Lead Infrastructure Engineer

Unison Group

Singapore, Singapore, Singapore contract

Posted: April 9, 2026

Job Description

10+ years of Engineering experience or demonstrated deeper experience setting up infrastructure and tools that enable scalable, secure, and efficient software development and deployment. You'll work closely with Technical Delivery Manger, Development, DevOps, and security teams to ensure platform reliability and performance

· Proven expertise managing OpenShift (OCP) environments in enterprise‑scale production deployments.

· Hands‑on experience with infrastructure setup and sizing, performance tuning, and capacity assessment for AI workloads.

· Experience supporting Oracle Database from an application infrastructure perspective.

· Practical knowledge of certificate management, secrets management, and key handling.

· Experience implementing CI/CD pipelines and infrastructure automation.

· Strong background in security, vulnerability management, and compliance controls.

· Proven experience designing and implementing DR infrastructure for mission‑critical platforms.

· Experience working with AWS cloud services and hybrid cloud integrations.

· Strong coordination and leadership skills to work across Infrastructure, Network, Security, and Application teams.

· Experience with containerization and orchestration tools (Docker, Kubernetes).

Support GenAI project delivery by:

· Lead and manage end‑to‑end infrastructure for enterprise Gen AI applications hosted on OpenShift (OCP) platforms.

Own capacity planning and sizing for OpenShift clusters, including OCP pods, Oracle databases, Redis caches, Dell ECS storage, Elastic DB, Postgres, Redhat, Ubuntu (optional) and related infrastructure components

· Design and operationalize Disaster Recovery (DR) infrastructure for Gen AI platforms, ensuring high availability and resilience

· Lead E2E DR setup, including replication, failover, testing, and documentation, in collaboration with infrastructure and network teams.

· Manage certificate lifecycle (TLS/SSL), key management, and secrets handling across Gen AI applications and platforms

· Implement and oversee vulnerability management, patching, and remediation across containers, Kubernetes, and underlying infrastructure

· Support and coordinate penetration testing activities, addressing infrastructure‑related findings and security gaps

· Good understanding of AWS services (EC2, VPC, CloudWatch, Lambda, Bedrock) and tools (Terraform, CloudFormation) alongside on Prem OpenShift environments.

· Operate and support Control‑M schedulers, logging, monitoring, and alerting tools for platform observability

Bonus: experience/knowledge of open weight LLM models for text and vision use cases.

Requirements:
Key Domain/ Technical Skills:

OpenShift & Kubernetes Platform Engineering

DR Setup and Failover strategies, testing and resilience

Security, Automation and Observability

Hybrid Cloud + DR architecture

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