Senior Cyber Security Analyst

We are seeking a Senior Cyber Security Analyst to work with a highly dynamic AdTech ecosystem, aiming to protect the digital world from malvertising.

This role involves direct collaboration with clients, in-depth analysis of web traffic, identification and neutralization of anomalous behaviors linked to malicious bots, fraud patterns, and malvertising campaigns. You will also play a key part in identifying and neutralizing harmful bots and online threats.

If you have a strong background in cybersecurity and a passion for neutralizing emerging threats at scale, we’d like to hear from you.

Customer

Our client provides comprehensive security solutions designed to protect individuals, organizations, and communities from digital threats. Operating across various sectors, the company addresses vulnerabilities and ensures protection against a wide range of risks, especially in the digital space. Their products focus on bot defense and anti-malvertising solutions specifically for AdTech companies. They support onboarding and integration processes for different partners, including Supply-Side Platforms (SSPs), Demand-Side Platforms (DSPs), agencies, and publishers. They offer protection solutions for a variety of use cases, along with a customizable reporting console and APIs that can be seamlessly integrated into clients’ systems.

Responsibilities

• Investigate advanced and persistent attacks using advanced data analysis and data science tools

• Research, design, and enhance detection mechanisms to stay ahead of emerging threats

• Analyze Customer traffic to identify undetected threats and false detections, using mostly ElasticSearch and BigQuery (SQL)

• Participate in go-to-green projects together with Engineering, Research and Customer Success teams

• Support Customers (Tier 2) in real-time, providing professional technical responses

• Work side by side with Customers, providing insightful incident reports

• Communicate with global Customers and provide quick responses and resolutions

• Work with cross-functional R&D and Research teams to optimize company’s ability to detect and mitigate real-time cyber attacks

• Design, plan, and implement projects and automation for internal use

• Be prepared to work shifts (including weekends)

Requirements

• Bachelor’s degree in computer science, information security, or a related field

• 3+ years of experience as a Data Analyst / Cybersecurity Analyst / Cybersecurity Researcher, or a similar role

• Proficiency in building dashboards using BI tools such as Redash, Looker, Imply, or Kibana

• Strong Python skills for data analysis

• Proficient in SQL, including writing complex queries and user-defined functions

• Solid understanding of web architecture and protocols, including CDN, HTML, DOM, JavaScript, HTTP/HTTPS, and IPv4/IPv6

• Strong knowledge of web security and security research, including web application security, bot management, and fraud detection

• Experience with security research methodologies, including hypothesis testing, verification, and awareness of bias

• At least an Upper-Intermediate level of English

Would be a plus: 

• Hands-on experience with cloud data platforms such as BigQuery and Snowflake

• Practical experience of using Jupyter Notebooks

• Basic knowledge of JavaScript

Personal Profile

• Self-motivated and able to drive projects independently

• Strong written communication skills, especially in customer-facing contexts

• Analytical and data-driven decision maker

• Passionate about data, security, and customer success

• Skilled in solving problems using statistical methods