Principal Software Engineer 1 (NSG Firewall)
Sophos
IndiaremotePosted 1 month ago
Skill Required
Software-EngineerNetwork-SecurityFirewall-EngineeringCybersecurityProduct-DevelopmentPrincipal-Network-Security-EngineerPrincipal-Software-EngineerPrincipal-Security-EngineerPrincipal-Software-Development-EngineerPrincipal-Cybersecurity-EngineerSoftware EngineerSoftware DeveloperEmbedded LinuxBackup and RecoveryMachine LearningDesign PatternsCloud SecurityMicroservicesCryptographyEngineeringR ProgrammingKubernetesnetworkingautomationObservabilitydebuggingsecurityTestNGGolangDockerTCP/IPdesignC++AzureLinuxCloudFulltime
Key highlights
- 12+ years of progressive experience in enterprise architecture and cybersecurity required
- 7+ years of experience with C/C++/Golang and Linux system/kernel programming required
- 7+ years of networking, routing, switching, security, cryptography, and TCP/IP expertise required
- Remote‑first working model is a key benefit
- Opportunity to shape the next generation of Sophos Firewall
- Hands‑on experience with Linux kernel networking (eBPF, XDP, etc.) listed as a desirable skill
Role overview
Sophos is looking for a senior developer to join the NSG engineering group and help shape the next generation of Sophos Firewall. In this role, you will design, develop, and evolve core platform capabilities, driving modernization, scalability, and innovation across a product that operates in a rapidly changing cybersecurity landscape. Working closely across scrum teams, you will help build and maintain high‑impact network security capabilities that protect millions of users worldwide.
Responsibilities
- Architect, design, and develop products or systems aligned with the technical strategy, delivery timelines, and the quality and functional expectations defined with Product Management.
- Define and support unit, system, and integration testing across your own code and the broader product or system; resolve defects, log issues, and assess potential impact on related products or systems.
- Conduct and contribute to peer reviews of code, designs, and specifications in collaboration with the Development Lead or Manager.
- Manage competing priorities effectively and plan your time to consistently deliver against agreed objectives.
- Partner with Test Leads to recommend appropriate and effective testing strategies for the product or system.
- Review requirement specifications for completeness, identify gaps or ambiguities, and propose alternative approaches to Product Management aligned with business needs.
- Drive the adoption of new architectures, technologies, design patterns, and engineering productivity improvements to strengthen quality, reliability, and delivery efficiency across projects or the team.
- Recommend improvements to engineering standards and processes across the wider organization and take ownership of assigned implementation areas.
Requirements
- 12+ years of progressive experience in enterprise architecture and cybersecurity, with demonstrated hands‑on leadership across business, application, data, and technology domains
- 7+ years of experience working with commercial software using C/C++/Golang, Linux system programming, Linux kernel programming
- 7+ years of domain experience in networking, routing, switching, network security, cryptography, TCP/IP stack, and application protocols such as DHCP, DNS, LDAP, HTTP, HTTPS, and TLS, along with experience working on virtual and cloud platforms including AWS, Azure, GCP, and VMs, high availability
- Bachelors or Master of Science in Computer Software, Computer Science or related discipline or equivalent experience
- Great problem solver, quality‑driven, self‑initiative, creative, adaptive, listener, collaborator
Nice to have
- Hands‑on experience with Linux kernel networking, including eBPF, XDP, netfilter, iptables, conntrack, and ipset
- Hands‑on experience with VPN technologies and secure remote access solutions, including IPsec, SSL VPN, and related tunnelling protocols
- Hands‑on experience with microservices architecture, Kubernetes, Docker, and REST‑based technologies
- Hands‑on experience using AI‑assisted development tools to improve engineering productivity, code quality, debugging, testing, and documentation
- #B2
Benefits
- Remote‑first working model (remote work is the primary option for most employees; some roles may require a hybrid approach)
- Employee‑led diversity and inclusion networks that build community and provide education and advocacy
- Annual charity and fundraising initiatives and volunteer days for employees to support local communities
- Global employee sustainability initiatives to reduce the environmental footprint
- Global fitness and trivia competitions to keep bodies and minds sharp
- Global wellbeing days for employees to relax and recharge
- Monthly wellbeing webinars and training to support employee health and wellbeing
Additional details
- Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI‑driven platform and expert‑led services.
- Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks, combining machine learning, automation, and real‑time threat intelligence with frontline human expertise from Sophos X‑Ops.
- Sophos offers industry‑leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies—including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next‑gen SIEM.
- Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners.
- Sophos is headquartered in Oxford, U.K.
- Ready to Join Us? Sophos encourages applicants of all backgrounds to apply and does not require a perfect checklist match.
- The company is committed to equality of opportunity and a diverse, inclusive environment; reasonable adjustments can be made to the recruitment process upon request.
- Data Protection: Personal data submitted will be retained for 12 months in accordance with Sophos’ Privacy Policy and may be used by the recruitment team for this or other relevant opportunities.
- Originally posted on Himalayas.