Sr Engineer, IT Network Security

As a Senior Network Security Operations Analyst, you will play a critical role in protecting and enabling Vistance’s global network infrastructure. This position is responsible for configuring, deploying, monitoring, and maintaining next-generation security technologies, with a primary focus on Palo Alto firewall platforms, IDS/IPS solutions, VPN services, and cloud-based security controls.

You will work closely with highly skilled engineering teams across multiple IT domains to support secure connectivity, incident resolution, and large-scale security initiatives while ensuring alignment with enterprise standards and industry best practices.

How You Will Help Us Connect The World
• Design, implement, and support a resilient network security infrastructure, including Palo Alto Firewalls, Panorama, GlobalProtect, and IPSec/SSL VPN technologies.
• Serve as the primary administrator for firewall environments, managing policy configurations, monitoring, auditing, and software updates.
• Configure, troubleshoot, and maintain site-to-site and remote-access VPN tunnels to ensure secure global connectivity.
• Perform deep technical analysis using log review, packet captures, and monitoring tools to identify root causes of complex security and network issues.
• Partner with the Security Operations Center (SOC) to support security audits, compliance monitoring, and remediation efforts.
• Collaborate across IT teams on large-scale, complex projects involving network security, cloud integrations, and infrastructure modernization.
• Proactively manage ServiceNow ticket queues, take ownership of incidents and requests, and communicate clearly with stakeholders.
• Develop and maintain support documentation, including network diagrams and technical designs.
• Participate in on-call rotations and provide after-hours support for critical security incidents.
• Continuously evaluate tools, processes, and architectures, bringing forward innovative ideas and improvement recommendations.

This role has a regional impact across APAC, contributing directly to the availability, performance, and security of enterprise network services.

Required Qualifications And Skills For Consideration
• 5+ years of hands-on experience administering enterprise firewall platforms (Palo Alto preferred).
• Strong experience with firewall architecture, security policy management, and network security design.
• Solid understanding of networking fundamentals, including:
• Routing: BGP, OSPF, static routing
• Network services: DNS, DHCP
• DMZ design, VRFs, and network segmentation
• Experience configuring and troubleshooting IPSec and SSL VPNs.
• Familiarity with cloud firewall and WAF deployments (Azure, AWS, or GCP).
• Experience using packet capture and log analysis tools, such as Wireshark and Splunk.
• Knowledge of IDS/IPS technologies and general security best practices.
• Ability to work effectively under pressure, prioritize tasks, and make sound decisions during critical events.
• Strong written and verbal communication skills, with the ability to engage technical and non-technical stakeholders.
• Bachelor’s degree in a related field preferred (or equivalent experience).

You Will Excite Us If You Have
• Experience with Azure Firewall, WAF, or other cloud-native security controls.
• Exposure to network function virtualization (NFV) and modern cloud-hybrid architectures.
• Experience supporting large, multi-region or global enterprise environments.
• A mindset of continuous learning, experimentation, and improvement.
• Proven ability to collaborate across teams, influence outcomes, and build trusted partnerships.
• A strong focus on process improvement, automation, and operational excellence.
• The confidence to research unique security challenges and recommend practical, scalable solutions.

Why Join Us?

Vistance Networks shapes the future of communications technology, pushing past what is possible. We deliver solutions that bring reliability and performance to a world always in motion. Our global team of innovators and employees are trusted advisors who listen to customers first, then deliver value.

RUCKUS Networks delivers purpose-driven enterprise networks that enable superior business outcomes in demanding environments. Our solutions combine AI-powered automation, proactive network assurance, and context-aware security, providing exceptional performance with simplified management.

If you want to grow your career alongside bright, passionate, and caring people who strive to create what's next…..come connect to your future at Vistance Networks.