville Office
1 open roles 1 posted in 90 days 10-50 est. staff
hires for Early Careers
seen since Oct 2026 job postings
Sparta United States
228 Sparta
1 open roles 10-50 est. staff
hires for Early Careers
seen since May 2026 job postings
Alton United States
056 Sioux Energy Center
1 open roles 10-50 est. staff
hires for Field & Service
seen since Jun 2026 job postings
Earlier presence
Columbia, United States 2 open roles · last posting Sep 2026

Jobs

$72k – $108k per year • In office • Full-Time • Bachelor's Degree • Decatur
Apply
$92k – $104k per year • In office • Full-Time • Associate's Degree • Maryland Heights
Apply
$71k – $172k per year • In office • Full-Time • 7+ years exp • Bachelor's Degree • Saint Louis
Python
SQL
SAS
Microsoft Office
Apply
$71k – $172k per year • In office • Full-Time • Bachelor's Degree • Callaway
Apply
$84k – $204k per year • Hybrid • Full-Time • 7+ years exp • Bachelor's Degree • Saint Louis
SQL
Apex
MuleSoft
Databases
Oracle
DevOps
Splunk
Rancher
Dynatrace
Kubernetes
Windows
Cybersecurity
SIEM
Apply
In office • Internship • Bachelor's Degree • Saint Louis
SQL
Apex
MuleSoft
Databases
Oracle
Cassandra
DevOps
Splunk
Dynatrace
Windows
Cybersecurity
SIEM
Analytics
Power BI
Apply