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Senior Systems Administrator Jobs (NOW HIRING)

TransCore

Sr Systems Administrator

Houston, TX · On-site

$77K - $104K/yr

Summary The Senior Systems Administrator position provides day-to-day advanced technical support for existing customer installations as well as new deployments of proprietary multi-server tolling ...

Addison Group

Senior Systems Administrator

Dallas, TX · On-site

$90K - $110K/yr

Senior Systems Administrator Location: Dallas, TX Salary Range: $90K-$110K Benefits: Medical, Dental, Vision, 401(k) We are looking to bring on a Senior Systems Administrator to our growing team.

Addison Group

Senior Systems Administrator

Dallas, TX · Hybrid

$90K - $110K/yr

Senior Systems Administrator Location: Dallas, TX Salary Range: $90K-$110K Benefits: Medical, Dental, Vision, 401(k) We are looking to bring on a Senior Systems Administrator to our growing team.

Addison Group

Senior Systems Administrator

Dallas, TX · On-site

$90K - $110K/yr

Senior Systems Administrator Location: Dallas, TX Salary Range: $90K-$110K Benefits: Medical, Dental, Vision, 401(k) We are looking to bring on a Senior Systems Administrator to our growing team.

Addison Group

Senior Systems Administrator

Dallas, TX · On-site

$90K - $110K/yr

Senior Systems Administrator Location: Dallas, TX Salary Range: $90K-$110K Benefits: Medical, Dental, Vision, 401(k) We are looking to bring on a Senior Systems Administrator to our growing team.

MANTECH

Senior Systems Administrator

Chantilly, VA

$88K - $119K/yr

As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as well as coordinating and/or supervising a ...

MANTECH

Senior Systems Administrator

Chantilly, VA · On-site

$88K - $120K/yr

As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as well as coordinating and/or supervising a ...

MANTECH

Senior Systems Administrator

Chantilly, VA · On-site

$88K - $120K/yr

As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as well as coordinating and/or supervising a ...

Neptune

Sr. Systems Adminstrator

Tallassee, AL · On-site

$72K - $98K/yr

Senior Systems Administrator Position Summary The Senior Systems Administrator will automate, organize, monitor, and maintain all Neptune Data Center Operations on premises and in the cloud. The ...

MANTECH

Senior Systems Administrator

Chantilly, VA · On-site

$88K - $120K/yr

As a Senior Systems Administrator you will be responsible for providing a full range of Tier 2/3 IT support services and expertise to customer activities, as well as coordinating and/or supervising a ...

ASMGi

Senior Systems Administrator

Cleveland, OH · On-site

$65K - $85K/yr

Senior Systems Administrator - ASMGi The focus of the Senior Systems Administrator is on producing high quality, detailed work based on established standards, guidelines and procedures. Precise ...

GDIT

$147K - $199K/yr

The Senior Systems Administrator supports the U.S. Army Information Systems Engineering Command (USAISEC), Communications Security Directorate (CSD), by providing comprehensive enterprise-level ...

TekSynap

Senior Systems Administrator

Aurora, CO

$87K - $118K/yr

Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: * Monitors and manages system resources, including CPU usage ...

TekSynap

Senior Systems Administrator

Aurora, CO · On-site

$87K - $118K/yr

Responsibilities & Qualifications RESPONSIBILITIES The Senior Systems Administrator is expected to be able to accomplish the following: * Monitors and manages system resources, including CPU usage ...

Securiport LLC

Senior Systems Administrator

Reston, VA · On-site

$89K - $121K/yr

The Senior Systems Administrator is responsible for leading and performing advanced IT infrastructure and systems administration activities, including the installation, configuration, administration ...

AnaVation

Sr Systems Administrator

Reston, VA · On-site

$89K - $121K/yr

AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will: * Plan, design, and implement ...

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Senior Systems Administrator information

See salary details

$49K

$102.2K

$143.5K

How much do senior systems administrator jobs pay per year?

As of Jul 14, 2026, the average yearly pay for senior systems 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 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 highest salary for a system administrator?

The highest salaries for senior systems 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 computing and cybersecurity.

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 is the average salary for a senior administrator?

The average salary for a Senior Systems Administrator typically ranges from $80,000 to $120,000 annually, depending on experience, certifications, and location. Professionals with advanced skills in network management, security, and cloud platforms may earn higher compensation.

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, often using tools like scripting and monitoring software, and may hold certifications such as CompTIA Server+ or Microsoft Certified Solutions Expert (MCSE).

Is sysadmin a stressful job?

A senior systems administrator role can be stressful due to the responsibility of maintaining critical IT infrastructure, managing system outages, and ensuring security. The job often requires quick problem-solving, working outside regular hours for maintenance, and staying updated with evolving technology, which can contribute to stress levels.

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.

What are Senior Systems Administrators?

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.

More about Senior Systems Administrator jobs
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Senior Systems Administrator jobs near you
Infographic showing various Senior Systems Administrator job openings in the United States as of July 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, 6% Hybrid, and 19% Remote job distribution, with an average salary of $102,229 per year, or $49.1 per hour.
Sr Systems Administrator

Sr Systems Administrator

TransCore

Houston, TX • On-site

$77K - $104K/yr

Full-time

Posted 12 days ago

TransCore rating

6.5

Company rating: 6.5 out of 10

Based on 26 frontline employees who took The Breakroom Quiz

115th of 142 rated electronics manufacturers

Job description

TransCore (TRN), a subsidiary of ST Engineering, is seeking a talented Sr. Systems Administrator to join our team in Houston, Texas.
SummaryThe Senior Systems Administrator position provides day-to-day advanced technical support for existing customer installations as well as new deployments of proprietary multi-server tolling applications. This role will be responsible for working both independently and in coordination with the regional support teams to resolve issues in a timely manner. Communicating highly technical information to both technical and nontechnical personnel is a key part of this role and responsibility of the Senior Systems Administrator.
Essential Duties and ResponsibilitiesInclude the following. Other duties may be assigned.
  • Oversee servers, storage, networks, databases to maintain high availability and performance
  • Provides troubleshooting and repair for moderate network solutions.
  • Quickly identifies and repairs common problems.
  • Implement and maintain backup and disaster recovery strategies, including regular testing and recovery drills
  • Enforce security policies, configure firewalls, and apply security controls to protect systems and data
  • Monitor for vulnerabilities and implement remediation measures.
  • Ensure compliance with regulatory and organizational standards.
  • Evaluates interface between users, hardware and software, and operational and performance requirements of overall server systems.
  • Maintains servers and user accounts.
  • Enforce security policies, configure firewalls, and apply security controls to protect systems and data
  • Daily system maintenance review, such as systems log, antivirus server logs, etc.
  • Provides monitoring and reports of the operational status of LAN/WAN environment as needed.
  • Interacts with vendors.
  • Install, configure, and upgrade hardware and software, including operating systems, virtualization platforms, and database systems
  • Recommends the acquisition of new hardware and/or software as needed.
  • Monitor system health, capacity, and performance; act on alerts to prevent outages
  • Perform capacity planning to anticipate growth and optimize resource allocation.
  • Investigate and resolve incidents, conduct root cause analysis, and document corrective actions
  • Manage service requests and meet defined service level targets.
  • Automate repetitive tasks and workflows to improve consistency and reduce manual effort
  • Lead infrastructure projects, upgrades, and migrations with minimal business impact
  • Follow approved change control processes and collaborate with stakeholders to align technical solutions with business requirements.
  • Maintain accurate technical documentation, runbooks, and configuration records
  • Share knowledge and mentor junior administrators to raise team capability.
  • Manage vendor relationships, renewals, and support contracts
  • Mentor other System Administrators on the team

Requirements and QualificationsTo perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below represent the knowledge, skill, and/or ability required.
  • Deep expertise in Windows environments, Active Directory, DNS, DHCP, TCP/IP, PowerShell, and scripting
  • Associate degree from a two-year college or technical school or equivalent combination of education and work experience.
  • 15+ years of Systems Administrator experience
  • Advanced experience implementing Hyper-V Virtual machines in a failover cluster
  • Advanced Administration and setup of Dell Storage.
  • Must be able to work well in a stressful situation such as an entire system malfunction.
  • Advanced experience implementing and administrating Microsoft Failover Clusters (A Must)
  • Knowledge of Networking (understanding LAN/WAN, Palo Alto, Cisco products)
  • Advanced experience troubleshooting Windows Server (2008 or higher)
  • Excellent written and verbal communication skills
  • HP/Dell server experience
  • Advanced experience troubleshooting Active Directory (A Must)
  • WSUS Experience
  • Microsoft System Center experience
  • SolarWinds Experience
  • CrowdStrike implementation

* No visa sponsorship is available for this position.
Physical Demands/Work EnvironmentWhile performing the duties of this job, the employee is regularly required to talk or hear. The employee is frequently required to sit. The employee is occasionally required to stand, walk; use hands to finger, handle, or feel and reach with hands and arms. The employee must occasionally lift and/or move up to 80 pounds. While performing the duties of this job, the employee is occasionally exposed to fumes or airborne particles; outside weather conditions and moving traffic. The noise level in the work environment is usually moderate to high in the datacenters.
* TransCore complies with federal and state disability laws and provides reasonable accommodation for employees with disabilities.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

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