Senior Security Engineer, Insider Threat

Summary

Join our team at Gemini as we seek a highly skilled Forensic / Insider Threat Specialist with expertise in Mac Forensics to identify, investigate, and mitigate insider threats, while conducting comprehensive digital forensic investigations primarily on macOS systems.

Requirements

• B.S. in Computer Science, Information Security, Digital Forensics, a related field, or equivalent work experience
• 3+ years experience in digital forensics with a strong focus on macOS
• Proven track record conducting insider threat investigations
• Familiarity with both static and dynamic forensic techniques on Mac computers
• Expertise using forensic tools such as EnCase, X-Ways, Cellebrite, Autopsy, and macOS-specific tools (BlackBag, mac_apt, etc.)
• Deep understanding of macOS architecture, including APFS, HFS+, Time Machine, Keychains, and macOS logs
• Experience with insider threat detection tools (DLP, UEBA, SIEM, EDR)
• Proficiency in macOS terminal commands, scripting (Python, Bash), and file system analysis
• Solid grasp of networking concepts, malware analysis, and threat intelligence

Responsibilities

• Proactively identify and assess potential insider threats, such as unauthorized access, data exfiltration, and policy violations
• Lead forensic investigations on macOS, conducting in-depth analysis of file systems, memory, logs, and applications to uncover malicious activities, insider threats, and security incidents
• Collaborate with the Incident Response team to investigate breaches, perform forensic analysis, and recommend remediation strategies specific to macOS platforms
• Meticulously collect, preserve, and analyze digital evidence adhering to chain-of-custody protocols
• Proactively hunt for malicious insider activity using advanced tools and techniques to detect early indicators of compromise or suspicious behavior
• Produce detailed forensic reports, including timelines, attack vectors, and attribution. Meticulously document case summaries, methodologies, and remediation steps

Benefits

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off