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How much do system administrator level 3 jobs pay per year?

As of Jun 7, 2026, the average yearly pay for system administrator level 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 Level 3 job?

A System Administrator Level 3 is a senior IT professional responsible for managing, troubleshooting, and optimizing an organization's IT infrastructure. They handle advanced system configurations, security protocols, and network administration while also mentoring junior administrators. Their duties often include server maintenance, cloud integration, disaster recovery planning, and ensuring system availability. Strong expertise in operating systems, scripting, virtualization, and cybersecurity is required.

What are the key skills and qualifications needed to thrive in the System Administrator Level 3 position, and why are they important?

A System Administrator Level 3 requires advanced expertise in operating systems (Windows, Linux), networking, server hardware, virtualization, and scripting, usually backed by a bachelor's degree and several years of professional experience. Familiarity with tools like VMware, Active Directory, PowerShell, cloud platforms (AWS, Azure), and certifications such as Microsoft Certified: Azure Administrator or CompTIA Server+ are highly valued. Strong problem-solving abilities, effective communication, and the capacity to manage high-pressure situations distinguish top performers. These competencies ensure critical systems remain available, secure, and scalable to support business operations.

What are some typical daily responsibilities for a System Administrator Level 3?

As a System Administrator Level 3, your daily tasks often include configuring and maintaining servers, monitoring system performance, troubleshooting complex technical issues, and deploying system updates or security patches. You will frequently collaborate with IT teams to architect new solutions and ensure high system availability and data integrity. Additionally, you'll handle escalated support tickets that demand advanced troubleshooting skills and may mentor junior administrators. This role requires both hands-on technical work and strategic planning to maintain a secure and efficient IT environment.

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System Administrator Level 3 jobs near you
System Administrator (SA) - Level 3 with Security Clearance

System Administrator (SA) - Level 3 with Security Clearance

NineFX, Inc.

Fort George G Meade, MD

Contractor

Posted 22 days ago

Job description

The Opportunity NineFX is seeking an experienced System Administrator Level 3 to support implementation, troubleshooting, security hardening, and maintenance of mission critical IT systems. This role involves Linux administration, patching, compliance support, monitoring, automation, and Tier 1/Tier 2 escalation in a highly secure environment. The System Administrator will support system operations across Linux, UNIX, and Windows platforms, ensuring reliability, performance, and compliance with agency standards. What You’ll Do Linux Administration & Security
• Patch and update Linux distributions based on security findings
• Add/remove users and manage permissions to meet privilege requirements
• Monitor system health and status using tools such as Nagios
• Work with STIGs and address vulnerabilities, including STE/STN findings
• Renew Linux server certificates and implement updates to TLS security versions
• Support ISSOs during Security Control Assessments (SCA), including review of 400+ SCTM controls Automation, Documentation & Virtualization
• Use Ansible to automate updates, patching, and configuration tasks
• Update SOPs and technical documentation in Confluence General System Administration
• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution
• Support daily IT system operations, monitoring, and problem resolution across client/server, storage, network, and mobile devices
• Configure and manage Linux, Windows, and UNIX operating systems
• Install and load OS software and patches to maintain compliance
• Maintain integrity and configuration of network components and implement OS enhancements for performance and reliability
• Support system design, mission architecture, and associated hardware
• Support implementation, troubleshooting, and maintenance of IT systems
• Manage daily configuration and operations of enterprise systems
• Assist users with system access and technical use
• Provide Tier 1 & Tier 2 problem identification, diagnosis, and resolution
• Optimize system operations and resource utilization
• Perform capacity analysis and planning
• Provide in depth troubleshooting and analysis of escalated issues
• Support escalation communications with agency management and internal customers
• Support dispatch system and hardware problem resolution
• Analyze and resolve complex issues involving server hardware, applications, and software integration
• Understand interdependencies as part of a Service Oriented Architecture (SOA) What You’ll Bring Required Qualifications
• Active TS/SCI with Full Scope Polygraph (FS Poly) (no exceptions/no sponsorship)
• Fifteen (15) years of experience as a System Administrator supporting programs of similar scope, type, and complexity
• Bachelor’s degree in a technical discipline
• OR five (5) additional years of SA experience may substitute for a degree
• Experience with VMware is helpful • HUBZone residency preferred (check eligibility: https://maps.certify.sba.gov/)

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