Senior Cyber Security Analyst

• Monitor and investigate potential security threats using tools such as Kibana/OpenSearch and Snowflake. 
• Analyze security logs and investigate suspicious or unusual activity, including spikes in traffic, unexpected changes in attack patterns, and new or disappearing attack signals.  
• Determine whether detected activity is malicious or benign and identify the appropriate response, including detection engineering to block malicious activity when needed.  
• Develop, tune, and deploy detection rules based on traffic behavior, HTTP request attributes, headers, device fingerprints, and other indicators to mitigate malicious activity. 
• Monitor existing detections and known attack patterns to make sure they continue to work as expected and identify any unusual changes in volume, sources, IPs, domains, or other indicators.  
• Support customer onboarding by analyzing web application traffic flows and configuring baseline detection and protection rules. 
• Investigate customer-reported incidents and missed detections, analyze attack traffic, and implement mitigations to improve protection coverage. 
• Document newly discovered threats and attacks, including evidence, findings, and indicators. 
• Communicate findings to Engineering and other stakeholders and provide the necessary technical details to support remediation and improvements to detection and protection mechanisms.  
• Partner directly with counterparts through a ticketing system and support portal to investigate issues, provide updates, and resolve security-related requests. 

• 3–5 years of experience in Cybersecurity, Threat Research, or Threat Intelligence
• Bachelor’s degree in Computer Science, Cybersecurity, Information Security, or a related field
• Strong understanding of web technologies and networking fundamentals, including HTTP/HTTPS, TCP/IP, DNS, authentication, cookies, and browser-server interactions
• Experience in web security research, bot management, fraud detection, or related domains
• Hands-on experience with threat investigations, IOC analysis, and threat intelligence research
• Experience with log analysis and investigation platforms such as Kibana/OpenSearch, Snowflake, Datadog, or similar tools
• Strong SQL skills, including working with large datasets and UDFs
• Basic knowledge of JavaScript for web and client-side analysis
• Strong analytical and problem-solving skills
• Ability to work independently and manage investigations with minimal supervision
• Strong communication and collaboration skills
• Passion for cybersecurity and continuous learning

NICE TO HAVE:

• Knowledge of MITRE ATT&CK, malware analysis, vulnerabilities, and adversary TTPs
• OSINT and cyber threat intelligence research experience
• Python and Jupyter Notebook experience for investigations and automation
• Experience with GitHub and version control workflows