1 month ago

Red Team - Security Researcher III

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Source: Company careers pageValidated by: Fursa AI

Last checked: 18 hours agoStatus: Live

Job Summary

Senior Security Researcher responsible for threat hunting and penetration testing of internet-facing traffic management and security platforms. Works with Office of the CISO, engineering, security and GRC teams to strengthen posture of large-scale systems. Will develop hypotheses based on MITRE ATT&CK, leverage EDR/XDR tools, analyze intrusions, and produce executive-friendly reports while mentoring junior analysts.

Location: Warsaw

Workplace: Hybrid

Employment Type: Full time

Job Function: Research & Scientific (R&D)

Seniority: Sr. Manager level

Key Responsibilities

•Conduct proactive, intelligence‑driven threat hunts across endpoint, network, SaaS, and cloud data to identify activity that evades traditional security controls
•Develop and test hunt hypotheses based on MITRE ATT&CK, adversary TTPs, and emerging/vulnerabilities
•Familiarity with CrowdStrike Falcon and/or Netskope telemetry to detect suspicious behaviors, lateral movement, and data exfiltration patterns
•Perform deep technical analysis of intrusions, malware, and tools; reconstruct attack chains and identify root cause and detection gaps
•Contribute to detection logic, advanced queries, and automation to operationalize hunt findings at scale

Key Requirements

•5–8+ years of hands-on cybersecurity experience (pentesting, IR, threat hunting, or threat intel) including ownership of complex investigations
•Strong proficiency with at least one EDR/XDR platform, preferably CrowdStrike Falcon and/or Netskope
•Deep understanding of Windows and Linux internals, networks, and attacker tradecraft (persistence, lateral movement, credential access, C2)
•Experience building and running hunts using SIEM/log platforms (e.g., Splunk, LogScale, Elastic, Sentinel) and writing complex queries for anomaly detection
•Solid working knowledge of MITRE ATT&CK and its use in structuring hunts and mapping detections

Experience:5-8 yearsCybersecurityThreat huntingIncident responsePentesting

Skills:CommunicationProblem-solvingLeadership

Certifications:GCTIGCIAGCFAGNFAGREMOSCPCRTO

Languages:English

Tech Stack:CrowdStrike FalconNetskopeMITRE ATT&CKSplunkPowerShellPythonKQLSQL

Company Brief

Provides application delivery networking, load balancing, and security solutions for on-premises and cloud environments, helping organizations optimize, secure, and scale applications and APIs across multi-cloud infrastructures.

Industry: Networking Equipment

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Public Company

Valuation: Public Company (Market Cap in USD)

Funding: IPO / Publicly Listed

Headquarters: Seattle, United States

Founded: 1996

Glassdoor: 3.8

Website LinkedIn

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