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Senior Linux Architect Jobs in Missouri (NOW HIRING)

Neara

Senior DevOps Engineer

Saint Louis, MO · On-site

$110 - $130/hr

Own GitHub Actions CI/CD pipeline architecture -- reliability, build times, and developer ... Strong Linux systems administration and shell scripting experience. A startup or small-company ...

Jobtailor

Senior Software Tools Developer

Dearborn, MO · On-site

$140 - $170/hr

Serve as a senior technical partner to fellow developers and the automation architect, contributing ... Strong knowledge of operating system architecture (Linux, QNX, Android, POSIX and Windows)

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 ... Linux & Shell Scripting • Oracle, PL/SQL, Advanced SQL • Software Design & Architecture • ...

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 ... Linux & Shell Scripting Oracle, PL/SQL, Advanced SQL Software Design & Architecture Secure Coding ...

Mastercard, Inc.

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 ... Linux & Shell Scripting • Oracle, PL/SQL, Advanced SQL • Software Design & Architecture • ...

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 ... Linux & Shell Scripting • Oracle, PL/SQL, Advanced SQL • Software Design & Architecture • ...

MetroStar

$147K - $170K/yr

Build, configure, and maintain Kubernetes, Rancher, Helm, Docker, VMware, and Linux environments ... Maintain architecture diagrams, runbooks, SOPs, troubleshooting guides, and recovery documentation.

GDIT

Senior DevOps Engineer

Saint Louis, MO · On-site

$126K - $162K/yr

Experience developing strategic system architecture plans. * Experience in system and network ... Proficiency with Linux operating systems * Working experience with CI/CD pipelines (Gitlab, Jenkins ...

JNIT INC

IT EDI Developer - Senior

Saint Louis, MO · On-site

Architect, design, development, test, and implementation of applications. Architect, design and ... Advanced UNIX/Linux skills. Advanced knowledge of client integration (B2B) concepts and Electronic ...

JNIT INC

IT EDI Developer - Senior

Saint Louis, MO · On-site

... and system architecture specifications. • Utilize development practices that adhere to the ... QUALIFICATIONS • Advanced WTX/Mercator programming skills. • Advanced UNIX/Linux skills. • ...

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All JobsLinux Architect JobsSenior Linux Architect JobsSenior Linux Architect Jobs in Missouri

Senior Linux Architect information

See Missouri salary details

$69.4K

$116.3K

$179.6K

How much do senior linux architect jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior linux architect in Missouri is $116,251.00, according to ZipRecruiter salary data. Most workers in this role earn between $93,300.00 and $132,700.00 per year, depending on experience, location, and employer.

What does a senior Linux architect do?

A Senior Linux Architect is responsible for designing, implementing, and maintaining complex Linux-based systems and infrastructure. They ensure that Linux environments are stable, secure, and scalable to meet organizational needs. Their duties often include evaluating new technologies, leading system migrations, setting standards for system configuration, and mentoring junior staff. They also collaborate with other IT teams to integrate Linux systems with other components and troubleshoot advanced issues.

What are the key skills and qualifications needed to thrive as a senior Linux architect?

To thrive as a Senior Linux Architect, you need deep expertise in Linux system administration, architecture design, scripting languages, and a relevant degree or equivalent experience. Familiarity with tools like Ansible, Puppet, Docker, Kubernetes, and certifications such as RHCE or LFCS are typically required. Strong problem-solving, leadership, and effective communication skills help in collaborating with teams and guiding technical decisions. These abilities are crucial to ensure secure, scalable, and efficient Linux environments that support organizational goals.

What are some common challenges faced by a senior Linux architect, and how can they be addressed?

Senior Linux Architects often encounter challenges related to designing scalable, secure, and highly available systems while balancing business requirements and technical constraints. Integrating various open-source and proprietary solutions, managing large-scale migrations, and ensuring seamless collaboration across development, operations, and security teams are frequent hurdles. To address these, strong communication skills, deep technical expertise, and continuous learning are essential. Staying updated on industry best practices and fostering a culture of documentation and knowledge sharing within the team can also help mitigate these challenges.

What is the difference between Senior Linux Architect vs Linux Systems Engineer?

AspectSenior Linux ArchitectLinux Systems Engineer
CertificationsLinux Professional Institute Certification (LPIC), RHCE, CompTIA Linux+LPIC, RHCE, CompTIA Linux+
Work EnvironmentDesigning Linux infrastructure, architecture planning, high-level system designImplementing, configuring, maintaining Linux systems, troubleshooting
ResponsibilitiesArchitecting scalable Linux solutions, guiding teams, strategic planningDeploying and managing Linux servers, system updates, performance tuning
Industry UsageIT, cloud providers, enterprise data centersIT departments, managed service providers, enterprise environments

The main difference is that a Senior Linux Architect focuses on designing and planning Linux infrastructure at a high level, while a Linux Systems Engineer handles the implementation, configuration, and maintenance of Linux systems. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ in scope and focus.

What are popular job titles related to Senior Linux Architect jobs in Missouri?

For Senior Linux Architect jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Senior Linux Architect jobs in Missouri look for?

The top searched job categories for Senior Linux Architect jobs in Missouri are:

What cities in Missouri are hiring for Senior Linux Architect jobs?

Cities in Missouri with the most Senior Linux Architect job openings:

Senior Linux Architect jobs near you

TS/SCI - Senior DevOps Engineer with Security Clearance

Bailey Information Technology, LLC

Saint Louis, MO • On-site

$117K - $151K/yr

Other

Re-posted 27 days ago

Job description

Bailey Information Technology, LLC TS/SCI - Senior DevOps Engineer * St. Louis, MO, VA, MD
* Information Technology Senior DevOps Engineer Location: St. Louis, MO; Chantilly, VA; Alexandria, VA; Gaithersburg, MD Clearance: TS/SCI required Required Certifications: DoD 8570 Compliant Certification (Security+) Level: T4 Job Description: BIT, LLC is recruiting for a Senior DevOps Engineer with strong Continuous Integration / Continuous Delivery (CI/CD) experience to assist with the development, integration, deployment, and sustainment of mission critical systems. Responsibilities: * The primary duties will be to support the deployment of microservices via a DevSecOps pipeline within a Linux-based multi-tenant environment.  * Extensive experience designing, implementing, and securing virtual networks within AWS * Experience implementing VPC network connectivity * Experience diagnosing and resolving VPC connectivity issues * Develop, update, and maintain GitLab CI/CD pipeline code * Configure, troubleshoot, and deploy docker containers * Review code within Git and extract/create engineering documentation as needed * Support Developer deployments * Provide technical guidance for all capabilities/microservices * Support Developer testing in the environment * Create and Maintain DevOps documentation * Conduct Security remediation as needed from scans * Other tasks as assigned Core Qualifications: * Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills. * Understanding of custom code development/reviews * Experience with GITLAB functionality, error codes and scripting * Experience using AWS services/technologies (e.g. CloudFormation, S3, ECS, EKS) * Experience with AWS Serverless architectures (lambda, API gateway, load balancing, autoscaling) * Experience supporting development testing * Experience with cloud-based architectures * Understanding of DevSecOps methodologies and workflow * Experience developing and managing CI/CD pipelines * Knowledge of SW Development and SW Sustainment Practices * Team Collaboration tools (Jira, Confluence) * Must possess an active Top Secret Security Clearance with ability to obtain SCI post hire * Must be a U.S. Citizen * Typically requires a BS in Information Systems, Information Technology, Computer Science or closely related discipline and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience. * Active TS/SCI Preferred Qualifications: * Experience with GitLab CI/CD * Experience with AWS Lambda and AWS ECS * Experience with troubleshooting, configuring, and deploying docker containers * AWS certification (e.g. DevOps Engineer, Solutions Architect) * Linux certifications * Experience with ArcGIS or geospatial technologies

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