Principal Software Engineer - DPDK experience is a must
- Level
- Principal
Not stated in the posting: salary, work type, visa.
Open. First seen 5 October 2026.
About the role
For more than 30 years, SonicWall has delivered a partner-first unified cybersecurity portfolio that helps SMBs, MSPs, and IT teams consolidate network security, endpoint security, security service edge (SSE), and threat response across hybrid environments. By bringing connected technology, real-time threat intelligence, automation, and expert services together, SonicWall helps organizations simplify security operations, achieve better security outcomes, and lower total cost of ownership. Backed by a global ecosystem of more than 17,000 partners, SonicWall delivers enterprise-grade protection built for SMB and mid-market realities.
SonicWall's standard text
For more information, visit www.sonicwall.com or follow us on X, LinkedIn, Facebook, and Instagram.
Responsibilities
- Lead development and optimization of a key dataplane module for SonicWall NGFW platforms.
- Design, implement, and enhance high‑performance packet‑processing paths using DPDK/ODP/OFP or similar frameworks.
- Diagnose and resolve complex performance, throughput, and latency issues in the dataplane.
- Collaborate with platform, networking, security, and QA teams to deliver features and product improvements.
- Prototype and evaluate new dataplane technologies, contributing to next‑gen NGFW capabilities.
- Influence architectural decisions, scalability strategies, and long‑term technical direction for dataplane components.
Requirements
- 10+ years of experience in C/C++ systems‑level development for networking or embedded platforms.
- Strong hands‑on expertise in DPDK, ODP, OFP, or similar high‑performance packet‑processing frameworks.
- Solid understanding of L3/L4 networking protocols, including IPv4/IPv6, routing, NAT, VPN/IPsec/SSL, and related protocols.
- Proven ability to build multi‑threaded, low‑latency, high‑throughput systems.
- Strong knowledge of OS internals, memory and concurrency models, and network stack behaviour.
- Excellent debugging, performance tuning, and system analysis skills.
- Strong communication and teamwork skills, with the ability to drive cross‑functional technical discussions.
#LI-DS9
#LI-Pune
SonicWall's standard text
#LI-Hybrid
SonicWall is an equal opportunity employer.
We are committed to creating a diverse environment and are an equal opportunity employer. All qualified applicants receive consideration for employment without regard to race, color, ethnicity, religion, sex, gender, gender identity and expression, sexual orientation, national origin, disability, age, marital status, veteran status, pregnancy, or any other basis prohibited by applicable law.
At SonicWall, we pride ourselves on recruiting a diverse mix of talented people and providing active security solutions in 100+ countries.
Applicant Privacy Notice
What this role asks for
In most of SonicWall's ads
Cybersecurity
Named in most of its open postings, whatever the role.
71% of this description is written for the role. The rest is SonicWall's standard text, folded away below.
Read against SonicWall's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 19 open in Engineering. 3 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (19 of 19), C (9 of 19), C++ (9 of 19), AWS (8 of 19), Linux (7 of 19), Python (7 of 19), Embedded Systems (5 of 19)
OTHER ROLES ON THIS TEAM
- Front End Engineer- Vue3.js, Node.js, and TypeScript experience is a must posted Oct 1
- Software Dev Engineer- Windows or Linux development experience posted Oct 1
- Software Dev Senior Engineer posted Sep 30
- Senior Director, Software Engineering - Cloud Security & Networking experience posted Sep 13
- Senior Software Engineer – C or C++ | SSL/TLS experience posted Sep 10
- Software Dev Engineer - C, Linux & Networking (3-5 Years) posted Sep 9
- Senior Software Engineer - IPv6 Networking exp is a must** posted Sep 7
- Senior Principal Engineer – Wireless AP Software Development posted Sep 3
- Senior Director, Hardware posted Aug 26
- Senior Technical Program Manager - SW & HW posted Aug 21
- Senior DevSecOps Engineer - Network/Cyber Security domain background** posted Aug 19
- Senior Director, Hardware posted Aug 18
- Principal Engineer — Python is a must posted Jul 31
- Distinguished Engineer - Data Architect posted Jul 21
- Lead AI/ML Engineer – Security AI & LLMs posted Jul 21
- Senior Software Engineer — Embedded C / Firewall Client posted Jul 9
- Senior Principal Engineer – Wireless AP Software Development posted Jul 8
- Software Dev Senior Engineer posted May 21
From the team and dates on SonicWall's own job board.
Similar jobs
- Principal Engineer Software - NGFW (NetSec) - Bangalore at Palo Alto Networks
Shares 3 skills: C, Cybersecurity, C++ · Staff level · same country - Sr. Staff Software Development Engineer at Zscaler
Shares 3 skills: C, Cybersecurity, C++ · Staff level · same country - Electronic Systems Technical Specialist - Software at Cummins
Shares 3 skills: C, Cybersecurity, C++ · same city - Senior Rust Software Engineer at Vector Atomic
Shares 3 skills: C, Cybersecurity, C++ - Member of Technical Staff, FlashBlade at Everpure
Shares 2 skills: C, C++ · Staff level · same country - Platform Engineer- GCP and Kubernetes experience is a must at SonicWall
Also at this company
Is this your posting and you want it taken down? Email info@careerholo.com.