Principal Software Engineer (c++)

Brief Description:

Principal Software development engineer for Cloud Agent Endpoint Security Product

We invite you to be part of motivated and agile Qualys engineering team responsible for developing high-end Cloud based Security Solutions. This opening is your chance to work in the rapidly expanding field of computer security, in a company with excellent customer ratings and outstanding growth rates. In this position you will be working on network security solutions to deliver cutting-edge products including advanced Endpoint Security Technology and product. This position is for our fastest growing R&D center in Pune, India, which is part of multi-continent engineering team.

Responsibilities:

• Develop understanding of the product functionality spanning in-field appliance to cloud services i.e. the end-to-end architecture, how customers use the product, how the product fits in the overall Qualys security platform and its value-add, various customer use case scenarios etc.
• This perspective is required for in-depth understanding and handling customer queries. 
• Ability to lead the initiatives and engineering lifecycle including write, read, comprehend codebase and participate in design / code / testcase reviews.
• Develop in-depth knowledge in Endpoint Security and networking domains
• Contribute to the appliance stack development.
• Understand the existing appliance architecture well to be able to own new feature development - design, develop, deliver.
• Study and decipher documentation needed to accomplish tasks at hand viz Endpoint security technologies including EDR/AntiMalware (EPP), XDR, MDR, etc., other Cloud Agent standards, RFCs and protocol specifications, network topologies, networking fundamentals ( Tcp/Ip stack, switches, routers, networking protocols, firewalls), Linux platform fundamentals, virtualization, deep packet inspection etc.
• Debug issues in the product reported by internal QA teams or in production by customers and suggest solutions.
• Interact with QA teams to describe product feature and methods to test it functionality, performance, negative scenarios. 
• Document the design and test plans as part of development activities.
• Communicate with other team members, including with the QA team and collaborate as required.

Qualifications:

Must Have:

• Degree in Computer Science/Electronics/Instrumentation.
• 10 to 15 years software development or testing experience in Windows Development background and Windows Internals.
• Professional experience developing products in any tech domains is a good added advantage, for example experience in areas such as deep packet inspection, packet parsing and fast packet processing techniques, firewalls, networking protocols socket programming, virtualization and hypervisors etc.
• Ability to write as well as comprehend written code in C/C++ and/or Python programs.
• Passion to build a career in Endpoint systems and system closer to OS levels. Good academic record.
• Good reading and comprehension skills to be able to read technical literature of Network Security products and make inferences.
• Ability to operate Windows Operating System commands and related applications
• Good written and verbal communication skills.

Additional skills that are good to have:

• Good debugging skills, ability to inspects packet captures
• Understanding of Linux boot loaders, grub, kernel compilation and networking stack internals, TCP/IP knowledge.
• Knowledge of one or more protocols used in Network Security systems - eg. LDAP, DHCP, ARP, DNS etc. Knowledge of Layer 2 and 3 switching,
• High availability, VPN, VLAN technologies etc.
• Working knowledge of deployment of Virtual Machines such as Vmware.
• Good understanding of Database concepts and good working knowledge with Oracle/PLSQL/Postgres.
• Excellent analytical and program solving skills, excellent written and oral communication, self-starter and highly motivated.
• Work in a dynamic environment and ability to adapt quickly to changes.