Principal Firewall & VPN Engineer

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Technology Strategy, Global Infrastructure & App Security (TSGI) is looking for an innovative and driven leader with a passion for Cybersecurity and Technology. This Principal Network Security Engineer will support a new organization dedicated to Network & Infrastructure Security, specifically for our Global Technology Services (GTS) Enterprise Network. This role will be responsible for the design, implementation, and maintenance of our site-to-site (Net2

Net) VPN infrastructure. This role requires deep technical expertise in Cisco ASA and Cisco Firepower platforms to ensure secure, reliable, and high-performance connectivity between our corporate offices, data centers, and partner networks.

• Architect and deploy secure, scalable site-to-site IPsec VPN tunnels and firewall solutions using Cisco ASA and Cisco Firepower Threat Defense (FTD) platforms.
• Drive technology evolution by evaluating new security tools and leading complex migrations, including the deployment of enterprise Firewall Policy Management systems.
• Develop and execute long-term strategic goals, ensuring technical initiatives align with business objectives and are communicated effectively to stakeholders.
• Serve as the primary escalation point for complex connectivity issues, utilizing advanced packet analysis and diagnostic tools to identify root causes and resolve performance bottlenecks.
• Administer and optimize firewall policies, Access Control Lists (ACLs), and NAT rulesets utilizing Cisco Firepower Management Center (FMC) and ASDM.
• Ensure network integrity by proactively monitoring VPN status, traffic flows, and security logs to maintain high availability and mitigate vulnerabilities through regular patching and upgrades.
• Mentor and upskill the engineering team by hosting focused training sessions and promoting a culture of collaboration, accountability, and continuous improvement.
• Champion security best practices by collaborating with Cyber Security stakeholders to identify traffic gaps, mitigate threats, and socialize dependencies.
• Lead governance efforts by managing incident Root Cause Analysis (RCA), supporting compliance audits, and maintaining comprehensive documentation and Standard Operating Procedures (SOPs).
• Manage cross-functional partnerships, working closely with internal IT teams and external vendors to onboard new connections and support ongoing business requirements.

• Bachelor’s degree or four or more years of work experience.
• Six or more years of relevant experience required, demonstrated through one or a combination of work and/or military experience, or specialized training.
• Four or more years of experience in a network security role with a focus on firewalls and VPNs.

• Expert-level proficiency with Cisco ASA firewalls, including CLI configuration of IKEv1/IKEv2 IPsec VPNs, NAT, and complex ACLs.
• Experience with using Checkpoint Smartconsole and Palo Alto Panorama to configure and push firewall policies.
• Strong, demonstrable experience with the Cisco Firepower (FTD) platform and Firepower Management Center (FMC), including policy configuration, device management, and troubleshooting.
• In-depth understanding of TCP/IP, routing protocols (BGP, OSPF), and network security principles.
• Experience with Tufin FPM for maintaining Firewall rules and policies.
• Proven ability to troubleshoot complex network and security issues methodically and effectively.
• Experience with data analytical tools such as Splunk, Elasticsearch, or…