Senior Security Engineer

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 Security Engineering & Operations team is responsible for providing proactive and reactive security solutions in support of the business, our product, and our customers. This includes enabling the security of our enterprise SaaS, corporate endpoints, and cloud infrastructure while partnering with Engineering, IT, Trust & Compliance, Legal, and other key stakeholders.  Responsibilities  Provide security expertise and guidance in support of new projects and technologies.Perform operational security tasks, including triage of security tickets/events and performing security incident response activities when necessary.Contribute to the design and implementation of secure cloud infrastructure at scale.Perform risk assessments and build threat models of core corporate and cloud infrastructure.Harden our clients, servers, and cloud infrastructure.Contribute to the selection, deployment, and operation of commercial and open source security tools.Contribute to the development of internal security tools with a potential to contribute to open source.Key Working Relationships: The Security Engineering & Operations team partners with a larger number of cross-organizational partners, including Sales, Customer Success, Legal, Engineering, Product, Business Operations, IT, and the broader Security teamQualifications:Knowledge of the threat landscape relevant to SaaS products, common attacks and mitigation methods.Experience providing operational support for internal security tooling and for incident response activities.Ability to develop tools using an interpreted programming language (Golang, Python, Ruby, etc.).Familiarity with modern development processes, paradigms, and toolchains.Knowledge and experience in :securing modern operating systems, cloud infrastructure, distributed applicationsIdentity and access managementvulnerability management and remediation.Proven ability to work asynchronously with globally distributed stakeholdersExcellent written and verbal communication skills and exceptional emotional intelligenceExperience making important decisions independently and prioritizing work effectively in a dynamic environmentStrong analytical skills and the ability to use data and metrics to back up assumptions, recommendations and drive decisionsIf 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.By submitting your application to Tessian, you consent to Tessian retaining your information and contacting you about future job opportunities, that may be of interest, for up to 2 years in accordance with our Privacy Policy