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System Administrator 3 Jobs (NOW HIRING)

Saalex

$100K - $170K/yr

Saalex Corporation is seeking multiple System Administrator III in Tidewater, VA and San Diego, CA. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test ...

Saalex

$100K - $170K/yr

Saalex Corporation is seeking multiple System Administrator III in Tidewater, VA and San Diego, CA. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test ...

Saalex

System Administrator III

San Diego, CA · On-site

$100K - $170K/yr

Saalex Corporation is seeking multiple System Administrator III in Tidewater, VA and San Diego, CA. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test ...

Saalex

System Administrator III

San Diego, CA · On-site

$100K - $170K/yr

Saalex Corporation is seeking multiple System Administrator III in Tidewater, VA and San Diego, CA. Saalex Corp., is an Engineering and Information Technology Services company with a focus on Test ...

Onward Energy

System Administrator III

Denver, CO · On-site

$110K - $130K/yr

System Administrator III Reports To: Director Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time Location: Denver, CO (Hybrid) The Company Onward ...

Onward Energy

System Administrator III

Denver, CO · On-site

System Administrator III Reports To: Director - Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time Location: Denver, CO (Hybrid) The Company ...

Onward Energy

System Administrator III

Denver, CO · On-site

System Administrator III Reports To: Director Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time Location: Denver, CO (Hybrid) The Company Onward ...

JS Consulting

System Administrator III

Bridgeton, MO · On-site

Job Title- System Administrator III Project Location - Onsite in Bridgeton, MO Duration- Full-time Status- Must be a US citizen. Benefits- PTO, Holiday Pay, Healthcare, Profit-Sharing, Tuition ...

Onward Energy

System Administrator III

Denver, CO · On-site

System Administrator III Reports To: Director Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time Location: Denver, CO (Hybrid) The Company Onward ...

Onward Energy

System Administrator III

Denver, CO

System Administrator III Reports To: Director Technology Services Direct Reports: No Functional Unit: IT FLSA Status: Exempt Position Type: Full-Time Location: Denver, CO (Hybrid) The Company Onward ...

Dcode Talent LLC

System Administrator 3

Richmond, VA · On-site

System Administrator 3 Location: 202 North 9th Street Richmond, VA 23219 Duration: 06/01/2026 & End Date: 12/04/2026 Position Overview The Virginia Office of the Attorney General (OAG) seeks 2 ...

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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 Sep 13, 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 is a system administrator 3?

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 are the key skills and qualifications needed to thrive as a system administrator 3?

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 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.

Is a system administrator 3 a high paying job?

A System Administrator 3 typically holds a senior-level position that offers higher salaries compared to entry-level roles, reflecting increased responsibilities and expertise. Compensation varies by industry, location, and organization size, but it generally falls within the higher range for IT support and infrastructure roles. Certifications like CompTIA Server+ or Cisco CCNA can enhance earning potential in this role.
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System Administrator 3 jobs near you
Infographic showing various System Administrator 3 job openings in the United States as of September 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $88,927 per year, or $42.8 per hour.

System Administrator 3 with Security Clearance

Annapolis Junction, MD • On-site

Avid Technology Professionals
IT Services • 51 - 200 employees
Learn more about Avid Technology Professionalsexternal

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Re-posted 21 days ago

Job description

Avid Technology Professionals System Administrator 3 * Annapolis Junction, MD wAWS cloud resources, including EC2, S3, VPC, IAM, and other core services. wSaltStack, Ansible, Bash and Python  wWindows Server 2019 and 2022 environments, Linux distributions (e.g., RHEL8/9, Amazon Linux 2023) within AWS. Apply Now More Openings * System Administrator 3 * Annapolis Junction, MD * System Administrator 3 * Annapolis Junction, MD * System Administrator 3 * Annapolis Junction, MD * Systems Administrator 3 * Laurel, MD * System Engineer 3 * Annapolis Junction, MD Share This Job

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