Senior Security Engineer
Location: Athens, GR · Category: Engineering & Development · Seniority: Senior · Posted: October 16, 2026 · Verified: Nov 2, 2026
Role Overview & Description
Track team expansion and market signals for GWI
Polaris7 monitors open roles, strategic market movements, and M&A developments in real time. Get automated intelligence briefings on GWI and benchmark against direct competitors.
GWI
gwi.comConsumer insights platform built on proprietary global survey data.
Unlock full company profile, competitors & live market signals for GWI
Similar Positions in DACH
Related roles across advertising, media, and data
This role secures software systems and infrastructure by conducting threat modeling, implementing security controls, and responding to incidents. The engineer will work across the stack to identify and mitigate vulnerabilities in Anduril's defense technology platforms.
This Senior Security Engineer monitors, investigates, and responds to security activity across cloud, identity, endpoint, and Linux-based environments. The role involves reviewing logs from AWS, GCP, Active Directory, and security tools, writing scripts for automation, and supporting incident response with after-hours availability. It requires 3-5 years of security operations experience, strong scripting skills, and hands-on SIEM platform knowledge.
This Security Engineer III role focuses on securing AWS and GCP environments, integrating security into CI/CD pipelines, and managing vulnerabilities across applications and infrastructure. The engineer will implement security controls, automate security processes, and support compliance with SOC 2 and ISO 27001. Requires 6-10 years of experience in cloud/application security or DevSecOps, with hands-on knowledge of Kubernetes, Terraform, and security scanning tools.
This Security Engineer designs, implements, and maintains security architectures across cloud, third-party, and on-premises environments, with a focus on integrating security into CI/CD pipelines and DevSecOps practices. The role involves managing encryption, cryptographic keys, identity solutions like Okta and Keycloak, and ensuring compliance with NIST, SOC 2, ISO 27001, and Cyber Essentials. It requires 5+ years of security engineering experience, proficiency in Python, Java, or C++, and hands-on experience with cloud platforms and security tools.
More Positions at GWI
3 more open roles
The Account Director will manage and expand relationships with top-tier enterprise tech and media clients like Meta and Microsoft, driving revenue growth through strategic account planning, negotiation, and closing opportunities. The role requires deep knowledge of the SaaS revenue model, consumer research, and the digital media landscape, with a focus on building C-level trust and delivering tailored presentations using GWI datasets. Success involves proactive outbound engagement, meticulous Salesforce tracking, and staying abreast of product and industry developments.
This Senior Research Analyst role leads end-to-end market research projects for agency clients, from kickoff and survey design to insight-driven reporting. The role requires 2+ years of agency-side research experience, strong storytelling with data, and the ability to manage complex multi-market trackers and fast-turnaround studies. It is a 9-month fixed-term contract covering caregiver leave, based in London with hybrid work.
This Senior Product Manager role owns a new suite of AI and ML-powered data products for the market research industry. Responsibilities include defining the vision and strategy, working with Data Science and ML Engineering on models and pipelines, and shaping the approach to responsible AI, data governance, and explainability. The role requires experience shipping AI/ML products at a B2B SaaS company and comfort with large-scale survey or behavioral datasets.
