Senior Network Engineer - TS/SCI Clearance | Data Center SDN

IPSecure, Inc; San Antonio (TX); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) retirement plan with match

Education and Certification Reimb.

Paid Federal Holidays

Job summary

IPSecure, Inc. seeks a Senior Network Engineer in Port San Antonio/San Antonio, TX for enterprise and data center network design, deployment, and operations. The role focuses on Cisco ACI, IOS/XE/NX-OS, and multi-vendor environments, with emphasis on security and scalable architectures.

The ideal candidate will manage high-availability networks, assist with migrations, and coordinate with security teams to ensure policy-driven connectivity. TS/SCI clearance is required.

Qualifications

• Advanced hands-on experience with Cisco IOS, IOS XE, NX-OS
• Experience designing, deploying, and maintaining Cisco ACI fabrics using APIC controllers
• Strong understanding of spine-leaf architectures, VXLAN/EVPN, BGP, OSPF, VRFs, VLANs, vPC, and L2/L3 networking
• Experience with Palo Alto firewalls and Panorama management
• Experience with Dell SmartFabric OS10 and legacy Dell switching environments
• Ability to troubleshoot complex multivendor networks across traditional and SDN environments

Responsibilities

• Design, configure, deploy, maintain, and troubleshoot enterprise and data center network infrastructure
• Configure and troubleshoot Cisco devices running IOS, IOS XE, NX-OS
• Support Cisco Catalyst and Nexus switching platforms and spine-leaf architectures
• Design and manage Cisco ACI fabrics including APIC, EPGs, bridge domains, tenants, contracts
• Configure routing and switching: BGP, OSPF, VLANs, VRFs, VXLAN/EVPN, vPC
• Maintain high availability and perform upgrades, backups, and migrations
• Troubleshoot Cisco ISE, Palo Alto, and firewall configurations; manage Panorama
• Support integrations with VMware vSphere and data center virtualization
• Develop network diagrams, baselines, SOPs, and engineering documentation
• Participate in design reviews, change control, and validation testing

Skills

Cisco networking

Layer 2/3 networking

BGP

OSPF

VXLAN/EVPN

spine-leaf architectures

ISE 802.1X

Tools

Cisco ACI APIC

Panorama

Palo Alto PAN-OS

SmartFabric OS10

Job description

IPSecure, Inc. seeks a Senior Network Engineer in Port San Antonio/San Antonio, TX for enterprise and data center network design, deployment, and operations. The role focuses on Cisco ACI, IOS/XE/NX-OS, and multi-vendor environments, with emphasis on security and scalable architectures.

The ideal candidate will manage high-availability networks, assist with migrations, and coordinate with security teams to ensure policy-driven connectivity. TS/SCI clearance is required.