Senior Application Security Manager

Pleo · London

Full Time senior tech
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About Pleo

Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses ‘go beyond’.

The word ‘Pleo’ actually means ‘more than you’d expect’, and living by that mantra has been the secret to our success over the last 10 years.

Now, we’re at a pivotal moment in our journey; every move we make has a direct impact on our 40,000+ customers, our business, and our collective success. We need people who take pride in uncovering customer needs, who turn complex problems into simple solutions, challenge the way things are done (respectfully), and always aim high. With great ambitions driving us forward, we can’t say we’ve got this whole thing figured out. And frankly, that’s half the fun! What we can say is that we’re a driven, progressive, and, importantly, a kind bunch of 850+ people from over 100 nationalities, all committed to delivering the future of business spending, together.

About the role

We're looking for a Senior Application Security Manager to join our Cybersecurity team at Pleo. In this role, you'll own vulnerability management and set the long-term application security strategy, turning a growing stream of signal into a risk-ranked plan the engineering organisation can actually act on. If you're a player-coach who wants high leverage with low bureaucracy, and you'd rather mature a program than maintain one, then this is the opportunity for you!

Who you'll be working with and reporting to

You'll report to our VP of Fraud & Security and lead a small AppSec team with dotted lines to other security members. Your primary customers are Pleo's engineering squads, and your closest partners are DevSecOps, who feed you signal and automation, alongside SecOps, Risk & Compliance, Privacy, and Legal. Our team is highly collaborative and dedicated to keeping Pleo and its customers safe. You'll also have the chance to shape how the wider organisation thinks about security, well beyond your own team.

What you'll be doing

As a Senior Application Security Manager, you will:

What you bring

You'll thrive in this role if you have:

Why is this role a good fit for you

This role is a good fit for you if:

This role is not a good fit for you if:

How you'll develop in this role

In your first 6 months at Pleo, you'll:

By 12 months, the goal is a documented, repeatable security program with proactive threat monitoring in place, regulatory readiness for new markets, and a team that can scale.

We're committed to helping you develop your career, whether that means taking on bigger projects, stepping into broader leadership, or acquiring new skills.

The location

Please note: We can hire on a remote, hybrid or in-person set-up in any of the locations listed on the advert but you will need to be physically based in the country of your choice with a valid right to work. We are unable to offer visa sponsorship for this role in any of the listed locations.

Show me the benefits!

The interview process

We want to ensure you are set-up for success and understand what will be expected of you. If your application is successful, our interview process is as follows:

  1. Intro call: A 30-minute chat with our Talent Partner to discuss the role, your background, and how you feel about the player-coach shape of the job.

  2. Hiring Manager interview: a 60-minute conversation with our security management team, covering your AppSec depth, your evidence of maturing an existing program, and your partnership mindset.

  3. Technical interview: a 60-minute deep dive with our AppSec team on your hands-on application security expertise.

  4. Cross-functional interview: a 30-45 minute conversation with Privacy, Legal, and Risk & Compliance on how you work across those boundaries.

  5. Leadership interview: a 45-minute conversation on mentoring and growing engineers, and influencing without authority.

About your application

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Posted 16 Aug 2026 · ref 303882