Senior Cloud Infrastructure Services Engineer

Abingdon, GB, OX14 3YP

Information Technology

Sophos evolves to meet every new challenge, protecting more than 400,000 organizations of all sizes in more than 150 countries from today’s most advanced cyberthreats. Powered by SophosLabs, our cloud-native and AI-enhanced solutions are able to adapt and evolve to secure endpoints and networks against never-before-seen cybercriminal tactics and techniques. Managed through our award-winning, cloud-based platform, Sophos Central, our best-of-breed products work together through our unique Synchronized Security system to share threat intelligence and respond to evolving threats. The Sophos suite of products secures networks and endpoints against automated and active-adversary breaches, ransomware, malware, exploits, data exfiltration, phishing, and more.

Job Purpose

CIS is responsible for supporting our Product teams to deliver the infrastructure required to provide public-facing infrastructure and Cloud services to both internal and external customers. This includes architecting, designing and building new infrastructure and applications, as well as acting in a level 4 support capacity for our operations function.


The job requires deep skills in AWS, cloud-native applications and infrastructure, python development, and systems administration skills. Your extensive skills and experience will be put to good use in continually modernizing, scaling and hardening an infrastructure that keeps pace with a fast-moving industry. 

Main Duties

  • Work with the architecture function to design and build innovative solutions to problems raised by the product teams
  • Identify areas of opportunity and propose improvements to internal and/or production infrastructure
  • Identify operational processes suitable for automation and drive the implementation of solutions
  • Carry personal responsibility for high quality changes to a live IT infrastructure
  • Create estimates and work plans then deliver according to those plans in an agile manner
  • Occasionally participate during, or outside of, working hours in incident resolution as a subject matter expert
  • Occasionally carry out changes outside of normal working hours
  • Lead other engineers in project related activity
  • Mentoring junior members of staff


Skills & Experience


  • Deep experience and knowledge of building secure, cloud-native applications on AWS, using AWS managed services
  • Linux systems administration
  • Deep knowledge of underlying protocols and infrastructures, including DNS, PKI, CDNs, HTTP, Networks
  • Infrastructure as Code expertise (CloudFormation/Terraform)
  • Secure Python development in a range of environments, including serverless environments
  • Knowledge and appropriate usage of microservices-based architectures, including Kubernetes
  • Demonstrable experience of delivering modern DevOps practices for the full development lifecycle
  • Effective communication in a variety of settings: one on one, small and large groups, or among diverse styles and position levels up to CxO
  • A track record of successfully delivering projects as a technical lead in high performing teams
  • Adapts approach and demeanour to match the demands of the situation
  • Customer advisory on best practices for operational related activity
  • Experience of working as part of a global organization with engineering teams across multiple time-zones and cultures
  • A passion for keeping pace with industry trends, technologies, and their appropriate implementation
  • Independent self-directed working

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.

Job Segment: Cloud, Linux, Technology