M&A Collaboration & Security Platforms Engineer

M&A Integration (Core Focus)

• Drive collaboration-platform integration end-to-end for each acquisition: scope, plan, execute, and close migrations of users, Slack channels, Google Workspace Drive, mailboxes, and configurations.
• Assess acquired-company collaboration stacks during/after diligence for security and compliance gaps.
• Rationalize overlapping tools across brands; decide what migrates, sunsets, or stays.
• Build repeatable playbooks, tooling, and automation for faster integrations.
• Coordinate cutover timelines and TSA dependencies with Corporate Development, Legal, and acquired teams.

Collaboration Platforms

• Own Google Workspace, Slack, and Zoom at multi-entity enterprise scale (architecture, governance, licensing, configuration, operations).
• Build and maintain integrations with identity and security stack (Okta, Global Relay, eDiscovery, archiving).
• Define and enforce cross-brand governance standards; build automation for secure defaults.

Email & Domain Security

• Own email security infrastructure: filtering, quarantine, impersonation defenses, DMARC/SPF/DKIM.
• Manage large multi-registrar, multi-brand domain portfolio (Cloudflare, MarkMonitor); lead DNS migrations, audits, consolidation.
• Respond to phishing, insider threats, and anomalous domain activity.

Compliance & Legal Support

• Lead legal hold management, eDiscovery queries, and data productions across email, Slack, Google Drive.
• Architect and maintain compliant archiving (Global Relay, Smarsh, Virtru).
• Produce and defend evidence for regulatory/audit obligations (17a-4, ISO).

Security & Access Control

• Design and maintain DLP rules, group access controls, data access policies.
• Lead insider threat reduction, access revocation, high-risk extension management, public channel governance.
• Own platform-level incident response, investigation, containment, and improvement.

Tooling & Vendor Management

• Evaluate, onboard, consolidate, and sunset SaaS tools across collaboration and security stack.
• Lead vendor relationships, procurement, renewals; make build-vs-buy-vs-sunset decisions.
• Build automation to reduce toil and improve governance.

Requirements

• 4–6 years hands-on experience administering Google Workspace and Slack at 1,000+ user companies, including complex migrations and governance.
• Demonstrated experience owning or leading technology migrations in M&A or systems-consolidation context (ideally multiple).
• Solid email security experience (filtering, quarantine, DMARC/SPF/DKIM, impersonation defense, threat response).
• DNS administration and domain portfolio management at scale.
• Direct experience with compliance/legal workflows, legal holds, eDiscovery, regulatory data productions, and compliant archiving platforms.

Nice-to-Haves

• Experience integrating multiple acquired companies' collaboration stacks into a single parent environment.
• Experience with Global Relay, Smarsh, Virtru, or comparable archiving platforms.
• Familiarity with Okta and its integration patterns with Google Workspace and Slack.
• Experience managing large domain portfolio across multiple registrars and DNS providers.
• Exposure to eDiscovery and legal hold tooling.
• Comfort in regulated industry (financial services, crypto, fintech).