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Data Center-Senior Network Engineer

GTN Technical Staffing, Dallas, TX, United States


Type: Direct Hire

MUST BE GREENCARD OR US CITIZENS

OVERVIEW
We are seeking a Senior Network Engineer to join a Network & Security Platform team responsible for a global network footprint across data center, co-location, and enterprise environments.

This role is heavily focused on securing and optimizing large-scale data center networks supporting high-performance compute and mission-critical workloads. The position combines deep networking expertise with hands‑on responsibility for network security controls, including firewalls, segmentation, proxy services, and load balancing within complex, multi‑tenant environments.

The ideal candidate is a network engineer with strong security experience—someone who understands how to design, implement, and operate secure, high-performance network infrastructure at scale.

KEY RESPONSIBILITIES
Network Engineering & Operations

Design, implement, and support scalable, resilient data center network infrastructure

Operate across routing, switching, firewall, and WAN environments

Lead troubleshooting and resolution of complex network and security-related issues

Implement architectures leveraging EVPN, VXLAN, and MPLS

Support WAN environments including SD-WAN and segment routing

Work across Cisco and Arista platforms (IOS, IOS-XR, NX-OS, EOS)

Network Security Engineering

Design and manage network security controls within data center environments

Configure and support firewalls, load balancers, proxies, and segmentation strategies

Implement multi‑tenant network isolation and secure connectivity patterns

Partner with security teams to align on policies, standards, and risk mitigation

Automation & DevOps

Automate network and security operations using Python, Ansible, Git, and Jinja2

Support Infrastructure-as-Code (IaC) and CI/CD for network provisioning

Improve operational efficiency through automation and tooling

Monitoring, Performance & Reliability

Monitor network and security health using telemetry and observability tools

Perform packet analysis, performance tuning, and root cause analysis

Conduct audits to ensure compliance with standards and best practices

Partner with Data Center, Security, and Infrastructure teams

Support high-performance compute environments (HPC/AI workloads where applicable)

Mentor junior engineers and lead during incident response scenarios

REQUIRED EXPERIENCE

Strong hands‑on experience with Cisco and Arista platforms

Deep knowledge of BGP, OSPF, EVPN, VXLAN, and MPLS

Experience with network security technologies (firewalls, proxies, load balancers, segmentation)

Strong troubleshooting skills including packet analysis and performance optimization

Experience working in Agile or DevOps environments

TECHNICAL SKILLS

Network monitoring, telemetry, and observability platforms

Infrastructure-as-Code (IaC) and CI/CD practices

PREFERRED

Experience with InfiniBand or HPC environments

CCNP or equivalent required; CCIE or advanced certifications preferred

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