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Senior Platform Engineer Jobs in Missouri (NOW HIRING)

Jobgether

As a Senior Platform Engineer - Cloud & Developer Experience, you will play a pivotal role in designing and evolving the cloud platform that enables engineering and research teams to innovate ...

O'Reilly Auto Parts

Sr Platform Engineer (GCP)

Springfield, MO · On-site

$102K - $138K/yr

The Senior Platform Engineer will create and redesign broad technical infrastructure and information systems that define how servers, networks, and storage systems work together to support the needs ...

O'Reilly Auto Parts

Sr Platform Engineer (GCP)

Springfield, MO · On-site

$102K - $138K/yr

The Senior Platform Engineer will create and redesign broad technical infrastructure and information systems that define how servers, networks, and storage systems work together to support the needs ...

Clayco

Platform Engineer

Saint Louis, MO · On-site

The Role We Want You For Platform Engineering exists for one reason: to make every engineering team ... Senior leadership is all-in on AI, and we want someone genuinely excited to apply AI tooling and ...

Clayco

Platform Engineer

Saint Louis, MO · On-site

The Role We Want You For Platform Engineering exists for one reason: to make every engineering team ... Senior leadership is all-in on AI, and we want someone genuinely excited to apply AI tooling and ...

Clayco

Platform Engineer

Saint Louis, MO · On-site

The Role We Want You For Platform Engineering exists for one reason: to make every engineering team ... Senior leadership is all-in on AI, and we want someone genuinely excited to apply AI tooling and ...

Clayco

Platform Engineer

Saint Louis, MO · On-site

The Role We Want You For Platform Engineering exists for one reason: to make every engineering team ... Senior leadership is all-in on AI, and we want someone genuinely excited to apply AI tooling and ...

Clayco

Platform Engineer

Saint Louis, MO · On-site

The Role We Want You For Platform Engineering exists for one reason: to make every engineering team ... Senior leadership is all-in on AI, and we want someone genuinely excited to apply AI tooling and ...

MasterCard

Senior Platform Architect

O Fallon, MO

Overview The Infrastructure Engineering team is looking for a Senior Platform Architect to lead the design and evolution of secure, scalable, and resilient enterprise infrastructure platforms that ...

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Senior Platform Engineer information

See Missouri salary details

$55.8K

$118.7K

$172.1K

How much do senior platform engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior platform engineer in Missouri is $118,711.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $134,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior platform engineer?

To thrive as a Senior Platform Engineer, you need deep expertise in systems architecture, cloud technologies (such as AWS, Azure, or GCP), infrastructure automation, and strong programming skills, typically backed by a degree in computer science or a related field. Familiarity with tools like Docker, Kubernetes, Terraform, and CI/CD pipelines, as well as certifications like AWS Certified Solutions Architect, are highly valuable. Strong problem-solving abilities, effective communication, and the ability to mentor junior engineers help individuals excel in this role. These skills ensure platforms are scalable, secure, and maintainable, and support high-performance engineering teams.

What does a senior platform engineer do?

A typical day for a Senior Platform Engineer involves designing and implementing platform solutions, optimizing infrastructure for scalability and reliability, and troubleshooting complex technical issues across multiple systems. You’ll work closely with software development, DevOps, and security teams to ensure smooth deployment and operation of applications. Additionally, you may participate in code reviews, develop automation scripts, and mentor junior engineers. Most senior platform engineers balance hands-on coding with architectural planning and team collaboration.

What is a senior platform engineer?

A Senior Platform Engineer is responsible for designing, building, and maintaining scalable infrastructure and developer platforms. They optimize system reliability, automate deployments, and ensure efficient cloud or on-prem environments. This role requires deep expertise in infrastructure-as-code, CI/CD pipelines, cloud services, and system monitoring. They collaborate with development teams to enhance performance, security, and scalability.

What are popular job titles related to Senior Platform Engineer jobs in Missouri? For Senior Platform Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Platform Engineer jobs in Missouri look for? The top searched job categories for Senior Platform Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Platform Engineer jobs? Cities in Missouri with the most Senior Platform Engineer job openings:
Senior Platform Engineer jobs near you
Infographic showing various Senior Platform Engineer job openings in Missouri as of August 2026, with employment types broken down into 50% Full Time, 47% Part Time, and 3% Contract. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution, with an average salary of $118,711 per year, or $57.1 per hour.

Senior Platform Engineer

Catapult Solutions Group

Saint Louis, MO • On-site

$75/hr

Other

Posted 19 days ago

Job description

Senior Platform Engineer

Location: Remote (U.S.)

Role Type: Contract (6 Months)

About Our Client

Our client is a global technology solutions provider that helps enterprise organizations modernize their IT infrastructure, accelerate digital transformation, and deliver innovative software solutions. They partner with leading organizations across multiple industries to design, implement, and manage complex technology platforms, with a strong focus on cloud, automation, cybersecurity, and infrastructure modernization. Their collaborative culture and commitment to innovation make them a trusted technology partner for Fortune 500 companies.

Job Description

We are seeking an experienced Senior Platform Engineer to join a high-impact engineering team responsible for building and maintaining modern cloud infrastructure and developer platforms. In this role, you will design scalable AWS environments, implement Infrastructure as Code (IaC), and develop CI/CD pipelines that enable efficient and reliable software delivery.

You will work closely with software engineering teams to standardize platform engineering practices, establish GitOps workflows, and contribute to the development of a centralized software factory model. This is an excellent opportunity for someone passionate about cloud technologies, automation, Kubernetes, and DevOps best practices who enjoys solving complex infrastructure challenges.

Duties and Responsibilities
  • Design, build, and maintain scalable cloud infrastructure on AWS.
  • Develop and maintain CI/CD pipelines supporting software delivery.
  • Implement and manage Kubernetes container orchestration platforms.
  • Build and maintain Infrastructure as Code using Terraform, CloudFormation, or similar tools.
  • Establish and maintain GitOps workflows for deployment and configuration management.
  • Collaborate with software engineering teams to standardize platform engineering practices.
  • Support the development of a centralized software factory model.
  • Troubleshoot infrastructure issues and continuously improve platform reliability, scalability, and security.
  • Implement DevOps best practices to improve automation and operational efficiency.
Required Experience/Skills
  • 5+ years of experience in Platform Engineering, Infrastructure Engineering, or DevOps Engineering.
  • Strong hands-on experience with AWS production environments across multiple AWS services.
  • Proven experience designing and maintaining CI/CD pipelines.
  • Strong experience with Kubernetes in production environments.
  • Expertise with Infrastructure as Code (Terraform, CloudFormation, or similar).
  • Experience implementing GitOps methodologies and tools.
  • Strong understanding of cloud infrastructure, automation, and platform engineering best practices.
  • Excellent troubleshooting and problem-solving skills.
  • Strong collaboration and communication skills.

Work Authorization Accepted:

  • U.S. Citizen, Green Card, Green Card EAD, TN, H-1B, E-3, H4-EAD, L2-EAD, OPT-EAD, CPT-EAD, TPS-EAD, STEM-EAD
Nice-to-Haves
  • Experience building internal developer platforms or software factory models.
  • Experience working in enterprise-scale cloud environments.
  • Familiarity with cloud security best practices.
  • Experience supporting highly available, mission-critical applications.
  • Experience with monitoring and observability tools.
Education
  • Bachelor''s degree in Computer Science, Information Technology, Engineering, or a related field (or equivalent professional experience).
Pay & Benefits Summary
  • Pay Rate: Up to $75/hour (depending on experience)
  • 100% Remote opportunity within the U.S.
  • 6-month contract 
  • Opportunity to work on enterprise-scale cloud infrastructure initiatives.
  • This is a contract position with our company supporting a third-party client.
 

Ready to build scalable cloud platforms and modern DevOps solutions? Apply today! We''re looking to onboard qualified candidates as soon as possible.

Keywords: AWS | Platform Engineer | DevOps | Kubernetes | Terraform | CloudFormation | Infrastructure as Code | GitOps | CI/CD | Cloud Engineer

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