Lead AI Red Team focusing on adversarial testing and security for enterprise - scale AI systems. Collaborate with engineering and compliance to map vulnerabilities and document findings.
About the role
- Head of Security managing information security strategy at Reach. Leading end-to-end security efforts for a global ecommerce platform.
Responsibilities
- Vulnerability management and offensive testing: Own the vuln lifecycle end-to-end — intake, triage, prioritization, risk acceptance, ticketing to dev teams, and remediation within SLA — and manage external pen tests and targeted assessments. Report regularly on status, SLA performance, and trends.
- Security operations and incident response: Manage our MSSP partner for 24/7 SIEM and SOC monitoring; ensure telemetry, detections, and playbooks match our threat model. Serve as incident commander for real events, and run regular tabletops and post-incident reviews.
- Policy, controls, and risk: Define and maintain Reach’s security policies and control framework. Design, implement, and measure the effectiveness of controls; maintain a risk register; and surface material risk decisions to leadership.
- Compliance and audits: Own SOC 2 Type II and PCI DSS end-to-end with continuous control monitoring and evidence collection between audits. Serve as the primary contact for external auditors.
- Application and cloud security: Partner with engineering on secure SDLC, threat modeling for new products and features, SAST/DAST/SCA coverage, and cloud security posture (IAM, configuration, workload protection).
- Identity and access management: Own IAM policy, periodic access reviews, privileged access, and joiner/mover/leaver processes, in partnership with IT and People.
- Third-party and customer security: Run Reach’s vendor risk program (due diligence, questionnaires, DPAs, ongoing monitoring) and own responses to customer and prospect security reviews.
- Security awareness and training: Run phishing simulations, ongoing and role-targeted training, and regular company-wide sessions on new threats and best practices.
- Executive reporting: Provide regular security posture updates with meaningful metrics (MTTD/MTTR, patch latency, control coverage, phishing outcomes, audit readiness).
- People, budget, and tooling: Act as a mentor for your report; own the security budget and tool stack — evaluating, procuring, rationalizing, and retiring tools as the program matures.
Requirements
- 8+ years in information security, with 3+ years leading a security program or a major security function.
- Direct experience owning SOC 2 Type II audits end-to-end; PCI DSS experience strongly preferred.
- Proven, hands-on ownership of vulnerability management programs at scale.
- Experience managing an MSSP/MDR relationship for SIEM and 24/7 SOC.
- Strong application and cloud security fundamentals, with hands-on experience in AWS, GCP, or Azure, and the ability to partner credibly with engineering.
- Experience leading incident response end-to-end, including cross-functional coordination and working with external parties.
- Experience writing and operationalizing security policies against recognized frameworks (NIST CSF, ISO 27001, CIS Controls).
- Excellent written and verbal communication — credible with engineers, executives, auditors, and customers.
- Comfortable as a player-coach in a lean environment, with a strong sense of ownership and bias for action.
- Additional Assets
- Experience in fintech, payments, or ecommerce — ideally cross-border or merchant-of-record.
- Prior experience standing up or scaling a security program at a growth-stage company.
- Familiarity with GRC/continuous compliance platforms (e.g., Vanta, Drata, Secureframe).
- AWS experience (our primary cloud) and Atlassian suite (Jira, Confluence) for workflow and documentation.
- Formal people-management experience.
- Relevant certifications (e.g., CISSP, CISM, CCSP).
Benefits
- Competitive compensation
- Flexible remote work
- Comprehensive benefits
- Opportunity to build and own a security function
- Direct impact on a global commerce platform
- Health insurance
- Retirement plans
- Paid time off
- Professional development
- Bonuses
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