Job Title: Senior Infrastructure EngineerReports to: Engineering Manager – SRE & QALocation: Ireland – Home/Office, flexiblePurpose:Compliance & Risks is looking for a driven and experienced Senior Infrastructure Engineer to shape the next generation of our global platform spanning both EU and US regions. You'll play a hands-on leadership role in making our systems faster, safer, more reliable, and more developer-friendly across our AWS-hosted, serverless-first environment.This role requires strong expertise in cloud infrastructure (AWS), modern serverless architectures, observability tooling, and security best practices. You'll be responsible for infrastructure ownership, automation, developer enablement, and cross-region reliability while working closely with third-party platforms including Knock, NeonDB, Clerk, Inngest, and Vercel.You'll work with a globally distributed engineering team. We prioritise collaboration, autonomy, and continuous learning, and we strongly support flexible working arrangements.Key Responsibilities:Infrastructure Support & Operations:Maintain and support infrastructure across AWS and our serverless stack (Lambda, API Gateway, S3, IAM)Manage integrations with third-party platforms (Knock, NeonDB, Clerk, Inngest, Vercel)Execute infrastructure deployments, rollbacks, and updates using Terraform/CloudFormationMonitor infrastructure health and respond to alerts proactivelySupport Kafka Connect infrastructure and troubleshoot connector issuesCollaborate with developers to maintain reliable, performant systemsIncident Response & Support:Provide out-of-hours monitoring and triage as part of our support rotation (EU and out-of-hours coverage)Execute Vercel rollbacks and Lambda version reverts during incidentsCoordinate incident response using our Swarm Support modelFollow incident response workflows for Critical/High/Medium/Low severity issuesParticipate in blameless postmortems and implement preventive measuresMaintain and update runbooks for common incident scenariosObservability & Monitoring:Manage and maintain logging infrastructure (ELK Stack, LGTM platform migration)Build and maintain dashboards for application and infrastructure monitoringConfigure alerts for proactive issue detection (LGTM, CloudWatch, Kafka monitoring)Monitor AWS CloudWatch logs for Lambda functionsImplement metrics, logs, and tracing to improve visibility across the stackCreate alerting strategies that balance reliability with on-call sustainabilitySecurity & SecOps:Implement security best practices throughout the infrastructure stackManage secrets rotation and IAM policiesConduct security reviews of infrastructure changesSupport SSO and identity management systems (Clerk integrations)Ensure infrastructure complies with C&R's security policies and procedures including technical control design and collaboration with third party security servicesStay current with security threats and implement preventive controlsServerless Architecture & Optimization:Support and optimize Lambda functions, API Gateway, and serverless componentsMonitor and improve performance of event-driven data ingestion jobs (apps/data-sync)Troubleshoot Kafka connectors and data pipeline issuesEnsure the platform performs reliably under varying loadsBalance performance requirements with cost-effectivenessFinOps & Cost Management:Monitor cloud infrastructure costs and identify optimization opportunitiesImplement cost allocation and tagging strategiesWork with teams to balance performance, reliability, and cost efficiencyReport on infrastructure spending and efficiency metricsCross-Region Reliability:Support infrastructure spanning EU and US regionsAutomate routine operations to reduce manual interventionImplement and maintain failover capabilities across regionsEnsure consistent performance for global usersCollaboration & Documentation:Work closely with Engineering, QA, and Product teamsMaintain clear documentation, runbooks, and knowledge base articlesParticipate in infrastructure and code reviewsShare knowledge through internal documentation and trainingCommunicate effectively in a remote-first, distributed team environmentExperience & Qualifications:Required:5+ years in Infrastructure, DevOps, or SRE roles supporting production systemsStrong hands-on AWS experience (Lambda, API Gateway, ECS, S3, IAM, CloudWatch)Experience with infrastructure-as-code (Terraform or CloudFormation)Familiarity with observability tooling (ELK Stack, Datadog, Prometheus, or similar)Experience with CI/CD pipelines (GitHub Actions or similar)Understanding of serverless architectures and event-driven systemsSecurity-first mindset with experience in IAM, secrets management, and complianceStrong troubleshooting skills and experience with incident responseExcellent communication skills for distributed team collaborationComfortable with on-call rotation and out-of-hours support responsibilitiesB.S. in Computer Science, Software Engineering, or equivalent experienceNice-to-Have:Experience with Clerk, Inngest, Vercel, or similar SaaS platformsFamiliarity with Kafka/Kafka Connect and CDC architecturesExperience with or monorepo build systemsKnowledge of FinOps principles and AWS cost optimizationUnderstanding of compliance frameworks (ISO27001, SOC 2, GDPR)Experience with ZenDesk or similar support ticketing systemsFamiliarity with LGTM or Grafana observability platformsExperience scaling serverless architecturesHow You Work:You communicate clearly and effectively—on calls, in reviews, and in documentationYou're hands-on and comfortable jumping into production issuesYou take ownership of problems and see them through to resolutionYou work collaboratively and help break down barriers between teamsYou're comfortable with ambiguity and can prioritize effectively during incidentsYou share knowledge openly and help others learnYou're pragmatic—balancing quick fixes with long-term improvementsYou're comfortable with a support rotation that includes out-of-hours coverageAbout Us:Compliance & Risks helps the world's leading brands stay in compliance with global regulations and standards. Our platform, C2P, enables smarter regulatory intelligence and product compliance management. We're passionate about solving complex problems, empowering our people, and creating a sustainable impact.We are a global, diverse team committed to collaboration, innovation, and respect. At C&R, we embrace flexible working, value personal development, and offer a supportive culture with opportunities for growth.