Defence. Technology. European security.
MSSG NEWS / JOBS
Browse European openings at cybersecurity companies and security-related roles across our monitored employers. Opportunities can span engineering, research, incident response, customer support and commercial teams.
Browse current vacancies (630) ↓Distinguish product security from security operations, threat research and industrial-system protection. Check the technologies, customer environments and on-call expectations in the listing. A commercial role at a security vendor belongs to the sector but should not be confused with a hands-on security engineering position.
630 vacancies · 39 employers
Most represented functions: Engineering (336) · Business development (103) · Research (32) · Production & operations (7)
Browse vacancies ↓ARX Robotics · Ajax Systems · Alice & Bob · Anduril · Anthropic · Cato Networks · Chainguard · Civitta · Cohere · Corelight · Dragos · Elastic · ElevenLabs · Exein · Filigran · Fractile · Huntress · IonQ · Isar Aerospace · Nebius · Northwave Cyber Security · Novaspace · Nozomi Networks · OpenAI · Proton · Recorded Future · Saviynt · SentinelOne · Sine Engineering · Snyk · Sonar · Swarmer · Synthesia · Tenable · Tesorion · Tines · Torq · Vectra AI · Wiz
Employer listings, checked daily. Descriptions retain their source language. This collection covers monitored employers, not the whole market.
Paris
Based in our Paris office, you’ll join one of several high-impact product teams focused on Inbox (Proton Mail and Calendar), Proton Account, Lumo, and Meet, helping build the foundational experiences that power Proton’s ecosystem and the next generation of privacy-first products. From authentication, identity, and account security to privacy-preserving AI experiences and secure online collaboration tools, you’ll work
CheckedParis; London
Our Growth Studio is looking for a talented Motion Designer to join a passionate web & design team. In collaboration with the marketing, product, and branding teams, you will join the Growth Studio to contribute with other designers to design a best-in-class motion experience. We’re looking for a crafter of amazing visuals & motions to create exceptional design. You are not only exceptionally talented at implementin
CheckedGeneva, Switzerland, Paris, France
You'll join the engineering leadership team, helping turn technical strategy into execution and contributing to a more privacy centric internet. We're looking for an Engineering Manager with a strong mobile focus. That means a track record of building and scaling customer facing mobile applications, in B2C or B2B, for millions of users on iOS and/or Android. Beyond technical depth, our Engineering Managers bring stro
CheckedLondon; Paris; Geneva
Develop the Proton Mail product strategy to achieve business goals in terms of weekly users, revenues, ARR and P&L growth. Drive the execution of the product roadmap from inception to launch, define product vision and strategy Manage, coach, and grow a team of Product Managers, setting clear priorities, raising the bar on product craft, and building out the team as scope expands Partner with engineering, marketing an
CheckedLondon, Geneva
Own the visual and interaction quality of one or more Proton products — from early concepts through production, until what ships matches the design intent Design interfaces that make sophisticated privacy and security features feel intuitive and trustworthy — without oversimplifying what's underneath Craft visual systems — typography, hierarchy, spacing, color, iconography — that scale across millions of users Design
CheckedGeneva; Barcelona; Vilnius
Work closely with a group of Back-End Engineers and Architects to build resilient, massively-scalable solutions for millions of people to rely on Collaborate with teams of client application developers and product management to ensure that the back-end meets critical business and reliability requirements Document back-end capabilities and their proper use so that all Proton VPN clients can implement correctly-functio
CheckedGeneva, Switzerland, Paris, France
Design, build, and operate resilient Storage infrastructure for Proton’s most critical production services Develop and maintain automation tools to enhance deployment processes, configuration management, and service reliability Improve monitoring, alerting, and incident response to maintain high availability and rapid issue resolution Optimize and scale Proton’s infrastructure Collaborate with product and security te
CheckedParis;Geneva;Barcelona
Own and scale CI/CD infrastructure handling tens of thousands of jobs daily and growing — that means capacity planning, runner architecture, and making the platform reliable as load patterns shift in ways that don't follow simple rules Deepen our GitOps workflows built on ArgoCD, from day-to-day operational improvements to more structural work on how we manage cluster state across environments Advance our supply chai
CheckedLondon; Paris
Design and build shared libraries, framework layers, and internal services used across every Proton product Turn recurring patterns into good abstractions Write documentation and examples people actually use, and treat adoption as part of shipping Improve the day-to-day: build times, local dev setup, test ergonomics, debuggability, developer experience Work in the open with product teams — RFCs, design reviews, and t
CheckedBarcelona; London; Geneva
We are looking for a Senior Product Manager to lead the development of Proton VPN in the B2B market space. Product at Proton sits at the intersection of Engineering, Growth, Data and Design. Your responsibility will be to participate in developing the product features from scratch with huge potential while Proton is entering a new market. You will be working cross-functionally together with R&D, Security, Back-End te
CheckedLondon; Paris
Own the B2B product strategy for Mail and Calendar in partnership with central B2B leadership and other business units - identify what organizations need (admin controls, org management, integrations, compliance features) and sequence it against consumer priorities Lead features from first principles through post-launch measurement, working directly with Engineering, Design, Marketing, Sales, and Data Talk directly w
CheckedLondon
Own the lifecycle for your portfolio. From string freeze to general availability — initiation, planning, execution, closure. Coordinate Product, Design, Engineering, Marketing and Support against fixed release dates, and be the person who knows whether a locale is actually ready to ship. Run the machine. Administer our TMS and CAT workflows, keep handoffs clean between stakeholders, and maintain the assets that make
CheckedBarcelona; Geneva;
We are hiring an engineering manager to lead this team. You will report to the VPN Engineering Director and work from our Geneva or Barcelona office. The fleet keeps growing as more people use Proton VPN. To stay ahead of that growth, the team is investing in two areas, and you will lead both. 1. Automation. Engineers still do much of the provisioning, deployment, and repair work by hand. We want software to do that
CheckedGeneva, Barcelona
Own the visual and interaction quality of one or more Proton products — from early concepts through production, until what ships matches the design intent Design interfaces that make sophisticated privacy and security features feel intuitive and trustworthy — without oversimplifying what's underneath Craft visual systems — typography, hierarchy, spacing, color, iconography — that scale across millions of users Design
CheckedAmsterdam, North Holland, Netherlands
Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful cha
CheckedGermany
Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful cha
CheckedPoland
As a Windows Low Level Engineer - Endpoint security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments. You will build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure while solving complex performance and stability challenges
CheckedBrno, South Moravian, Czech Republic
As a Windows Low Level Engineer - Endpoint security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments. You will build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure while solving complex performance and stability challenges
CheckedPrague, Czech Republic
As a Windows Low Level Engineer - Endpoint security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments. You will build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure while solving complex performance and stability challenges
CheckedSpain
As a Windows Low Level Engineer - Endpoint security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments. You will build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure while solving complex performance and stability challenges
CheckedItaly
As a Windows Low Level Engineer - Endpoint security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments. You will build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure while solving complex performance and stability challenges
CheckedPrague, Czech Republic
As a Senior Software Engineer, you will own end-to-end development of new agent capabilities, from researching Linux and cloud security technologies to designing detection strategies and delivering them at scale. You’ll work across kernel-level components, user-space engines, and cloud-native security features, tackling complex system engineering challenges. Your work will enhance the security of Linux and cloud work
CheckedBrno, South Moravian, Czech Republic
As a Senior Software Engineer, you will own end-to-end development of new agent capabilities, from researching Linux and cloud security technologies to designing detection strategies and delivering them at scale. You’ll work across kernel-level components, user-space engines, and cloud-native security features, tackling complex system engineering challenges. Your work will enhance the security of Linux and cloud work
CheckedCzech Republic
As a Senior Software Engineer, you will own end-to-end development of new agent capabilities, from researching Linux and cloud security technologies to designing detection strategies and delivering them at scale. You’ll work across kernel-level components, user-space engines, and cloud-native security features, tackling complex system engineering challenges. Your work will enhance the security of Linux and cloud work
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