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Senior Devops Engineer



Software Engineering
Lexington, MA, USA
Posted on Saturday, November 4, 2023

Senior DevOps Engineer

Location: London, UK

We are seeking a talented DevOps Engineer to join our team and help us define and implement our Cloud and Containerization strategy. As a Principal DevOps Engineer, you will collaborate with the wider Engineering team to accelerate end-to-end delivery lifecycles and workload migrations by creating standards, tools, automation and reusable Infrastructure as Code.

Why join us?

You’ll be getting in at the early stages, playing a key role in shaping the future of Mimecast – with the energy and excitement of a start-up environment - but the security and maturity of an established larger organization with an ambitious vision and mission and investing in people, tech and products.

We want to hear from you if you have a desire to learn and experiment leveraging your prior knowledge and experience. We’re looking for people who are willing to take risks, do things differently and, most importantly, do things better.

As a Mimecast DevOps Engineers you will be responsible for:

  • Define and implement standards, automation, and tooling to enable self-service in the Cloud.

  • Evolve & maintain our Kubernetes platforms in private and public Cloud.

  • Deploy, configure and manage AWS infrastructure services using IaC such as Terraform.

  • Improve our overall engineering processes, testing approaches, deployment pipelines, and operational procedures.

  • Assist Engineering to containerize their workloads and acting as a point of contact for the systems and tools we manage.

To be successful in this role, you will need:

  • 8+ years of experience as a DevOps/Cloud/Site Reliability Engineer in Cloud Production environments.

  • Hands-on experience managing container platforms such as Kubernetes, AWS EKS, GKE etc.

  • Proficiency in at least one programming language (e.g., Python, Ruby on Rails, Go, Java).

  • A passion for automating everything with re-usable Infrastructure as Code (Terraform, CloudFormation, Helm etc.) and standardized CI/CD pipelines.

  • Experience with core infrastructure services such as DNS (Route53/Unbound), Identity Management, load balancers, web servers etc.

  • Demonstratable ability to design, implement and maintain operations of secure cloud environments in AWS, including PKI/Certificates (AWS ACM), Secrets Management and Cloud configuration.

  • An understanding of Linux Operating Systems and internals.

Desirable skills & experience:

  • Continuous delivery principles and pragmatics of dealing with build pipelines, artifact repositories, zero-downtime deployment, and modern Cloud best practices.

  • Experience implementing observability & monitoring tooling for application and infrastructure metrics, logs and traces (e.g., OpenTelemetry, Prometheus, Grafana, Loki, Elastic, Cloud Watch).

  • Passion for development and engineering best practices, automation, and productivity.

  • Excellent verbal/written communication and interpersonal skills.

  • Highly motivated and organized individual with the ability to work under pressure, assimilating information quickly and acting decisively.

  • Experience at working both independently and in a team-oriented, collaborative environment

  • A Computer Science degree or equivalent experience.

If you are a talented DevOps Engineer who is passionate about automation, Cloud best practices, and continuous improvement, we would love to hear from you.


Why Mimecast?

We’re fast thinking. We go big to reach our cyberattack-disrupting goals. And we do what we need to protect the world of business from getting important (and potentially compromising) data stolen. We never leave anyone behind. We deliver quickly – and outstandingly. We’re big on honesty because it makes us better. We’re empowered by our mission. And if cybercriminals have a good day, we work twice as hard to make the rest of their days a nightmare. That’s The Mimecast Way.

And the Mimecast way is also a hybrid-working way. We empower our people to balance their time between home and the office in a way that works best for them, their team, and our stakeholders.

Become a Mimecaster and put corporate data under your protection. Fill our teams with respect. And bring cybercrime-obstructing energy to your work. Be passionate. Be powerful. Be alive with purpose.

DEI Statement

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.

If you require any adjustments or accommodations due to a disability, or any other reason that may help you in your interview process, please let us know by emailing

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.