Network Administrator, Robert Half

Robert Half

Location:
United States, Washington, District of Columbia

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

As a Network Administrator, you'll be tasked with providing technical support for our LAN/WAN network. Your extensive knowledge in IT operations, cloud technologies and networking will be essential in maintaining network functions and ensuring efficient operations.

Job Responsibility:

Monitor the performance and availability of network devices using tools such as Nagios and Splunk
respond to network alerts, investigate issues, and escalate them to senior engineers for resolution as necessary
troubleshoot network connectivity and device performance issues to ensure prompt resolution
support the administration of Cisco Prime for device monitoring and management
assist in configuring and maintaining network device settings using Cisco Prime
generate performance reports and device health summaries using Cisco Prime tools
help configure and maintain Cisco Identity Services Engine (ISE) for network access control, security policies, and guest-management settings
support the enforcement of network security segmentation and policies to ensure a safe operating environment
perform basic network security tasks like firmware upgrades, patch management, and configuration backups
document network configurations, infrastructure changes, and troubleshooting steps for internal record-keeping
generate detailed reports on network performance, uptime, and security incidents for the IT team and management
update network diagrams and documentation to reflect infrastructure adjustments

Requirements:

Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field
equivalent certifications or experience may be accepted in place of a degree
1–2 years of experience in network administration or IT support, with hands-on exposure to network monitoring tools and technologies
basic experience with network monitoring tools such as Nagios and Splunk
familiarity with Cisco Prime for device monitoring and management
understanding of Cisco Identity Services Engine (ISE) for network access control and security policies
strong knowledge of network protocols (e.g., TCP/IP, DNS, DHCP, SNMP, HTTP)
solid understanding of network security tools and best practices
ability to diagnose and troubleshoot basic network issues, escalating complex problems to senior engineers as required
excellent verbal and written communication skills, with the ability to collaborate across IT teams and create detailed documentation

Nice to have:

Familiarity with wireless networking and Cisco wireless solutions
basic knowledge of firewalls, VPNs, and general network security practices
exposure to cloud networking and integration with platforms such as AWS or Azure
certifications such as Cisco Certified Network Associate (CCNA) or CompTIA Network+

What we offer:

Medical insurance
vision insurance
dental insurance
life and disability insurance
eligibility to enroll in company 401(k) plan
free online training

Additional Information:

Job Posted:
May 03, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Network Administrator