Principal Software Engineer 1

Ahmedabad, GJ, IN, 380006


Sophos is a worldwide leader in next-generation cybersecurity, protecting more than 500,000 organizations and millions of consumers in more than 150 countries from today’s most advanced cyberthreats. Powered by threat intelligence, AI and machine learning from SophosLabs and SophosAI, Sophos delivers a broad portfolio of advanced products and services to secure users, networks and endpoints against ransomware, malware, exploits, phishing and the wide range of other cyberattacks. Sophos provides a single integrated cloud-based management console, Sophos Central – the centerpiece of an adaptive cybersecurity ecosystem that features a centralized data lake that leverages a rich set of open APIs available to customers, partners, developers, and other cybersecurity vendors. Sophos sells its products and services through reseller partners and managed service providers (MSPs) worldwide. Sophos has major hubs around the globe. More information is available at www.sophos.com


Role Summary

As part of a product development team for Sophos NGFW(Next Generation Firewall) product line, you will perform software development activities in technology area of Linux Operating System (Networking, Routing, Connection Filter, etc), Linux user space networking applications, etc throughout the full development life cycle with focus on products or systems, including architecting, designing, coding, documenting, debugging, and testing of software to create the next generation of network security products. 


What you will do

    • Design products or systems which are part of NGFW product family in line with asset technical strategy, highlight potential implications on other products or systems.
    • Clear interaction with different stake holders of the product like program managers, Product managers, UX team, etc.
    • Close interaction with different feature teams especially when NGFW EPICs/features cuts boundaries and spread across multiple teams (technical, logical and geo)
    • End to end technical and engineering ownership of features/EPICs/stories being developed within feature team for NGFW product(s)
    • Conduct and participate in peer reviews of code, designs and specifications ensuring adherence to standards, making suggestions to increase quality to the author, and modifying own work in line with feedback received.
    • Identify gaps in coverage in software design, specifications, user guides, and other documentation and provide recommendations for improvements to the author.
    • Provide clear updates on progress against objectives in line with agreed process.
    • Review requirements specifications for coverage, identify areas that require further clarification, and suggest alternative approaches to Product Management, in line with business needs.
    • Coach and train engineers from other departments on technologies, processes and products to enable them to contribute more effectively.
    • Write software specifications based on product requirements, in line with agreed process.
    • Review product requirements with product management team and ensure technical cohesion across multiple products and technologies and make functional proposal to meet them
    • Define long term technical plans for product seeking input from other technical leads, to satisfy the business, product and technology strategies and give visibility of future engineering developments to the senior management
    • Clearly explain and present highly complex ideas/problems and provide architectural guidance around the solutions to the Technical leads, senior engineers, and managers across the global function.  Act as an escalation point for any matter relating to the technology, this includes technical support and customer queries.
    • Need to work as part of feature team and would need presence in office
    • Occasional travel to other location offices
    • Projects are delivered using a matrix structure which will require the post-holder to work in a cross functional team, consisting of software engineers, test engineers, and product managers.


What you will bring

Essential :                   

  • Programing languages – C, Advanced C, Kernel Development
  • Linux Networking stack, Netfilter, IPTables, Conntrack (Connection tracking)
  • TCP/IP Networking protocols understanding, Socket programing
  • Unit testing, Integration testing for open-source component changes as well as home grown components
  • Technical training or coaching of colleagues
  • Propose and drive the adoption of new designs across the department
  • Be an escalation point for technical issues
  • Reliability, Problem Solving, Drive for Quality
  • Bachelor of Science in Computer Software, Computer Science or related discipline or equivalent experience (Networking, Routing, Firewalling, Network security, Cryptography etc.)
  • 11+ years of work experience in relative domain and discipline.


  • C++, Basic Perl, Basic Java, Knowledgeable in at least one scripting language
  • Netfilter modules, NATing concepts, Multipath Routing
  • Working experience on different application protocols like HTTP, SMTP, SSL, etc
  • Working experience on different application protocols like HTTP, SMTP, SSL, etc
  • Master of Science in Computer software, Computer Science, or related discipline (Networking, Routing, Firewalling, Network security, Cryptography etc.)


What’s Great About Sophos?

  • Our people are what makes Sophos special – we demonstrate shared vision, talent, innovation, and creativity, all of which are accompanied by a great sense of fun and team spirit.
  • Employee-led diversity and inclusion groups that build community within Sophos and provide internal education and advocacy (eg. Sophos Women in Tech group to improve gender parity, encourage gender-balanced leadership, and support career progression at Sophos)
  • Sophos Environment Network and employee challenges to contribute to sustainability and reduce our environmental footprint
  • Annual commitment to charity and fundraising across our global sites and volunteer days for employees to give back to local communities
  • Global trivia competitions to keep our minds sharp
  • Global Mental Health days off work for all Sophos to help employees relax and recharge
  • Monthly employee wellbeing webinars and training to support employee health and wellbeing
  • Employee rewards and thanks, such as our free annual subscription to Calm


Our Commitment To You

We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity.   We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants that can contribute to the diversity of our team.  All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation.  We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.


Data Protection

If you choose to explore an opportunity, ansd subsequently share your CV or other personal details with Sophos, these detaild will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunites at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. If you have any questions about Sophos' data protection practices, please contact dataprotection@sophos.com.

At Sophos, we want every organization to be protected by innovative, next-generation IT security, even those who don't have a huge IT staff. We protect organizations of all sizes, all around the world by making enterprise-grade security that is simple to deploy, manage, and use. It is our passion, and something we are truly proud of.

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