Networking and Automation: Staff / Senior Staff Software engineer

Zscaler

  • Bangalore, Karnataka
  • Permanent
  • Full-time
  • 16 days ago
The Software Engineer, Automation will be part of a highly talented team that has built a groundbreaking “In the Cloud" web, DNS and firewall security solution. High performance and scalability are the hallmarks of this highly distributed and multi-tenant cloud. Please apply only if you have a penchant for code, comfortable guiding a small team of engineers and love to take ownership of a larger component and be accountable for it.We develop innovative solutions that are transforming the internet security business, and millions of users rely on our services for data protection and comprehensive security. We also provide real-time analytics to our customers for unmatched visibility and maintain a state-of-the-art NOC. The development team works on web filtering, policy enforcement, next-gen firewall, sandboxing, DLP, and mobile user solutions. Being responsive to our customers and delivering industry-leading mission-critical solutions require precise engineering and a philosophy of continuous improvement, both areas in which Zscaler engineers excel.Nanolog is Zscaler's big data stack. It was purpose-built from scratch to deal with several billions of events originating from Zscaler's distributed proxy and firewall enforcement nodes located in several data centers across the globe. Nanolog uses patented technology to reduce log volume by 10 to 50 times with several compression techniques. Not only does the platform collects and store logs, but it also provides rich real-time analytics capabilities that power a variety of dashboards for customers. Customers are empowered to discover and analyze all their traffic that flows through Zscaler's distributed proxy network in real-time. The platform also caters to the data mining requirements of Zscaler's security research team who scour through the mountain of data always on the lookout for new threats emerging on the internet. The data-mining platform is also purpose-built using map-reduce techniques and exposes a SQL-like query language. For those customers who like to have a copy of these logs, the Nanolog platform can also stream these logs in real-time from Zscaler's cloud to customer's premises.Responsibilities:
  • You will be expected to participate in all phases of the product development cycle, from definition, design, through implementation and test.
  • Develop functional specifications, assess task requirements and scheduling, and participate in the development, debug, and support.
  • You will be working on design and code components of a large-scale distributed system with a keen sense for high performance and scalability, troubleshoot issues with a hawkish acumen, work with Operations and Support (when needed) to help keep a healthy cloud and happy customer and at the end of the day - display accountability and sense of ownership of areas assigned to you.
Minimum Qualifications:
  • 5+ years of software experience
knowledge of Linux systems and networking internals
  • Understanding of TCP/IP protocol stack and other related protocols and products
  • Experience in creating automation in Networking domain
  • Experience with Jenkins, Jira, Bamboo or other CI orchestration systems.
  • Experience with REST API, Python, Selenium, Unix shell scripting.
  • Use of tools like traceroute, ping, iperf etc.
  • Knowledge of TLS, PKI, IPsec
  • Knowledge of Algorithms and Data Structures
  • Software design, profiling, and verification skills.
  • Strong in fundamentals - High-performance Computing, Event-based programming, Multi-threading, Memory optimization, Fault Tolerance etc.
  • Good understanding of distributed systems
  • Very good debugging and troubleshooting skills.
  • Experience developing large, maintainable software product architectures.
  • Proficient in design/code reviews and preferably in writing automatable unit and integration tests.
  • Excellent verbal, written and interpersonal skills.
  • Self-starter takes initiative & ownership, identifies, and completes tasks; goal driven.
  • Ability to work with remote teams, handle multiple tasks, prioritize, and meet deadlines.
Preferred Qualifications:
  • Knowledge of VPN, Load balancers, IPS/IDS, Routers and Firewall is a plus.
  • Experience in multiple versions of HTTP including HTTP/3, QUIC
  • Experience in Datapath Networking
  • Knowledge of DNS, DHCP, VPN, routing and switching
  • Familiarity with frameworks like DPDK or VPP
  • Familiarity with Python
  • Programming in Rust

Zscaler