L3 System Specialist

Role Purpose

NCS is looking for a core L3 System Specialist to provide advanced technical ownership across enterprise systems infrastructure. The role will focus on designing, supporting, troubleshooting and improving Windows/Linux server environments, virtualisation platforms, backup, disaster recovery, monitoring and operational resilience.

The engineer will act as the escalation point for complex incidents, guide L1/L2 engineers, and ensure systems are secure, reliable and well-documented.

Key Responsibilities

• Provide Level 3 technical support for enterprise systems, including complex incident resolution, root cause analysis and service restoration.
• Design, deploy, configure and manage enterprise system infrastructure across Windows Server, Linux and virtualised environments.
• Administer and maintain platforms such as Windows Server, Linux, VMware,Nutanix and/or Hyper-V.
• Perform upgrades, hardening and performance tuning.
• Implement and manage backup, disaster recovery and business continuity solutions.
• Support common infrastructure services such as Active Directory, DNS, endpoint protection, logging and privileged access tools.
• Monitor system health, capacity, performance and availability using enterprise monitoring/logging platforms.
• Collaborate with Cyber and infrastructure teams to ensure compliance with security standards and operational policies.
• Maintain technical documentation, system configuration records, SOPs and operational runbooks.
• Mentor L1/L2 engineers and provide technical guidance during major incidents or service improvement initiatives.
• Support 24x7 standby or after-hours support when required by project operations.

Required Skills and Experience

• Degree in Information Technology, Computer Science, Information Systems, Engineering or equivalent practical experience.
• Strong experience in system administration, preferably in an enterprise or managed services environment.
• Hands-on experience with:
  • Windows Server and/or Linux administration
  • VMware, Nutanix, Hyper-V or equivalent virtualization platforms
  • Backup and disaster recovery technologies
  • System monitoring, logging and alerting tools
  • Patch management and system hardening
• Strong understanding of networking fundamentals, including TCP/IP, DNS, routing basics and OSI layers.
• Experience with incident, problem and change management processes.
• Strong troubleshooting, documentation and communication skills.
• Able to work independently and support critical production systems.

Preferred Qualifications

• Microsoft, Red Hat, VMware, Nutanix or equivalent infrastructure certifications.
• Experience with cloud infrastructure platforms.
• Experience with automation or scripting using PowerShell, Bash or Python.
• Familiarity with ITIL/ITSM practices.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.