Manager, IT Infrastructure – Network & Security

Our Clients; Makati; On-site; PHP 1,400,000 - 2,000,000; Full time

Job summary

Our Clients is seeking an IT Infrastructure Manager to lead network and security operations, shaping the strategy and delivery of enterprise infrastructure services across on‑premises, cloud, and hybrid environments. The role combines leadership with hands‑on technical expertise and cross‑functional collaboration.

You will drive incident response, threat modeling, and secure DevSecOps practices, while partnering with business stakeholders to deliver scalable, resilient solutions.

Qualifications

• Proven experience leading technical teams across network and security disciplines.
• At least 3 years in a consulting, solution architecture, or project delivery role supporting infrastructure and security initiatives.
• At least 3 years in incident detection/response or digital forensics.
• Strong knowledge of firewalls, SIEM, endpoint security, and cloud security controls.
• Experience designing secure Azure solutions and cloud infrastructure.

Responsibilities

• Lead technical teams across network and security functions.
• Oversee vendor and partner relationships to support delivery and projects.
• Define strategy and roadmap for network and security services.
• Lead security controls implementation and incident response activities.
• Design and support enterprise network architecture across office, data center, and cloud.
• Maintain documentation standards for infrastructure architecture and operations.

Skills

Leadership

Vendor management

Incident response

Azure security

Threat modeling

Zero Trust

Security architecture

Networking

Tools

SIEM

Firewalls

Endpoint security

Cloud security controls

Job description

Role Overview

The Manager, IT Infrastructure – Network & Security is responsible for leading network and security operations, managing technical teams, and supporting the design, implementation, and optimization of enterprise infrastructure services. This role oversees both operational delivery and strategic planning across network architecture, cybersecurity controls, incident response, and infrastructure modernization initiatives.

Reporting to the Head of Global IT Infrastructure and Network Security, this position requires a strong blend of leadership, hands‑on technical expertise, and the ability to partner with business and technology stakeholders to deliver secure, scalable, and resilient infrastructure solutions.

Key Responsibilities

Leadership, Strategy & Service Management

• Lead and manage technical teams across network and security functions.
• Oversee vendor and technology partner relationships to support operational delivery and project execution.
• Manage team workload, service delivery priorities, and project execution across infrastructure initiatives.
• Define and drive the strategy and roadmap for network and security services.
• Act as a subject matter expert and provide guidance on infrastructure and security architecture solutions.
• Partner with business and technology stakeholders to gather requirements and translate them into scalable technology solutions.
• Support service management processes, including incident, change, and service request management aligned with established SLAs.
• Promote standardization, automation, and continuous improvement across infrastructure operations.
• Maintain and enforce documentation standards related to infrastructure architecture, procedures, and operational processes.

Network & Security Operations

Security Services

• Lead the implementation and management of security controls designed to protect systems, data, and network environments.
• Support incident response activities, including investigation, escalation, and remediation of security events.
• Manage escalations from security monitoring and detection platforms and coordinate resolution with internal teams and external partners.
• Support the enhancement of cloud security governance and secure DevSecOps practices.
• Conduct proactive assessments of threats, vulnerabilities, and control gaps, and support remediation planning.
• Drive vulnerability management initiatives and support risk assessments across applications, SaaS platforms, and third-party environments.
• Apply threat modeling and risk-informed security practices to strengthen control design.

Network Services

• Design and support enterprise network architecture across office, data center, and cloud environments.
• Drive network optimization to improve performance, resiliency, and operational efficiency.
• Maintain architecture documentation, diagrams, and technical standards.
• Support asset lifecycle management and infrastructure technology refresh initiatives.
• Provide support for critical network incidents, problem resolution, and escalation management.
• Lead delivery of network-related projects, including infrastructure upgrades and new site deployments.

Qualifications

Required

• Proven experience managing technical teams across network and security disciplines.
• At least 3 years of experience in a consulting, solution architecture, or project delivery role supporting infrastructure and security initiatives.
• At least 3 years of experience supporting incident detection, incident response, or digital forensics activities.
• Strong knowledge of security technologies, including firewalls, endpoint security, SIEM, intrusion prevention/detection, web application security, and cloud security controls.
• Experience designing secure solutions within Azure environments, including cloud infrastructure and application security considerations.
• Familiarity with cybersecurity frameworks and methodologies such as NIST CSF, MITRE ATT&CK, and threat modeling approaches.
• Hands‑on experience with enterprise networking and security technologies across routing, switching, segmentation, and secure connectivity.
• Strong knowledge of enterprise networking concepts including resiliency, routing protocols, NAT, VPN/IPsec, wireless networking, and segmentation strategies.
• Experience applying Zero Trust principles and secure network design practices.

Preferred

• Relevant network or security certifications (e.g., CISSP, CISM, CEH, CCNP, CCIE, GIAC) are advantageous.
• Knowledge of emerging cybersecurity threats, attack techniques, and evolving security trends.

Key Competencies

• Infrastructure and security leadership
• Network architecture and cybersecurity operations
• Incident response and risk management
• Vendor and stakeholder management
• Strategic planning and continuous improvement
• Analytical thinking and problem-solving
• Strong communication and decision-making skills