Senior Network & Systems Architect (24x7 On-Call)

Inventivo Pte. Ltd.; Santo Niño 1st; On-site; PHP 1,000,000 - 2,000,000; Full time

Job summary

Inventivo Pte. Ltd. in the Philippines seeks a Senior Systems Consultant to design, implement, and support enterprise network and data centre infrastructure. The role emphasizes reliability, security and performance of critical IT environments.

The successful candidate will lead network planning, security hardening, DR/BCP exercises and 24x7 operations, with on-call duties and close collaboration with internal teams, vendors and contractors.

Qualifications

• Degree or equivalent in Information Technology or related discipline.
• CCNP Routing & Switching and CCNP Enterprise or Data Centre certifications.
• ITIL Foundation certification.
• CCIE or equivalent advanced network certification preferred.
• Experience with Cisco/Aruba network infrastructure and security technologies.
• Minimum 5 years of hands-on network infrastructure experience.

Responsibilities

• Plan and manage network infrastructure roadmaps, upgrades and refreshes.
• Design and implement network security hardening and availability improvements.
• Plan and execute hardware, software and firmware upgrades to maintain vendor-supported versions.
• Design and maintain HA, failover, backup and recovery solutions to meet RTO/RPO.
• Develop, maintain and execute Disaster Recovery (DR) and Business Continuity (BCP) procedures and exercises.
• Consolidate and plan network changes requiring downtime to minimise disruption to production services.
• Administer, monitor and maintain enterprise network and data centre infrastructure.
• Provide 24x7 on-call support, including after-hours emergency response when required.
• Investigate incidents within 30 minutes of alert or activation.
• Troubleshoot network and infrastructure issues and drive timely incident and problem resolution.
• Perform root cause analysis and recommend preventive and corrective actions.
• Manage network configuration, access controls, system interfaces and dependencies.
• Monitor network performance, availability and capacity, and implement corrective actions where required.
• Perform network hardware/software upgrades, patching, firmware updates and security fixes.
• Maintain accurate configuration, asset, inventory, licensing and technical documentation.
• Support IT audits and ensure timely remediation of audit findings.
• Perform scheduled DR/BCP exercises, including system failover, switch-over and recovery testing.
• Provide technical solutions and recommendations for network architecture and infrastructure.
• Lead or participate in infrastructure and network-related projects.
• Review technical designs, configurations, migration plans and implementation approaches.
• Support application and infrastructure teams during solution deployments.
• Plan infrastructure capacity requirements, including CPU, memory, storage and network resources.
• Assess technical risks and recommend mitigation measures.
• Develop migration and implementation plans for new or upgraded infrastructure.
• Ensure 24x7 operational support arrangements post-implementation.

Skills

Network infrastructure

Network security

High availability

Disaster recovery

Vendor management

On-call support

Education

Degree/Diploma in Information Technology or related discipline

CCNP Routing & Switching

CCNP Enterprise

Data Centre certification

ITIL Foundation

CCIE (preferred)

Tools

Job description

Inventivo Pte. Ltd. in the Philippines seeks a Senior Systems Consultant to design, implement, and support enterprise network and data centre infrastructure. The role emphasizes reliability, security and performance of critical IT environments.

The successful candidate will lead network planning, security hardening, DR/BCP exercises and 24x7 operations, with on-call duties and close collaboration with internal teams, vendors and contractors.