Network Administrator Job Descriptions, Average Salary, Interview Questions

What Does a Network Administrator Do?

A network administrator usually maintains the essential hardware of a company’s network, such as cables, hubs, switches, routers, servers, and clients, plus networking software like operating systems, memory backup, and email servers. They are also in charge of installing updates to software and troubleshooting system issues.

A network administrator needs to stay abreast of the latest changes in technology, to maintain the most efficient system for their company. Also, it’s up to the network administrator to decide how and when to change cable configurations, and nomenclature for various servers, computers, and network systems, and determine what equipment or software needs to be purchased when it comes time to upgrade the network.

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National Average Salary

Network administrator salaries vary by experience, industry, organization size, and geography. To explore salary ranges by local market, please visit our sister site

The average U.S. salary for a Network Administrator is:


Network Administrator Job Descriptions

Example 1

The Network Administrator is responsible for administering and monitoring ABC Company’s network to ensure stable operation of the organizations network, systems, and hardware. This position is responsible for the deployment and security of the infrastructure including configuration and support of network servers, directory services, backup and recovery, network security, mobility, endpoints, and security monitoring, and tuning. The Network Administrator also ensures the appropriate availability and provisioning of resources in a virtual server environment and associated storage area network.


  • Day-to-day network administration including security and patch management, user account management, Google Suite management, Internet access, and applications support
  • Proactively manage, maintain, and optimize server, network, and firewall systems
  • Administer and support Core Microsoft, Cisco, and VMWare technologies
  • Administer and support CrowdStrike Endpoint Security Management software
  • Actively monitor and proactively address alerts encountered by users and automated monitoring systems
  • Make timely upgrades and repairs to ensure systems are operating optimally
  • Assign and update user security permissions on the network
  • Ensure email and data storage networks work optimally and user workstations are working efficiently and remain connected to the central computer network
  • Install and configure network hardware and software
  • Maintain inventory and configuration documentation
  • Define and document best practices and support procedures; Train users in the proper use of hardware and software. Interact with vendors and team members at the technical level, as required
  • Implement and enforce all cyber security policies and procedures
  • Application of HIPAA rules and regulations to work tasks at all times
  • Research and recommend current and future technology resources, purchases, and services to meet the organization’s needs as requested. Assist in analyzing design and network models as needed. Participate on committees/task forces as requested
  • Participate in an afterhours rotating call schedule
  • Regular attendance and punctuality for scheduled shifts
  • Must adhere to safety protocols at all times
  • Implement ABC Company Standards of Behavior and exhibit behaviors consistent with ABC Company core values
  • Performs other related duties as assigned by the department Director

Type: Full Time


Minimum Qualifications: Advanced networking skill in organizing, installing, and supporting an organization’s computer network, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems. Advanced analytical skill when evaluating networks and systems to make sure that they perform reliably and to anticipate requirements as customers’ needs change. Advanced security knowledge.

Ability to describe problems and their solutions to non-IT workers. Ability to use analysis and critical thinking in order to assess processes and recommend effective and efficient solutions. Experience working well independently and in a team setting. Excellent problem solving and relationship building. Ability to work on many problems and tasks at the same time. Ability to quickly resolve problems. Ability to adapt procedures, processes, tools, equipment, and techniques to accomplish the requirements of the position.

Education and/or Experience: Bachelor’s degree in a field related to computer or information science. Four (4) years of experience in a network administration. VMWare administrator experience preferred. Significant years of direct network administration work experience and certifications may be considered in lieu of degree.

Certifications, Licenses, Registrations: CompTia Network +, CompTia Security+, and Cisco CCNA certification preferred.

Safety-Sensitive Position: This position requires respirator and fit testing. Required testing will be performed on all team members at risk for exposure to airborne infectious diseases, droplet producing procedures, or any caustic chemicals.

Example 2

Position summary:

The Network Systems Admin should be a self-motivated individual able to provide ongoing day-to-day support to the Network Systems Team, with the ability to focus on the security, reliability and efficiency of the ABC Company network. In addition, the successful Network Admin candidate should be able to manage project based activities including the tracking, scheduling, design, and implementation of hardware, software, and operating system upgrades.

The Network Systems Admin will act as the team-lead overseeing the daily tasks of the Network System Team.

The normal work week will be between the hours of 8:00AM and 5:00PM, Monday through Friday although, on rare occasions, the candidate will be required work off-hours on critical issues.

This is on on-site position located at the ABC Company Distribution complex in (City, State).

Major duties and responsibilities:

  • Performs routine maintenance and support for Microsoft Windows Server operating systems
  • Performs system application upgrades and migrations
  • Deploys, monitors, and maintains network equipment
  • Provides technical support to company users
  • Creates and maintains deployment and support documentation
  • Works with developers to deploy applications and resolve issues
  • Works closely with the Enterprise IT Team on projects, system support, network monitoring, and other duties as assigned

Job requirements:

  • 3+ years of verifiable experience in a similar role
  • Good written and verbal communication skills
  • Experience deploying, troubleshooting, and maintaining Windows Servers including Active Directory in an enterprise environment
  • Experience supporting virtualization and storage technologies, firewalls, and disaster recovery solutions

Education and experience:

  • Bachelor’s Degree in Information Systems or equivalent experience

Example 3


Major manufacturing company located in (State), is seeking a Network Administrator. The ideal candidate must have at least 2 years experience working in a Windows environment. ABC Company is the avenue to “get your foot in the door!” We help great people find great jobs! Apply today to learn more!


  • Assist colleagues with all IT issues
  • Diagnose and resolve technical hardware and software issues
  • Manage and monitor internal assets to ensure accurate inventory records
  • Work with the IT Manager to maintain, upgrade, and install hardware and software as needed
  • Work alongside parent company and support subsidiary company on various projects as needed
  • Create accounts and configure hardware as part of the onboarding process for new hires
  • Provide support to various pieces of equipment, including VoIP system, switches, wireless AP’s, etc.


  • Ability to communicate technical information, both verbal and written, to end-users
  • Experience in supporting Windows 10, Windows Server, Mac OS, Web Apps, MS Office, Database knowledge, IT protocols, Spiceworks
  • Experience in supporting and configuring Active Directory
  • Excellent time management skills and the ability to effectively prioritize tasks/projects
  • 2 years of experience working in Windows
  • Strong customer service and troubleshooting skills

Sample Interview Questions

  • Tell me about yourself.
  • What sparked your interest in working as a network administrator?
  • Why do you think you would be a good fit for our company?
  • What do you like most about network administration?
  • What area of network administration has been the most challenging for you?
  • What types of networks have you had the most experience working with?
  • Are you familiar with workgroups? Domains?
  • What training have you received in network administration?
  • How do you manage your time when working on multiple projects at once?
  • How do you communicate with coworkers who do not have the technical understanding you have?
  • How has your previous position prepared you for this job?
  • How do you stay up to date with the most recent technological advances in the field?

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