Senior Engineer II, AI Security - Platform Engineering

Forter; London; On-site; GBP 80,000 - 120,000; Full time

Job summary

As an AI Security Engineer at a leading company, you will play a vital role in securing a high-scale, real-time decision-making platform. You'll develop and implement security strategies for Generative AI, ensuring robust security while managing risks across a dynamic engineering environment.

Benefits

Quarterly company bonus

Private health insurance

Restricted Stock Units (RSU’s)

Generous PTO policy

Half day Fridays

Work from home allowance

Pension plan

Qualifications

• 5-6+ years of experience in security roles.
• 3+ years working with production systems in public cloud.
• Deep understanding of tech stack security.

Responsibilities

• Own and innovate security strategy for Generative AI.
• Collaborate with engineering teams on security best practices.
• Design and maintain security infrastructure tools.

Skills

Communication

Cloud Security

Risk Assessment

Education

Bachelor's degree in Computer Science or related field

Job description

United Kingdom - London

About the role:

As an AI Security Engineer in the Platform Engineering team, you’ll play a critical role in securing Forter’s high-scale, real-time decision-making platform. You’ll drive security strategy and execution for Generative AI, including all external and internal products used or built by Forter. You will be managing the risks by designing controls and guardrails, while striking a balance between development velocity and robust security. If you're passionate about AI and have the skills for building security into the foundations and code of fast-moving engineering teams, this role offers the autonomy and impact you're looking for.

You will be responsible for safeguarding Forter's highly sensitive internal data by designing access controls, developing security features and deploying security products in the company’s cloud tech stack, including identity and access management, network infrastructure, security monitoring and automation, and more.

You will represent the Security Team as a point of contact and source of knowledge, working with management, InfoSec and Legal teams, and across the R&D department.

About the team:

We are a team of experienced security practitioners and hands-on engineers. We manage a complex set of cloud applications and infrastructure, with petabytes of sensitive data in numerous datastores and thousands of cloud compute instances providing the logic for real-time decision making. Our product is based on ML and increasingly uses AI in its features and interfaces as well as development.

The main challenge we need to meet is the security and privacy of our highly sensitive internal data. We face sophisticated external attacks in a highly available production system, and now threats related to increasing AI rollout and its rapid evolution. We work closely with product engineering teams, building new products and features while also re-evaluating and overhauling everything the company built over the years. Our interfaces are Forter’s e-commerce customer companies, but also the internal R&D teams, Legal, InfoSec, and C-level management. We are enablers by nature, and maintain an excellent working relationship with other teams across R&D.

Why should you join us?

Take an active role with great impact and ownership potential, work independently and within the team to shape the security process across Engineering during an active growth phase of the company.

What you will be doing:

• Own and innovate the security strategy for Forter’s use of Generative AI, ensuring high development velocity while handling rapidly evolving threats.
• Collaborate with engineering teams to embed security best practices early, balancing protection with development velocity.
• Perform risk assessments and negotiate with other teams on where to invest effort.
• Design, build, promote, and maintain security infrastructure and tools used by all of Forter's engineering teams.
• Mentor and build relationships with “Security Champions” in Engineering to design and build secure applications

Who You Are (Must-Haves)

• 5-6+ years of experience in the relevant fields:
• 3+ years experience in a security-focused role
• 3+ years working with production systems in public cloud environments (AWS / GCP / Azure / Kubernetes) OR
• 3+ years experience with programming and infrastructure-as-code (Python, NodeJS, Go, Terraform, CloudFormation, etc.)
• Deep understanding of security across every layer of the tech stack (OS, Network, Application, Database, Storage, etc.)
• Excellent communication skills, including the ability to drive cross-team security initiatives

Nice-to-Have

• Experience with security in the AI model lifecycle, LLMs and agentic AI
• Experience with threat modeling, security audits, penetration testing, or SAST tools
• Contributions to security research, blogs, talks, or open-source security projects

Benefits include:

• Quarterly company bonus
• Private health insurance, including vision and dental coverage
• Restricted Stock Units (RSU’s)
• Generous PTO policy
• Half day Fridays, every Friday
• Work from home allowance
• Pension plan with an option for salary sacrifice

About us:

Digital commerce is built on trust. At every point along the eCommerce journey, businesses must make a critical decision: Can I trust this customer? Answering this simple question accurately and instantly is powerful—it can accelerate revenue growth and strengthen a company’s connection with its customers. How do we do it? Forter was founded on the insight that it's not about what is being purchased, nor where— but who is behind the interaction.

The Forter Decision Engine finds patterns across more than one billion identities in our dataset. We isolate fraudsters and protect customers—ensuring everyone gets the experience they deserve. Given that trust is central to how we operate, Forter is very much driven by a defined set of values. We attract remarkable talent and have retention and engagement levels that are well above benchmarks. We’re meticulous about strengthening our culture as we grow and ensuring this is an environment where people can have outsized impact.

Trust is backed by data – Forter is a recipient of over 10 workplace and innovation awards, including:

• Great Place to Work Certification (2021, 2022, 2023)
• Fintech Breakthrough Awards – Best Fraud Prevention Platform (2023)

Life as a Forterian:

We are a team of over 500 Forterians spread across 3 different continents. Since 2013, we've raised $525 million from investors such as Tiger Global, Bessemer, Sequoia Capital, March Capital and Salesforce Ventures. We're on a mission to bring trust to global digital commerce so that companies like Nordstrom, Priceline, Instacart and ASOS can block fraud, drive revenue and improve customer experience.

At Forter, we believe unique people create unique ideas, and valuable experience comes in many forms. So, even if your background doesn't match everything we have listed in the job description, we still encourage you to apply and tell us why your skills and values could be an asset to us. By welcoming different perspectives, we grow together as humans and as a company.

Forter is an Equal Employment Opportunity employer that will consider all qualified applicants, regardless of race, color, religion, gender, sexual orientation, marital status, gender identity or expression, national origin, genetics, age, disability status, protected veteran status, or any other characteristic protected by applicable law.

If you need assistance or an accommodation due to a disability, please email us at [e-mail]. This information will be treated as confidential and used only for the purpose of determining an appropriate accommodation for the interview process.

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