Senior Network Administrator -Firewall Focus

Senior Network Administrator -Firewall Focus 07/31/2025 Contract Active Job Description Job Summary We are seeking a Skilled Network Administrator with a strong focus on firewall administration, specializing in the support, maintenance, and optimization of Palo Alto Networks security platforms. The ideal candidate has experience configuring next-generation firewall policies, conducting threat prevention, managing VPNs, and performing rule audits and log analysis. This role works closely with security teams and other IT stakeholders to ensure a secure, compliant, and resilient network perimeter through proactive monitoring and continuous improvement. Responsibilities Configure, monitor, and maintain Palo Alto Networks firewalls, including rule sets, security profiles, and threat prevention features. Perform firewall audits, rule reviews, software updates, and log/traffic analysis. Assist in firewall segmentation projects, VPN setup, and remote access security. Respond to and support incident response efforts related to firewall or perimeter breaches. Collaborate with security teams to ensure policy alignment and compliance with internal standards. Monitor firewall performance and optimize configuration for security and efficiency. Create and maintain detailed firewall documentation, including network diagrams and change logs. Support other network components as required, including routers, switches, and VPN gateways. Participate in disaster recovery testing and emergency operations procedures. Stay updated on emerging threats, tools, and Palo Alto feature releases. Required Qualifications Bachelor’s degree in Computer Science or a related discipline and 2+ years of professional experience in a network administration role in a large enterprise environment. OR 6 years combined education, training, and experience in supporting and maintaining enterprise network systems. Strong working knowledge of Palo Alto Networks firewall platforms. Familiarity with routing protocols (e.g., TCP/IP, EIGRP, OSPF, STP) and Layer 2/3 network architecture. Experience with VPNs, security segmentation, and firewall rule lifecycle management. Solid understanding of network monitoring and intrusion detection/prevention systems (IDS/IPS). Preferred Qualifications Palo Alto Networks certifications (e.g., PCNSA, PCNSE). Experience supporting QoS, voice-over-IP, or converged network environments. Familiarity with incident response protocols and SIEM systems. Knowledge of industry best practices for network security compliance and data protection. Certifications (if any) Palo Alto Networks Certified Network Security Administrator (PCNSA) – preferred Palo Alto Networks Certified Network Security Engineer (PCNSE) – preferred Any additional network/security certifications (e.g., CCNA Security, CompTIA Security+) – beneficial Solid grasp of network operating systems, protocols, and security layers. Strong troubleshooting, problem-solving, and communication skills. Ability to work independently under general supervision while managing multiple tasks and priorities. Proficiency in documenting technical procedures, configurations, and incidents. Demonstrated ability to collaborate cross-functionally and provide technical mentorship when needed. #J-18808-Ljbffr