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Senior Systems Administrator Jobs in Decatur, AL

Ardent

ArcGIS Systems Administrator

Huntsville, AL · On-site

Ardent is seeking an ArcGIS Systems Administrator to join our team. This is a full-time, on-site position in Huntsville, Alabama. Position Description: Ardent is seeking an experienced ArcGIS Systems ...

Integral

Senior IT System Administrator

Redstone Arsenal, AL · On-site

$87K - $118K/yr

Overview The Senior IT System Administrator is responsible for the day-to-day administration ... * Certifications: Possess current, industry-standard certifications relevant to their specific ...

LogiCore

Sr. Systems Engineer

Huntsville, AL · On-site

$97K - $133K/yr

Functional Job Title Sr. Systems Engineer Location Huntsville, AL 35806 US (Primary) Category ... A systems engineer with Dynamic Object Oriented Requirements (DOORS) Administrator experience is ...

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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.

ArcGIS Systems Administrator

Ardent

Huntsville, AL • On-site

Full-time

Posted 11 days ago

Job description

Why do you need to choose between doing important work and having a fulfilling life? At Ardent, we have both. Ardent employees are committed to solving our customers' most difficult problems-and we are committed to the well-being, personal goals, and professional development of our employee. We are "All In." We put forth our strongest effort possible to get the mission accomplished and we do it together. We respect the skills and experience you bring to the Ardent team. And we provide a rewarding environment to help you succeed.

We offer highly competitive benefits, professional development opportunities, and an exceptional culture that embraces flexibility, innovation, collaboration, and career growth. A collective service mindset underpins our work, and a shared camaraderie to serve clients, colleagues and our communities set us apart. Our full commitment to being "All In" for our employees and our clients is not just our approach, it is our standard. If this sounds like the perfect fit for you, choose Ardent and make a difference with us.

Ardent is seeking an ArcGIS Systems Administrator to join our team.

This is a full-time, on-site position in Huntsville, Alabama.

Position Description:

Ardent is seeking an experienced ArcGIS Systems Administrator to support the installation, configuration, security, and day-to-day administration of an Esri ArcGIS Enterprise environment. This role ensures the GIS platform remains stable, secure, and highly available for mission-critical geospatial operations, and serves as the primary point of contact for system-level GIS support.

Responsibilities and Duties:

  • Install, configure, and maintain ArcGIS Enterprise components, including Portal for ArcGIS, ArcGIS Server, ArcGIS Data Store, and Web Adaptor, across development, test, and production environments.
  • Administer enterprise and file geodatabases, including schema management, versioning, replication, and performance tuning.
  • Manage user accounts, roles, groups, and security permissions within ArcGIS Enterprise, Portal, and ArcGIS Online.
  • Monitor system health and performance, troubleshoot service outages and errors, and apply patches, upgrades, and security updates.
  • Configure and maintain federated server sites and hosting servers, and support integration with relational databases such as SQL Server, Oracle, or PostgreSQL.
  • Implement and maintain backup, disaster recovery, and business continuity procedures for the GIS environment.
  • Administer software licensing and support deployment of ArcGIS Pro and related Esri applications to end users.
  • Collaborate with cartographers, analysts, and IT staff to support geospatial data workflows and resolve system-level issues.
  • Document system configurations, standard operating procedures, and change management activities.
  • Support platform and version migrations, such as ArcGIS Server or Portal upgrades and infrastructure or data migrations, as needed.

Requirements:

  • Minimum of 5 years of experience administering Esri ArcGIS Enterprise systems (ArcGIS Server, Portal for ArcGIS, ArcGIS Data Store) in a production environment.
  • Bachelor's degree in GIS, computer science, information technology, or a related field; equivalent experience may be considered in lieu of a degree.
  • Strong working knowledge of enterprise geodatabase administration (SDE) and relational database platforms such as SQL Server, Oracle, or PostgreSQL.
  • Experience administering Windows Server and/or Linux server environments in support of enterprise applications.
  • Familiarity with ArcGIS Pro, ArcGIS Online, and the broader Esri technology stack.
  • Understanding of GIS security best practices, including user/role management, authentication, and system hardening.
  • Experience with system or platform migrations (e.g., ArcGIS version upgrades, infrastructure, or data migrations) is preferred but not required.
  • Strong troubleshooting, documentation, and communication skills, with the ability to work independently in a mission-driven environment.
  • Active Top Secret clearance is required, along with a willingness to undergo a Counterintelligence (CI) polygraph within three (3) months of hire.

Due to the nature of the work we support, all candidates in consideration for this role must be willing to undergo the government issued background investigation process. We highly encourage all Veterans and those with disabilities to apply.

Ardent is an equal opportunity employer. We will not discriminate in employment, recruitment, advertisements for employment, compensation, termination, upgrading, promotions, and other conditions of employment against any employee or job applicant on the bases of race, color, gender, national origin, age, religion, creed, disability, veteran's status, sexual orientation, gender identity, gender expression, or any other basis protected by state, local, or federal law.

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