Security Software Engineer Technical Leader

Meet the Team The Enterprise Networking Security Policy Access (SPA) Dev team, the driving force behind Cisco Identity Services Engine (ISE), is the frontline defense for modern enterprise networks. We engineer highly scalable, resilient solutions that define and enforce rigorous security policies across complex, distributed network environments. By embedding advanced zero-trust principles and robust network security protocols into our architecture, we ensure that users and devices connect safely against an evolving threat landscape. We are a collaborative, forward-thinking group dedicated to solving the industry's toughest network security challenges. Join us to architect the future of secure enterprise connectivity and protect our customers' most critical assets. Your Impact As a "Security Software Engineer Technical Leader", you will architect and develop software that places network security and user experience at its core, consistent with Cisco’s Design Thinking Principles. You will lead the technical design of complex, secure network access features for ISE, utilizing your deep expertise in systems programming (C, C++, or Java) to build resilient codebases. Your work will directly fortify our network defenses through rigorous threat modeling, secure coding practices, and the implementation of advanced cryptography, including TLS internals and Post Quantum Cryptography (PQC). By championing agile engineering, leveraging AI coding tools, and mentoring your peers, you will drive continuous innovation in how we secure enterprise networks globally Minimum qualifications: BA in Computer Science or related field 8+ years software engineering experience in systems programming (C, C++ or Java) with complex codebases 3+ years of technical leadership Deep understanding of network security, certificate validation and threat modelling Hands-on experience with cryptography, TLS internals, or Post Quantum Cryptography (PQC) Preferred Qualifications Hands on experience with AI coding Understanding of modern attack methods. Hands-on experience with security testing tools Hands on experience in cloud development - advantage Prior experience collaborating with corporate security groups or acting as a security ambassador Proficiency in Go, Rust, Python or JavaScript (in addition to C/C++/Java) Why Cisco?  At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.  We are Cisco, and our power starts with you.