Network Security Engineer

5160 Kyndryl (Singapore) Pte. Ltd.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Kyndryl Singapore is seeking a Network Security Engineer to drive the operational delivery and continuous improvement of enterprise network security services across a complex managed services environment.

You will manage firewalls, VPNs, IPS/IDS, segmentation, cloud security, vulnerability remediation, and incident response while collaborating with network, cloud, systems, and security teams to ensure secure and compliant operations.

Qualifications

• Hands-on experience administering enterprise firewall, VPN, IPS/IDS, NAT, and network security technologies.
• Strong understanding of routing, segmentation, high availability, application flows, and network security principles.
• Experience implementing controlled changes with governance, testing, rollback, and validation procedures.
• Ability to analyze security events, investigate security incidents, and coordinate remediation activities.
• Experience working with incident, change, problem, audit, and service reporting processes.
• Ability to support planned after-hours activities, incidents, and resilience exercises.

Responsibilities

• Operate, monitor, and maintain enterprise firewall, VPN, IPS/IDS, and network security technologies.
• Implement approved security policy, firewall, segmentation, and VPN changes.
• Support threat monitoring, incident triage, containment, and investigation activities.
• Manage vulnerability remediation, compliance findings, and audit actions.
• Support cloud network security services and landing zone controls.
• Maintain system configurations, documentation, evidence, diagrams, and operational records.
• Monitor performance, availability, capacity, and resilience of security platforms.
• Develop automation, orchestration, and operational improvements that enhance service quality.
• Collaborate with internal teams, vendors, carriers, and client stakeholders on service delivery activities.

Skills

Firewall administration

VPN management

IPS/IDS

Network security

NAT

Governance & change

Incident response

Automation scripting

Cloud network security

Tools

Palo Alto

Fortinet

Cisco

SIEM platforms

Job description

Who We Are

At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people—Kyndryls—that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive.

The Role

Your role As a Network Security Engineer, you will be responsible for the operational delivery and continuous improvement of enterprise network security services. You will manage firewalls, VPNs, IPS/IDS technologies, segmentation controls, cloud network security, vulnerability remediation, and security incident response activities across a complex managed services environment. You will collaborate closely with network, cloud, systems, and security teams to ensure secure, reliable, and compliant operations. Success in this role is demonstrated through strong security posture, resilient services, effective incident response, and disciplined operational governance.

What you will do

• Operate, monitor, and maintain enterprise firewall, VPN, IPS/IDS, and network security technologies.
• Implement approved security policy, firewall, segmentation, and VPN changes.
• Support threat monitoring, incident triage, containment, and investigation activities.
• Manage vulnerability remediation, compliance findings, and audit actions.
• Support cloud network security services and landing zone controls.
• Maintain system configurations, documentation, evidence, diagrams, and operational records.
• Monitor performance, availability, capacity, and resilience of security platforms.
• Develop automation, orchestration, and operational improvements that enhance service quality.
• Collaborate with internal teams, vendors, carriers, and client stakeholders on service delivery activities.

Who You Are

Required skills and experience

• Hands-on experience administering enterprise firewall, VPN, IPS/IDS, NAT, and network security technologies.
• Strong understanding of routing, segmentation, high availability, application flows, and network security principles.
• Experience implementing controlled changes with governance, testing, rollback, and validation procedures.
• Ability to analyze security events, investigate security incidents, and coordinate remediation activities.
• Experience working with incident, change, problem, audit, and service reporting processes.
• Ability to support planned after-hours activities, incidents, and resilience exercises.

Preferred skills and experience

• Experience across multiple firewall vendors such as Palo Alto, Fortinet, Cisco, or equivalent technologies.
• Experience with cloud network security, remote access, anti-DDoS, and SIEM platforms.
• Network security automation experience using scripting, APIs, or orchestration tools.
• Relevant security, networking, or cloud certifications supported by practical experience.
• Experience working in enterprise managed services or highly regulated environments.

Being You

The “Kyn” in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don’t meet every requirement, we encourage you to apply. We believe in growth, and we’re excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging — being a valued, respected, trusted member of the team — is fundamental to our culture and fueling great experiences for our customers. This dedication to welcoming everyone into our company means that Kyndryl gives you the ability to thrive and contribute to our culture of empathy and shared success. That’s The Kyndryl Way.

What You Can Expect

Your career with us isn’t just a job—it’s an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health—because we know that when you feel your best, you do your best. From your very first day, you’ll dive into impactful work that powers the systems our customers rely on every day. You won’t just contribute—you’ll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth. We’re here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you’ll have everything you need to thrive and evolve. You’ll develop in-demand skills to grow your career and achieve your ambitions with access to cutting‑edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands‑on experiences. And through it all, you’ll be part of a culture that values empathy, restless learning, and a devotion to shared success. We want you to thrive here—and we’re committed to helping you do just that.

At Kyndryl, we achieve progress the world depends on, with purpose. Beginning with the purpose that matters to you. Because here, you will be part of a culture designed with purpose. One that is restless, empathetic and devoted. Where we are committed to sustainable progress for our customers and supporting the communities where we work and live. All of you is what we want. And what we need.