Network Engineer III

The S enior network Engineer that will play a vital role in fortifying Simpson Thacher’s network and security, ensuring the protection of our infrastructure which aligns with our commitment to operational excellence and innovation.  The role is critical for maintaining the safety and integrity of our IT infrastructure, ensuring seamless and secure operations across the company. The Senior Network Engineer will directly have an impact on the Firm's ability to safeguard its digital assets, maintain regulatory compliance, and ensure the continuous delivery of high-quality services to our clients and stakeholders. Essential Job Duties & Responsibilities Deep-Expert level proficiency with leading enterprise platforms like Palo Alto networks, PAN OS, Panorama, Cisco and Fortinet as well as the Palo Alto Networks family of Next Gen firewalls, including but not limited to: firewall rule creation Configuring Policy based forwarding rules Create site to site VPNs and SASE targets Experienced with deploying Palo Alto SDWAN-IONs Architect & Design, deploy, and maintain secure network solutions across on premises, and cloud environments. Manage firewall rules and policies to ensure secure and efficient network traffic flow, perform rule base optimization and establish security zones to harden the enterprise Conduct regular system audits to assess security risks and compliance with established protocols, ensuring that our network defenses remain impervious to external threats Identify vulnerabilities within our network and recommend enhancements to our security posture Collaborate closely with other IT teams, including the Identity and Access Management (IAM) and Service Delivery teams, to integrate firewall management with wider security and operational strategies Ensure firewall configurations and policies maintain compliance with regulatory frameworks. Provide technical support and guidance in network security issues to various departments, enhancing the overall security knowledge within the company Stay up to date with emerging security threats and firewall technologies to continuously improve our security framework Lead Firewall migration projects using vendor specific tools and oversee hardware/Software upgrades. When needed provide technical guidance, training and troubleshooting support to junior network engineers and security engineers. Perform other duties as needed Education Required Bachelor's degree in information technology, Cybersecurity, Computer Science, or a related field, or equivalent professional experience in network security Skills and Experience Required 7+ years of relevant experience Proficient in network protocols, routing and switching concepts, and the ability to troubleshoot complex network security issues Ability to perform with little to no guidance from management Familiarity with various firewall management tools and security monitoring technologies. Excellent analytical and…