Role: Information Security M&A Lead (Proofpoint Email Security)
Location: REMOTE
Duration: Long term assignment
Role Overview:
The Manager, Information Security M&A Lead is a senior security leader within the Information Security & Risk Management function, responsible for owning and executing cybersecurity strategy across mergers and acquisitions, with a primary focus on enterprise email security and Proofpoint platform integration.
Operating within the CISO organization, this role leads the secure onboarding, transformation, and standardization of email security capabilities across acquired entities, ensuring rapid risk reduction, threat protection continuity, and alignment to enterprise security architecture.
This position requires deep expertise in Proofpoint configuration, migration, and optimization, combined with strong M&A execution discipline, risk-based decision-making, and the ability to operate at speed in complex, multi-entity environments.
The successful candidate:
Leads end-to-end M&A security execution, from diligence through post-close integration
Brings deep hands-on expertise in Proofpoint email security, including deployment, policy design, and advanced threat protection capabilities
Applies risk-based decision-making to balance integration speed with security and business priorities
Operates effectively in high-speed M&A environments, managing parallel integrations and competing timelines
Communicates with impact across technical teams and executive stakeholders
Drives standardization and scalability, building repeatable M&A security playbooks
Takes a configuration-first, engineering-minded approach to security control implementation
Key Responsibilities:
M&A Security Leadership
Serve as the Information Security M&A lead across acquisitions and integrations
Lead security due diligence and Day 0 / Day 1 / Day 100 planning, with a strong focus on email security risks and dependencies
Define and execute secure integration strategies to rapidly onboard acquired entities into enterprise security controls
Establish repeatable M&A security playbooks, particularly for email security integration
Proofpoint Email Security Integration
Own end-to-end deployment, migration, and integration of Proofpoint across acquired organizations
Lead Proofpoint tenant consolidation, domain onboarding, and mail flow reconfiguration into the enterprise Proofpoint architecture
Design and implement Proofpoint policies, including:
Email authentication (SPF, DKIM, DMARC)
Anti-phishing, anti-malware, and impersonation protection
URL Defense, Attachment Defense, and TAP configurations
Data Loss Prevention (DLP) and encryption policies
Assess legacy email security solutions and drive migration or decommissioning strategies
Ensure continuity of threat detection, quarantine management, and incident response workflows during transitions
Optimize policy tuning, false positive reduction, and detection efficacy post-integration
Experience
Proven experience leading cybersecurity activities across M&A transactions, including due diligence and post-close integration
Deep, hands-on expertise in Proofpoint Email Security platform configuration and operations
Experience with email migrations, tenant consolidations, and secure mail flow architecture
Demonstrated ability to manage complex, cross-functional integration programs
Qualifications
Bachelor's degree in Information Security, Computer Science, Engineering, or equivalent experience
10+ years of experience in cybersecurity, with significant exposure to M&A or large-scale integrations
Certifications such as CISSP preferred
Strong executive communication and stakeholder management skills
Highly organized, self-driven, and able to operate with high autonomy in fast-paced environments.
Disclaimer:
This e-mail contains confidential information or information belonging to Infyshine Technologies and is intended solely for the Addresses. The unauthorized disclosure, use dissemination or copying (either whole or partial of this e-mail, or any information it contains), is prohibited. E-mail is susceptible to alteration and their integrity cannot be guaranteed. Infyshine Technologies shall not be liable of this e-mail if modified or falsified. If you are not the intended recipient of this e-mail, please delete it immediately from your system & notify the sender of the wrong delivery and mail the deletion.
Never miss an opportunity! Create an alert based on the job you applied for.
