Senior Infrastructure Engineer

About the role

Key Responsibilities

• Data Center Infrastructure: Design and maintain high-performance data center network fabrics using Cisco Nexus and Catalyst platforms.
• Site Connectivity: Manage and optimize the connectivity between data centers and distributed office sites, ensuring reliable WAN/LAN performance.
• Routing & Switching: Configure and troubleshoot complex routing (BGP, OSPF, EIGRP) and switching (VLANs, STP) environments.
• Network Security: Implement and maintain perimeter and internal security through robust firewall management.
• Hardware Lifecycle Management: Lead hardware refreshes, firmware upgrades, and capacity planning for all physical networking assets.
• Incident Management: Act as the highest escalation point for network-related outages, performing deep-packet analysis and root-cause analysis.
• Documentation & Standards: Maintain rigorous documentation of physical topologies, IP addressing schemes, and configuration standards.
• The successful candidate must achieve the appropriate level (DV) of security clearance. More details can be found here

Required skills, qualifications and experience

• Bachelor’s degree in Computer Science, Network Engineering or equivalent professional experience.
• Significant hands-on experience in enterprise-level infrastructure or network engineering.
• Proven experience managing Cisco infastrucuture switches and data center-grade routing/switching.
• Expert knowledge of Layer 2 and Layer 3 protocols.
• Strong understanding of WAN technologies, VPNs (IPsec), and site-to-site connectivity protocols.
• Advanced ability to use CLI-based diagnostic tools and protocol analyzers (e.g., Wireshark) to resolve complex physical layer and protocol issues.

Desired Skills

• Cisco Professional or Expert level certifications (CCNA, CCNP or CCIE).
• Experience leveraging automation and scripting to streamline repetitive configuration tasks, firmware deployments, and lifecycle management across data centers and office sites.
• Experience managing and optimizing advanced WAN architectures to ensure seamless connectivity between office sites and data centers.
• Experience with structured cabling standards, rack layouts, and power/cooling considerations for data center environments.