Senior Security Engineer

Tessian
Tessian protects every business’s mission by securing the human layer 💫
We're building intelligent security that works for human beings as they are, not how security policies would like them to be. Using machine learning technology, Tessian automatically predicts and eliminates advanced threats on email caused by human error - like data exfiltration, accidental data loss, business email compromise and phishing attacks - with minimal disruption to employees' workflow. As a result, employees are empowered to do their best work, without security getting in their way. You can read more about Human Layer Security here.
Tessian has raised a $74m Series C led by renowned security investors, March Capital (Crowdstrike, Knowbe4), with follow-on from Sequoia, Accel, Balderton, Latitude, Okta, Sozo, Citi & Schroder Adveq, to further our mission to secure the human layer.
Founded in 2013, Tessian is backed by world-class venture capital investors, has hubs in London, San Francisco, Boston, and Austin, and London, and is one of the Top-3 2021 Best Places to Work for Women.
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.  
Key Tasks and 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 team

Desired Skills & Experience

• 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 applications
• Identity and access management
• vulnerability management and remediation.
• Proven ability to work asynchronously with globally distributed stakeholders
• Excellent written and verbal communication skills and exceptional emotional intelligence
• Experience making important decisions independently and prioritizing work effectively in a dynamic environment
• Strong analytical skills and the ability to use data and metrics to back up assumptions, recommendations and drive decisions

Why we think you'll love it here 😍.... 
It’s important to us that all Tessians are part of the journey we’re on, so we offer equity options with every role and benchmark to provide above market rate salaries - there’s plenty more too…. 
Be at your best, both inside and outside of work 
• 25 days of paid holiday (plus 8 bank holidays, and an additional day for every year you've worked at Tessian!) • Private health insurance provided through Vitality Health and mental health support through our Employee Assistance Program • Up to 60 days of working abroad, limited to 30 days per trip a year• Spill - employee mental health support through Slack• Classpass - subsided access to gym time and classes all across London • Choice First: Do your best work, in the way that works best for you• Flexible working hours and working from home (if you're not already remote!) • Enhanced pension contributions, matched up to 5% • We’re family friendly, with policies built to support you in all stages of life • High-quality tech kit provided for you to work on, plus Tessian ANC headphones • If you're relocating to join the team, we'll provide a contribution to help with your costs • Fertility support via Carrot covering adoption, surrogacy support, fertility treatments, support during pregnancy and more
Beyond work 
• Elite membership of the Tessian House System... • Every other Wednesday we get together to share team updates and drinks • Monthly team socials & a big, whole company extravaganza every quarter • Never-ending ping-pong tournaments
,,,and here are another 200 reasons!
Equality & diversity ⚖️
Our mission to empower and protect people is a reflection of two of our values: Human First and We Do the Right Thing. For us, Diversity, Equity and Inclusion is also a reflection of these core values. 
As a human first company, we are committed to creating a diverse, equitable and inclusive environment where all our Tessians have the opportunity to thrive. We strive for a better Tessian, and a better world. We're working inside and outside Tessian to improve diversity and equity in our industry, and foster an environment where everyone feels a sense of belonging.
Our strategy touches each part of a Tessian’s life cycle, from applicant to employee, ensuring that we keep DEI at the core of every point in our candidate and employee experience. Read more about our DEI commitments here.
Obligatory small print
Please note that we do not accept applications or résumés from recruiters. Any unsolicited CVs, profiles, or names, submitted in any format, by any channel, to any of our team, will be deemed to fall outside any terms and/or conditions with either the person submitting the information or their company of employment/representation.
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
Please note, that any job offers will be subject to the candidate passing background screening checks.
We're a #LI-Remote company offering Choice First working practices where possible.