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Senior Linux System Engineer Jobs in Missouri (NOW HIRING)

The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and ... Standardize system configuration, patching, and deployment processes through infrastructure-as-code ...

$55 - $67.50/hr

Support system hardening, patching, and configuration management in compliance with STIGs for Linux ... Collaborate with system engineers, administrators, and DevSecOps teams to integrate security ...

$100.30K - $137.20K/yr

Broad system administration experience on Windows and/or Linux * Working knowledge of at least one scripting or programming language (such as Python, PowerShell, Javascript, C#) * Familiarity with ...

System Engineer (Senior) 112-131

Saint Louis, MO · On-site

$101.60K - $139K/yr

System Engineer (Senior) provides system engineering, systems integration, project management, process and schedule documentation support. The N2W Deployment Systems Engineer will support the ...

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Senior Linux System Engineer information

What are the key skills and qualifications needed to thrive as a Senior Linux System Engineer, and why are they important?

To thrive as a Senior Linux System Engineer, you need deep expertise in Linux operating systems, scripting (such as Bash, Python, or Perl), system architecture, and a relevant degree or equivalent experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, cloud services, and certifications such as RHCE or LPIC are highly valued. Strong problem-solving, collaboration, and communication skills help you efficiently manage complex environments and mentor junior staff. These capabilities are crucial for ensuring system stability, security, and scalability in mission-critical IT infrastructures.

What are some common challenges a Senior Linux System Engineer faces when managing large-scale server environments?

Senior Linux System Engineers often encounter challenges related to maintaining system uptime, managing complex configurations, and ensuring security across a large number of servers. Troubleshooting issues in distributed environments, automating repetitive tasks, and keeping systems up-to-date with the latest patches are also frequent responsibilities. Collaboration with development, security, and networking teams is essential to resolve cross-functional issues and implement new solutions efficiently. Staying current with evolving technologies and best practices is key to overcoming these challenges and excelling in the role.

What does a Senior Linux System Engineer do?

A Senior Linux System Engineer is responsible for designing, implementing, maintaining, and troubleshooting Linux-based systems and servers within an organization. They ensure the reliability, security, and optimal performance of these systems, often leading projects and mentoring junior engineers. Their tasks may include automation, scripting, system updates, monitoring, and responding to incidents. They also collaborate with other IT teams to support business needs and implement best practices for system administration.

What is the difference between Senior Linux System Engineer vs Linux System Administrator?

AspectSenior Linux System EngineerLinux System Administrator
CertificationsLinux Professional Institute Certification (LPIC), RHCELPIC, RHCE often preferred
Work EnvironmentDesigning, implementing, and optimizing Linux infrastructureMaintaining and supporting existing Linux systems
ResponsibilitiesAdvanced troubleshooting, system architecture, scriptingSystem setup, user management, routine maintenance

The Senior Linux System Engineer typically focuses on designing and optimizing Linux environments, requiring advanced skills and certifications. In contrast, the Linux System Administrator handles daily maintenance and support tasks. Both roles often require similar certifications and work in similar environments, but their responsibilities differ in scope and complexity.

What are the most commonly searched types of Linux System Engineer jobs in Missouri? The most popular types of Linux System Engineer jobs in Missouri are:
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Sr. Linux Platform Engineer

Other

Posted 2 days ago


Job description

***We are unable to sponsor as this is a permanent full time role***

***4 Days Onsite***

A prestigious company is looking for a Senior Linux Platform Engineer. This role is focused on Linux infrastructure, performance, reliability, etc. Also needed for this role is experience with Python, Bash, Ansible, SaltStack, Kernel Tuning, Kubernetes, etc.

Responsibilities:

  • Managing and improving our Linux-based infrastructure with a focus on performance, reliability, and scalability.
  • Designing, deploying, and maintaining on-premises Kubernetes clusters and containerized workloads.
  • Developing and maintaining system-level software, middleware, and APIs to support internal platforms and services.
  • Automating system workflows and infrastructure tasks using Python, Bash, and configuration management tools like SaltStack.
  • Building and maintaining RPM packages and internal software repositories.
  • Collaborating with Application Support (SRE), Development, and Security teams to ensure secure, automated CI/CD and platform integration.
  • Diagnosing and resolving complex system-level issues involving the OS, network, or container runtime.
  • Implementing hardened security configurations, including system hardening, secure communications, and identity/access integration.
  • Participating in an on-call rotation to support critical infrastructure services.
  • Documenting architectures, tools, and operational processes to support long-term maintainability.

Qualifications:

  • 5+ years of experience in Linux systems administration and infrastructure/platform engineering.
  • Production experience managing Kubernetes, preferably in bare-metal or on-premises environments (e.g., with kubeadm, RKE, or OpenShift).
  • Strong scripting and automation skills in Python and Bash.
  • In-depth knowledge of Linux internals, kernel tuning, and performance diagnostics.
  • Hands-on experience with SaltStack (preferred), Puppet, or Ansible for configuration management.
  • Familiarity with observability tools such as Prometheus, Grafana, or Loki.
  • Solid understanding of core infrastructure protocols and services (TCP/IP, DNS, NTP/PTP, DHCP, etc.). Experience managing CI/CD pipelines with tools such as Jenkins, GitLab, or similar.