Wabtec Corporation - Principal Cyber Security Engineer - Microsoft Defender (5-10 yrs)

Job Description :

As Principal Cybersecurity Engineer, you will lead the design, implementation and continuous improvement of enterprise- wide protections for email, data and endpoint platforms.

In this highly visible role, you will shape strategic security capabilities that reduce risk, strengthen resilience and enable the business to operate securely.

You will serve as a technical authority and trusted advisor, driving the adoption of modern security controls, ensuring defenses evolve to address emerging threats.

Join us and help drive cybersecurity excellence!

What do we want to know about you-

You Must Have :

- Bachelors degree in computer science, Information Technology, related field, or a minimum of 8 years of experience in cybersecurity.

- Technical expertise in Microsoft Defender for Office 365 (MDO), including policy design, anti-phishing strategy, threat investigation and tuning at enterprise scale.

- Hands-on experience with Microsoft Defender for Endpoint (MDE), including EDR operations, Advanced Hunting (KQL), Attack Surface Reduction and detection engineering.

- Experience with Microsoft Purview, including Information Protection, Sensitivity Label architecture, DLP strategy, eDiscovery and data lifecycle governance.

- Ability to define and drive enterprise security strategies without direct managerial authority, influencing outcomes through technical credibility and thought leadership.

- Demonstrated success operationalizing security controls, embedding protection into real-world business workflows while minimizing friction and enabling productivity.

- Experience leading complex investigations, high-severity incident response, and root-cause analysis related to email, endpoint and data compromise.

- Proven ability to author technical standards, playbooks and design guidance that set direction for engineering teams and operational partners.

- Exceptional communication skills, with the ability to clearly articulate technical risk, trade-offs, and recommendations to security leadership, IT stakeholders and business partners.

- Must be willing to work weekends/off-shift hours, as needed during cybersecurity incidents.

We Would Love It If You Had :

- Hands-on experience with enterprise security tools such as SIEM, SOAR, threat intelligence platforms and cloud security controls.

- Ability to work independently with strong time management skills, consistently driving value and delivering results without direct supervision.

- Commitment to continuous learning in an evolving cybersecurity landscape.

What will your typical day look like :

- Accountability for technical authority over Microsoft Defender for Office 365, Microsoft Defender for Endpoint, and Microsoft Purview, with enterprise-wide architecture, design and control decisions established and maintained.

- Continuous analysis of threat trends, security telemetry, and control performance to ensure ongoing design, tuning and improvement of email, endpoint and data protection strategies.

- Participation in and leadership of complex investigations and high-severity incidents, with advanced hunting, deep technical analysis and root-cause identification.

- Close collaboration with response, intelligence, content, assurance, services, identity, IT, and business teams to ensure protection capabilities are embedded into day-to-day operations while supporting business productivity.

- Development and maintenance of technical standards, reference architectures, and playbooks, promoting consistency, scalability and clarity across protection platforms.

- Knowledge sharing and mentorship provided to engineers and practitioners, contributing to elevated engineering standards and technical maturity across the organization.

- Other duties as assigned.

While daily activities may vary, the focus remains on shaping the organizations cybersecurity posture and ensuring defenses remain resilient in an evolving threat landscape.

Our Commitment To Embrace Diversity :

Wabtec is a global company that invests not just in our products, but also our people by embracing diversity and inclusion.

We care about our relationships with our employees and take pride in celebrating the variety of experiences, expertise, and backgrounds that bring us together.

At Wabtec, we aspire to create a place where we all belong and where diversity is welcomed and appreciated.

To fulfill that commitment, we rely on a culture of leadership, diversity, and inclusion.

We aim to employ the worlds brightest minds to help us create a limitless source of ideas and opportunities.

We have created a space where everyone is given the opportunity to contribute based on their individual experiences and perspectives and recognize that these differences and diverse perspectives make us better.

We believe in hiring talented people of varied backgrounds, experiences, and styles People like you! Wabtec Corporation is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, or protected Veteran status.

If you have a disability or special need that requires accommodation, please let us know.