Cloud Operations Engineer

At Mimecast, we operate at scale—protecting billions of emails daily across a global hybrid-cloud infrastructure. If you’re passionate about reliability, automation, and solving complex challenges in mission-critical environments, this is the opportunity for you.

This is a hands-on role in a team responsible for ensuring Mimecast’s Hybrid Cloud infrastructure remains secure, resilient, and scalable. You’ll work with cutting-edge technologies like Kubernetes, AWS, and Infrastructure-as-Code, all while collaborating with a supportive and talented team.

Mimecast is an AI-First engineering organization. Our teams actively leverage AI-powered development tools across all facets of engineering, from code development to testing, documentation, and operations. We’re looking for leaders who don’t just use AI tools but champion their adoption and establish new ways of working.

Our AI leadership extends beyond how we build to what we build. Our Mihra AI agent delivers 7x faster threat response for customers, and we’re recognized as “Agents of Change” in Human Risk Management. Engineers here work at the intersection of cutting-edge AI tooling and AI-powered security products that protect organizations worldwide.

What You’ll Do:

• Ensure platform reliability: Configure and maintain infrastructure to ensure optimal performance, security, and availability.
• Manage containerization platforms: Operate and improve Kubernetes and AWS EKS to support Mimecast’s microservices architecture.
• Automate infrastructure: Build reusable Infrastructure-as-Code (IaC) and automation to standardize infrastructure provisioning and deployment processes.
• Troubleshoot and resolve issues: Identify and resolve infrastructure issues across Linux and Kubernetes systems in a hybrid-cloud environment, minimizing downtime.
• Enhance security: Strengthen the security posture of infrastructure configurations, aligning with the latest cybersecurity standards.
• Improve processes: Collaborate with the team to continuously refine operational processes and documentation.
• Maintain observability tools: Manage and operate monitoring and observability tools like Graphite, Prometheus, Grafana, Elastic, Nagios, and LogScale.
• Support engineering teams: Provide exceptional support to internal Product and Engineering teams, meeting their requirements for the Mimecast Cloud Platform.
• Participate in on-call rotations: Support the team by participating in on-call rotations and performing out-of-hours maintenance as necessary.

What You’ll Bring:

• Technical expertise: Experience in roles such as Site Reliability Engineer (SRE), Platform Engineer, Cloud Operations, or Sys Admin.
• Kubernetes proficiency: Strong hands-on experience with Kubernetes (k8s) and containerization in production environments.
• Linux expertise: Proficiency in maintaining and troubleshooting Linux operating systems and distributed systems at scale.
• Infrastructure knowledge: Solid understanding of core infrastructure services such as DNS, Identity Management, load balancers, and web servers.
• Networking basics: Foundational knowledge of computer networking.
• IaC and scripting: Experience with Infrastructure-as-Code tools like Terraform/CloudFormation and configuration management tools like Puppet. Proficiency in at least one programming or scripting language.
• Proactive problem-solver: A proactive attitude with a willingness to take on new challenges, deliver results, and learn new technologies quickly.
• Collaboration skills: Outstanding communication and social skills, with the ability to connect with others and problem-solve effectively.

Why This Role:

• Global impact: Join a cybersecurity company operating at genuine global scale, protecting organizations and their people.
• Engineering excellence: Be part of a Cloud Platform organization that values automation, reliability, and doing things properly.
• Competitive rewards: Enjoy competitive compensation as part of a broader total rewards package, including benefits and wellbeing programs.
• Career growth: Access opportunities to develop expertise in hybrid-cloud infrastructure, Kubernetes, and automation, with clear paths to senior engineering roles.
• Collaborative culture: Work alongside experienced engineers and leaders who invest in your development.

Career Growth Opportunities:

• Develop deep expertise in hybrid-cloud infrastructure, Kubernetes, and automation.
• Build strong Infrastructure-as-Code and automation skills in a production environment that demands them.
• Grow into senior engineering or team lead roles within Cloud Platform.
• Work alongside experienced engineers and leaders who are committed to your development.

The Site Reliability Engineering team exists to ensure the reliability and resiliency of Mimecast’s Hybrid Cloud infrastructure. The team’s purpose is to deliver a platform that is secure, performant, and scalable, enabling Product and Engineering teams to innovate faster and deliver more value to customers. Day-to-day, you’ll work in a collaborative environment, tackling complex challenges and contributing to the continuous improvement of Mimecast’s infrastructure.

Join our Cloud Platform team to accelerate your career journey, working with cutting-edge technologies and contributing to projects that have real customer impact. You will be immersed in a dynamic environment that recognizes and celebrates your achievements.

Mimecast offers formal and on-the-job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly - working in cross-functional teams to build your knowledge!

We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week, because working together in person fosters a culture of collaboration, communication, performance and learning.

The base salary range for this position is £64,000−£96,000 plus benefits. This range represents the minimum and maximum new hire compensation for this role. The position may also be eligible for incentive plans and additional benefits, in accordance with company policy and local regulations.

Cybersecurity is a community effort. That’s why we’re committed to building an inclusive, diverse community that celebrates and welcomes everyone. We’re proud to be an Equal Opportunity and Affirmative Action Employer, and we’d encourage you to join us whatever your background. We particularly welcome applicants from traditionally underrepresented groups.

Due to certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law.