Cloud Operations Engineer

Mimecast

Mimecast

Software Engineering, Operations
Indianapolis, IN, USA
Posted on Apr 2, 2026

Overview

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 working with cutting-edge technologies in a mission-critical environment, this is the place for you.

Why Join

“This is a hands-on role in a team that’s focused on ensuring the reliability and resiliency of Mimecast’s Hybrid Cloud infrastructure. You’ll work with Kubernetes, AWS, and other exciting technologies, while building automation and Infrastructure-as-Code solutions to drive efficiency and scalability. If you’re eager to tackle complex challenges and grow your career in a collaborative environment, I’d love to hear from you.” – Hiring Manager, Cloud Platform

What You’ll Do

  • Sustain platform resiliency: Perform infrastructure configuration and maintenance to ensure optimal performance, security, and availability.
  • Maintain containerization platforms: Manage Kubernetes and AWS EKS to provide a stable platform for Mimecast’s microservices.
  • Build automation: Develop reusable Infrastructure-as-Code (IaC) and automation to streamline infrastructure provisioning.
  • Troubleshoot and resolve issues: Proactively identify and resolve infrastructure issues across Linux and Kubernetes systems in a hybrid-cloud environment, minimizing downtime.
  • Enhance security: Maintain the security posture of infrastructure and platform configurations, aligning with the latest cybersecurity standards.
  • Collaborate and refine processes: Work closely with the team to improve operational processes and documentation.
  • Manage observability tools: Operate and maintain 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 Mimecast’s Cloud Platform.
  • Participate in on-call rotation: Be part of the on-call rotation and perform out-of-hours maintenance work as needed.

What You’ll Bring

  • Technical expertise: Experience in roles such as Platform Engineer, Cloud Operations, Sys Admin, or Site Reliability Engineer (SRE).
  • Kubernetes proficiency: Hands-on experience with Kubernetes (k8s) and containerization in production environments.
  • Linux expertise: Strong skills in maintaining and troubleshooting Linux operating systems and distributed systems at scale.
  • Infrastructure knowledge: Foundational understanding of core infrastructure services like 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 mindset: 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.

What We Bring

  • Global impact: A cybersecurity company operating at genuine global scale, protecting organizations and their people.
  • Engineering excellence: A Cloud Platform organization that values automation, reliability, and doing things properly.
  • Competitive rewards: Competitive compensation as part of a broader total rewards package, including benefits and wellbeing programs.
  • Career growth: 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.
  • Grow into senior engineering or team lead roles within Cloud Platform.
  • Work alongside experienced engineers and leaders who are committed to your development.

Manager’s Working Style & Team’s Purpose

The Cloud Operations 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. The expectation is hands-on technical credibility combined with a proactive approach to problem-solving and teamwork.

#LI-GK1

Belonging at Mimecast

Cybersecurity is a community effort. That’s why we’re committed to building an inclusive, diverse community that celebrates and welcomes everyone – unless they’re a cybercriminal, of course.

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.

We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won’t affect your application.

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.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.