Network Security Analyst

Lennox International•Richardson, TX

23h•Onsite

About The Position

The Network Security Analyst position will act as a first-level escalation point for concerns involving firewall access requests, network troubleshooting, and VPN issues. The analyst will be responsible for initial response to incidents involving client VPN and troubleshooting firewall issues.

Requirements

2 to 3 years of experience administering enterprise class NextGen firewalls.
Associates degree in related field or equivalent experience required.
Basic understanding of malware (computer viruses, worms, spyware, ransomware, etc.) and associated risk mitigation techniques.
Strong understanding of next generation firewall technologies; Palo Alto experience.
Strong understanding of the uses and associated cyber security risks of well-known network ports and protocols such as SSL, HTTP, DNS, SMTP, FTP, SSH, IPsec, etc.
Understanding of threat mitigation profiles and configuration in next generation firewalls.
Ability to interpret and understand firewall traffic and threat logs.
Ability to troubleshoot network connectivity and application problems.
Knowledge of computer network routing and switching fundamentals.
Familiarity of Windows Server 2008/2012/2019 and Windows 10.
Familiarity of current threats and trends in Cyber Security.
Basic understanding of cyber security frameworks (e.g., NIST, zero trust).

Nice To Haves

One or more of the following certifications is preferred: (ISC)2 SSCP, CompTIA Security+, Palo Alto PCNSA/PCNSE, SANS GSEC, or Cisco CCNP Security.

Responsibilities

Act as a first-level escalation point for concerns involving firewall access requests, network troubleshooting, and VPN issues.
Be responsible for initial response to incidents involving client VPN and troubleshooting firewall issues.
Design and implement approved firewall change requests in accordance with established guidelines.
Perform operational checks of the firewalls to ensure optimal operation.
Conduct periodic review of firewall policies to identify and remove any unused, duplicate, or expired objects and/or rules through change management.
Troubleshoot network connectivity issues involving systems, applications, and services.
Initiate the RMA of faulty firewall equipment.
Work closely with the security engineering team to implement security enhancements and/or mitigate identified security gaps.
Assist with firewall updates, and operating system upgrades.
Assist with troubleshooting client VPN connectivity issues.