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Senior System Administrator Jobs (NOW HIRING)

SR. System Administrator

Houston, TX · On-site

$82K - $111K/yr

Job Title: SR. System Administrator Location: Houston, TX (Hybrid) Work Location: 601 Travis Street, Suite 1400, Houston, TX 77002 Duration: 12 Months Job Summary We are seeking an experienced Senior ...

Senior System Administrator

Laurel, MD · On-site

$85K - $115K/yr

We are seeking an experienced Senior Systems Administrator to support the lifecycle sustainment and modernization of mission-critical education, learning, and training applications supporting a ...

ECM Senior System Administrator

Hartford, CT · On-site

$86K - $117K/yr

The ECM Senior System Administrator manages operations associated with various imaging systems employed by the CSCU system to gather, archive and manage business content, including front-end scanning ...

Sr. System Administrator

Chicago, IL · On-site

$100K - $120K/yr

We're looking for friendly, professional, and motivated Sr. Systems Administrator to join our Information Technology team. If you're looking for a company that embraces the principles of respect ...

Senior System Administrator

Houston, TX · On-site

$82K - $111K/yr

The Senior System Administrator is responsible for designing, optimizing, and securing the organization's global enterprise server infrastructure, data storage, virtualization layers, and cloud ...

Senior System Administrator

Annapolis, MD · On-site

$85K - $115K/yr

Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the ...

Senior System Administrator

Franklin, TN · On-site

$82K - $112K/yr

The Senior Systems Administrator is a key member of that team. This role owns the infrastructure reliability of an assigned portfolio of plant sites, serves as the senior technical resource for ...

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Senior System Administrator information

See salary details

$49K

$102.2K

$143.5K

How much do senior system administrator jobs pay per year?

As of Aug 23, 2026, the average yearly pay for senior system administrator in the United States is $102,229.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,000.00 and $116,500.00 per year, depending on experience, location, and employer.

What does a senior system administrator do?

A Senior System Administrator is responsible for managing, maintaining, and securing an organization's IT infrastructure, including servers, networks, and related systems. They oversee the installation and configuration of hardware and software, troubleshoot complex technical issues, and ensure the reliability and performance of IT services. Senior System Administrators also implement security policies, perform regular system updates, and may supervise junior IT staff. Their expertise is essential for minimizing system downtime and protecting data integrity.

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

To thrive as a Senior System Administrator, you need in-depth knowledge of operating systems, networking, security protocols, and significant experience managing IT infrastructure, usually backed by a degree in computer science or related certifications (such as CompTIA, Microsoft, or Cisco). Expertise with tools like VMware, Active Directory, PowerShell, and cloud platforms (AWS, Azure) is typically required. Strong problem-solving skills, attention to detail, and effective communication are crucial soft skills for this role. These abilities ensure reliable system performance, minimize downtime, and support the technology needs of an organization.

What are some common challenges a senior system administrator may encounter when managing hybrid cloud environments?

Senior System Administrators often face challenges balancing on-premises infrastructure with cloud-based resources, which can include ensuring consistent security policies, managing data synchronization, and monitoring system performance across multiple platforms. They must also stay updated on evolving technologies and compliance requirements, as well as collaborate closely with development, security, and networking teams. Addressing these complexities requires strong problem-solving skills, robust documentation practices, and a proactive approach to both troubleshooting and automation.

What is the difference between Senior System Administrator vs Network Administrator?

AspectSenior System AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentData centers, enterprise IT environments, server managementNetwork infrastructure, routing, switching, network security
ResponsibilitiesServer deployment, maintenance, troubleshooting, system upgradesNetwork setup, monitoring, troubleshooting, security management

While both roles require networking and system knowledge, Senior System Administrators focus on server and system management, whereas Network Administrators specialize in network infrastructure. Both roles are essential in enterprise IT, often collaborating to ensure seamless technology operations.

More about Senior System Administrator jobs

What cities are hiring for Senior System Administrator jobs?

Cities with the most Senior System Administrator job openings:

What are the most commonly searched types of System Administrator jobs?

The most popular types of System Administrator jobs are:

Who are the top companies hiring for Senior System Administrator jobs?

The top employers for Senior System Administrator jobs are:

What states have the most Senior System Administrator jobs?

States with the most job openings for Senior System Administrator jobs include:

Infographic showing various Senior System Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $102,229 per year, or $49.1 per hour.

Senior System Administrator

DCCA

Columbia, MD

$85K - $115K/yr

Full-time

Re-posted 23 days ago


Job description

Senior System Administrator
Location Columbia, MD
Job Code 2215
# of Openings 1