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DevOps Engineer

• Assess and harden the infrastructure estate across Linode and DigitalOcean, fronted by Cloudflare
• Own resilience planning against 99.9% uptime, 4-hour recovery time objective, and 1-hour recovery point objective targets
• Build a 3-2-1 backup regime with hourly encrypted MongoDB dumps, second-region replication, off-provider replication, and a local encrypted archive
• Prove backups through monthly restore drills
• Build and maintain CI/CD for the MEAN-stack application
• Implement zero-downtime releases using rolling restarts behind a load balancer and blue-green deployments
• Integrate the QA team’s automated test suite as a release gate
• Run monitoring, alerting, and incident response for uptime, error rates, and performance
• Ensure alerts reach the appropriate person before users notice issues
• Write and rehearse the disaster-recovery runbook
• Own security posture, including secrets management, access control, Cloudflare WAF and rules, security-audit remediation, and UK GDPR alignment
• Manage cloud costs across providers and report monthly spend
• Evaluate provider consolidation or AWS-based recovery based on evidence
• Document infrastructure through runbooks usable by the engineering team without live assistance