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Senior Linux System Engineer Jobs in Waterloo, IL

aqua IT

Systems Engineer (Linux)

Saint Louis, MO

We have an opening for an experienced Senior System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved ...

GDIT

Linux Systems Engineer

Saint Louis, MO

$159K - $216K/yr

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 ...

IC-CAP LLC

System Engineer (Senior) 112-131

Saint Louis, MO · On-site

$101K - $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 ...

Esri

System Engineer- ArcGIS

Saint Louis, MO · On-site

$120K - $197K/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 ...

Esri

Sr. System Engineer- ArcGIS

Saint Louis, MO · On-site

$156K - $239K/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 ...

D2 Technical Services

Senior Systems Engineer

Arnold, MO · On-site

$130 - $140K/hr

Support integration and testing of hardware/software system components across a complex, multi-site ... Red Hat Enterprise Linux, YUM, Satellite, and Capsule technologies * Enterprise storage systems:

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All JobsLinux System Engineer JobsSenior Linux System Engineer JobsSenior Linux System Engineer Jobs in Waterloo, IL

Senior Linux System Engineer information

See Waterloo, IL salary details

$93.1K

$118.5K

$146.8K

How much do senior linux system engineer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for senior linux system engineer in Waterloo, IL is $118,486.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,300.00 and $127,800.00 per year, depending on experience, location, and employer.

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 cities near Waterloo, IL are hiring for Senior Linux System Engineer jobs? Cities near Waterloo, IL with the most Senior Linux System Engineer job openings:
Senior Linux System Engineer jobs near you

Systems Engineer (Linux)

aqua IT

Saint Louis, MO

Full-time

Re-posted 16 days ago

Job description

Overview: We have an opening for an experienced Senior System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved in operation and sustainment of a mission-critical geospatial solution supporting DoW end users. A successful candidate will have experience with installation, configuration, administration, support and maintenance of mission critical cloud and on-premise systems.

Responsibilities: Primary responsibilities will involve taking a leadership role in system changes and improvements; working directly with government and contractor POCs to troubleshoot issues; proactively recommend configuration changes to help improve system performance; regularly work with government and contractor POCs to keep systems security compliant; and author and update operational and security documentation, including troubleshooting guides and SOPs.

Qualifications:

  • Requires BS degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience; OR additional years of experience in lieu of degree
  • Must currently possess an active TS/SCI Clearance with ability to obtain & maintain a Polygraph post hire
  • Must meet DOD 8570 Certification (Security+ or equivalent or higher)
  • Must have Linux administration experience provisioning end users
  • Experience managing and configuring RHEL environments
  • Experience building, optimizing, and maintaining multi-node environments that run parallel workloads
  • Experience with Linux clusters, specifically Slurm and MPI, to support High-Performance Computing (HPC) systems
  • Strong understanding of NGA Networking
  • Proficient reviewing STIG/IAVA scans and remediating vulnerabilities
  • Experience performing Virtual Machine backups/snapshots
  • Experience working with Security to support ISCP exercises
  • Experience scripting for administration, configuration, troubleshooting, and automation
  • Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices

Preferred Qualifications:

  • Red Hat Certification(s)
  • Linux Certification(s)
  • Agile Certification(s)
  • Team Collaboration tools and administration (Jira, Confluence)