Network Security Analyst

Lennox International•Richardson, TX

1d•$99,000 - $130,200•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. This role is a full-time employment opportunity. Some weekend and/or after-hours work may be required to assist high severity security issues. The analyst will be responsible for initial response to incidents involving client VPN and troubleshooting firewall issues.

Requirements

Good understanding of malware (computer viruses, worms, spyware, ransomware, etc.) and associated risk mitigation techniques.
Strong understanding of next generation firewall technologies; Palo Alto experience required.
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 threat mitigation profiles and configuration in next generation firewalls.
Strong intrusion detection / prevention system (IDS/IPS) knowledge.
Ability to interpret and understand firewall traffic and threat logs.
Ability to troubleshoot network connectivity and application problems.
Strong understanding of computer network routing and switching fundamentals.
Familiarity of Windows Server 2008/2012/2019 and Windows 11
Familiarity of the Linux operating system.
Familiarity of current threats and trends in Cyber Security
Basic understanding of cyber security frameworks (e.g., NIST, zero trust)
Familiarity with industry data security, privacy, and regulatory standards.
5 Years of relevant experience with 2-3 years of experience managing and configuring Palo Alto NextGen Firewalls.
3 years of experience working with Windows operating systems
1-2 years of experience using ssh connectivity tools such as Putty
Associates degree in related field or equivalent experience required.
Excellent communication skills, both written and verbal required.
Some experience working in environments that have Change Control processes
Self-starter and able to work with minimal supervision.
Ability to work individually and as part of a team.
Ability to be flexible and work after business hours to support IT changes or troubleshoot issues
Ability to work in the office 5 days a week
Willingness to learn new technologies and platforms in the IT Security space

Nice To Haves

Preferred ability to lift 25lbs
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

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.
Assist IT teams in troubleshooting network connectivity issues involving systems, applications, and services.
Attend meetings related to KT& troubleshooting issues, roadmap & project discussions and change control meetings.
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.
Preparing escalations for the engineering team when determined a higher-level issue exist or break fix is required.