Senior Network Security Engineer - Hybrid & Growth

Glocomms; Dallas (TX); Hybrid; USD 125,000 - 145,000; Full time

Benefits offered by this job

Generous PTO and paid parental leave

Comprehensive health, dental, and vision coverage

401(k) with employer contributions

Free daily lunch, snacks, and beverages

On-site fitness facilities and wellness programs

Flexible hybrid work model

Professional development support, including certifications

Job summary

A leading investment firm in Dallas is seeking a Senior Network Security Engineer to manage global network infrastructure across office and data center environments. This role emphasizes delivering high-performance, resilient, and scalable networking solutions. Candidates should have extensive experience with large-scale networks and expertise in Cisco and Arista platforms. A flexible hybrid work model and comprehensive benefits package are offered.

Qualifications

• Extensive experience with large-scale enterprise or data center networks.
• Expertise in Cisco and Arista platforms (IOS, IOS-XR, NX-OS, EOS).
• Strong knowledge of BGP, OSPF, EVPN, VXLAN, MPLS.
• Familiarity with WAN technologies, SD-WAN, and segment routing.
• Scripting and automation skills (Python, Ansible, Jinja2, Git).
• Strong diagnostic and troubleshooting capabilities.

Responsibilities

• Design and maintain enterprise-scale network infrastructure using Cisco and Arista technologies.
• Troubleshoot complex network issues involving routing, switching, firewalls, and WAN.
• Automate operational tasks with Python, Ansible, and Git.
• Implement WAN networks with IOS-XR, segment routing, and multitenant designs.
• Monitor and optimize network health using advanced telemetry tools.
• Support Infrastructure-as-Code and CI/CD practices for network provisioning.
• Collaborate with cross-functional teams to deliver strategic network initiatives.
• Mentor junior engineers and promote knowledge sharing.

Skills

Large-scale enterprise or data center networks

Cisco platforms

Arista platforms

BGP

OSPF

EVPN

VXLAN

MPLS

Python

Ansible

Git

Troubleshooting

Education

CCNP or equivalent certification

CCIE certification

Job description

A leading investment firm in Dallas is seeking a Senior Network Security Engineer to manage global network infrastructure across office and data center environments. This role emphasizes delivering high-performance, resilient, and scalable networking solutions. Candidates should have extensive experience with large-scale networks and expertise in Cisco and Arista platforms. A flexible hybrid work model and comprehensive benefits package are offered.