Senior Network Security Engineer
Singapore, Singapore
Listed on 2026-02-28
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IT/Tech
Cybersecurity, Systems Engineer
Job Description
Location:
Singapore
Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are seeking an experienced network security engineer to build, operate, and scale our SASE architecture, encompassing both logical and physical infrastructure managed through Infrastructure as Code leveraging both Fortinet products and Linux (Open Stack) systems.
You’ll work across network architecture, security operations, and automation‑designing solutions, driving incident resolution, and implementing systemic improvements to prevent recurrence.
This role includes participation in a 24x7 NOC on‑call rotation and requires some staffed weekend coverage.
As a Sire Reliability Engineer, you will:- Maintain network architectures across datacenter environments (logical & physical)
- Build and optimize network monitoring and observability systems
- Develop automation to detect, mitigate, and remediate network events and solve problems
- Perform root cause analysis and drive issues to resolution
- Maintain documentation and operational consistency across the infrastructure
- Contribute to technical discussions and long‑range capacity planning
- Provide support to internal teams as a top‑tier escalation point for all production issues
An insightful and influential collaborator to join our team. We encourage you to apply for this position if you have the following qualities:
Networking (8+ years)- Expert‑level hands‑on experience with L2 switching, IP routing, and protocols (BGP, OSPF, MPLS, VRRP, STP, GRE, IPsec, SNMP)
- Large‑scale BGP experience: public ASNs, peering, route arbitration, IRRs
- Access control, threat management (vulnerabilities, malware, APTs, botnets)
- SSL inspection, content categorization, security/risk frameworks
- Fortinet product experience strongly preferred
- Administration of RHEL/CentOS, Ubuntu
- Web servers, SQL databases, LDAP, etc.
- Open Stack experience a plus (RHOSP/RHOSO preferred)
- Strong troubleshooting instincts and documentation habits
- Comfortable working independently in a ticket queue environment
- Clear communicator who can context‑switch between deep technical work and stakeholder updates
- Cloud experience (AWS, GCP, Azure)
- Infrastructure‑as‑code tools (Terraform, Ansible)
- Load balancing and DDoS mitigation at scale
- Certifications:
NSE7/8, CCIE R&S, RHCSA/RHCE
At Fortinet, we embrace diversity and inclusivity. We encourage applications from diverse backgrounds and identities. Explore our welcoming work environment designed for a rewarding career journey with an attractive Total Rewards package to support you with your overall health and financial well‑being. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe.
We will only notify shortlisted candidates.
Fortinet will not entertain any unsolicited resumes, please refrain from sending them to any Fortinet employees or Fortinet email aliases. Should any Agency submit any resumes to Fortinet, these resumes if considered, will be assumed to have been given by the Agency free of any related fees/charges.
About UsFortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere. This is why the world’s largest enterprises, service providers, and government organizations choose Fortinet to securely accelerate their digital journey. The Fortinet Security Fabric platform delivers broad, integrated, and automated protections across the entire digital attack surface, securing critical devices, data, applications, and connections from the data center to the cloud to the home office.
Ranking #1 in the most security appliances shipped worldwide, more than 615,000 customers trust Fortinet to protect their businesses. And the Fortinet NSE Training Institute, an initiative of Fortinet’s Training Advancement Agenda (TAA), provides one of the largest and broadest training programs in the industry to make cyber training and new career opportunities available to everyone.
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