Network Security Analyst

## Who We Are **Lennox (NYSE: LII)** Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us. ## What Drives Success 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. **ESSENTIAL DUTIES AND 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. **COMPETENCIES** - 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. - Preferred ability to lift 25lbs ## What We Are Looking For **QUALIFICATIONS** To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. - 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 - One or more of the following certifications is preferred: (ISC)2 SSCP, CompTIA Security+, Palo Alto PCNSA/PCNSE, SANS GSEC, or Cisco CCNP Security. - 1-2 years of experience using ssh connectivity tools such as Putty - Associates degree in related field…