Sophos

Sr. Software C Developer- Cybersecurity Hardware

Job Description

Role Summary:
We are looking for software engineers with backgrounds in network security to join our Network Security Group Xstream Firewall Hardware/Cloud Platform Team. Put your programming and security background skills to use in building world-class performant and effective firewall products.


What You Will Do
  • Design and develop products or systems in line with asset technical strategy, specified project ,
  • Timescales, quality and functionality requirements as agreed with the Product management.
  • Define and support appropriate Unit, System and Integration testing on own code and others across the product or system, fixing errors and entering defects into the defect tracking system, highlighting potential implications on other products or systems.
  • Conduct and participate in peer reviews of code, designs and specifications as requested by Development Lead or Manager.
  • Coordinate with cross functional teams including software developers, testers, and product managers.
  • Adhere to coding best practices and standards, policies and processes set for project.
  • Prioritize multiple activities and schedule your own time to deliver against agreed objectives.
  • Review requirements specifications for coverage, identify areas that require further clarification, and suggest alternative approaches to Product Management, in line with business needs.
  • Propose, promote, and drive the adoption of new design and development approaches to improve overall quality, reliability, and speed of implementation across projects or own team.
  • Mentor more junior members of the team through pair programming and code reviews.

    • What You Will Bring
  • Very strong C programming skills a must
  • Team Player with can do attitude/initiative.
  • Passion for software engineering and coding with proven ability to test/debug own code
  • Experience with Agile Software Development methodologies
  • Ability to work well with team of senior and junior engineers in a dynamic, fast paced environment
  • Background and understanding of firewalls, proxy, IPS/IDS, web content filtering, AV scanning
  • Knowledge of Linux system-level programming and operating system internals
  • Experience in Linux multi-process and multi-threaded user space and/or kernel programming on x86
  • Knowledge of layer 2/3/4 networking protocols, concepts. Proven experience debugging networking issues.
  • Working experience on data plane forwarding a plus.
  • Detailed knowledge of TCP protocol a strong advantage
  • Ability to make appropriate design choices to maximize performance and scalability system requirements
  • Automation of test code. Scripting skills with Bash, Python, and/or Java

    • Nice to Have
  • Linux user space packet delivery technologies, DPDK, netmap, xdp, etc
  • Internals of Linux Kernel core networking stack, Netfilter, and/or netdev drivers
  • Snort and/or other IPS/IDS packet processing technologies
  • TLS, IPSec and cryptography knowledge
  • Kubernetes
  • Docker

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