Calix provides the cloud, software platforms, systems and services required for communications service providers to simplify their businesses, excite their subscribers and grow their value.
This is a remote position that can be based anywhere in the United States or Canada.
Our team is growing and we’re looking for a highly motivated, collaborative, and results oriented software engineer with a strong background in building high-performance, real-time high network traffic inspection technology. The ideal candidate must be an excellent individual contributor, detail-oriented, self-motivated with strong communication skills and the ability to work effectively both independently and with others in a small team. You will be part of a highly talented team that is constantly innovating, improving, and expanding the network intelligence technology at the core of the Calix platform.
Responsibilities and Duties:
- Develop real-time network intelligence technology and platform software for cloud managed consumer and business secure internet gateway products.
- Research, prototype, and develop advanced cybersecurity features aimed at protecting millions of homes and businesses.
- Develop detailed design documentation for new features and capabilities.
- Propose and implement tools to accelerate software system development and debug environments.
- Propose and implement built in diagnostics and test scripts to help reliability and supportability.
- Work with product management and solutions engineering to write software functional specification and integration documents.
- Participate and support in fixing issues arising from customer sites.
- Analyze system scalability, interworking issues and perform root cause analysis of system issues.
- Keep abreast of the latest technologies within our product area.
- The candidate is expected to demonstrate a deep sense of product ownership with a strong focus on customer satisfaction.
Qualifications:
- 5+ years of experience designing, coding, and evolving high-performance real-time network security and intelligence software products.
- Deep understanding and practical experience with linux networking fundamentals: netfilter, conntrack, qdisc, iptables/nftables.
- Knowledge and experience with a variety of network traffic pattern & behavioral matching techniques, including: compiler work for building DFAs and NFAs, regex, behavioral and heuristic network traffic classification.
- Experience developing advanced network intelligence solutions and familiarity with leveraging ML for application detection, threat detection, and/or device typing.
- Knowledge and experience designing high-performance networking solutions with one or more of VPP, DPDK, XDP, eBPF, iptables/ebtables/nftables, qdiscs, hardware flow accelerators, FPGAs.
- Expert level understanding and experience working with L2-L7 protocol details.
- Organized and goal-focused, ability to deliver in a fast-paced environment.
- Excellent analytical, integration, and debugging skills.
- Excellent oral and written communication skills.
Location:
- Remote-based position located in the United States or Canada.
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