We are seeking an experienced Senior Cisco Network Engineer to design, implement, and operate a scalable, high-availability, and secure enterprise network infrastructure. This role is critical to ensuring network reliability, performance, and security across data center and distributed environments, while supporting ongoing growth and architecture evolution.
This position is ideal for a hands-on Cisco expert with deep routing and security expertise, strong troubleshooting skills, and a proactive mindset toward infrastructure resilience and continuous improvement.
Key Responsibilities
* Design, implement, and maintain enterprise and data-center network architectures based on Cisco technologies
* Administer and operate Cisco ASR platforms, core routing, and high-availability network components
* Configure, manage, and optimize BGP (IPv4/IPv6), including Anycast, multi-homed, and multi-carrier BGP deployments
* Implement and support IPSec VPN tunnels, encryption standards, and secure site-to-site connectivity
* Deploy, operate, and maintain Cisco Firepower NGFW, including policy control, traffic inspection, and threat protection
* Monitor network performance, diagnose latency and packet-loss issues, and proactively resolve incidents
* Perform root-cause analysis for outages and performance degradation in production environments
* Plan network capacity, scalability, and redundancy to support future growth
* Lead network projects including migrations, upgrades, and infrastructure redesigns
* Maintain accurate network diagrams, configuration standards, and technical documentation
* Collaborate with security and infrastructure teams to ensure compliance, resilience, and secure operations
* Remotely manage data-center network infrastructure and execute configuration changes safely in live environments
Requirements
* 5+ years of hands-on experience administering and architecting Cisco-based enterprise networks
* Strong expertise with Cisco ASR routers, routing modules, and high-performance network platforms
* Advanced knowledge of BGP, OSPF, VLANs, MPLS, QoS, and traffic engineering concepts
* Proven experience managing multi-homed BGP environments with IPv4 and IPv6
* Hands-on experience with Cisco Firepower NGFW (policy control, monitoring, and threat mitigation)
* Solid understanding of IPSec VPN technologies, encryption methods, and secure tunneling
* Experience with network monitoring, diagnostics, and performance tuning in distributed and data-center environments
* Strong analytical mindset with excellent troubleshooting and incident-response skills
* Ability to design resilient, scalable, and highly available network architectures
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