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Senior Systems Administrator Jobs in Decatur, AL

Yulista

Senior Systems Administrator

Huntsville, AL · On-site

$84K - $114K/yr

StraitSys Inc Regular Position Summary The Senior Systems Administrator is responsible for the design, administration, security, automation, and operational support of the organization's enterprise ...

Yulista

Senior Systems Administrator

Huntsville, AL · Hybrid

$84K - $114K/yr

StraitSys Inc Regular Position Summary The Senior Systems Administrator is responsible for the design, administration, security, automation, and operational support of the organization's enterprise ...

Yulista

Senior Systems Administrator

Huntsville, AL · On-site

$84K - $114K/yr

StraitSys Inc Regular Position Summary The Senior Systems Administrator is responsible for the design, administration, security, automation, and operational support of the organization's enterprise ...

TCS

Systems Administrator

Huntsville, AL · On-site

Senior Systems Administrator Secret Clearance On-site: Huntsville, AL At Technical Consulting Solutions (TCS), Inc., our team of professionals tackles many of our countrys most difficult engineering ...

TCS

Systems Administrator

Huntsville, AL · On-site

Senior Systems Administrator Secret Clearance On-site: Huntsville, AL At Technical Consulting Solutions (TCS), Inc., our team of professionals tackles many of our country's most difficult engineering ...

Starfish

Senior Systems Administrator

Huntsville, AL · On-site

$84K - $114K/yr

Torch Technologies is seeking a versatile and proactive Senior Systems Administrator to manage the end-to-end lifecycle of our infrastructure in one of our labs supporting the US Army Aviation and ...

Hive Group

Systems Administrator - Senior

Huntsville, AL · On-site

$143K - $158K/yr

We are seeking a highly skilled Senior Systems Administrator to deliver critical on-site functional and technical infrastructure support across all Missile Defense Agency (MDA) Technical Acquisition ...

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Senior Systems Administrator information

See Decatur, AL salary details

$45.9K

$95.8K

$134.5K

How much do senior systems administrator jobs pay per year?

As of Sep 1, 2026, the average yearly pay for senior systems administrator in Decatur, AL is $95,835.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,600.00 and $109,200.00 per year, depending on experience, location, and employer.

What is a senior systems administrator?

Senior Systems Administrators are IT professionals responsible for managing and maintaining an organization's computer systems, servers, and networks. They oversee system performance, ensure security, troubleshoot complex issues, and often mentor junior administrators. Their work is critical for minimizing downtime, implementing upgrades, and ensuring the reliability and security of IT infrastructure. Senior Systems Administrators typically have years of experience and deep technical knowledge in areas like operating systems, networking, and cloud platforms.

What does a senior systems administrator do?

A senior systems administrator is an IT professional who manages the network and computer system infrastructure for a company or organization. Your responsibilities may vary depending on your employer; at a large company, you may be in a management position in which you oversee a team or department to design and implement network and database solutions for an organization, perform software programming to expand technological capabilities, or troubleshoot network issues and devise solutions. In a smaller company, you may more directly engage with these duties, supported by a small technical staff.

What are the key skills and qualifications needed to thrive as a senior systems administrator, and why are they important?

To thrive as a Senior Systems Administrator, you need deep expertise in server management, network administration, and operating systems, typically backed by a bachelor’s degree in IT or a related field. Familiarity with tools like VMware, Active Directory, Linux/Windows Server, and certifications such as CompTIA Server+, Microsoft Certified Solutions Expert (MCSE), or Red Hat Certified Engineer (RHCE) are often required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in troubleshooting and collaborating with IT teams. These competencies are crucial for maintaining system reliability, minimizing downtime, and supporting organizational technology needs.

What are some common challenges faced by senior systems administrators, and how can they be addressed?

Senior Systems Administrators often encounter challenges such as managing complex, multi-platform environments, ensuring uptime during upgrades or maintenance, and responding to unexpected technical incidents. Balancing proactive system improvements with urgent troubleshooting is a frequent demand. To address these challenges, it's important to prioritize clear documentation, automate routine tasks where possible, and foster strong communication with IT and non-IT teams. Staying current with industry best practices and security protocols also helps prevent many common issues before they arise.

What is the difference between Senior Systems Administrator vs Systems Engineer?

AspectSenior Systems AdministratorSystems Engineer
CredentialsTypically requires certifications like CompTIA Server+, Microsoft Certified: Windows Server, or Cisco CCNAOften requires similar certifications, with additional focus on network design and engineering
Work EnvironmentPrimarily manages and maintains existing IT infrastructure within organizationsDesigns, develops, and implements new systems and network solutions
Employer & Industry UsageCommon in IT departments across various industries, focusing on operational stabilityFound in organizations needing system design and integration, often in tech and engineering sectors

While both roles require strong technical skills and certifications, Senior Systems Administrators focus on maintaining and supporting existing systems, whereas Systems Engineers are more involved in designing and implementing new systems and solutions.

Do senior systems administrators make good money?

Senior systems administrators typically earn a competitive salary that reflects their experience, technical skills, and certifications such as CompTIA or Cisco. Their compensation often includes benefits and opportunities for advancement, with salaries varying by industry and location. They are responsible for managing complex IT infrastructure, which justifies higher pay compared to entry-level roles.

How much does a senior systems administrator make in the US?

A senior systems administrator in the US typically earns between $80,000 and $130,000 annually, depending on experience, location, and industry. They often require strong skills in network management, server administration, and certifications such as CompTIA or Cisco. Salaries can vary based on the complexity of the environment and the size of the organization.

Is a senior systems administrator a high paying job?

A senior systems administrator typically earns a higher salary compared to entry-level roles due to their experience and technical skills in managing complex IT infrastructure. Salaries vary by industry, location, and certifications such as CompTIA or Cisco, but they are generally considered well-compensated within the IT field.
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Senior Systems Administrator jobs near you
Infographic showing various Senior Systems Administrator job openings in Decatur, AL as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 11% Part Time, 4% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $95,835 per year, or $46.1 per hour.

Senior Systems Administrator

Science Applications International Corporation

Huntsville, AL • On-site

$84K - $114K/yr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

SAIC rating

7.9

Company rating: 7.9 out of 10

Based on 79 frontline employees who took The Breakroom Quiz

80th of 226 rated it services

Job description

SAIC is seeking a Senior Systems Administrator located in Huntsville, AL to support USPACOM to enhance and upgrade a myriad of applications and services, in an enterprise environment. As part of team, you will participate in implementation and maintenance of Cloud and On-Prem IT Infrastructure to support software development in Modeling and Simulation.

The Senior Systems Administrator will be responsible for but not limited to the following duties: 

  • Provide level II and III systems support to Huntsville based software development team.
  • Provide user level testing of the platform prior to deployment of the software.
  • Linux and Windows Administrative duties (RHEL & Ubuntu).
  • Support the maintenance and connectivity of the development platform on a private cloud on prem.
  • Create and manage user and group accounts across enclaves of responsibilities.
  • Respond to and implement Cyber Tasking Orders.
  • Apply patches to systems and conduct regression tests.
  • Apply STIGs and conduct regression tests.
  • Document updates for user manuals and procedures.
  • Required travel of up to 50% with overseas travel from 1 to 3.5 weeks at a time.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Required Education:

  • Bachelor's degree and five (5) years' experience; additional four (4) years' experience can be considered in lieu of degree.

Required Clearance:

  • Must possess an active Secret security clearance with the ability to obtain and maintain a TS/SCI; US Citizenship required.

Required Skills:

  • Willingness to travel of up to 50% with overseas in support of exercise events.
  • Experience working with operating systems such as RHEL, Ubuntu, Windows 11, Windows Server, ESXi.
  • Must have or obtain a US Passport within 30 days of start.

Required Certification:

  • Must have a current DoD 8570 IAT level II or higher certification such as Security+ CE, CySA+, CISSP, CASP etc. 

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