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Senior Linux System Administrator Jobs in Madison, WI

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Senior Linux System Administrator information

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$22.2K

$128.2K

$179.9K

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 Madison, WI is $128,217.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,800.00 and $151,200.00 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 Madison, WI?

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

What are popular job titles related to Senior Linux System Administrator jobs in Madison, WI?

For Senior Linux System Administrator jobs in Madison, WI, the most frequently searched job titles are:

What job categories do people searching Senior Linux System Administrator jobs in Madison, WI look for?

The top searched job categories for Senior Linux System Administrator jobs in Madison, WI are:

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

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

Infographic showing various Senior Linux System Administrator job openings in Madison, WI as of August 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 62% In-person, and 38% Hybrid job distribution, with an average salary of $128,217 per year, or $61.6 per hour.

Geospatial Cyber Security Engineer - Multiple Positions at Junior/Mid/Senior Levels

NV5

Sun Prairie, WI • On-site

Full-time

Medical, Dental, Life, Retirement

Re-posted 26 days ago


NV5 rating

8.3

Company rating: 8.3 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

141st of 453 rated engineering


Job description

Overview
Geospatial Cyber Security Engineer - Multiple Positions at Junior/Mid/Senior Levels
NV5 Geospatial (NV5G) is actively recruiting qualified and cleared Geospatial Cyber Security Engineers to support national security client sites in the Northern Virginia and St. Louis, MO areas. Candidates will support critical DoW and Intel missions and programs. You will focus on cybersecurity engineering, risk management, and compliance across cloud and on-prem systems, supporting system authorization, vulnerability management, and secure operations in classified environments. A Top Secret Clearance with SCI eligibility or an active TS/SCI are required conditions of employment.
Work Environment:
  • Location: Northern Virginia Area (Springfield, VA and/or Vienna, VA)
  • Travel up to 15% of the time

At NV5, we are a collaboration of intelligent, innovative thinkers who care for each other, our communities, and the environment. We value both heart and head, the diversity of our people, and their experiences because that is how we continue to grow as a leader in our industry and expand our individual and collective potential.
NV5 is a global technology solutions and consulting services company with a workforce of over 4,500 professionals in more than 100 offices worldwide. NV5's continued growth has been spurred through strategic investments in firms with unique capabilities to help current and future customers solve the world's toughest problems. The NV5 family brings together talent across a wide range of markets and fields, including Professional Engineers, Professional Land Surveyors, Architects, Photogrammetrists, GIS Professionals, Software Developers, IT, Project Management Professionals, and more.
Responsibilities
  • Applying RMF processes to support system Assessment & Authorization (A&A), including control selection, implementation, assessment, and continuous monitoring
  • Developing, reviewing, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts in tools such as XACTA or eMASS
  • Conducting vulnerability assessments and compliance scans (e.g., ACAS) and tracking remediation of findings and IAVM requirements
  • Implementing and validating security controls aligned with NIST 800-53, CNSSI 1253, and related DOD guidance
  • Supporting system hardening, patching, and configuration management in compliance with STIGs for Linux, Windows, and network devices
  • Monitoring systems for security events and supporting incident response and risk mitigation activities
  • Assessing security impacts of system changes and supporting configuration control boards (CCBs)
  • Collaborating with systems engineers, administrators, and DevSecOps teams to integrate security throughput the system lifecycle
  • Providing cybersecurity risk input to program leadership, Authorizing Officials (AOs) and stakeholders

Qualifications
Required Qualifications:
  • US citizenship with Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility
  • Bachelor's degree in Computer Science, Engineering, DevOps, or related technical field
  • 5+ years of relevant experience
  • DoD 8570 IAT Level II or higher certification (e.g., Security+, CySA+, CISSP)
  • Experience with RM, A&A, POA&M, and ATO documentation (XACTA/eMASS)
  • Hands-on vulnerability scanning and compliance tracking (ACAS, IAVM)
  • Experience securing Linux and Windows systems, STIGs, patching, and system hardening
  • Knowledge of NIST 800-series publications and incident response processes
  • Strong analytical, communication, and collaborative skills

Preferred Qualifications:
  • Scripting or development experience (Python, Java, React)
  • DevSecOps tools and pipeline experience
  • Experience with Linux (RedHat/CentOS), database, web apps, or big data platforms
  • Familiarity with Agile environments and tools (Jira, Confluence)
  • Experience with NIST SP 800-171 and Systems Security Engineering (SSE)

Clearance Requirement:
  • Active/Current Top Secret Clearance with SCI Eligibility

NV5 offers a competitive compensation and benefits package including medical, dental, life insurance, FTO, 401(k) and professional development/advancement opportunities.
Employment is contingent upon successful completion of a background check and drug screening.
NV5 provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. NV5 complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.
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About NV5

Sourced by ZipRecruiter

NV5 is a renowned company based in Los Angeles, CA, US, that operates in the architecture, engineering, and consulting industry. Officially established in 2009, this company provides technical engineering and consulting solutions that cater to public and private sectors globally. The firm is adept in a wide range of services, including infrastructure, energy, construction, program management, and environmental services. As part of its mission, NV5 seeks to deliver solutions that enhance communities and safeguard the environment meticulously.

Industry

Civil engineering construction

Company size

1,001 - 5,000 Employees

Headquarters location

Los Angeles, CA, US