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Network System Admin Jobs (NOW HIRING)

Network System Administrator

El Segundo, CA

$74K - $100K/yr

The Network/System Administrator (NSA) -III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) and other classified networks supporting SSC ...

The Network/System Administrator (NSA) -III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) and other classified networks supporting SSC ...

Network Systems Admin III Duration :6 Month Contract Location : Overland Park, KS Monthly: $ 9000 ... Perform Tier 2-3 System Admin support and troubleshooting functions for Managed Services customer ...

The successful candidate will have a strong foundation in secure network architecture, system ... Help to administer and support Windows Active Directory, Azure Active Directory, and Office 365 ...

Troubleshoot network & system issues * Monitor active network and server infrastructure * Perform routine preventative maintenance on equipment * Administer network security measures to prevent ...

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Network System Admin information

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$44K

$83.1K

$119K

How much do network system admin jobs pay per year?

As of Jun 20, 2026, the average yearly pay for network system admin in the United States is $83,055.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $94,500.00 per year, depending on experience, location, and employer.

What is the difference between Network System Admin vs Network Engineer?

AspectNetwork System AdminNetwork Engineer
CertificationsCompTIA Network+, Cisco CCNACCNP, Cisco CCIE
Work EnvironmentMaintains and supports existing networksDesigns and implements new network solutions
Primary FocusNetwork stability and troubleshootingNetwork architecture and development
Employer UsageIT departments across various industriesTelecom, large enterprises, network service providers

While both roles involve network infrastructure, Network System Admins focus on maintaining and troubleshooting existing networks, ensuring smooth operations. Network Engineers, on the other hand, design and implement new network solutions, often working on larger projects. Both roles require similar certifications and are essential in IT environments, but their core responsibilities differ in scope and focus.

What does a network systems administrator do?

A network systems administrator manages and maintains an organization’s computer networks, including servers, switches, and routers. They troubleshoot network issues, ensure security protocols are in place, and often use tools like network monitoring software, requiring knowledge of network protocols and certifications such as CompTIA Network+ or Cisco CCNA.

Is sysadmin entry level?

A network system administrator role is typically not entry-level and usually requires several years of experience in networking, systems, or related fields. Entry-level positions in IT may be labeled as help desk or support technician, while sysadmin roles often demand knowledge of operating systems, scripting, and network protocols, along with relevant certifications like CompTIA Network+ or Cisco CCNA.

What is a Network System Admin?

A Network System Admin, or Network Systems Administrator, is a professional responsible for managing, maintaining, and securing an organization’s computer networks and related systems. They ensure that network hardware and software run efficiently, troubleshoot issues, and implement upgrades or security measures as needed. Network System Admins also monitor network performance, manage user access, and may assist with disaster recovery planning. Their role is critical in keeping an organization's communication and data systems operational and secure.

How much does a sysadmin earn?

A network system administrator's salary varies based on experience, location, and certifications, but the median annual wage in many regions ranges from $60,000 to $85,000. Entry-level positions typically start lower, while experienced sysadmins with certifications like Cisco or Microsoft can earn higher salaries, especially in organizations with complex network environments.

What are some common challenges Network System Admins face when managing both on-premises and cloud-based infrastructure?

Network System Admins often encounter challenges when integrating and maintaining both on-premises and cloud-based systems. Ensuring consistent security policies, managing hybrid network connectivity, and troubleshooting issues that span multiple environments can require advanced technical skills and careful coordination. Additionally, staying updated on best practices for both traditional and cloud systems is essential to minimize downtime and ensure smooth operations. Collaborating with other IT teams and vendors is also crucial for addressing complex incidents efficiently.

What is a typical sysadmin salary?

A Network System Administrator's salary varies based on experience, location, and certifications, but typically ranges from $50,000 to $90,000 annually. Entry-level positions may start lower, while experienced admins with skills in network security and cloud management can earn over $100,000. Salary also depends on the size of the organization and the complexity of the network environment.

What are the key skills and qualifications needed to thrive as a Network System Admin, and why are they important?

To thrive as a Network System Admin, you need a solid understanding of networking protocols, system administration, troubleshooting, and often a degree in computer science or a related field. Familiarity with network management tools (like Cisco IOS, SolarWinds), operating systems (Windows, Linux), and certifications such as CompTIA Network+ or Cisco CCNA are typically required. Strong analytical thinking, attention to detail, and effective communication help you excel at diagnosing issues and supporting users. These skills and qualifications are crucial for maintaining network reliability, security, and seamless business operations.
More about Network System Admin jobs
What cities are hiring for Network System Admin jobs? Cities with the most Network System Admin job openings:
What states have the most Network System Admin jobs? States with the most job openings for Network System Admin jobs include:
Infographic showing various Network System Admin job openings in the United States as of June 2026, with employment types broken down into 9% As Needed, 18% Full Time, and 73% Part Time. Highlights an 78% Physical, 2% Hybrid, and 20% Remote job distribution, with an average salary of $83,055 per year, or $39.9 per hour.
Network System Administrator

Network System Administrator

MANTECH

El Segundo, CA

$74K - $100K/yr

Other

Posted 15 days ago


ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

32nd of 191 rated software companies


Job description

MANTECH seeks a motivated, career and customer-oriented Network/System Administrator (NSA) -III to join our team in El Segundo, CA.

The Network/System Administrator (NSA) -III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) and other classified networks supporting SSC Directorates and/or AFSPC Operational Units. This role supports day-to-day operations for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities in a five-day-a-week, in-office environment.

Responsibilities include but are not limited to:

  • Install, maintain, audit, and support a secure MS Windows network environment, file servers, firewalls, and network access while troubleshooting anomalies to ensure optimum performance.
  • Maintain internet applications and protocols including IP, TCP, HTTP, HTTPS, FTP, and SSL.
  • Interface directly with local customers and IT staff to provide technical guidance and quickly resolve network or desktop support issues.
  • Perform periodic system maintenance, hardware upgrades and replacements, firmware updates, and system configuration changes.
  • Manage the scheduled data backup library, including executing tape backups and arranging safe storage at customer locations or off-site facilities.
  • Prepare systems for operational use, support operational tests, and attend planning and requirements meetings with program managers and stakeholders.
  • Must meet position and certification requirements outlined in DoD Directive 8570.01-M for Information Assurance Technician Level 2 (IAT Level II) within 6 months of hire (e.g., Security+ CE, CCNA, CySA+, CND).

Minimum Qualifications:

  • Bachelor’s degree in a related technical area; an additional 4 years of related experience might be substituted for a degree.
  • 6+ years of total related experience
  • 4+ years of relevant SCI or SAP experience.

Preferred Qualifications:

  • Thorough knowledge of Microsoft Windows Server (2000/2003/2007), Microsoft Exchange Server 2003, and Windows XP/Vista operating systems administration and associated hardware.
  • Applicable Windows professional certifications based on OS requirements for the supported organization.
  • Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies, data backup systems, and communication security (COMSEC) integration.
  • Working knowledge of JAFAN 6/0, DCID/JAFAN 6/3, DCID/JAFAN 6/9, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards, Common Criteria, and System Security Policy as they relate to C&A for legacy systems.
  • Experience with PL1 & PL2 systems, familiarity with PL3 & PL4 cross-domain solutions, and deep familiarity with security policies, manual ICDs, JAFANs, and DoD Manuals.

Clearance Requirements:

  • An active Top Secret clearance with SCI eligibility is required to start.
  • Applicants must be eligible for access to Special Access Programs (SAPs).
  • Must have a willingness to submit to a Counterintelligence polygraph examination.

Travel:

This role requires regular travel within the organizational Area of Responsibility, which may include both air and ground transportation.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time in closed-area offices.
  • Must be able to lift up to 50 pounds.
  • Need to occasionally move about inside and outside the office to access files, cabinets, or safes, and to install or remove computer-related equipment.

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