Cybersecurity Engineer – M&A

Job Summary

Seeking a Senior Cybersecurity Engineer with strong M&A cybersecurity due diligence and post-acquisition integration experience. The ideal candidate will be hands-on across enterprise security domains and able to assess security controls, identify risks, and develop Day 1/Day 100 integration plans.

Key Responsibilities

• Conduct cybersecurity due diligence for acquisition targets and identify technical/security risks.
• Validate security configurations and controls across endpoint, identity, network, cloud, and infrastructure.
• Perform compromise assessments, threat hunting, endpoint triage, and IoC analysis.
• Assess firewalls, IDS/IPS, proxies, WAF, VPN, ZTNA, network segmentation, and SSL/TLS controls.
• Evaluate IAM technologies including SAML, OAuth, MFA, federation, PAM, and Zero Trust.
• Assess PKI, certificate management, email security, SPF/DKIM/DMARC, and SIEM/logging environments.
• Develop Day 1/Day 100 integration plans, remediation roadmaps, and tooling consolidation strategies.
• Work with platforms such as CrowdStrike, Zscaler, Splunk, Wiz, and Microsoft security technologies.
• Gather infrastructure/security metrics from AD, cloud, CMDB, endpoint management, vulnerability scanners, and SIEM platforms.
• Communicate technical findings and recommendations to engineering teams and executive stakeholders.

Required Qualifications

• 8+ years of cybersecurity engineering/security architecture experience.
• Strong hands-on experience across endpoint, identity, network, cloud, and infrastructure security.
• Extensive M&A due diligence and/or post-acquisition integration experience.
• Experience with threat hunting, incident response, security assessments, and remediation.
• Strong technical documentation and stakeholder communication skills.