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Sr Python Engineer Jobs in Saint Louis, MO (NOW HIRING)

GCyber

Senior Network Engineer

Scott Air Force Base, IL · On-site

$100K - $137K/yr

The Senior Network Engineer is responsible for managing and maintaining network availability ... Python against network APIs, GitLab CI, and EVE-NG or a similar lab emulation tool. * Experience ...

GCyber

Senior Network Engineer

Scott Air Force Base, IL · On-site

$100K - $137K/yr

The Senior Network Engineer is responsible for managing and maintaining network availability ... Python against network APIs, GitLab CI, and EVE‑NG or a similar lab emulation tool. * Experience ...

Worky

Senior Software Developer

O Fallon, IL · On-site

$110K - $120K/yr

The DevSecOps Engineer is also responsible for driving solutions that meet the customers' technical ... Maven/Ant, Python * Experience with DevSecOps pipeline * Secret Clearance * Security ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... All About You Proficiency and hands-on experience building agentic frameworks in Python/TypeScript.

Intellectix

Senior Storage Engineer

Arnold, MO · On-site

Senior Storage Engineer Location: Arnold, MO (On Customer Site) Clearance: TS/SCI Citizenship: US ... PowerShell/Python scripting experience. * Experience leveraging scripts to audit and enforce ...

Boeing

Senior DevSecOps Engineer

Berkeley, MO · On-site

$107K - $147K/yr

Senior DevSecOps Engineer Company: The Boeing Company The Boeing Company is currently seeking a ... or Python * Experience with cloud platforms * Experience with Agile software development and ...

Boeing

Senior DevSecOps Engineer

Berkeley, MO · On-site

$107K - $147K/yr

Senior DevSecOps Engineer Company: The Boeing Company The Boeing Company is currently seeking a ... or Python * Experience with cloud platforms * Experience with Agile software development and ...

Boeing

Senior DevSecOps Engineer

Berkeley, MO · On-site

$107K - $147K/yr

Senior DevSecOps Engineer Company: The Boeing Company The Boeing Company is currently seeking a ... or Python * Experience with cloud platforms * Experience with Agile software development and ...

Husch Blackwell Llp

Senior Software Engineer

Saint Louis, MO · On-site +1

$114K - $151K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application ... Proficiency in one or more back-end languages (e.g., Python, Javascript, TypeScript) and ...

Husch Blackwell LLP

Senior Software Engineer

Saint Louis, MO · On-site +1

$114K - $151K/yr

The Senior Software Engineer designs, builds, and maintains the technical systems and application ... Proficiency in one or more back-end languages (e.g., Python, Javascript, TypeScript) and ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an ... Have you created scripts to automate manual tasks (i.e. shell script, TCL, Perl, Python)? Do you ...

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Showing results 41-60

All JobsSr Python Engineer JobsSr Python Engineer Jobs in Saint Louis, MO

Sr Python Engineer information

See Saint Louis, MO salary details

$22.4K

$136.1K

$196.9K

How much do sr python engineer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for sr python engineer in Saint Louis, MO is $136,084.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,400.00 and $159,900.00 per year, depending on experience, location, and employer.

What does a Sr Python Engineer do?

A Sr Python Engineer is an experienced software developer who specializes in designing, developing, and maintaining applications using the Python programming language. They often lead projects, mentor junior engineers, and work on complex problems that require deep technical expertise. Their responsibilities may include writing efficient code, optimizing performance, integrating with APIs or databases, and ensuring the overall quality of software solutions. Additionally, they may collaborate with cross-functional teams to deliver robust and scalable applications.

What are the key skills and qualifications needed to thrive as a Sr Python Engineer?

To thrive as a Sr Python Engineer, you need advanced proficiency in Python programming, strong knowledge of software design patterns, and experience with scalable application development, often supported by a degree in computer science or related field. Familiarity with frameworks like Django or Flask, version control systems such as Git, and cloud platforms like AWS or Azure is typically required, with certifications in cloud or Python development considered a plus. Excellent problem-solving abilities, strong communication, and leadership skills help you collaborate effectively and mentor junior engineers. These competencies are critical for delivering robust, efficient solutions and driving technical excellence within development teams.

What are some common challenges Sr Python Engineers face when working on large-scale applications?

Sr Python Engineers often encounter challenges related to maintaining code quality and scalability as applications grow. Managing dependencies, ensuring optimal performance, and coordinating with cross-functional teams can be complex, especially in distributed systems. Additionally, integrating new technologies or frameworks while maintaining backward compatibility requires careful planning and communication. Proactive code reviews, clear documentation, and collaborative problem-solving are essential to overcoming these challenges.

What is the difference between Sr Python Engineer vs Python Developer?

AspectSr Python EngineerPython Developer
Required CredentialsBachelor's degree in CS or related field, experience in Python, often some leadership skillsBachelor's degree in CS or related field, strong Python skills, often less emphasis on leadership
Work EnvironmentTeam lead, project architect, involved in system design and optimizationCode writing, feature development, bug fixing
Employer & Industry UsageTech companies, startups, enterprise softwareWeb development, data analysis, automation projects

While both roles require strong Python skills, Sr Python Engineers typically have more experience, leadership responsibilities, and involvement in system architecture, whereas Python Developers focus more on coding and feature implementation.

What are popular job titles related to Sr Python Engineer jobs in Saint Louis, MO?

For Sr Python Engineer jobs in Saint Louis, MO, the most frequently searched job titles are:

What job categories do people searching Sr Python Engineer jobs in Saint Louis, MO look for?

The top searched job categories for Sr Python Engineer jobs in Saint Louis, MO are:

What cities near Saint Louis, MO are hiring for Sr Python Engineer jobs?

Cities near Saint Louis, MO with the most Sr Python Engineer job openings:

Sr Python Engineer jobs near you
Infographic showing various Sr Python Engineer job openings in Saint Louis, MO as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $136,084 per year, or $65.4 per hour.

Senior Network Engineer

Scott Air Force Base, IL • On-site

GCyber
IT Services • 11 - 50 employees
Learn more about GCyberexternal

$100K - $137K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 25 days ago

Key responsibilities

  • Provide network analysis and design services, evaluate and recommend new technologies to meet requirements and improve network performance.

  • Test and document hardware, software, and configuration changes in the lab before deployment, and produce installation and configuration guides.

  • Serve as the Tier 3+ escalation point for network issues at operational gateway sites and related platforms.

Job description

GCyber is hiring a Senior Network Engineer to serve as the program's network design authority for a high-profile Air Force network program supporting a critical mission. The Senior Network Engineer is responsible for managing and maintaining network availability, security, and performance across multiple sites and classifications. 
This position is full time onsite at Scott AFB, IL. Given the classified nature of the work and the mission essential designation of this position, there is no opportunity for hybrid or remote work.
 
This position is contingent upon contract award.
As the Senior Network Engineer, you will:
  • Provide network analysis and design services and evaluate and recommend new technologies to meet requirements and improve network performance.
  • Test and document all hardware, software, and configuration changes in the lab before they are made at an operational site, and produce the installation and configuration guides the Government requires before each change.
  • Serve as the Tier 3+ escalation point for network issues at three operational gateway sites and the platforms that connect to them.
  • Engineer and review configurations for routers, switches, firewalls, VLANs, VPNs, CIDR and VLSM schemes, DNS, encryption devices, network management services, and satellite transmissions.
  • Configure fault tolerance and disaster recovery for servers and network devices.
  • Write scripts to configure, monitor, and troubleshoot the network.
Minimum Qualifications and Experience:
  • Active DoD TOP SECRET clearance and enrollment in Continuous Vetting
  • Cisco Certified Network Professional (CCNP)
  • DoD 8140/8570 IAT Level II certification.
  • BA/BS and 8+ years of network engineering experience, including a minimum of 5 years of directly relevant experience. 
  • Expertise in routing, switching, firewall, VPN, VLAN, IPv4/IPv6, and encryption device experience in a production environment.
  • Experience applying DISA STIGs and carrying out USCYBERCOM and DISA tasking orders. 
  • Hands on experience with air-to-ground gateways, airborne communications, SATCOM transport, or TCP acceleration.
Preferred Skills & Experience
  • CCIE or Cisco Certified DevNet Associate.
  • Network automation experience: Python against network APIs, GitLab CI, and EVE-NG or a similar lab emulation tool.
  • Experience supporting aircraft developmental or operational test and evaluation.
  • Experience with SolarWinds and Splunk.

Our Benefits

GCyber is committed to the well-being and development of every employee. Our benefits are designed to support your personal and professional goals, from health and wellness programs to retirement savings and career development opportunities. Highlights include:

  • 26 Days of Paid Leave + Annual PTO Increase
  • An extra day of paid leave for every year of employment with GCyber
  • Paid Parental Leave
  • Additional Leave Allowances for Military Duty, Jury Duty, and Bereavement Leave
  • 401(k) Matching
  • 100% Company-funded Disability Insurance
  • 90% Company-Funded Health, Dental, and Vision Insurance, with contributions to insurance benefits for spouses, children, and family members
  • Training and Professional Development Plans
  • Commuter Benefits Plan
  • Parking and Transportation Allowance

Equal Opportunity Employer

GCyber is an Equal Opportunity Employer. This means you don't have to worry about whether your application process will be fair. We consider all applicants without regard to race, color, religion, age, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, veteran status, or disability.

Stay in Touch

For future job notifications please follow GCyber on LinkedIn. https://linkedin.com/company/gcyber

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