Senior Network Administrator

Job Description

Senior Network Administrator

A Senior Network Administrator manages the organization’s IT network infrastructure. Responsibilities include ensuring network performance, availability, and security. Key tasks involve configuring and maintaining network hardware such as routers, switches, and firewalls. They also handle communication protocols, security policies, and user access

ESSENTIAL DUTIES AND RESPONSIBILITIES

Deploy, maintain, and troubleshoot the organization’s network infrastructure (including devices from Cisco, Palo Alto, and Meraki).

Monitor network performance, analyze traffic, and provide capacity planning solutions.

Interface with vendor support services during outages or system performance issues.

Manage security and ensure compliance through vulnerability scans and patch management

Maintain firewall rules and VPN tunnels

Performs troubleshooting and assists others as required. As such, leads problem-solving efforts often involving outside vendors and other support personnel and/or organizations.

Ensures high availability and acceptable levels of performance of mission critical network environment.

Partner with IT Security in the design, development, maintaining and enforcing procedures are followed to maintain security and protect network environment

Provides security engineering input and support through the use of firewalls, IDS/IPS, various proxy gateway and other network security devices to provide in–depth protection from cyber security threats

Oversee communication between servers

Ensuring confidentiality, availability and integrity of network hardware and software components that provide fault tolerance, load balancing and security of data utilizing network techniques.

Participates in project meetings and acts as the senior Network SME to all facets of the business and IT.

Follows and upholds the change management process to protect network from unauthorized or untested changes from occurring which can bring down or destabilize the network infrastructure.

Protect the company’s assets and financial information by ensuring the accuracy and effectiveness of internal control procedures and informing management and/or appropriate officials of potential fraud risk.

This position will require the individual to be on a on-call schedule.

QUALIFICATIONS

Bachelor’s degree in software engineering or a related field or equivalent experience

Minimum 5 years’ experience

Current CCNP, CCNA, MCSE, and CompTIA Network+

certification required

Strong working knowledge of the following

Routing and Switching, Security, Wireless, Data Center

Cisco Network Routers – Cisco IOS

Virtual Private Networks (VPN)

Network cabling – Punch downs, cross connects, and patch panels

Wireless Access Points

Wireless Access Controllers

VOIP Management and configuration

Cisco LAN architecture includes Ethernet, STP, VTP, VLANs, QoS, etc.

Must be familiar with most of the following

Managing and configuring a zero-trust environment

Managing and configuring/maintain network monitoring software

WAN accelerators

IDS/IPS

SD-WAN

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Full-time