Senior Network Security Engineer

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

Senior Network Security Engineer

Location: Dallas, TX

Base pay range

$125,000.00/yr - $145,000.00/yr

Role Overview

Glocomms, partnered with a leading investment firm, is seeking a talented Senior Network Security Engineer to manage global network infrastructure across office and data center environments. This senior role focuses on delivering high-performance, resilient, and scalable networking solutions in a collaborative, innovation-driven environment.

Key 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.

Required Skills & Experience

• 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.
• CCNP or equivalent certification preferred; CCIE a plus.

Benefits

• Generous PTO and fully 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 for better work-life balance
• Professional development support, including certifications

Seniority Level

Mid-Senior level

Employment Type

Full-time

Job Function

Investment Banking

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