Software Engineer

Job Description

About Us

Sophos is a global leader and innovator of advanced security solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AI-optimized services, technologies and products. Sophos is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos complete portfolio includes industry-leading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, market-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-gen SIEM capabilities, managed risk, and a comprehensive set of advisory services. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other every day and state-sponsored cybercrimes. The solutions are powered by historical and real-time threat intelligence from Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

Role Summary

We are looking for a Site Reliability Engineer with 3-5 years of experience to join our team at Sophos, a leading cybersecurity company. The ideal candidate will be responsible for building, maintaining, and improving highly available, secure, and scalable cloud infrastructure and CI/CD pipelines while ensuring operational excellence, cost efficiency, and production reliability.

This role will be a part of Site Reliability Engineering (SRE) team, that manages and supports production environments running on AWS with EKS and ECS-based microservices. They are responsible for deployment automation and application deployments via CI/CD pipelines using Jenkins and GitHub Actions. The team works extensively with Infrastructure as Code (IaC) using Terraform, building secure, reliable, and scalable systems while enabling observability across the platform. Collaborating cross-functionally with application, engineering, and security teams, they ensure smooth delivery and adherence to best practices. They focus on incident management, enabling proactive handling of issues and maintaining optimized system performance through advanced analytics and automation.

What you will do

- Design, implement, and maintain infrastructure as code (IaC) using Terraform
- Build, maintain, and enhance CI/CD pipelines using Jenkins and GitHub Actions for secure and automated deployments
- Implement and manage cloud infrastructure on AWS, ensuring high availability, scalability, cost optimization, and security compliance
- Design, deploy, and manage containerized applications using Docker and Kubernetes (EKS)
- Handle microservices-based infrastructure, ensuring reliability, scalability, and smooth orchestration
- Responsible for production deployments, ensuring smooth and secure releases with minimal downtime
- Conduct Root Cause Analysis (RCA) for production incidents and implement preventive measures
- Set up and manage monitoring, alerting, and observability using tools like Grafana, Prometheus, CloudWatch, or similar, with a focus on security and reliability metrics
- Collaborate effectively across multiple teams including development, security, and product teams to ensure smooth operations and delivery
- Work on incident response, vulnerability remediation, and ensure systems meet SLA/SLO targets
- Ensure compliance with security policies, standards, and best practices in deployments and infrastructure management
- Work on an on-call basis to support production systems and ensure continuous service availability

What you will bring

- 3-5 years of experience in SRE environment
- Strong experience with Terraform, AWS, and cloud architecture with a security-first mindset
- Hands-on experience with CI/CD pipelines using Jenkins and GitHub Actions
- Expertise in Kubernetes and container orchestration
- Experience handling microservices-based infrastructure
- Strong understanding of monitoring, observability, and alerting: Grafana, Prometheus, CloudWatch, or similar
- Experience with incident management, RCA, and troubleshooting production issues
- Responsible for production deployments with high reliability and security
- Knowledge of Linux/Unix systems, networking, and security principles
- Strong scripting & programming skills in Bash, Python, or similar for automation and operational tasks.
- Experience with cloud cost optimization and resource management
- Ability to collaborate effectively across cross-functional teams
- Strong troubleshooting skills and problem-solving ability in a fast-paced product environment
- Familiarity with SRE principles in a security-focused product environment
- Bachelor's degree in computer science, Information Technology, or related field

Desirable :

- Hands-on experience with AWS, CI/CD, Jenkins, Git, Terraform, Kubernetes, scripting & Programming skills
- Proven troubleshooting skills and deep operational expertise
- Experience working in high-availability, production-critical environments
- Strong understanding of security and compliance considerations in cloud-native environments

Remote

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Ready to Join Us

At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don't check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don't let a checklist hold you back we encourage you to apply.

What's Great About Sophos

Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.

Our people we innovate and create, all of which are accompanied by a great sense of fun and team spirit

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 our environmental footprint

Global fitness and trivia competitions to keep our bodies and minds sharp

Global wellbeing days for employees to relax and recharge

Monthly wellbeing webinars and training to support employee health and wellbeing

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 who 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, and subsequently share your CV or other personal details with Sophos, these details 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 opportunities 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. For more information on Sophos data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos