Software Development Engineer III — Firewall

F5 F5 · Enterprise · Bangalore, India

Software Development Engineer III to build and evolve the core data-plane and control-plane capabilities of BIG-IP TMOS and BIG-IP Next for Kubernetes(BNK) Firewall platforms. This role requires an experienced systems engineer who thrives in high-scale, high-performance networking and security software, and can take features from architecture to production with a strong sense of ownership. The role involves working on mission-critical firewall, traffic management, and L4–L7 networking components, contributing to both classic TMOS and cloud-native BIG-IP Next (Kubernetes-based) architectures.

What you'd actually do

  1. Design, develop, and maintain high-performance Firewall and IPS features in a cloud-native, Kubernetes-based environment
  2. Independently determine and develop approaches to solutions for assigned projects
  3. Provide technical solutions to ensure that resulting design specifications fit into the technical architectural framework
  4. Investigate and resolve reported security and networking issues related to Firewall and IPS components
  5. Recommend and maintain technical design methodologies, processes, and standards

Skills

Required

  • C
  • C++
  • Go
  • Data structures
  • Algorithms
  • Networking technologies
  • Linux
  • Network security tools
  • Packet analysis
  • Firewalls
  • NAT
  • IPS/IDS
  • Kubernetes
  • Docker
  • Cloud-native environments

Nice to have

  • TMOS
  • BIG-IP Next
  • CI/CD pipelines
  • Automation frameworks

What the JD emphasized

  • Excellent coding skills in C, C++, Go
  • Mastery of data structures and algorithms, run-time complexities, IPC, etc.
  • Background in networking technologies & protocols.
  • Experience with Linux, network security tools, and packet analysis
  • Good understanding of Firewalls, NAT, and Intrusion Prevention/Detection System (IPS/IDS)
  • Experience with Kubernetes, Docker, and software networking
  • Experience building networking or security solutions in cloud native environment.