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Platform Engineer



Software Engineering
London, UK · United Kingdom · Remote
Posted on Thursday, April 27, 2023
Tessian protects every business’s mission by securing the human layer
The Tessian Cloud Email Security platform helps enterprises defend against email attacks, protect against data loss and respond to security incidents more efficiently. By combining artificial intelligence with an understanding of employee email behavior, Tessian is able to prevent complex email attacks and data loss incidents that evade Secure Email Gateways and the built in security controls of M365 and Google Workspace.
The world's largest banks, healthcare organizations, hedge funds and law firms all use Tessian to secure their email environments, data and people whilst saving their security team time. In 2022 alone, Tessian prevented hundreds of thousands of business email compromise attacks, data loss incidents and saved hundreds of hours of work for security teams.
Tessian is headquartered in London and Boston with 200+ employees globally and has raised over $120m in venture capital funding from world leading investors like Sequoia, Accel, Balderton, March, Citi and Okta. Tessian was recognized as one of Fast Company’s Most Innovative Companies for 2022. More information can be found at www.tessian.com.
The Platform team
We're looking for an experienced SRE, DevOps or Platform Engineer to join the Platform Team at Tessian. The Platform Team is responsible for defining and operating the infrastructure upon which our development teams and customers depend. We want you to make your mark on some exciting projects like Kubernetes migration and Enterprise deployments. With the goal of contributing to the team’s mission to supercharge our Engineers and Data Scientists productivity, enable Tessian for hyper-growth and lead the way on security, reliability and cost effectiveness.
We can hire this role to be office based or hybrid from our London office, or offer full remote working within the UK.
We cannot offer visa sponsorship/relocation or remote working outside of the UK for this position.

Why is this role exciting?

  • Work with a highly skilled team of Platform Engineers.
  • Contribute to the vision and execution for the infrastructure for a fast growing mission critical SaaS product.
  • Short term technical delivery within the team as well as helping to set the long term vision.
  • Working with other stakeholders across Engineering, Security and Product.
  • Day to day operation and security of the platform with lots of opportunities for learning and development.

What are our current and upcoming projects?

  • A large migration from AWS ECS to Kubernetes.
  • Bolstering our security and deployments for Enterprise and getting involved in solving problems relating to Data Privacy.
  • Keeping the lights on as we scale to bigger customers is a crucial part of this role is to ensure that our systems remain reliable and working with engineering teams to drive quality and solve problems.
  • Implementing our Observability strategy
  • Working towards improving our CI/CD tooling and capabilities

We'd love to meet someone who:

  • Has at least 2 years of AWS and “DevOps” experience.
  • Is a great problem solver who takes pride in their work.
  • Enjoys building scalable and resilient systems, with a focus on systems that are robust by design and suitably monitored.
  • Has a security-first mindset.
  • Has strong experience managing a range of production applications in a distributed and highly available AWS environment.
  • Has experience with and is opinionated about containerization (Docker) and a container orchestration system (e.g. ECS/Kubernetes).
  • Has experience with infrastructure as code (Terraform).
  • Has a deep understanding of Linux operating system and administration skills, and shell-scripting skills.
  • Has a deep understanding of server/network security concepts and implementations.
  • Programming knowledge, preferably Python.
If you're not sure that you exactly fit all of the above criteria, please do get in touch anyway. We're always willing to speak to great candidates even if you don't feel you meet every criteria listed!
Tessian is an equal opportunity employer, committed to equality and diversity amongst both our employees and prospective applicants. The Human Layer we're securing is diverse, and we know we need to be diverse and inclusive to successfully create HLS that reflects this. You can read our equality and diversity statement here.
As part of our commitment to equality and diversity, we're also a corporate member of the WISE Campaign for gender equality in STEM & we're a founding member of the WEDS network driving diversity & inclusion in startups.
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