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Senior Network Administrator Jobs (NOW HIRING)

CGI Inc.

Sr. Network Administrator

Radford, VA · On-site

Sr. Network Administrator Category: Infrastructure/Cloud Main location: United States, Virginia, Radford Position ID:J1025-2178 Employment Type: Full Time Position Description: CGI Federal is looking ...

GDIT

Senior Network Administrator

Fort Liberty, NC · On-site

$76K - $92K/yr

As a Sr. Network Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Network Admin joining our team to install, operate and maintain network infrastructure ...

InstantServe LLC

Network Administrator

Tallahassee, FL · On-site

Network Admin Location: Tallahassee, FL Job Summary The Network Administrator will be responsible ... Provide advanced technical support and serve as a senior escalation point. * Maintain high ...

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Senior Network Administrator information

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$52K

$98.1K

$139.5K

How much do senior network administrator jobs pay per year?

As of Jun 13, 2026, the average yearly pay for senior network administrator in the United States is $98,061.00, according to ZipRecruiter salary data. Most workers in this role earn between $80,500.00 and $112,500.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Network Administrator, you need expertise in network infrastructure, troubleshooting, security protocols, and typically a degree in information technology or a related field, often complemented by several years of experience. Familiarity with networking hardware, Cisco or Juniper devices, and certifications such as CCNA, CCNP, or CompTIA Network+ are highly valued. Strong analytical thinking, effective communication, and the ability to respond calmly under pressure distinguish top performers in this role. These skills ensure the reliable, secure, and efficient operation of organizational networks, minimizing downtime and protecting critical data.

What are Senior Network Administrators?

Senior Network Administrators are experienced IT professionals responsible for managing, maintaining, and securing an organization’s computer networks. They oversee network infrastructure, configure hardware and software, troubleshoot complex issues, and implement upgrades to ensure optimal network performance. In addition to technical duties, they often lead network projects, mentor junior staff, and enforce security protocols to protect data and systems. Their role is critical for ensuring reliable connectivity, supporting business operations, and safeguarding against cyber threats.

What is the difference between Senior Network Administrator vs Network Engineer?

AspectSenior Network AdministratorNetwork Engineer
CertificationsCCNA, CompTIA Network+CCNA, CCNP, Cisco certifications
Work EnvironmentNetwork management, troubleshooting, maintenanceDesign, implementation, and deployment of networks
Employer & Industry UsageIT departments across various industriesTelecommunications, large enterprises, network design firms
Common Search/ComparisonYesYes

While both roles involve network-related skills, Senior Network Administrators focus on managing and maintaining existing networks, ensuring stability and security. Network Engineers primarily design and implement new network solutions, often working on complex projects. The roles overlap in certifications and work environments, but their core responsibilities differ in scope and focus.

What are some common challenges a Senior Network Administrator faces when managing large-scale networks?

Senior Network Administrators often encounter challenges such as ensuring network security across multiple locations, managing network scalability to accommodate organizational growth, and minimizing downtime during upgrades or maintenance. They also need to stay updated with rapidly evolving technologies and troubleshoot complex issues that may impact multiple departments. Effective communication and collaboration with IT teams, vendors, and end-users are essential to address these challenges efficiently.
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Senior Network Administrator jobs near you
Infographic showing various Senior Network Administrator job openings in the United States as of June 2026, with employment types broken down into 84% Full Time, 8% Part Time, and 8% Temporary. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $98,061 per year, or $47.1 per hour.
Senior Network Administrator

Senior Network Administrator

Cortek Inc

Falls Church, VA • On-site

Contractor

Posted 5 days ago

Job description

Job Title: Senior Network Administrator
Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA 22042
Description: CORTEK is seeking a Senior Network Administrator to provide Network Operations (NetOps) support for the Bureau of Medicine and Surgery (BUMED) Headquarters. The Senior Network Administrator will be responsible for the maintenance, configuration, and security of all virtual network components and appliances. This role requires an expert-level understanding of network architecture and security policies within a DoD environment to ensure optimal performance and operational reliability.
Key Responsibilities:
  • Provide senior-level Network Operations (NetOps) support, including maintenance and configuration of the external security stack, routers, switches, hubs, and firewalls.
  • Manage and coordinate all network requirements and changes to the Med-COI zone architecture via Ports, Protocols, and Services (PPS) requests.
  • Ensure local site resources are Security Technical Implementation Guide (STIG) compliant and manage changes through a local Configuration Control Board (CCB).
  • Continually assess, reconfigure, and/or deploy systems to optimize performance and accommodate changes to network architecture or security policies.
  • Provide local Tier 1 on-site support for Local Core Infrastructure (LCI).
  • Assist the local Information System Security Officer/Manager (ISSO/ISSM) with documentation and implementation to support the Risk Management Framework (RMF) ATO process.
  • Coordinate preventive maintenance and Authorized Scheduled Interruptions (ASI) with the Defense Health Agency (DHA).
  • Maintain operational reliability near 100% for all network equipment.

Job Requirements and Experience
  • Bachelor's degree in computer science or engineering.
  • Ten (10) years of work experience and a mastery level in production network technologies.

Required Certifications: CompTIA Security+, Cisco Certified Network Associate (CCNA).
  • Must meet DoD 8570.01-M IAT-III certification requirements.
  • Extensive experience with network administration in a DoD environment, including hands-on experience with routers, switches, and firewalls.
  • Deep understanding of DoD network security, STIGs, and the RMF process.

Clearance:
  • Must be a U.S. Citizen.
  • Must possess a minimum of an active Secret security clearance.

About CORTEK: Founded in 2003, CORTEK is a distinguished Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in Chemical, Biological, Radiological, and Nuclear (CBRN) defense, Weapons of Mass Destruction (WMD) terrorism prevention, Counter-WMD (CWMD) support services, and Freedom of Information Act (FOIA)/Privacy Act support. With over a decade of experience, CORTEK has delivered mission-critical solutions to government clients, including the Department of State (DOS), Department of Homeland Security (DHS), Department of Justice (DOJ), and Department of Defense (DoD). Our proven track record includes 12 years of incumbency on DOS contracts supporting WMD threat mitigation and consequence management programs, as well as comprehensive support for the Defense Threat Reduction Agency's (DTRA) technical and strategic objectives across Physical and Biological Sciences, Engineering, Policy, and Operations. Additionally, CORTEK has provided onsite analytical support for the Department of the Army Headquarters (HQDA) at the Pentagon.
At CORTEK, relationships are at the heart of what we do. We pride ourselves on our customer-centric approach, leveraging proven management processes to deliver tailored solutions that drive client success. Our focus on excellence, innovation, and competitive value throughout the project management lifecycle makes CORTEK a trusted partner. Curious to learn more? Visit us at .
Equal Employment Opportunity (EEO) Employer: CORTEK is dedicated to fostering a diverse and inclusive workplace by hiring and retaining talented individuals from all backgrounds. We provide equal employment opportunities to all qualified applicants, regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or any other legally protected characteristic. As an EEO employer, CORTEK complies with Federal laws prohibiting job discrimination and posts notices outlining these protections in accordance with applicable regulations.
Reasonable Accommodation Requests: CORTEK is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or accommodation while seeking employment, please e-mail or call Human Resources at (727)-292-1521. We will decide on your request for reasonable accommodation on a case-by-case basis.
E-Verify: As a Federal Contractor, we are required to use E-Verify to validate employees' ability to work legally in the United States.
Pay Transparency Non-Discrimination: CORTEK will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay.
For information regarding your legal rights and protections, please click on the following link:

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