We are seeking an experienced System Manager to oversee the design, implementation, and operations of mission-critical systems supporting Defence sector projects. You will work closely with Solution Architects, Project Managers, and Technical Leads to ensure system reliability, security, and high-quality delivery across multiple enterprise environments.

Key Responsibilities:

• Lead and manage all installed systems and infrastructure, ensuring availability, performance, and compliance.
• Oversee and guide engineers and technical teams in incident resolution, troubleshooting, and technical escalations.
• Plan and supervise installation, configuration, testing, and maintenance of operating systems and system management tools.
• Drive system architecture improvements, operational support processes, and security hardening (CIS benchmarks).
• Coordinate and manage relationships with vendors, partners, and internal teams to resolve complex issues.
• Ensure enterprise-wide operational excellence across Microsoft Windows, VMware, and Red Hat platforms.
• Oversee 24/7 operational support and participate in the monthly on-call rotation as needed.

Ideal candidate:

• Diploma / Degree in Computer Science, Information Systems, or related fields.
• Strong experience in IT system management across diverse infrastructure environments.
• Proactive, positive attitude with strong leadership in operations and service delivery.
• Effective communication and stakeholder management skills.
• Ability to start immediately or on short notice is an advantage.
• Experience with IBM MQ, MongoDB, and VMware NSX is a strong plus.
• Minimum 8 years of relevant experience, with proven system management responsibilities.