Senior Network Engineer
GTN Technical Staffing
Job Description Job Description SENIOR NETWORK ENGINEER (DATA CENTER / NETWORK SECURITY) Location: Dallas, TX (Hybrid) – Relocation Available Type: Direct Hire • Competitive base salary + performance bonus • 100% company-paid benefits 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 Data Center Networking & Architecture • 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 Collaboration & Leadership • 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 • Experience supporting large-scale data center or enterprise networks • 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) • Experience supporting WAN technologies (SD-WAN, segment routing, multi-tenant environments) • Strong troubleshooting skills including packet analysis and performance optimization • Experience working in Agile or DevOps environments TECHNICAL SKILLS • Python, Ansible, Git, Jinja2 • 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 • Experience supporting secure, high-performance data center environments Company Description GTN is the leader in SOW management & technical staffing, leveraging innovation to drive next-generation recruiting to Fortune 200 companies. Company Description GTN is the leader in SOW management & technical staffing, leveraging innovation to drive next-generation recruiting to Fortune 200 companies.
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$135k - $150k
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$150k - $210k
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