Network Administrator

Description Key Responsibilities + Configure, deploy, and support enterprise network infrastructure, including switches, routers, firewalls, wireless controllers, access points, and SAN technologies + Administer and support both physical and virtual server environments + Configure and manage enterprise‑grade firewalls, including routing, VPNs, encryption, and security policies following industry best practices + Monitor network performance and availability using tools such as SolarWinds, Servers Alive, and FortiCloud + Perform troubleshooting, root cause analysis, and issue resolution across complex Layer 2/3 and physical network topologies + Apply firmware updates, security patches, and system upgrades to critical infrastructure + Develop and maintain detailed documentation related to network topology, configurations, changes, patching, and service records + Evaluate network architecture and performance impacts to applications and end‑user experience + Collaborate with vendors and service providers, documenting findings, recommendations, and resolutions + Ensure compliance with data confidentiality policies and applicable state and federal regulations Requirements Required Knowledge & Skills + Strong understanding of TCP/IP networking, including VLANs, STP, static/dynamic routing + Knowledge of redundancy and high‑availability technologies (LAG, LACP, failover automation) + Experience diagnosing issues across complex switching and routing environments + Familiarity with VoIP technologies (Cisco Call Manager, Unity, CER, SIP, Webex, Teams) + Experience with VMware and virtualized infrastructure environments + Working knowledge of hybrid Active Directory environments and security concepts + Understanding of certificate management, backups, and system restoration + Strong documentation, communication, and vendor‑coordination skills + Ability to work independently and collaboratively in a team environment Education & Experience + Bachelor's degree in Computer Science or related discipline (or equivalent combination of education and experience) + Industry certifications preferred (Network+, Security+, CCNA, or equivalent) + 3-5 years of hands‑on experience supporting enterprise networking technologies, including: + Switching + Routing + Firewalls + Wireless Technology Doesn't Change the World, People Do.® Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles. Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more. All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information. © 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking "," you're agreeing to Robert Half's Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .