Lead Network Security Architect: Zero Trust & Hybrid Cloud

JASS TECH PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

JASS TECH PTE. LTD.

in Singapore seeks an experienced Enterprise Network and Security Architect to design and lead complex hybrid infrastructure and security initiatives across platforms and vendors. You will guide architecture, governance, and risk reduction, deliver technical proposals, and collaborate with cross-functional teams to implement Zero Trust, SD-WAN, SASE, and firewall solutions while driving resilience and incident guidance.

Qualifications

• Minimum 10 years of relevant experience in enterprise network and network security.
• Strong experience in Network Architecture and Network Security Architecture.
• Hands-on knowledge of Cisco networking, firewalls, load balancers and enterprise network infrastructure.
• Experience with SD-WAN, SASE and Zero Trust security architectures.
• Strong understanding of hybrid cloud infrastructure and enterprise security controls.
• Experience in vulnerability management, remediation and security risk reduction.
• Knowledge of network security technologies and enterprise cybersecurity solutions.
• Experience with network migrations, data centre transformation and infrastructure optimisation.
• Strong stakeholder management and communication skills.
• Ability to prepare technical proposals, architecture documents and solution presentations.
• Experience working with enterprise customers and cross-functional technology teams.

Responsibilities

• Design and architect enterprise network and network security solutions across hybrid infrastructure environments.
• Develop solutions covering Zero Trust, SASE, SD-WAN, firewalls and secure network architecture.
• Assess existing network and security environments and provide recommendations for optimisation, risk reduction and improved resilience.
• Lead network and security transformation, migration and integration initiatives.
• Manage and support vulnerability identification, remediation and risk reduction across infrastructure environments.
• Work with cross-functional teams to ensure security vulnerabilities are addressed within agreed SLAs.
• Develop technical architecture, solution proposals, presentations and documentation for enterprise customers and stakeholders.
• Provide technical leadership during RFP/RFI/RFQ activities, solution design and technical discussions.
• Collaborate with security, infrastructure, cloud and application teams to deliver integrated solutions.
• Support security governance, compliance, audit readiness and risk management activities.
• Develop dashboards, management reports and key risk indicators for technology and security stakeholders.
• Evaluate emerging network and cybersecurity technologies and recommend appropriate solutions.
• Work with technology partners and vendors to evaluate and implement enterprise security solutions.
• Provide technical guidance during major incidents, vulnerability events and complex infrastructure issues.

Skills

Network Architecture

Security Architecture

Cisco Networking

SD-WAN

SASE

Zero Trust

Hybrid Cloud

Vulnerability Management

Stakeholder Management

Technical Leadership

Tools

Cisco IOS

Firewalls

Load Balancers

Job description

JASS TECH PTE. LTD.

in Singapore seeks an experienced Enterprise Network and Security Architect to design and lead complex hybrid infrastructure and security initiatives across platforms and vendors. You will guide architecture, governance, and risk reduction, deliver technical proposals, and collaborate with cross-functional teams to implement Zero Trust, SD-WAN, SASE, and firewall solutions while driving resilience and incident guidance.