Principal Security Engineer working on network security lifecycle and threat management for Verizon’s 4G/5G Cloud Networks. Collaborating with multiple teams to enhance cybersecurity posture.
About the role
- Cyber Security Engineer II safeguarding systems at MSK, involved with complex technologies in cancer care security. Lead threat investigations and apply technical knowledge for security improvements.
Responsibilities
- Assist with or lead threat investigations, incident response, and vulnerability management activities.
- Provide rotating on-call support for enterprise security operations and documentation.
- Act as a technical SME in incident detection, analysis, and response, leveraging data from Splunk, CrowdStrike Falcon, and Proofpoint TAP to support investigations and remediation.
- Develop, tune, and maintain detection content — including SIEM rules, correlation logic, and alert playbooks — to improve fidelity and reduce mean time to detect (MTTD).
- Apply deep technical knowledge to secure systems and network architecture across diverse platforms.
- Work independently toward defined cybersecurity objectives while maintaining clear communication with stakeholders during active incidents and investigations.
- Contribute actively to technical discussions within multidisciplinary engineering teams.
- Strengthen solutions through hands-on development, design improvements, and implementation.
- Support and execute security projects, enterprise architecture, POCs, and remediation efforts.
- Develop and update organizational security policies, standards, and technical guidance.
Requirements
- Hands-on experience with secure architecture across OS, cloud, network, database, and application layers.
- Proficiency in at least one scripting or programming language (Python, Perl, Shell/PowerShell, C/C++, Assembly).
- Experience participating in security incident response, vulnerability remediation, and security operations.
- Ability to support enterprise security systems in a rotating on‑call schedule.
- Hands-on experience with incident response lifecycle management — including containment, eradication, and recovery — within complex enterprise networks.
- Experience with SIEM platforms, EDR tooling, and email security solutions; hands-on experience with Splunk, CrowdStrike Falcon, and Proofpoint is strongly preferred.
- Working knowledge of threat intelligence frameworks (MITRE ATT&CK) and their application to detection and response operations.
- Working knowledge of attacker methodology and penetration testing techniques.
Benefits
- Health insurance
- 401(k) matching
- Paid time off
- Flexible work hours
- Professional development opportunities
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Cybersecurity Engineer at Verizon responsible for security lifecycle and effectiveness across networks. Leading incident response and vulnerability management in a hybrid work role.
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