Role description
Network Security Engineer (Fortinet & Zscaler)
Role Summary
The Network Security Engineer is responsible for the operational management, stability, and security of enterprise network security platforms, with a primary focus on Fortinet Next-Generation Firewalls and Zscaler cloud security services (ZIA/ZPA). The role ensures secure connectivity across on-premises, cloud, and remote access environments through proactive monitoring, lifecycle management, and close coordination with vendors and internal teams.
Key Responsibilities
- Oversee and enhance the operation of Fortinet NGFW (FortiGate) and Zscaler (ZIA/ZPA) platforms to ensure availability, performance, and security.
- Lead and support upgrade, patching, and lifecycle management activities for Fortinet firewalls, Zscaler services, proxies, and IDS/IPS capabilities.
- Coordinate with Fortinet and Zscaler vendors to raise, track, and resolve support tickets.
- Monitor health, capacity, and performance of network security appliances and cloud security services.
- Perform routine hygiene activities including configuration reviews, version compliance checks, policy optimization, and performance tuning.
- Support change management processes for firewall rules, Zscaler policies, upgrades, and maintenance activities.
- Collaborate with Network Engineering, SOC, Cloud, and Infrastructure teams.
- Maintain accurate documentation, runbooks, and operational procedures.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or a related field (or equivalent experience).
- 3–5 years of hands-on experience in network security engineering or security operations roles.
- Strong hands-on experience with Fortinet firewall platforms (FortiGate).
- Working knowledge of Zscaler ZIA and/or ZPA.
- Practical experience with firewall policy management, IDS/IPS concepts, and proxy technologies.
- Experience supporting upgrades, patching, and lifecycle management.
- Familiarity with monitoring, ticketing, and change management processes.
- Strong troubleshooting and documentation skills.
Preferred Qualifications
- Experience operating network security platforms in hybrid or cloud-connected environments.
- Exposure to SASE, Zero Trust, and ZTNA models.
- Understanding of network segmentation and defense-in-depth principles.
- Certifications such as Fortinet NSE, PCNSE, Zscaler, or CCNP Security are a plus.
- Experience working in regulated enterprise environments.
Skills
Zscaler, Change Management, Firewall, IDS/IPS
About UST
UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.
