Sr Threat Hunter Researcher

JR United Kingdom; Watford; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading cybersecurity company is seeking a Senior Threat Hunter to join their Unit 42's Managed Services group, focusing on proactive threat detection and developing advanced hunting techniques. The role involves collaboration with cybersecurity experts to enhance clients' protective measures against evolving cyber threats.

Benefits

Flexible benefits package

Commitment to diversity and inclusion

Opportunities for personal development

Qualifications

• Proven cybersecurity research experience, specializing in APTs or cybercrime.
• Experience investigating targeted threats in endpoints and networks.
• Strong analytical and technical writing skills.

Responsibilities

• Search for malicious activity and develop new hunting techniques.
• Collaborate with Incident Response and Threat Intelligence teams.
• Guide customers on protection strategies and improve solutions.

Skills

Cybersecurity expertise

Incident response

Threat intelligence

Attention to detail

Communication skills

Python

SQL

Education

Eligibility for UK Security Clearance (SC)

Background in forensic analysis

Tools

IDA Pro

Ollydbg

Wireshark

Job description

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Sr Threat Hunter Researcher, Watford, Hertfordshire

Location: Watford, Hertfordshire, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views: 4

Posted: 16.06.2025

Expiry Date: 31.07.2025

Job Description:

Our Mission

At Palo Alto Networks, everything starts and ends with our mission: being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on challenging and disrupting the way things are done, seeking innovators committed to shaping the future of cybersecurity.

Who We Are

We take our mission seriously and are relentless in protecting our customers. We believe every team member's ideas contribute to our success. Our values, crowdsourced from employees, are reflected in our everyday actions—disruptive innovation, collaboration, integrity, and inclusion. We work fast, value ongoing learning, and respect each individual, offering programs supporting personal development and wellbeing, including FLEXBenefits, mental and financial health resources, and personalized learning opportunities.

Job Description

Your Career

Palo Alto Networks seeks a senior Threat Hunter for Unit 42's Managed Services group. Threat Hunters proactively search for threats across datasets, focusing on malware, threat actor groups, and campaigns. This role requires cybersecurity expertise, incident response, threat intelligence, and technical skills.

Responsibilities include searching for malicious activity, using advanced tools, developing new hunting techniques, and collaborating with Incident Response, Threat Intelligence, and cybersecurity leadership.

Your Impact

• Help organizations stay ahead of cyber threats
• Guide customers on protection strategies
• Identify and analyze new threats to improve solutions
• Share knowledge and findings to influence the industry
• Collaborate with research and development teams
• Contribute to a safer digital world

Qualifications

Your Experience

• Eligible for UK Security Clearance (SC)
• Understanding of threat landscape, attack tools, tactics, networking, and security fundamentals
• Experience investigating targeted threats in endpoints and networks
• Proven cybersecurity research experience, specializing in APTs or cybercrime
• Background in forensic analysis and incident response tools (e.g., IDA Pro, Ollydbg, Wireshark)
• Knowledge of APT operations and organizational cybersecurity measures
• Excellent communication skills in English
• Strong attention to detail
• Knowledge of threat hunting methodologies and developing techniques
• Experience in Incident Response is a plus
• Proficiency in Python and SQL is beneficial
• Familiarity with reverse engineering is advantageous
• Ability to simplify complex ideas
• Experience writing technical reports and analysis blogs
• Ability to analyze malicious campaign infrastructure
• Self-starter, adaptable to changing priorities

Qualifications

Applicants must be eligible for UK Security Check (SC) clearance, including recent UK residency and British citizenship. Without this, applications cannot proceed.

Additional Information

The Team

Unit 42 is a global threat intelligence team sharing research on adversaries, malware, and campaigns. We uncover and document behaviors and share insights to improve industry defenses.

If you're passionate about cybersecurity research and hunting threats, join us. We offer opportunities to work on impactful projects in a dynamic, inclusive environment.

Our Commitment

We value diversity and inclusion, providing accommodations for individuals with disabilities. All information is confidential according to EEO guidelines.