Senior Engineer - Information Security

About this role

Recruitment Fraud Alert

We’ve learned that scammers are impersonating Commvault team members—including HR and leadership—via email or text. These bad actors may conduct fake interviews and ask for personal information, such as your social security number.

What to know:

• Commvault does not conduct interviews by email or text.

• We will never ask you to submit sensitive documents (including banking information, SSN, etc) before your first day.

If you suspect a recruiting scam, please contact us at [email protected]

About Commvault

Commvault (NASDAQ: CVLT) is the gold standard in cyber resilience. The company empowers customers to uncover, take action, and rapidly recover from cyberattacks – keeping data safe and businesses resilient. The company’s unique AI-powered platform combines best-in-class data protection, exceptional data security, advanced data intelligence, and lightning-fast recovery across any workload or cloud at the lowest TCO. For over 25 years, more than 100,000 organizations and a vast partner ecosystem have relied on Commvault to reduce risks, improve governance, and do more with data.

The Senior Engineer, Information Security is responsible for the design, implementation, administration, and continuous improvement of enterprise security technologies that protect users, endpoints, identities, systems, and data. This role serves as a technical leader within the Information Security organization, partnering closely with IT, Infrastructure, Engineering, Security Operations, Identity & Access Management, Vulnerability Management, and Security Architecture teams.

The ideal candidate combines strong technical expertise with exceptional troubleshooting and problem-solving skills. This position balances strategic project work, including deployment of new security technologies and capabilities, with operational responsibilities involving the support, maintenance, and optimization of existing security platforms.

The Senior Engineer will lead complex security initiatives, drive technology improvements, mentor junior engineers, and contribute to the overall maturity of the organization's security program.

Position Responsibilities:

Security Platform Engineering
• Design, deploy, configure, and maintain enterprise security technologies across endpoint, identity, data protection, and monitoring domains.
• Administer and support security platforms including Endpoint Detection and Response (EDR), Security Information and Event Management (SIEM), Data Loss Prevention (DLP), identity security, and endpoint protection technologies.
• Evaluate emerging security technologies and recommend solutions that improve security posture and operational efficiency.
• Develop and maintain security standards, technical documentation, operational procedures, and deployment guides.
• Participate in security architecture reviews and provide engineering expertise during technology selection and implementation efforts.

Project Delivery & Security Improvements
• Lead security technology deployments from planning and design through implementation and operational transition.
• Manage multiple concurrent projects while balancing operational priorities.
• Drive security platform enhancements, automation opportunities, and process improvements.
• Partner with business and technical stakeholders to define requirements and deliver security solutions that align with organizational objectives.
• Support Agile-based project delivery methodologies where applicable.

Operational Support & Troubleshooting
• Serve as a senior escalation point for complex security platform issues.
• Perform advanced troubleshooting across Windows, macOS, Linux, cloud, identity, and security technology environments.
• Monitor platform health, performance, and effectiveness while identifying opportunities for optimization.
• Coordinate upgrades, maintenance activities, and lifecycle management of deployed security technologies.
• Support incident response activities when security technologies require engineering analysis, tuning, containment support, or remediation.

Cross-Functional Collaboration
• Work closely with Security Operations to improve detection capabilities, telemetry quality, and operational effectiveness.
• Partner with Identity and Access Management teams on Entra ID and identity security initiatives.
• Collaborate with Vulnerability Management teams to support remediation efforts and security control effectiveness.
• Engage with Security Architecture teams to implement strategic security initiatives and technical standards.
• Coordinate with IT Infrastructure, End User Computing, Server, Cloud, and Engineering teams to ensure successful deployment and operation of security controls.

Leadership & Mentorship
• Mentor and provide technical guidance to junior engineers and team members.
• Share knowledge through documentation, training sessions, and collaborative problem-solving.
• Contribute to the development of engineering best practices and operational standards.
• Lead technical discussions and represent Security Engineering in cross-functional initiatives.
• Foster a collaborative, team-oriented culture focused on continuous improvement.

Required Qualifications
• Bachelor's degree in Computer Science, Information Security, Information Technology, Engineering, or equivalent experience.
• 5+ years of experience supporting and administering enterprise security technologies.
• Experience implementing and managing endpoint security platforms, EDR solutions, SIEM technologies, or related security tooling.
• Strong understanding of Microsoft Entra ID and modern identity security concepts.
• Strong knowledge of Windows security administration for servers and endpoints.
• Working knowledge of macOS and Linux operating systems and associated security controls.
• Experience troubleshooting complex technical issues across multiple technology domains.
• Experience leading technical projects and driving…