Senior DevOps Engineer (Cloud & MongoDB & Terraform), PK (Remote, Full-Time) [HR154]

About the RoleWe are looking for a Senior DevOps Engineer with strong cloud infrastructure expertise (GCP / AWS / Azure) using Terraform and deep MongoDB Atlas ownership experience to design, operate, and scale a cloud-native infrastructure powering a large enterprise SaaS platform. This is a high-ownership, architecture-level role, not just execution. You will be responsible for designing and running production systems end-to-end, with a particular focus on database infrastructure (MongoDB Atlas) and scalable cloud environments. You will work in a fully remote, async-first environment, collaborating closely with engineering teams to ensure high availability, performance, and operational excellence across multiple environments.ResponsibilitiesDesign, implement, and operate cloud-native infrastructure across GCP, AWS, or Azure using Terraform.Take full ownership of MongoDB Atlas in production, including:Cluster architecture and scalingReplication and high availabilityBackup and disaster recovery strategiesPerformance tuning and query optimisationSecurity and access controlArchitect and manage containerised and serverless workloads (e.g., Cloud Run, ECS, Kubernetes, or equivalents).Design and operate event-driven systems (e.g., Pub/Sub, SQS/SNS, EventBridge, or equivalents).Build and maintain CI/CD pipelines with a strong focus on automation, reliability, and scalability.Develop reusable Infrastructure as Code (Terraform) modules and manage multi-environment setups.Collaborate with engineering teams on system architecture, scalability, and performance optimisation.Implement robust monitoring, alerting, and observability across distributed systems.Lead incident response and root cause analysis, driving long-term improvements.Own infrastructure decisions end-to-end, including architecture, cost optimisation, and performance.Document systems, create runbooks, and establish best practices.Mentor engineers and promote DevOps best practices across the organisation.Requirements6+ years of DevOps / Infrastructure Engineering experience in production environments.Strong hands-on experience with at least one major cloud provider: GCP, AWS, or Azure using Terraform.Advanced experience with Terraform (modularisation, remote state, multi-environment setups).Proven experience designing and operating scalable cloud infrastructure.Mandatory: Deep MongoDB Atlas experience in production, including:Cluster configuration and scalingReplication and failoverBackup and recovery strategiesPerformance tuning and indexingSecurity and access managementExperience with containerised environments (Docker, Kubernetes, or equivalents).Experience building and maintaining CI/CD pipelines.Solid understanding of event-driven architectures.Strong knowledge of monitoring, logging, and observability in distributed systems.Ability to operate at an architect/owner level, not just execute tasks.Strong communication skills and ability to work in a remote, async-first team.Nice to HaveExperience working across multiple cloud providers.Experience implementing GitOps practices.Familiarity with advanced observability tools (Datadog, APM, tracing).Experience supporting high-scale SaaS platforms.Interest in platform engineering and developer experience.J-18808-Ljbffr