Applied Security Researcher at Aon Boston, MA

Applied Security Researcher

The Applied Security Researcher is a key role within the Proactive Threat Operations (PTO) team s position supports the efforts of both the Cybersecurity Operations Lead and the Proactive Threat Operations Team Lead.

The Applied Security Researcher is responsible for conducting in-depth research, analyzing emerging cyber threats, analyzing security data sets at scale, and developing operational solutions to enhance our security posture. This role involves hands‑on technical work, threat intelligence analysis, tactical engineering, and collaboration with various stakeholders to proactively mitigate risks.

• Conduct in-depth research on emerging cyber threats, attack vectors, and security vulnerabilities.
• Analyze unique data sets to enhance security operations within Aon.
• Analyze malware, exploit kits, and other malicious tools to understand their behavior and develop countermeasures.
• Gather and analyze intelligence from multiple sources to identify potential threats.
• Produce detailed tactical intelligence reports and threat assessments for decision‑makers.
• Develop and maintain threat intelligence feeds and tooling.
• Operationalize threat intelligence information to improve Aon security operations and posture.
• Participate in proactive threat hunting for potential threats and indicators of compromise within the network.
• Utilize multiple data sets to threat hunt and develop signals on techniques to uncover malicious activity.
• Develop hypotheses and threat hunting playbooks based on emerging threats.
• Assist Aon in incident response activities, providing technical expertise and support during investigations.
• Collaborate with the Proactive Threat Operations team, Aon AC3, and other cybersecurity teams to support incident response efforts and activities.
• Collaborate and initiate Red Team and Purple Team efforts within Aon.
• Perform data analysis to identify patterns and indicators of compromise.
• Create and curate signals/detections to enhance threat detection capabilities.
• Assist in the day‑to‑day security operations by developing and implementing security tools and technologies.
• Engineer tactical solutions to address immediate security needs and incidents.
• Collaborate with Aon security operations teams to integrate new security technologies and tools into the existing infrastructure.
• Provide technical support for ongoing security operations.

• 5 years experience in cyber security operations, information technology, threat intelligence, and incident response.
• Hands‑on technical experience with threat intelligence data, analysis, and incident response.
• Experience in threat hunting, security data analysis, developing security tools and playbooks.

• Proficiency in security tools and technologies - SIEM, EDR, and threat intelligence platforms.
• Familiarity with scripting and automation to enhance security operations.
• Experience with detection as code and Dev Ops principles.

• Excellent written and verbal communication skills, with the ability to produce detailed reports and threat assessments.
• Experience working in a collaborative environment with cross‑functional teams.

• Bachelor's degree preferred in computer science or related fields.
• Preferred certifications: CISSP, CEH, GREM, GCFA.

In addition to our comprehensive benefits package, we encourage a diverse workforce. We offer a flexible, inclusive environment that supports well‑being, work/life balance, and learning opportunities. Employees enjoy two “Global Wellbeing Days” each year, a range of working‑style solutions, and a Smart Working approach that goes beyond the place of work.

Aon values an innovative, diverse workplace where all colleagues feel empowered to be their authentic selves. Aon is proud to be an equal opportunity workplace.

Aon provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, creed, sex, sexual orientation, gender identity, national origin, age, disability, veteran, marital, domestic partner status, or other legally…