We are seeking a Senior Site Reliability Engineer focused on CDN, edge delivery, web performance, and reliability for a high-traffic, public-facing enterprise web platform. The role operates in a regulated enterprise environment and focuses on ensuring availability, performance, resilience, observability, secure delivery, and operational readiness across the modern web delivery stack.
This is a reliability engineering role centered on CDN and edge platforms, web performance, production incident management, release reliability, resilience, and third-party integrations. The role partners closely with engineering, production support, security, network/CDN teams, and technology vendors.
Key Responsibilities
- Operate and support high-traffic public-facing websites delivered through an enterprise CDN and edge platform.
- Monitor and troubleshoot CDN/edge behavior, DNS, certificates, caching, cache invalidation, WAF, bot management, and third-party integrations.
- Build and maintain external synthetic monitoring, automated smoke tests, dependency checks, and production observability.
- Establish and operate reliability practices around SLIs, SLOs, error budgets, RUM, CDN logs, SIEM data, and Core Web Vitals.
- Lead or support customer-facing production incidents, senior escalations, root-cause analysis, post-incident reviews, and continuous reliability improvements.
- Support Git-based production release processes, CI/CD controls, branch protection, automated checks, performance validation, secret scanning, rollback, revert, republish, and cache purge procedures.
- Develop and maintain configuration as code and infrastructure-as-code practices for CDN and edge configurations.
- Define and exercise recovery procedures for content sources, Git repositories, CDN configuration, edge configuration, certificates, WAF policies, and other critical delivery components.
- Support business continuity, disaster recovery, RTO/RPO planning, resilience exercises, and failure scenario testing.
- Analyze web performance regressions, browser rendering, network behavior, page-load performance, waterfall data, third-party scripts, tags, and APIs.
- Partner with vendors and internal teams on production escalations, SLA/OLA tracking, operational readiness, and technology risk.
- Maintain runbooks, incident playbooks, release controls, audit evidence, access controls, and operational documentation.
Required Skills & Qualifications
- Strong hands-on experience operating high-traffic, public-facing websites behind an enterprise CDN.
- Deep expertise in CDN configuration and edge delivery, including origin behavior, caching, cache invalidation, edge logic, TLS/SSL, DNS, and traffic routing.
- Practical production experience with Web Application Firewalls, including rule management, tuning, false-positive analysis, and enforcement.
- Experience with bot management and protecting web applications while allowing legitimate crawlers and business-critical traffic.
- Strong observability experience using logs, metrics, RUM, synthetic monitoring, SLIs, SLOs, and error budgets.
- Strong web performance engineering experience, including Core Web Vitals, browser rendering, network behavior, page-load performance, and waterfall analysis.
- Working knowledge of JavaScript and CSS for troubleshooting modern public-facing web applications.
- Strong Git-based release engineering and CI/CD experience in production environments.
- Hands-on Infrastructure as Code or Configuration as Code experience.
- Proven production incident management, root-cause analysis, and post-incident review experience.
- Experience working within enterprise change management, audit, access control, compliance, and third-party risk requirements.
- Hands-on experience with Akamai and/or Cloudflare.
- Experience with Adobe Experience Manager (AEM), Edge Delivery Services, or similar vendor-managed web delivery platforms.
- Experience in financial services or another highly regulated enterprise environment.
- Experience with Python, Java, or JavaScript-based automation.
- Experience developing automated runbooks and operational tooling.
- Familiarity with accessibility, SEO, multilingual web delivery, and enterprise content platforms.
- Experience supporting vendor-managed SaaS platforms and third-party technology controls.
Apply directly at: https://www.n2psystems.com/jobs/REQ-43694
