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System Administrator Level 3 Jobs (NOW HIRING)

Independent Software

As a System Administrator Level 1 at Independent Software, you will support mission‑critical Linux environments within secure Department of Defense and Intelligence Community networks. You will be ...

CompTech Computer Technologies

Overview CompTech Computer Technologies is seeking an experienced System Administrator - Level III to provide advanced systems administration and infrastructure support in support of the Defense ...

G2IT

SharePoint Administrator (Level 3)

Suitland, MD · On-site

SharePoint Administrator (Level 3) G2IT is seeking an experienced SharePoint Administrator (Level ... information systems management with a specific focus on SharePoint administration, cloud ...

CompTech Computer Technologies

Overview CompTech Computer Technologies is seeking an experienced System Administrator - Level III to provide advanced systems administration and infrastructure support in support of the Defense ...

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

As of Sep 13, 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?

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 typical daily responsibilities of 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.

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

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.

Do system administrators level 3 make good money?

System Administrator Level 3 roles typically offer higher salaries than entry-level positions due to advanced skills and experience, often ranging from $70,000 to over $100,000 annually depending on location and industry. They are responsible for complex network management, security, and system troubleshooting, often requiring certifications like CompTIA Server+ or Cisco CCNA. Compensation can vary based on the size of the organization and specific technical expertise.
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System Administrator Level 3 jobs near you
Infographic showing various System Administrator Level 3 job openings in the United States as of September 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $88,927 per year, or $42.8 per hour.

System Administrator Level 3 with Security Clearance

Fort George G Meade, MD • On-site

Tensley Consulting, Inc.
Guided Missile and Space Vehicle Manufacturing • 51 - 200 employees
Learn more about Tensley Consulting, Inc.external

$145K - $165K/yr

Other

Re-posted 3 hours ago

Job description

The Level 3 System Administrator (SA) shall possess the following capabilities: Quantifiable Linux SA work experience Ansible scripting Some Windows SA work ProxMox Centrify Harvester Rancher Kubernetes / Docker Other HCI (Hyperconverged Infrastructure) solution (Azure Stack HCI, Cisco HyperFlex Systems, DataCore SANsymphony, Dell VxRail Hyperconverged Infrastructure, HPE SimpliVity, Nutanix Hyperconverged Infrastructure (HCI), NetApp HCI, Scale Computing Platform (SC Platform) Qualifications: Fifteen (15) years' experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional Systems Administration experience may be substituted for a bachelor's degree. Salary Range: $145,000-$165,000. This represents the typical salary range for this position, but is not guaranteed. Salary is based on experience, location and contractual requirements which could fall outside of the range listed.

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