Threat Researcher 2

Arctic Wolf Networks Ireland Limited; Cork; On-site; EUR 48,000 - 105,000; Full time

Benefits offered by this job

Equity for all employees

28 days annual leave

Private medical plan

Pension plan

EAP program

Employee discount

Job summary

Arctic Wolf Networks Ireland Limited is seeking a Threat Intelligence Content Engineer to develop detection and telemetry rules for Aurora Focus (EDR). You will translate investigations into new content, tune detections, and work with Security Services on emerging threats.

A strong foundation in threat research, MITRE ATT&CK, and scripting is essential. You will manage multiple tasks, document new tools and processes, and participate in regression testing, production releases, and Purple Teaming

Qualifications

• 2+ years in threat intelligence or threat research
• Experience applying MITRE ATT&CK to intelligence products
• Experience analyzing application and infrastructure telemetry
• Experience analyzing phishing and malware campaigns and data breaches
• Understanding of SIEM/XDR/EDR tooling
• Experience using Python scripts
• Understand JSON and regex usage
• Linux and MacOS Terminal usage
• Basic shell scripting (.sh/.bat)
• Experience with Git repositories
• Experience with Virtual Machines (VMware)
• SQL knowledge; Databricks is a plus
• Knowledge of LOLBins/Sigma Rules

Responsibilities

• Analyse, research, and develop new content for Aurora Focus using MITRE ATT&CK.
• Convert investigations into new content (detection/telemetry rules).
• Collaborate on investigations regarding threats to generate new detection rules.
• Fine tuning of detections and false positives; implement exclusions or logic changes.
• Push production releases and notification emails.
• Participate in Purple Teaming exercises and threat briefings.
• Generate metrics over Databricks Dashboard.
• Deliver regular threat briefing presentations to stakeholders.

Skills

MITRE ATT&CK

Python scripting

Regex usage

Git repositories

Linux terminal

SQL knowledge

Threat intelligence

Tools

VMware Workstation

Databricks

Elastic Stack

Kibana

Grafana

Sigma Rules

Job description

#RunwiththePack At Arctic Wolf, we're on a mission to end cyber risk.

We are a global leader in security operations, helping organizations stay resilient against evolving cyber threats through industry-leading security operations, threat intelligence, and a people-first approach to cybersecurity.

More than 3,000 Pack members across the world work together every day to protect our customers and empower security teams with new levels of speed, accuracy, and intelligence at scale.

What sets us apart is our relentless focus on our customers, innovation at scale, and a collaborative culture where talented people can do meaningful work that truly makes a difference.

We're constantly looking for talented people to join the Pack and help us take our performance to the next level.

About the Team:

Arctic Wolf Threat Content Team is the owner and intellectual author of the telemetry and detection rules of our Aurora Focus (EDR) product, part of Aurora Endpoint Defense. Our Team started only 4 years ago in BlackBerry-Cylance. Since then we have developed many internal tools to streamline our daily tasks, defined work standards and how to create content (detection/telemetry rules), and high fidelity content (fine tune processes, reduce f+), created quality assurance processes (Unit Test, Regression and E2E Testing), communication channels with other areas of Threat Intel and Security Services, without neglecting our main mission which is end cyber risk.

About the Role and Responsibilities:

• Analyse, research, and develop new content for Aurora Focus, applying MITRE ATT&CK framework.
• Convert investigations performed by our Threat Teams: TRI\\ATD\\CTI into new content (detection/telemetry rules).
• Customer Escalation (BFD), collaborate with Security Services teams on investigations regarding emerging threats, to generate new detection rules.
• Fine tuning: determining true threats or false positives, and providing solutions, like exclusions, logic change or decreasing severity.
• Python scripting to automate new internal tools or projects.
• Ability to effectively manage multiple tasks simultaneously; coordinating and ensuring scheduled goals are met.
• Maintain documentation up to date: about a new tool or process we add.
• Run regression and end-2-end testing.
• Push production releases, and notification emails.
• Participate in Purple Teaming exercises.
• Generate metrics over Databricks Dashboard.
• Deliver regular threat briefing presentations to internal & external stakeholders on topics ranging from threat actor campaign activity, novel TTPs, and emerging malware or exploits.
• Utilize best practices for threat research and documentation and deliver high-quality detection rules.

About You

• Relevant experience in a professional setting for threat intelligence or threat research roles, 2+ years.
• Experience with applying the MITRE ATT&CK framework to intelligence products and associated depth of analysis for each TTP and threat actor represented in this body of knowledge.
• Experience analysing application and infrastructure telemetry (application logs, network flow logs, audit logs, metrics, core dumps, etc.).
• Experience analysing and deriving intelligence from phishing and malware campaigns, vulnerabilities being exploited in the wild, supply chain attacks, and Data breaches.
• Understanding of threat protection/detection tooling/stacks: SIEM, XDR/EDR.
• Experience working with Python scripts.
• Understand Json format and regex usage.
• Linux and MacOS Terminal usage.
• Basic .sh/.bat scripting knowledge Windows sysinternals.
• Experience using Git repositories (GitHub, Git Bash, GitLab).
• Experience using Virtual Machines (VMware workstation).
• SQL Knowledge, Databricks is a plus.
• Lolbins/Lolbas Knowledge.
• Sigma Rules Knowledge.
• Excellent written and verbal communication skills.
• Resourceful self-starter with a positive, can-do attitude.

Nice to Have:

• Experience with Agile Methodology.
• Experience using Elastic search, Kibana or Grafana.
• You have delivered presentations on cybersecurity or cyber threat intelligence at industry conferences or meetups.
• You have participated in sharing of threat intelligence through ISACs, Trust Groups, intelligence partnerships, or via other open communities.
• CISSP, OSCP, GCTI or other relevant certifications are a plus.

Benefits

• Equity for all employees.
• 28 days annual leave, 10 public holidays, and paid volunteering days off.
• Comprehensive private benefits plan including medical, optical and dental, life insurance and group income protection.
• Pension Plan with employer contribution.
• Robust Employee Assistance Program (EAP) with mental health service.
• Employee Discount Program with Beneplace.

Base Salary

The base salary range for this job family is 48,000 to 105,000 EUR annually. This range reflects the base pay the company reasonably expects to offer for this position, aligned to the broader job family base pay structure. Actual base pay may vary based on skills, experience, and location, including job family level. In addition to base pay, Arctic Wolf offers variable incentive compensation, new hire equity grants, and a comprehensive benefits package.

Arctic Wolf is an Equal Opportunity Employer. We are committed to creating an inclusive and accessible workplace and providing reasonable accommodations, appropriate support throughout the hiring process and employment, in accordance with applicable local laws.

If you're excited about this role, but do not meet all the qualifications listed above.

At Arctic Wolf, we recognize that success comes from delighting our customers. We believe in being lean – in constantly building, measuring, and learning in all aspects of our business. We truly value people. All wolves are welcome to join the Arctic Wolf pack, with compelling compensation packages, benefits, and equity for employees.

Arctic Wolf is focused on building a workforce that is diverse and inclusive.

All employees are expected to uphold our commitment to security, privacy, and compliance by following internal information security policies, standards, and controls designed to safeguard the confidentiality, integrity, and availability of business, customer, employee, and other confidential information and to support compliance with applicable legal and regulatory requirements.

Depending on the role and where permitted by applicable law, employment may be subject to background verification and additional regulatory, security, or compliance requirements, including obligations related to data protection and export control laws, and authorization requirements where applicable.

If you require support or adjustments during the recruitment process, please contact [e-mail].