Network Systems Administrator

Description

About the Role

Robert Half is seeking a skilled and adaptable IT Infrastructure & Network Administrator for our clients in the Madison area. This position requires a well-rounded individual with hands-on experience across virtualization, operating systems, endpoint support, and network configuration. You'll play a key part in maintaining uptime, security, and performance across the organization's digital ecosystem.

This is a Direct/Permanent Hire role that will require a hybrid work schedule.

Key Responsibilities

• Design and maintain virtualized environments using container-based and VM technologies, ensuring high availability and performance across clustered systems.
• Administer identity and access management policies using centralized user authentication tools.
• Configure, support, and troubleshoot network devices, including switches, routers, and wireless equipment.
• Oversee connectivity for both on-site and remote users, including VPN access and remote endpoint configuration.
• Conduct routine diagnostics to resolve system outages and connectivity disruptions.
• Perform updates, manage system health, and troubleshoot issues within both Windows and Linux server environments.
• Reinforce system security using layered protections, user training, and device-level safeguards such as firewalls and endpoint defense tools.
• Track system metrics and analyze network traffic to ensure peak performance and preempt potential bottlenecks.
• Deliver mid- to advanced-tier support for workstation and mobile technologies, including cross-platform environments (Windows, macOS, iOS, Android).
• Maintain documentation for processes, resolutions, and changes to the environment.
• Collaborate with technical teams and stakeholders on ongoing improvement initiatives.
• Assist with phone system configuration and support for VoIP technologies.
• Take on additional responsibilities as needed in support of operational goals.

Requirements

Qualifications

• Associate degree in a related discipline, certifications, or equivalent professional experience.
• Demonstrated experience administering and scaling complex infrastructure environments.
• Proficiency in user and policy administration within centralized directory frameworks.
• Hands-on knowledge of virtual hosting platforms (e.g., cluster-based virtualization with VM/container support).
• Familiarity with enterprise-grade firewalls and network security devices.
• Strong understanding of core network services and protocols (e.g., IP addressing, DNS, DHCP, VLANs).
• Experience supporting and maintaining both Linux and Windows server environments.
• Proficient in configuring and supporting remote access tools and encrypted connection methods.
• Exposure to VoIP platform management and user provisioning.
• Able to provide technical support across a range of hardware, operating systems, and software tools.
• Competent in productivity tools such as spreadsheets, word processors, and email platforms.
• Excellent troubleshooting, multitasking, and interpersonal communication skills.

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 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 "Apply Now," you're agreeing to Robert Half's Terms of Use.