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Systems Administrator 3 Jobs (NOW HIRING)

ORBIS, Inc.

Systems Administrator III

Philadelphia, PA · On-site

Position is for a Systems Administrator to support NSWC Philadelphia and Surface Ship modernization programs. The candidate shall support daily operational requirements of computer network systems ...

JT4 LLC

Systems Administrator III

Edwards, CA · On-site

In addition, a Systems Administrator III must possess the following qualifications: Must have specific experience in the use of MS window server environments and various computer-aided design ...

Saxon Global

Systems Administrator III

Frisco, TX · On-site

Systems Administrator III Job Duration: 3+ Months Contract to Hire Interview Method: Phone then In Person Address: Frisco, TX /Charlotte, NC USA 28208 Position Summary: Individuals in the vBlock ...

JT4 LLC

Systems Administrator III

Edwards, CA

In addition, a Systems Administrator III must possess the following qualifications: Must have specific experience in the use of MS window server environments and various computer-aided design ...

Nightwing

Systems Administrator 3

Annapolis, MD · On-site

$122K - $253K/yr

The Systems Administrator will provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related ...

Pae

Systems Administrator III/IV

Houston, TX

The Systems Administrator III/IV will: * Perform daily maintenance and operations tasks related to system administration in a multi-server environment. * Provide maintenance and performance tuning of ...

JT4, LLC

Systems Administrator III

Edwards, CA · On-site

$85K - $108K/yr

In addition, a Systems Administrator III must possess the following qualifications: * Must have specific experience in the use of MS window server environments and various computer-aided design ...

Nwis

Systems Administrator 3

Annapolis Junction, MD

$122K - $253K/yr

The Systems Administrator will provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related ...

Amentum

Systems Administrator III/IV

Houston, TX · On-site

The Systems Administrator III/IV will: * Perform daily maintenance and operations tasks related to system administration in a multi-server environment. * Provide maintenance and performance tuning of ...

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All JobsSystems Administrator 3 Jobs

Systems Administrator 3 information

See salary details

$41K

$88.9K

$137.5K

How much do systems administrator 3 jobs pay per year?

As of Jun 9, 2026, the average yearly pay for systems administrator 3 in the United States is $88,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $104,000.00 per year, depending on experience, location, and employer.

What is the difference between Systems Administrator 3 vs Systems Administrator 2?

AspectSystems Administrator 3Systems Administrator 2
CertificationsCompTIA Network+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Microsoft Certified: Windows Server Fundamentals
Work EnvironmentMid-level IT support, server management, network troubleshootingEntry to mid-level IT support, basic network and server tasks
ResponsibilitiesAdvanced server configuration, network security, scriptingBasic server maintenance, user support, hardware troubleshooting

Systems Administrator 3 typically handles more complex server and network tasks compared to Systems Administrator 2, requiring similar certifications but with increased responsibilities and technical expertise. They often work in environments demanding advanced troubleshooting and configuration, whereas Systems Administrator 2 roles focus on foundational support and maintenance.

What are some common challenges a Systems Administrator 3 might face when managing complex IT infrastructures?

As a Systems Administrator 3, you’ll often be responsible for overseeing a diverse environment with multiple servers, platforms, and cloud integrations. Common challenges include troubleshooting advanced system issues, balancing routine maintenance with urgent escalations, and ensuring high system availability while implementing security best practices. Collaboration with network engineers, security teams, and end-users is frequent, requiring strong communication and problem-solving skills. Staying current with emerging technologies and adapting to evolving organizational needs is also crucial for success in this senior-level role.

What are Systems Administrator 3 roles and responsibilities?

A Systems Administrator 3 is a senior-level IT professional responsible for managing and maintaining an organization's computer systems, servers, and networks. They handle advanced troubleshooting, system upgrades, security configurations, and performance tuning. Additionally, they often lead projects, mentor junior administrators, and ensure systems are reliable, secure, and compliant with organizational policies. Their expertise typically covers complex environments, virtualization, cloud integration, and disaster recovery planning.

What are the key skills and qualifications needed to thrive as a Systems Administrator 3, and why are they important?

To thrive as a Systems Administrator 3, you need advanced knowledge of system architecture, network administration, security protocols, and relevant IT certifications such as CompTIA, Microsoft, or Cisco. Expertise in operating systems (Windows, Linux), virtualization platforms, scripting languages, and monitoring tools is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in troubleshooting and collaborating across teams. These skills ensure system reliability, security, and optimal performance in complex IT environments.
More about Systems Administrator 3 jobs
What cities are hiring for Systems Administrator 3 jobs? Cities with the most Systems Administrator 3 job openings:
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What job categories do people searching Systems Administrator 3 jobs look for? The top searched job categories for Systems Administrator 3 jobs are:
Systems Administrator 3 jobs near you
Infographic showing various Systems Administrator 3 job openings in the United States as of May 2026, with employment types broken down into 7% Locum Tenens, 5% As Needed, 42% Full Time, 5% Part Time, 38% Contract, and 3% Nights. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.
Systems Administrator III

Systems Administrator III

Texas Association of School Boards

Austin, TX • On-site

$84K - $134K/yr

Full-time

Retirement

Posted 11 days ago

Job description

Why Texas Association of School Boards (TASB)

We come from humble beginnings — picture a one-person organization created in 1949 to advocate for excellence in public education on behalf of Texas school board members. Fast forward to today, and we have over 500 employees working together to provide 1,024 school districts with purposeful resources so they can focus on what matters most — excellent and equitable education for all 5.4 million Texas students.

We feel privileged to work alongside talented team-members who are passionate about education and enjoy learning from new and different perspectives. And our passion for education and learning doesn’t end there. Our culture has always encouraged employees to grow and become their best selves both professionally and personally through a variety of innovative and collaborative development opportunities. You’re likely beginning to see why we’ve been regularly named by Austin Business Journal as a Top Ten Best Places to Work!

TASB offers competitive pay, rich benefits (including retirement matching of 2:1 up to 5% after one year. This means that if you contribute 5% to the plan, TASB will contribute 10%), onsite daycare, onsite gym, wellness program, tuition reimbursement, remote work options, flexible schedules, and more.

Every role at TASB thoughtfully complements our mission and the educational impact being made in communities across Texas. If you consider your work exceptional and want to help drive our mission forward, keep reading!

About You

The Systems Administrator III – Infrastructure Engineer provides advanced network engineering expertise with a focus on network segmentation, enterprise connectivity, and secure infrastructure design. This role is responsible for the design, implementation, administration, and support of TASB’s network environments, including Juniper switching and firewall platforms, Cisco and Meraki wireless networks, and associated infrastructure systems.

A Typical Day

  • Design, implement, and maintain network segmentation strategies to improve security and performance.
  • Administer and support Juniper network infrastructure, including switches and firewalls.
  • Configure and maintain routing, switching, and firewall policies across the enterprise environment.
  • Support and optimize Cisco and Meraki wireless networks, including access points, controllers, and cloud-managed environments.
  • Monitor network performance and capacity, proactively identifying and resolving bottlenecks or reliability issues.
  • Perform advanced network administration tasks including configuration changes, firmware upgrades, patching, BGP, and lifecycle management.
  • Maintain network documentation, support incidents across LAN, WAN, and wireless environments, and participate in after-hours maintenance and on-call support as needed.

How You’ll Make an Impact

  • Strengthen TASB’s infrastructure by enforcing network security best practices, including segmentation, access control, and traffic inspection.
  • Improve reliability and visibility by implementing and maintaining monitoring, alerting, and reporting solutions.
  • Support business continuity by assisting with disaster recovery and continuity planning related to network services.
  • Collaborate with the Infrastructure Architect, IT teams, and vendors to design and deliver secure, scalable network solutions.
  • Drive continuous improvement by recommending architecture, tooling, and process enhancements that improve performance, reliability, and security.

Skills For Success

Education and Experience

  • Bachelor’s degree and 2+ years of related experience, or 6+ years of progressively responsible experience in network engineering or infrastructure support.
  • Experience in enterprise network environments supporting 500+ endpoints.
  • Experience with wireless network management, including Cisco and Meraki environments.
  • Experience with firewall administration and network segmentation implementation.
  • Experience with network monitoring and troubleshooting.
  • Juniper certifications such as JNCIA, JNCIS, or higher are preferred.
  • Cisco certifications such as CCNA or CCNP are preferred.

Knowledge, Skills, and Abilities

  • Strong experience with Juniper networking platforms, including switches and firewalls.
  • Strong experience with Cisco and/or Meraki wireless networking solutions.
  • Deep understanding of network segmentation, VLANs, routing, BGP, and firewall policies.
  • Knowledge of enterprise network design, monitoring, and troubleshooting practices.
  • Familiarity with network security principles and implementation.
  • Strong analytical and problem-solving skills.
  • Effective verbal and written communication skills.
  • Ability to work independently, lead technical efforts, and provide guidance to junior staff.

The TASB Difference

  • Enjoy competitive pay and rich benefit offerings.
  • Be part of a collaborative environment where every contribution impacts Texas public schoolchildren.
  • Thrive in a culture that promotes bringing your whole self to work every day and emphasizes healthy boundaries and work-life balance.
  • Learn and grow individually and together through frequent professional development, wellness seminars, and more.
  • Work alongside transparent leaders with an open and consistent feedback approach.
  • Celebrate as a team with meaningful (and fun) events and tokens of appreciation throughout the year.

Posting Notices

  • The health and safety of our employees and members, is our top priority.
  • The Association is an equal opportunity employer and will not discriminate against an individual based on any of the following personal characteristics protected by law: race, color, national origin, religion, sex (including in relation to marital status, pregnancy, pay, sexual orientation or gender identity), age, disability, genetics or veteran status.
  • This position does not qualify for visa sponsorship.
  • Any job offer is contingent upon receipt of results of a satisfactory background check.

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