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Senior Linux System Administrator Jobs in Sun Prairie, WI

Abbott

Sr. SAP Basis Admin

Madison, WI · On-site

Position Overview The SAP Senior Application Analyst will work on business systems design and configuration, as well as upgrades and improvements for assigned technology platforms. As a primary ...

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Senior Linux System Administrator information

See Sun Prairie, WI salary details

$21.4K

$123.8K

$173.7K

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

As of Sep 5, 2026, the average yearly pay for senior linux system administrator in Sun Prairie, WI is $123,785.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,100.00 and $145,900.00 per year, depending on experience, location, and employer.

What is a senior Linux system administrator?

A Senior Linux System Administrator is responsible for managing, configuring, and maintaining Linux-based systems and servers. They handle system performance tuning, security hardening, troubleshooting, and automation through scripting and configuration management tools. Additionally, they oversee backups, software updates, and infrastructure reliability. This role often involves mentoring junior administrators and collaborating with development and IT teams to support business operations.

What are the typical daily responsibilities of a senior Linux system administrator?

Senior Linux System Administrators are responsible for managing, maintaining, and optimizing Linux-based servers and infrastructure. Their daily tasks often include monitoring system performance, managing user permissions, applying security patches, automating processes through scripting, and troubleshooting technical issues. They regularly collaborate with developer, security, and operations teams to support new deployments and ensure system reliability. Additionally, they may mentor junior administrators and contribute to designing infrastructure improvements, making this a dynamic and influential role within IT operations.

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

To thrive as a Senior Linux System Administrator, you need deep expertise in Linux/UNIX system administration, scripting, networking, and troubleshooting, typically backed by several years of industry experience and a relevant degree or certifications like RHCE or CompTIA Linux+. Proficiency with tools such as Ansible, Puppet, Docker, and monitoring platforms, as well as experience with cloud environments, is highly valued. Strong problem-solving abilities, communication skills, and the capacity to mentor junior team members are crucial soft skills. These abilities are essential for ensuring reliable system uptime, seamless team collaboration, and effective response to complex IT challenges.

What are the most commonly searched types of Linux System Administrator jobs in Sun Prairie, WI?

The most popular types of Linux System Administrator jobs in Sun Prairie, WI are:

What cities near Sun Prairie, WI are hiring for Senior Linux System Administrator jobs?

Cities near Sun Prairie, WI with the most Senior Linux System Administrator job openings:

Senior Linux System Administrator jobs near you
Infographic showing various Senior Linux System Administrator job openings in Sun Prairie, WI as of August 2026, with employment types broken down into 82% Full Time, 2% Part Time, and 16% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $123,785 per year, or $59.5 per hour.

Splunk Enterprise Security (ES) Consultant - remote

System One

Arlington, WI • Remote

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 13 days ago

Job description

Splunk Enterprise Security (ES) Consultant - remote Remote – offsite Responsibilities
  • Develop custom detection content: correlation searches, notable events, alerts, reports, and visualizations to surface threat activity
  • Build and maintain Splunk Apps and Technology Add-ons (TAs)
  • Onboard new data sources and normalize them to the Common Information Model (CIM)
  • Optimize data flow and ingestion using aggregation, filtering, and pipeline tuning
  • Configure notable event actions, action menus, and Adaptive Responses
  • Tune detections to cut noise and surface what matters, including risk-based alerting where applicable
  • Build dashboards that highlight anomalies, trends, and security and operational metrics
  • Support and optimize large distributed clustered Splunk environments (search heads, indexers, forwarders, deployment servers)
  • Partner with the client's security and SOC teams, debug complex integration and configuration issues
  • Document processes, procedures, and key engineering decisions
Requirements
  • Several years of hands-on Splunk experience, with real ES implementation, content development, and tuning
  • Strong SPL and regular expressions
  • Scripting in Python, Perl, or Bash
  • Solid grasp of CIM and data onboarding and normalization at scale
  • Experience supporting clustered Splunk environments in SOC or NOC settings
  • SIEM data modeling experience on a platform at scale
  • Proficiency in Linux, including editing and maintaining Splunk config files and apps
  • Comfortable working consultatively with client teams and explaining the why behind the work
  • Splunk certifications (Core Certified Consultant, ES Certified Admin, Architect) are a plus but not required
  • Demonstrated ES delivery experience carries more weight than paper
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law. #LI-KA1 #M1

Ref: #856-Baltimore-S1

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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