PitchMeAI Jobs
SonicWall

Senior Software Engineer — Embedded C / Firewall Client

SonicWall · Bengaluru, Karnataka, India

Posted about 3 months ago

or apply directly on SonicWall's site. We never take the application ourselves.

Is this posting real?

This role has been open
81 days
SonicWall's roles stay open a median of 82 days
Reposted
No
Salary listed
No
0% of SonicWall's roles list one
Ghost-job risk at SonicWall
high
44 stale, 2 reposted of 44 open
Hiring momentum
73 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from SonicWall's own greenhouse board since 2026-08-03. Full hiring picture for SonicWall.

About this role

As a Senior Software Engineer at SonicWall, you will develop and maintain the Content Filtering Service client embedded in SonicOS, which is critical for enforcing URL-based content filtering policies on firewall appliances. Your responsibilities will include managing the binary UDP protocol implementation, ensuring IPv4 and IPv6 support, and improving the reliability of cache synchronization. Collaboration with both local and US-based teams will be essential, along with thorough documentation for long-term maintainability.

Our read on this posting2.2out of 5
benefits
1/5
freshness
1/5
career value
4/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of SonicWall as an employer.

What you need

  • Expert-level C programming skills (not C++)
  • Experience with multi-core concurrency in C
  • Deep understanding of kernel-level networking and packet processing
  • Strong knowledge of IPv4 and IPv6
  • Ability to navigate and manage a large C codebase
  • Experience with network testing and debugging tools (e.g., Wireshark, tcpdump, GDB)

Nice to have

  • Experience with multi-blade or multi-ASIC hardware platforms
  • Understanding of symmetric encryption at the C implementation level
  • Prior experience on a security appliance or network device firmware
  • Familiarity with TLV binary protocol design and versioning
  • Experience with C fuzz testing or sanitizers

Worth weighing

  • No salary listed
  • Role involves security-critical code, which may add pressure
  • Collaboration with remote teams may require flexibility in communication and work hours

Summarised from SonicWall's posting. Read the full original.

Listed by SonicWall on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

More roles at SonicWall

All 44 open roles at SonicWall →