Senior Email Security Engineer

The Platform Security Engineering team under the Counter Threat Engineering organization is seeking a highly skilled and motivated Email Security Engineer. This team leverages DevOps and GitOps practices to provide engineering support for security platforms that are critical to the defense of Aon. The primary responsibility of this role will be to manage and enhance email security tools, with additional support for other endpoint and telemetry platforms. Aon is in the business of better decisions at Aon, we shape decisions for the better to protect and enrich the lives of people around the world. As an organization, we are united through trust as one inclusive team and we are passionate about helping our colleagues and clients succeed.

What The Day Will Look Like

• Oversee the deployment, configuration, and management of email security tools to protect against phishing, spam, malware, and other email-borne threats.
• Collaborate with the security operations team to analyze email security incidents and implement preventive measures.
• Develop and maintain automation scripts and tools to streamline email security operations using DevOps and GitOps practices.
• Assist in the management and enhancement of other endpoint and telemetry security platforms.
• Work with cross-functional teams to integrate email security solutions with other security and IT systems.
• Stay up-to-date with the latest email security threats, trends, and technologies to ensure Aon's defenses remain robust.
• Provide technical guidance and support to other team members and stakeholders regarding email security best practices.

Skills And Experience That Will Lead To Success

• Bachelor's degree in Computer Science, Information Security, or a related field.
• 5+ years of experience in email security, cybersecurity, or a related field.
• Strong understanding of email security protocols and technologies, such as SPF, DKIM, DMARC, and email encryption.
• Experience with email security tools and platforms, such as Abnormal, Microsoft Defender for Office 365, etc.
• Proficiency in scripting languages such as Python, PowerShell, or Bash.
• Familiarity with DevOps and GitOps practices, including CI/CD pipelines and version control systems like Git.
• Experience with endpoint security and telemetry platforms is a plus.
• Excellent problem-solving skills and the ability to work under pressure.
• Strong communication and collaboration skills.

How We Support Our Colleagues
In addition to our comprehensive benefits package, we encourage an inclusive workforce. Plus, our agile environment allows you to manage your wellbeing and work/life balance, ensuring you can be your best self at Aon. Furthermore, all colleagues enjoy two "Global Wellbeing Days" each year, encouraging you to take time to focus on yourself. We offer a variety of working style solutions for our colleagues as well.

Our continuous learning culture inspires and equips you to learn, share and grow, helping you achieve your fullest potential. As a result, at Aon, you are more connected, more relevant, and more valued.

Aon values an innovative and inclusive 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 protected status.

We welcome applications from all and provide individuals with disabilities with reasonable adjustments to participate in the job application, interview process and to perform essential job functions once onboard. If you would like to learn more about the reasonable accommodations we provide, email

Please attach CV in English only.
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