{"id":4210214,"url":"https://alion.io/job/thoughtworks-senior-infrastructure-support-engineer","title":"Senior Infrastructure Support Engineer","company":{"id":6249,"name":"Thoughtworks","domain":"thoughtworks.com","url":"https://alion.io/company/thoughtworks","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":16,"ghost_share":0.125,"stale_share":0.25,"repost_share":0.125,"time_to_fill_p50_days":27,"computed_at":"2026-11-12T10:38:37Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"Azure AKS","optional":false},{"name":"Bicep","optional":false},{"name":"CI/CD","optional":false},{"name":"DNS","optional":false},{"name":"Docker","optional":false},{"name":"GitLab CI","optional":false},{"name":"Grafana","optional":false},{"name":"Incident Management","optional":false},{"name":"Kubernetes","optional":false},{"name":"Least Privilege","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"Microsoft Defender for Cloud","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":"Datadog","optional":true},{"name":"ISO 27001","optional":true},{"name":"SOC 2","optional":true},{"name":"Splunk","optional":true},{"name":"VPN","optional":true}],"status":"live","first_seen_at":"2026-11-13T00:35:15Z","employer_posted_date":null,"last_verified_at":"2026-11-13T00:35:15Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"We are looking for an experienced Senior Infrastructure Support Engineer to design, build, secure, automate, and maintain enterprise-grade cloud infrastructure on Microsoft Azure. The ideal candidate will have strong hands-on experience in Azure cloud architecture, networking, security, Infrastructure as Code (IaC), and CI/CD automation. The role involves managing production cloud environments, implementing security best practices, optimising infrastructure performance, and ensuring high availability and reliability. The candidate will work closely with development, security, and operations teams to build scalable, secure, and automated cloud environments.\n\nResponsibilities: \nAzure Cloud Infrastructure: Design, provision, and maintain scalable and highly available Azure infrastructure, including Virtual Networks (VNets), subnets, route tables, VNet peering, Private Endpoints, and private DNS zones.\nCloud Security and Governance: Implement and manage Microsoft Defender for Cloud, configure security baselines, monitor security posture, remediate vulnerabilities, and enforce compliance policies.\nIdentity and Access Management: Design and implement Azure RBAC, custom roles, least-privilege access controls, Microsoft Entra ID, and Privileged Identity Management (PIM).\nInfrastructure Automation: Develop and maintain reusable Infrastructure as Code (IaC) modules using Terraform, Bicep, or ARM templates. Automate infrastructure provisioning and configuration using Python or Bash.\nCI/CD Pipeline Management: Build and maintain GitLab CI/CD pipelines for infrastructure provisioning, container image builds, automated deployments, and application releases.\nKubernetes and Container Management: Deploy, manage, and secure containerised workloads using Docker and Azure Kubernetes Service (AKS), including cluster upgrades, node pool management, and container security.\nPostgreSQL Database Administration: Manage Azure Database for PostgreSQL Flexible Server, including query optimisation, indexing, connection pooling, performance tuning, high availability, and backup/recovery.\nInfrastructure Maintenance: Plan and execute infrastructure upgrades, OS patching, database version upgrades, TLS certificate rotations, and zero-downtime deployments.\nMonitoring and Reliability: Implement monitoring, logging, and alerting using Azure Monitor, Log Analytics, Prometheus, Grafana, and other observability tools.\nIncident Management: Troubleshoot critical infrastructure and networking issues, lead root-cause analysis, and implement automated solutions to prevent recurring incidents.\nTechnical Documentation: Develop architecture diagrams, infrastructure standards, reusable deployment templates, and technical documentation.\n\nRequirements: \n5+ years of hands-on experience in Microsoft Azure cloud infrastructure and architecture.\nStrong knowledge of Azure networking, including VNets, subnets, NSGs, UDRs, VNet peering, Private Endpoints, and Private DNS.\nPractical experience with Microsoft Defender for Cloud, including CSPM, CWPP, security posture management, and threat remediation.\nStrong understanding of Azure RBAC, custom role definitions, Microsoft Entra ID, and access governance.\nHands-on experience with Terraform, Bicep, or ARM templates for Infrastructure as Code (IaC).\nProduction experience building and maintaining GitLab CI/CD pipelines.\nStrong experience administering and optimising PostgreSQL databases, preferably Azure Database for PostgreSQL Flexible Server.\nHands-on experience with Azure Kubernetes Service (AKS), Docker, and container security.\nProficiency in Python or Bash scripting for infrastructure automation.\nExperience managing production infrastructure upgrades, patching, monitoring, and high-availability environments.\nStrong troubleshooting, communication, and stakeholder management skills.\n\nGood to Have: \nExperience with Azure Landing Zones and Microsoft Cloud Adoption Framework (CAF).\nKnowledge of Azure Virtual WAN, ExpressRoute, VPN, Azure Firewall, and Web Application Firewall (WAF).\nFamiliarity with security and compliance frameworks such as CIS, NIST, ISO 27001, and SOC 2.\nExperience with Datadog, Splunk, Prometheus, Grafana, Azure Monitor, and KQL.\nExperience designing enterprise-scale cloud governance and network architectures.\nSkills\nAzure, defender, network, 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