Senior Infrastructure Technical Specialist

Senior System Engineer – Nokia Optics & IP Project

• Designed, developed, and maintained system-level automation solutions using Ansible, Terraform, Bash, and Shell scripting to streamline infrastructure management and reduce manual intervention.
• Built and managed Infrastructure-as-Code (IaC) frameworks to support scalable and consistent enterprise environments.
• Performed end-to-end system administration activities, including installation, configuration, patch management, performance tuning, troubleshooting, and break-fix support across Red Hat Enterprise Linux and Unix platforms.
• Administered and monitored applications hosted within AWS cloud environments, ensuring system availability, performance, and security compliance.
• Utilized diagnostic and monitoring tools such as AWS CloudWatch, Amazon Detective, Red Hat sosreport, SUN Explorer, and ILOM logs to identify root causes and implement permanent resolutions for technical issues.
• Developed and maintained CI/CD pipelines, incorporating Docker containerization, automated testing, Kubernetes rolling updates, and canary deployment strategies.
• Optimized Linux and Unix operating system performance through system tuning, resource allocation, and capacity management.
• Led technical teams by providing mentorship, technical guidance, and oversight on infrastructure-related initiatives.
• Governed Change Management processes through the preparation, review, and approval of Methods of Procedure (MOPs), ensuring compliance with operational standards.
• Collaborated closely with security, network, and application teams to ensure seamless service delivery and infrastructure reliability.
• Responded to critical incidents, conducted root cause analysis, prepared technical reports, and ensured adherence to organizational processes and service level agreements (SLAs).
  

Requirement:

• Bachelor of Science in Computer Engineering
• 8 years of experience in the followings:
• Strong experience in Linux/Unix (RHEL) system administration in enterprise environments
• Hands-on experience with AWS cloud operations and administration
• Proficient in automation and scripting: Ansible, Terraform, Bash, Shell
• Solid understanding of Infrastructure-as-Code (IaC) principles and implementation
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of containerization and orchestration: Docker, Kubernetes
• Experience in system monitoring and troubleshooting tools (e.g., CloudWatch, logs, diagnostic tools)
• Strong background in patch management, system installation, configuration, and performance tuning
• Experience in incident management, root cause analysis (RCA), and break-fix support
• Familiarity with change management processes and MOP documentation
• Ability to collaborate with security, network, and application teams
• Strong technical leadership and mentorship capabilities
• Experience working in SLA-driven production environments

Sherry Tan | R23116214 | 05C345I