Mission Critical System Support Lead

1 week ago

Singapore beBeeSystem Full time

Job Description

A systems administrator with excellent leadership skills is needed to lead and coordinate level 2 support operations for mission-critical systems and infrastructure.

  • Lead and ensure adherence to service level agreements, system availability, and resolve application incidents escalated from level 1.
  • Perform root cause analysis and workarounds where possible, liaise with level 3 to resolve complex application issues and escalate bugs or enhancement requests.
  • Support and maintain job schedulers, interface configurations, and integration points, document known issues, resolution procedures, and rollback in the knowledge base.
  • Act as incident manager for P1/P2 issues, and ensure resolution within service level agreements, coordinate resolution and communications, narrow down the possible sources of causing the failure, perform the correlation of events to sequence the chain of events leading up to the failure and identify the dependencies.
  • Supervision and provision of guidance to level 2 engineers for change requests and service requests, manage day-to-day operations of the level 2 support, track and report the level 2 key performance indicators such as resolution rate, mean time to resolve, and system availability.

Requirements

  • Bachelor's degree in information technology, computer science, engineering, or a closely related discipline.
  • At least five years of experience in level 2 support for mission critical 24/7 production support, preferably in public sector.
  • At least two years in a team lead or supervisory role, coordinating tasks and mentoring junior engineers.
  • Proven experience in handling P1/P2 incidents, managing post-incident reviews, and root cause analysis.
  • Certification in Red Hat Enterprise Linux or Kubernetes is desirable.

Desirable Skills

  • Strong composure under intense pressure.
  • Strong communication skills both written and spoken.
  • Attention to detail.
  • Continuous learner.
  • High integrity and professionalism.
  • Initiative and proactiveness.

Operating Systems

  • RHEL (90%).
  • Windows Server (10%).

Networking Fundamentals

MiddleWare & Infrastructure

  • Web server – Nginx.
  • App servers – Kubernetes with containers (Docker + Spring Boot).

Message Queues

  • IBM MQ.
  • Kafka.

Languages

  • Java.
  • C#.
  • MQTT.
  • Golang.

Databases

  • SQL Server.
  • PostgreSQL.

ITIL/ITSM Process Knowledge

Security Awareness

DR and HA concepts

Strong Technical Skills

Leadership & Coordination

Communication & Collaboration

Operational Governance

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