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Sr System Admin Jobs (NOW HIRING)

CXI Staffing

Senior System Administrator

Manhattan, NY · On-site

$94K - $128K/yr

MTA IT is seeking a Senior System Administrator role with extensive enterprise level experience in hybrid cloud/on premises environments. Submit only candidates with verified 10+ years of Senior ...

Omniscius Consulting

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 ...

HARRIS & HARRIS LTD

Sr. System Administrator

Chicago, IL · On-site

$100K - $120K/yr

We're looking for friendly, professional, and motivated Sr. Systems Administrator to join our ... Minimum of three years' experience in a Systems Admin role encompassing the following: * Experience ...

BNH

Senior System Administrator

Arnold Air Force Base, TN · On-site

$107K - $143K/yr

Senior System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network Systems Function/Branch: Engineering/Infrastructure Directorate: Engineering & Tech Support ...

BNH

Senior System Administrator

Arnold Air Force Base, TN · On-site

$107K - $143K/yr

Senior System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network Systems Function/Branch: Engineering/Infrastructure Directorate: Engineering & Tech Support ...

INSPYR Solutions

Senior System Administrator

Orange, CT · On-site

$45 - $50/hr

Senior System Administrator Location: Orange, CT Duration: 6+ months Compensation: $45.00 - $50.00/hr Work Requirements: US Citizen, GC Holders or Authorized to Work in the U.S. Senior System ...

Foxconn Assembly LLC

Senior System Administrator

Houston, TX · On-site

$82K - $111K/yr

The Senior System Administrator is responsible for designing, optimizing, and securing the ... Due to unrestricted privileged access (Domain Admin / Root) to critical intellectual property and ...

BNH

Senior System Administrator

Arnold Air Force Base, TN · On-site

$107K - $143K/yr

Senior System Administrator Location: Arnold AFB, TN Job Family Code: P - IT/Cyber Security / Network Systems Function/Branch: Engineering/Infrastructure Directorate: Engineering & Tech Support ...

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Sr System Admin information

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$49K

$102.2K

$143.5K

How much do sr system admin jobs pay per year?

As of Jul 23, 2026, the average yearly pay for sr system admin 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.

Will AI replace sys admins?

AI is unlikely to fully replace senior system administrators, as their role involves complex problem-solving, system design, and decision-making that require human judgment. Instead, AI tools are increasingly used to automate routine tasks like monitoring, backups, and troubleshooting, allowing sys admins to focus on strategic and advanced issues. Continuous learning and certification in automation and cloud technologies remain important for sys admins to stay relevant.

What are the key skills and qualifications needed to thrive as a Sr System Admin, and why are they important?

To thrive as a Sr System Admin, you need advanced knowledge of operating systems, network infrastructure, security protocols, and typically a degree in computer science or related field. Proficiency with server virtualization tools, cloud platforms (like AWS or Azure), and certifications such as Microsoft Certified: Windows Server or CompTIA Server+ are highly valuable. Strong problem-solving skills, effective communication, and the ability to work independently or lead a team set exceptional candidates apart. These skills and qualifications are crucial to ensure reliable system performance, security, and efficient IT operations in complex enterprise environments.

What are some common challenges Sr System Admins face when managing complex IT infrastructures?

Sr System Admins often encounter challenges such as integrating legacy systems with modern technologies, maintaining high system uptime, and responding quickly to security threats. Balancing proactive maintenance with urgent troubleshooting can be demanding, especially in large, distributed environments. Effective communication and collaboration with network, security, and development teams is essential to ensure seamless operations and swift issue resolution. Staying current with evolving technologies and best practices is also key to successfully managing these challenges.

What is the highest salary for a system administrator?

The highest salaries for senior system administrators can exceed $120,000 annually, especially for those with advanced certifications, extensive experience, or in high-cost-of-living areas. Top earners often work in large enterprises, manage complex infrastructure, or have specialized skills in cloud platforms and cybersecurity.

What does a senior systems administrator do?

A senior systems administrator manages and maintains an organization’s IT infrastructure, including servers, networks, and security systems. They troubleshoot issues, implement upgrades, and ensure system reliability and security, often using tools like scripting and monitoring software. They typically have advanced certifications and experience to handle complex technical tasks and lead IT projects.

What are Sr System Admins?

Sr System Admins, or Senior System Administrators, are IT professionals responsible for managing and maintaining an organization's computer systems, servers, and network infrastructure. They oversee system performance, troubleshoot issues, implement security measures, and ensure data integrity and availability. Sr System Admins often lead projects, mentor junior staff, and play a critical role in planning and executing IT strategies to support business operations.

What is the average pay for a senior administrator?

A senior system administrator typically earns an average salary ranging from $80,000 to $120,000 annually, depending on experience, certifications, and location. They often work with advanced tools and may hold certifications like CompTIA Server+ or Cisco CCNA to enhance their earning potential.
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Sr System Admin jobs near you
Infographic showing various Sr System Admin job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 80% Full Time, 13% Part Time, 1% Temporary, and 5% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $102,229 per year, or $49.1 per hour.

Senior System Administrator

Astrion

Hanscom Air Force Base, MA • On-site

$125/hr

Full-time

Posted 2 days ago

Job description

Overview
Senior System Administrator
LOCATION: Hanscom AFB, MA (Bedford, MA)
Salary Range: $125-135,000.00
JOB STATUS: Full-time
CLEARANCE: Secret
TRAVEL: Limited, as needed
Astrion has an opportunity for a Senior System Administrator to be part of the C3I and Infrastructure Division which focuses on providing enterprise support to the Air Force, Air National Guard, and Air Force Reserve installations and bases. This position supports the Base Information Transport Infrastructure (BITI) Wired & Wireless (AFLCMC/HNIB)
REQUIRED QUALIFICATIONS / SKILLS:
  • MA/MS and 12 years of technical network experience, 5 of which must be DoD
  • OR BA/BS and 15 years of technical network experience, 5 of which must be DoD
  • OR 20 years of technical network engineering experience with proper certifications, 8 of which must be in DoD
  • OR GED, 10 years of technical network experience, 5 of which must be DoD

RESPONSIBILITIES:
  • Provides system administration of Network, Web, and/or communication systems, including Local Area Network (LAN) and Wide Area Network (WAN) systems, involving network security.
  • Prepares technical implementation plans that provide integrated solutions including actions, milestones, timelines, and critical paths required for complete solutions.
  • Performs the daily activities of configuration and operation of business systems which may be mainframe, mini, client/server, or cloud based. Optimizes system operation and resource utilization, and performs system capacity analysis and planning. Provides assistance to users in accessing and using business systems.
  • Duties also include the support and maintenance of existing AF systems for mission critical applications across a variety of software and hardware platforms in use by the different groups. Must be experienced in technologies including, but not limited to:
    • Microsoft SharePoint Technologies
    • Microsoft Project Server
    • ASP/.NET/SQL Server legacy systems
    • JavaScript and related web technologies
    • Oracle
  • Requirements also include planning, design, development, and deployment of new systems as directed by leadership within the available AF toolset. Must provide information and procedures to users within the directorate to ensure consistent access and secure operations. Supports access control for SharePoint groups as needed and support group administrators to maintain their SharePoint data effectively and securely.

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