Preply

Senior II Security Engineer - Platform

Hybrid

Part remote, part office, you need to live within commuting distance of a named location.

Hybrid · London

Employer listed it 7 weeks ago · Added yesterday

Been open since 7 weeks ago. Long-running listings are sometimes left up after the role is filled.

Salary

Not stated

Location

Hybrid · London

Timezone

Not stated

Contract

Full-time

Experience

Senior

Remote flexibility

Hybrid

This role is only partly remote, the employer expects time in the office around London, Hybrid, so you need to live within commuting distance.

What the employer says

Source listing states candidate location: "London, Hybrid"
Listing mentions "Hybrid"

What Nomaders makes of it

Not suitable if you plan to move between countries

The quotes above are the employer's own words; the reading is ours. Always check the original listing and employment terms before working from another country.

About the role

We power people’s progress.

At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.

We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale.

Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day.

Meet the team!

The Security team partners across the company to help Preply grow safely and sustainably. We are responsible for platform security, application and product security, security operations, and incident response. We work closely with SRE, Data teams, Engineering teams, and our GRC function to make security practical, measurable, and scalable.

We work in small teams, which means you’ll have high ownership, real influence on technical decisions, and the opportunity to drive meaningful improvements across the company. We promote self-direction, strong collaboration, and a culture where trust and clear communication matter.

We’ve reached 90%+ adoption of AI coding tools across engineering, and we’re now moving towards more autonomous, AI-Augmented development at scale. At Preply, engineers have direct access to the best tools available, with the freedom to use them fully and experiment as they build.

We have diverse technical challenges that will allow you to develop your skills across the stack - sometimes we write about them in our Engineering Blog ! Please, also visit our Tech Radar and our YouTube channel to learn more about the technologies we use at Preply!

What you’ll be doing:

Own platform security across AWS, Kubernetes, and GCP, with a strong focus on detection, alerting, and incident response readiness

Lead key platform security initiatives end-to-end, from problem definition through rollout and iteration

Act as a strong technical voice in defining how platform security is designed, implemented, and operated at Preply

Evolve our monitoring from “we have a SIEM” to a detection and response capability that is effective, trusted, and actionable

Work hands-on with our current tooling, including Datadog as our SIEM, Okta as our primary IdP, and a range of SaaS platforms

Drive cross-functional platform security initiatives from problem definition to production rollout, partnering with SRE, Data, Engineering, and GRC

Strengthen cloud and platform security across AWS and Kubernetes, with expanding scope in GCP, through practical guardrails, secure patterns, and automation

Improve the robustness of access to internal infrastructure, including identity, privileged access, and auditability

Improve security of Kubernetes deployments, including cluster and workload security, policy enforcement, and secure workload identity patterns

Mature detection and response capability using Datadog

Improve log coverage and data quality (cloud, Kubernetes, CI/CD, identity, and key SaaS)

Build and tune actionable detections with clear severity, ownership, and expected frequency

Reduce noise through correlation, deduplication, enrichment, and continuous tuning

Establish repeatable triage workflows and clear escalation paths, being part of the Security on-call rotations

Requirements

·Willingness to participate in on-call rotations and partner effectively with SRE during incidents.
·Terraform and infrastructure as code at scale
·Jenkins hardening and CI/CD supply chain security controls
·Cloudflare security controls (WAF, bot mitigation, edge protections)
·Scripting or programming for automation and tooling

Benefits

·Strong communication skills. Minimum C1 English level.
·Willingness to participate in on-call rotations and partner effectively with SRE during incidents.
·Terraform and infrastructure as code at scale
·Jenkins hardening and CI/CD supply chain security controls
·Cloudflare security controls (WAF, bot mitigation, edge protections)

How to apply

1Check the flexibility label above, hybrid, matches where you plan to live and work.
2Tailor your CV to the role at Preply, mentioning your remote working experience.
3Apply directly on the employer's careers page using the button below. Nomaders never handles your application.

Found 1d ago. Last checked today. Always confirm the details on the original posting, salary and location can change after publication.

Listing sourced from Company boards.