Senior DevOps Engineer

5Crest is seeking a skilled Senior DevOps and Engineer to manage,
improve, and support our cloud infrastructure, deployment processes, security controls,
and application environments.
The ideal candidate will work closely with development, QA, security, and leadership
teams to ensure reliable, secure, scalable, and efficient systems across Development,
Test, Stage, and Production environments.
Key Responsibilities
• Design, manage, and maintain Microsoft Azure infrastructure.
• Manage Azure Kubernetes Service (AKS), node pools, ingress, networking, DNS,
certificates, and private connectivity.
• Maintain Azure Virtual Networks, VPN gateways, peering, private endpoints, private
DNS zones, and routing.
• Manage Azure Database for PostgreSQL, Redis, Storage Accounts, Key Vault,
Container Registry, and related services.
• Build and maintain CI/CD pipelines using Azure DevOps.
• Manage Dockerfiles, containerized applications, Helm deployments, and
Kubernetes manifests.
• Configure and maintain environment-specific secrets, service accounts, managed
identities, and workload identity.
• Implement and maintain Flyway database migration processes within deployment
pipelines.
• Manage Cloudflare DNS, WAF, firewall rules, SSL/TLS, and security configurations.
• Support monitoring, logging, application performance monitoring, and alerting
through Datadog.
• Investigate and resolve infrastructure, deployment, networking, authentication, and
application availability issues.
• Review infrastructure costs and identify opportunities for optimization.
• Support disaster recovery planning, testing, and documentation.
• Apply security best practices for access control, encryption, private
communication, and credential management.
• Collaborate with development and QA teams to improve deployment reliability and
environment readiness.
• Maintain clear technical documentation for infrastructure, deployment procedures,
access requirements, and troubleshooting steps.
Required Qualifications
• Strong experience with Microsoft Azure.
• Hands-on experience with AKS and Kubernetes.
• Experience with Azure DevOps, YAML pipelines, repositories, releases, and variable
groups.
• Strong knowledge of Docker and containerized application deployments.
• Experience with Azure networking, VPNs, private endpoints, DNS, load balancers,
and ingress controllers.
• Experience managing PostgreSQL and database migration workflows.
• Knowledge of Azure Key Vault, managed identities, RBAC, and workload identity.
• Experience with Cloudflare DNS and WAF configuration.
• Experience with monitoring and observability tools such as Datadog.
• Strong Linux administration and troubleshooting skills.
• Good understanding of CI/CD, infrastructure security, disaster recovery, and cloud
cost optimization.
• Ability to troubleshoot complex issues independently and communicate solutions
clearly.
Preferred Qualifications
• Microsoft Certified: Azure DevOps Engineer Expert.
• Certified Kubernetes Administrator (CKA).
• Experience with Spring Boot, Django, or other backend applications.
• Experience with Helm, cert-manager, NGINX Ingress, and Kubernetes security.
• Knowledge of Terraform or other Infrastructure as Code tools.
• Experience working with private cloud environments and enterprise VPN access.
• Understanding of OAuth2, OpenID Connect, Microsoft Entra ID, and application
authentication.
• Experience supporting compliance, audit, vulnerability scanning, and security
review requirements.
Key Attributes
• Ownership-oriented and dependable.
• Strong problem-solving and analytical skills.
• Comfortable working across infrastructure, security, and application teams.
• Organized and committed to maintaining accurate documentation.
• Able to work calmly during incidents and prioritize effectively.
• Strong communication and collaboration skills.
• Willingness to continuously learn and improve existing systems.

Work arrangement
Yes