Senior Network Administrator

Job Title:

Sr. Network & Security Administrator

Job Summary

Seeking an experienced and knowledgeable Sr. Network & Security Administrator to work alongside the IT support team. This role focuses on maximizing network performance and maintaining security and integrity. Reporting directly to the Director of IT, the Sr. Network & Security Administrator will oversee all network security policies, procedures, and configurations, including data, voice, VLAN, and VPN networks, as well as firewall management and upgrades. The ideal candidate will have in-depth knowledge of networking and cybersecurity, with expertise in high-level design and planning. This individual should be comfortable collaborating on large-scale projects and completing assigned tasks independently.

Essential Duties and Responsibilities

• Implement and administer network security solutions and practices.
• Strengthen network security by establishing and enforcing policies and training staff to understand and use security protocols.
• Troubleshoot network security incidents and analyze network traffic to determine root causes.
• Plan and execute routine testing and auditing of the network to identify and address potential vulnerabilities.
• Assist in designing, developing, and maintaining secure and reliable network infrastructure.
• Configure routers, firewalls, switches, access points, and other networking hardware.
• Configure and support security monitoring tools and software.
• Maintain up-to-date, detailed IT security framework documentation and diagrams of all networks and networking equipment.
• Schedule routine maintenance windows and manage updates and security patches for all networking equipment.
• Collaborate with internal and external teams to plan secure, efficient, and reliable data communication pathways and optimize system performance.
• Interact with the IT Service Desk and Operations Support teams to assist with troubleshooting, identify root causes, and provide network support when needed.
• Perform additional duties as assigned based on changes to business needs.

Job Requirements

• Associate’s or bachelor’s degree in Networking, Network Security, or a related field.
• 5 years of experience in Network Administration, Security Administration, Network Engineering, or related positions.
• Strong understanding of IT security frameworks, standards, and guidelines, including NIST and CMMC.
• Deep knowledge of networking and security concepts.
• Strong verbal and written communication skills, attention to detail, and self-learning ability.
• Ability to travel and work a flexible schedule, including occasional evening and weekend hours.