ZipRecruiter

Log In

1

Senior Linux System Engineer Jobs in Waterloo, IL

GDIT

Linux Systems Engineer

Saint Louis, MO

$159.80K - $216.20K/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

$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 ...

Esri

System Engineer- ArcGIS

Saint Louis, MO · On-site

$120.64K - $197.60K/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 - $239.20K/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 ...

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:

D2 Technical Services

Senior Systems Engineer

Arnold, MO

$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:

New

next page

Showing results 1-20

People also search for

All 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 May 29, 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
Linux Systems Engineer

Linux Systems Engineer

GDIT

Saint Louis, MO

$159.80K - $216.20K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 4 days ago

General Dynamics Information Technology rating

7.8

Company rating: 7.8 out of 10

Based on 61 frontline employees who took The Breakroom Quiz

68th of 203 rated it services

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Configuration Management (CM), Red Hat Enterprise Linux (RHEL), Scripting

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day. We think. We act. We deliver. There is no challenge we can't turn into opportunity. Our work depends on TS/SCI level cleared Linux Systems Engineer joining our team to support our Intelligence customer in St. Louis, MO or Springfield, VA.

This position supports the Geospatial Services & Solutions business area to provide high-quality, cost-effective solutions to the customer. As part of the GSS Team the linux systems engineer expertise is needed to support a sophisticated enterprise environment.

The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and meetings. The systems engineer will be responsible for supporting the customer's enterprise environment.

SPECIFIC DUTIES AND RESPONSIBILITIES:

  • Design, implement, and maintain enterprise Linux-based infrastructure in both on-prem and virtualized environments
  • Develop and maintain automation solutions using Ansible and scripting languages (e.g., Bash, Python)
  • Standardize system configuration, patching, and deployment processes through infrastructure-as-code practices
  • Administer and support Red Hat ecosystem tools, including Satellite and Capsule
  • Integrate and manage authentication and authorization mechanisms (e.g., OAuth, SSO, identity providers)
  • Support and optimize virtualized environments, including platforms such as Nutanix
  • Support the development of dashboards using observability solutions using tools such as Grafana and Zabbix
  • Troubleshoot complex system, performance, and integration issues across distributed environments
  • Collaborate with cross-functional teams to improve system reliability, scalability, and operational efficiency
  • Document system architecture, processes, and automation workflows
  • Contribute to continuous improvement initiatives, including automation maturity and operational best practices

EDUCATION:

Bachelor's Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.

QUALIFICATIONS:

5+ years of experience administering and engineering Linux systems in enterprise environments

Required Skills:

  • Solid understanding of system administration fundamentals (networking, storage, security, OS internals)
  • Strong expertise in configuration management and automation using Ansible
  • Proficiency in scripting (Bash, Python, or similar) for automation and tooling
  • Experience managing Red Hat-based environments (RHEL, Satellite, Capsule or similar tools)
  • Experience troubleshooting complex infrastructure and performance issues
  • Experience implementing security best practices in Linux environments
  • Experience with virtualization platforms such as Nutanix
  • Experience with monitoring and alerting systems
  • Strong problem-solving skills and ability to work independently
  • Active TS/SCI clearance required and eligibility to obtain a CI poly

Desired

  • Experience with load balancing devices such as HAProxy or F5
  • Familiarity with authentication and authorization concepts (e.g., OAuth, LDAP, SSO)
  • Experience with observability and dashboarding tools such as Grafana and Zabbix
  • Familiarity with containerization technologies (Docker, Kubernetes)
  • Knowledge of CI/CD pipelines and integration with infrastructure automation
  • Strong communication and documentation skills

Location: St Louis MO, or Springfield VA

US citizenship required

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#RoverGSS

The likely salary range for this position is $159,800 - $216,200. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA VA Springfield

Additional Work Locations:

USA MO St. Louis

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

What General Dynamics Information Technology employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

General Dynamics Information Technology logo

About General Dynamics Information Technology

Sourced by ZipRecruiter

GDIT is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense, and intelligence community. Its 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. The company operates across 50+ countries worldwide, offering leading capabilities in digital modernization, AI/ML, cloud, cyber, and application development.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

View All General Dynamics Information Technology Jobs

Apply