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System Administrator 3 Jobs (NOW HIRING)

Phoenix Staff

System Administrator III

Tempe, AZ

$97K - $120K/yr

Title: System Administrator III Location: Tempe, AZ (Must be local to the Tempe, AZ area) Type: Full-Time Permanent Compensation: $97-120k This position is responsible for leading the design ...

Eisenhower

System Administrator III

Rancho Mirage, CA · On-site

$45.20 - $68.65/hr

Epic Client System Administrator (ECSA) required if assigned to ECSA role Experience: Required ... EMC's goals. 3. Conducts independent research on new technologies in the field of systems ...

CHSGa

System Administrator III

Macon, GA · On-site +1

Microsoft Azure Administrator * CompTIA A+ * CompTIA Network+ * CompTIA Security+ * Strong working knowledge of Microsoft Office Suite and Windows desktop operating systems across computing platforms ...

Global Resource Solutions, Inc.

$77.10K - $104.10K/yr

The Network/System Administrator III primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary ...

CHSGa

System Administrator III

Macon, GA

Microsoft Azure Administrator * CompTIA A+ * CompTIA Network+ * CompTIA Security+ * Strong working knowledge of Microsoft Office Suite and Windows desktop operating systems across computing platforms ...

PHOTRONICS INC

System Administrator III

Allen, TX · On-site

Photronics is seeking a seasoned Windows Systems Administrator will take hands-on ownership of the ... Proven experience designing and deploying Layer 2 / Layer 3 WAN architectures, including large ...

JT4 LLC

System Administrator III

Edwards, CA · On-site

$98K - $135K/yr

JOB SUMMARY - ESSENTIAL FUNCTIONS/DUTIES The job duties of a System Administrator III include but are not limited to; deploying end user client hardware, configuring information system services ...

Photronics

System Administrator III

Allen, TX

Photronics is seeking a seasoned Windows Systems Administrator will take hands-on ownership of the ... Proven experience designing and deploying Layer 2 / Layer 3 WAN architectures, including large ...

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System Administrator 3 information

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$41K

$88.9K

$137.5K

How much do system administrator 3 jobs pay per year?

As of Jun 1, 2026, the average yearly pay for system 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 are the key skills and qualifications needed to thrive as a System Administrator 3, and why are they important?

To thrive as a System Administrator 3, you need advanced knowledge of system architecture, operating systems (such as Windows and Linux), networking, and a relevant degree or certifications like CompTIA Server+, Microsoft Certified: Windows Server, or Red Hat Certified System Administrator (RHCSA). Expertise in tools such as VMware, Active Directory, scripting languages (like PowerShell or Bash), and monitoring systems is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills make someone stand out in this role. These skills ensure the reliability, security, and efficiency of IT infrastructure, supporting critical business operations.

What are some common challenges faced by a System Administrator 3, and how can they be effectively managed?

System Administrator 3 professionals often encounter challenges such as managing complex network infrastructures, ensuring system security, and minimizing downtime. They are typically responsible for advanced troubleshooting and must stay updated on the latest technologies and security threats. Effective management of these challenges involves proactive monitoring, implementing robust backup and disaster recovery plans, and maintaining clear documentation. Collaboration with IT teams and end-users is also key to quickly resolving issues and optimizing system performance.

What are System Administrator 3s?

A System Administrator 3 is a senior-level IT professional responsible for managing, maintaining, and troubleshooting complex computer systems and networks within an organization. They oversee server environments, ensure system security and reliability, and may lead junior administrators or IT teams. Their role often includes planning system upgrades, implementing best practices, and responding to advanced technical issues. Typically, a System Administrator 3 has several years of experience and deep technical expertise in areas such as Windows, Linux, virtualization, and cloud environments.

What is the difference between System Administrator 3 vs Network Administrator?

AspectSystem Administrator 3Network Administrator
CertificationsCompTIA Server+, Cisco CCNA, Microsoft CertifiedCompTIA Network+, Cisco CCNA, Juniper JNCIA
Work EnvironmentData centers, server rooms, enterprise ITNetwork operations centers, office networks, infrastructure
Primary ResponsibilitiesServer management, system updates, troubleshootingNetwork setup, routing, switching, security
Industry UsageIT departments across various industriesTelecommunications, enterprise IT, service providers

The main difference between a System Administrator 3 and a Network Administrator lies in their focus areas. System Administrators primarily manage servers and enterprise systems, while Network Administrators focus on network infrastructure and connectivity. Both roles require similar certifications and often work in overlapping environments, but their core responsibilities differ based on their specialization.

More about System Administrator 3 jobs
What cities are hiring for System Administrator 3 jobs? Cities with the most System Administrator 3 job openings:
What states have the most System Administrator 3 jobs? States with the most job openings for System Administrator 3 jobs include:
What job categories do people searching System Administrator 3 jobs look for? The top searched job categories for System Administrator 3 jobs are:
System Administrator 3 jobs near you
Infographic showing various System Administrator 3 job openings in the United States as of May 2026, with employment types broken down into 1% As Needed, 66% Full Time, 28% Part Time, and 5% Contract. 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.
System Administrator III

System Administrator III

Phoenix Staff

Tempe, AZ

$97K - $120K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 7 days ago

Job description

Title: System Administrator III

Location: Tempe, AZ (Must be local to the Tempe, AZ area)

Type: Full-Time Permanent

Compensation: $97-120k

This position is responsible for leading the design, stability, and continuous improvement of enterprise infrastructure across both cloud and on-premises environments. The role focuses on ensuring systems are secure, scalable, and reliable while supporting business-critical operations. It also plays a key part in guiding technical teams, driving modernization efforts, and aligning infrastructure capabilities with organizational needs.

Your Role:

·     Design and deploy resilient infrastructure solutions across Windows Server, virtualization platforms, and cloud environments to support business operations.

·     Oversee enterprise virtualization platforms including Nutanix, VMware, and Hyper-V, ensuring performance, high availability, and disaster recovery readiness.

·     Manage and enhance Azure services such as IaaS, file services, and hybrid identity integrations with on-premises systems.

·     Evaluate and introduce new infrastructure technologies, aligning solutions with long-term business and IT strategies.

·     Perform capacity planning, system tuning, and lifecycle management to optimize performance and resource utilization.

·     Administer storage environments including SAN, NAS, backup systems, and cloud storage to maintain data integrity and availability.

·     Implement and maintain security controls such as access management, system hardening, and audit compliance across infrastructure systems.

·     Coordinate patching and vulnerability remediation efforts while minimizing operational disruption.

·     Provide mentorship and technical guidance to team members, promoting best practices and continuous improvement.

·     Act as an escalation point for complex infrastructure issues and lead efforts to resolve critical incidents.

·     Collaborate with cross-functional teams to deliver integrated infrastructure solutions.

·     Develop operational standards, automation strategies, and process improvements to increase efficiency and service quality.

·     Maintain core services including Active Directory, DNS, DHCP, and related systems to ensure reliability.

·     Manage secure file-sharing environments and external data exchange processes with appropriate controls.

·     Oversee backup and recovery operations to ensure critical data is protected and recoverable.

·     Create and maintain technical documentation covering architecture, configurations, and procedures.

·     Communicate technical concepts clearly to stakeholders and provide timely updates on system status and issues.

·     Own issues from identification through resolution, ensuring documentation and knowledge transfer are completed.

What you’ve got

·     Eight or more years of experience supporting and designing enterprise-level Windows Server environments.

·     Five or more years working with virtualization platforms such as Nutanix, VMware, or Hyper-V in production environments.

·     Four or more years of experience with Microsoft Azure, including cloud services, hybrid connectivity, and migrations.

·     Strong knowledge of infrastructure fundamentals including TCP/IP, DNS, DHCP, Active Directory, Group Policy, and file services.

·     Experience supporting systems tied to enterprise applications and databases such as SQL or Oracle.

·     Solid background in storage technologies, backup solutions, and disaster recovery planning.

·     Ability to define and enforce technical standards, operational processes, and best practices.

·     Demonstrated experience mentoring team members and contributing to process improvements.

·     Strong problem-solving skills with a proactive approach to identifying and preventing issues.

·     Clear communication skills with the ability to explain technical concepts to both technical and non-technical audiences.

·     Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent experience.

·     Industry certifications such as Microsoft, VMware, Nutanix, or Azure credentials preferred.

Benefits:

·     Medical, dental, and vision insurance

·     401(k) plan

To find more great tech-centric jobs, please visit www.phoenixstaff.com.