or apply directly on Zscaler's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days Zscaler's roles stay open a median of 40 days
- Reposted
- No
- Salary listed
- No 0% of Zscaler's roles list one
- Ghost-job risk at Zscaler
- low 0 stale, 19 reposted of 370 open
- Hiring momentum
- 564 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Zscaler's own greenhouse board since 2026-08-03. Full hiring picture for Zscaler.
About this role
As a Principal Software Development Engineer at Zscaler, you will design, develop, and optimize high-performance applications within the Zero Trust Exchange platform. Your role involves collaborating with cross-functional teams to enhance system performance, ensuring compliance with federal certifications, and mentoring junior engineers. You will leverage your expertise in networking and security features to deliver impactful improvements while navigating a dynamic work environment.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- 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 Zscaler as an employer.
What you need
- Bachelor's or Master's degree in Computer Science or a related field
- 10+ years of experience in system engineering for high-performance networking
- Expertise in Linux kernel-based networking (L2/L3), stateful firewalls, NAT, network drivers, Routing protocols (BGP, OSPF, PIM), and protocols like VLANs, DHCP, DNS, SSL, DTLS, QUIC, IPsec, GRE and Wireguard
- Proficiency in Go and Python programming languages
- Strong communication and collaboration skills to work effectively with cross-functional teams
- Foundational understanding of AI/ML technologies
Nice to have
- Experience integrating AI/ML frameworks or intelligent data path analysis models
- Experience in technologies such as wireguard, various tunneling protocols such as GRE, L2VPN, HA protocols such as VRRP
- Familiarity with cloud computing platforms like AWS or Azure, containerization technologies such as Docker and Kubernetes
What you get
- Various health plans
- Time off plans for vacation and sick time
- Parental leave options
- Retirement options
- Education reimbursement
- In-office perks, and more!
Worth weighing
- No specific mention of remote work flexibility beyond hybrid model
- Base salary range provided but excludes commission/bonus/equity
- Role involves navigating ambiguity, which may not suit all candidates
Summarised from Zscaler's posting. Read the full original.
Listed by Zscaler on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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