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Senior Linux System Administrator Jobs in Decatur, AL

SAIC

System Administrator

Huntsville, AL · On-site

Job Summary : SAIC is seeking a Systems Administrator to join their team in Huntsville, Alabama ... Linux environments hosting the FBM Planner software suite. • Implement and maintain DoD ...

Leidos

System Administrator

Huntsville, AL · On-site

$50K - $91K/yr

... assisting senior administrators and engineers with maintaining secure and reliable IT services. ... Windows and Linux operating systems and networking fundamentals Knowledge of VMware administration ...

SAIC

System Administrator

Huntsville, AL

ORA_ON_SITE Description SAIC is seeking a Systems Administrator to join our team in Huntsville ... Provision, configure, and maintain the development, testing, and distributed production Linux ...

Leidos

System Administrator

Huntsville, AL

$50K - $91K/yr

... assisting senior administrators and engineers with maintaining secure and reliable IT services. ... Windows and Linux operating systems and networking fundamentals • Knowledge of VMware ...

SAIC

System Administrator

Huntsville, AL · On-site

Description SAIC is seeking a Systems Administrator to join our team in Huntsville, Alabama. This ... Provision, configure, and maintain the development, testing, and distributed production Linux ...

Corps Solutions

Senior System Administrator

Huntsville, AL · On-site

$85K - $115K/yr

Job Summary : Corps Solutions is seeking a Senior System Administrator to provide system ... Red Hat Linux environments. • Review and validate service-related reports (e.g., backups ...

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All JobsSenior Linux System Administrator JobsSenior Linux System Administrator Jobs in Decatur, AL

Senior Linux System Administrator information

See Decatur, AL salary details

$20.6K

$119.3K

$167.3K

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

As of Jun 15, 2026, the average yearly pay for senior linux system administrator in Decatur, AL is $119,270.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,300.00 and $140,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Senior Linux System Administrator position, and why are they important?

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 is a Senior Linux System Administrator job?

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 typical daily responsibilities for 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 popular job titles related to Senior Linux System Administrator jobs in Decatur, AL? For Senior Linux System Administrator jobs in Decatur, AL, the most frequently searched job titles are:
What job categories do people searching Senior Linux System Administrator jobs in Decatur, AL look for? The top searched job categories for Senior Linux System Administrator jobs in Decatur, AL are:
Senior Linux System Administrator jobs near you
Infographic showing various Senior Linux System Administrator job openings in Decatur, AL as of June 2026, with employment types broken down into 56% Full Time, and 44% Contract. Highlights an 100% In-person job distribution, with an average salary of $119,270 per year, or $57.3 per hour.
System Administrator

System Administrator

SAIC

Huntsville, AL • On-site

Full-time

Posted 10 days ago

SAIC rating

7.8

Company rating: 7.8 out of 10

Based on 78 frontline employees who took The Breakroom Quiz

70th of 204 rated it services

Job description

Job Summary:
SAIC is seeking a Systems Administrator to join their team in Huntsville, Alabama. This position is crucial for managing and securing the computing environments that enable critical Missile Defense planning, ensuring that essential data is processed and accessible to support the Warfighter's decision-making.
Responsibilities:
• Provision, configure, and maintain the development, testing, and distributed production Linux environments hosting the FBM Planner software suite.
• Implement and maintain DoD cybersecurity postures. Apply Security Technical Implementation Guides (STIGs), manage Information Assurance Vulnerability Alerts (IAVAs), and support Risk Management Framework (RMF) accreditation packages.
• Administer user accounts and role-based access controls (RBAC) across secure networks.
• Design and execute robust backup, disaster recovery, and continuity of operations (COOP) plans to ensure zero downtime during critical simulation events or live tests.
Qualifications:
Required:
• Bachelors and zero (0) years or more experience; four (4) years of experience considered in lieu of degree.
• DoD 8570/8140 Compliance Must hold a current DoD 8570.01-M IAT Level II certification Linux Certification
• Experience administering Linux (e.g., RHEL) operating systems.
• Proficiency in scripting (e.g., PowerShell, Bash) for system automation.
• Hands-on experience with DISA STIG viewer, SCAP Compliance Checker, and vulnerability scanning tools (e.g., ACAS/Nessus).
• Must be a U.S. Citizen.
• Must possess an Active DoD Secret clearance
Preferred:
• Previous experience operating within a DoD Modeling & Simulation (M&S) or tactical laboratory environment.
• Familiarity with deploying and managing containerized applications (e.g., Docker, Kubernetes).
Company:
SAIC specializes in IT, enterprise IT, engineering, and professional services. Founded in 1969, the company is headquartered in Reston, USA, with a team of 10001+ employees. The company is currently Late Stage.

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