Senior Security Engineer - Cloud Security & Tooling Lead

RELX INC; Philadelphia (Philadelphia County); Remote; USD 79,000 - 131,000; Full time

Job summary

RELX INC’s Security Engineering team seeks a Senior Security Engineer to design, build, and operate security tooling at scale. You will own architecture decisions, guide engineers, and shape security tooling across cloud platforms. Bring hands-on cloud security, IaC, and CI/CD leadership to the role.

You’ll collaborate with Incident Response, Threat Engineering, and GRC, advancing secure-by-design practices while delivering production-grade systems in a fast-paced environment.

Qualifications

• Significant hands-on experience in security engineering for cloud-native platforms.
• Ownership of security architecture in AWS multi-account environments and cross-region considerations.
• Advanced Terraform and IaC proficiency with team standards.
• Experience designing CI/CD pipelines (GitHub Actions) for reliability and security.
• Broad tooling knowledge: SIEM, EDR, DLP, PAM, WAF, SOAR, vulnerability management.

Responsibilities

• Lead design, architecture, and delivery of security platforms and services.
• Own Infrastructure as Code standards and CI/CD practices across the team.
• Mentor junior engineers and provide design/code review guidance.
• Drive integration, tuning, and lifecycle management of core tooling.
• Collaborate with Incident Response, Threat Engineering, and GRC on threats and compliance.
• Promote AI-assisted engineering to boost velocity and quality.
• Lead troubleshooting and root-cause analysis for tooling incidents.
• Represent SENG in architecture reviews and secure-by-design practices.
• Deliver production-ready systems on time and within budget.

Skills

Security engineering

AWS multi-account

Terraform

GitHub Actions

Python

Kubernetes

AI-assisted tools

CI/CD pipelines

Mentoring

Agile / DevOps

Job description

RELX INC’s Security Engineering team seeks a Senior Security Engineer to design, build, and operate security tooling at scale. You will own architecture decisions, guide engineers, and shape security tooling across cloud platforms. Bring hands-on cloud security, IaC, and CI/CD leadership to the role.

You’ll collaborate with Incident Response, Threat Engineering, and GRC, advancing secure-by-design practices while delivering production-grade systems in a fast-paced environment.