Network Engineer - Platform Management

At Radiant Digital, we provide IT solutions and consulting services to help government agencies and businesses in the USA, Canada, the Middle East, and Southeast Asia. On the federal side, we support agencies like NASA, the Department of State (DOS), the IRS, ACL, ACF,USDA and many others, along with numerous state and local government agencies.

We work with industries like telecom, healthcare, entertainment, oil and gas offering solutions designed to meet their specific needs. We focus on improving systems, making better use of data, and updating applications to keep up with changing markets.

Position: Senior Network Engineer – Platform Management

Duration: Long Term

Location: Hybrid – Dallas, TX

We are seeking a Senior Network Engineer to join our Network and Security Platform Management team. This team is responsible for global network footprint across office, data center, and co-location environments, with a core focus on reliability, scalability, and innovation.

In this senior position, you will leverage your deep technical expertise in large-scale data center network operations to ensure performance, resilience, and scalability of our infrastructure. You will also drive automation and infrastructure-as-code practices across our estate.

You will play a key role in designing, implementing, and supporting cutting-edge networking solutions that support complex compute and research workflows, and work collaboratively across multiple engineering and operations teams.

Key Responsibilities

• Implement and maintain scalable and resilient data center network infrastructure built on Cisco and Arista technologies.
• Lead troubleshooting and break/fix efforts for complex enterprise network issues involving routing, switching, firewalls, and WAN infrastructure.
• Drive the automation of operational tasks, including configuration management and network provisioning, using tools such as Git, Ansible, Python, and Jinja2.
• Implement and manage WAN architectures using IOS-XR, SD-WAN, segment routing, and multitenant design principles.
• Monitor and proactively manage the health and performance of the global network infrastructure using modern telemetry and observability tools.
• Support and operate Infrastructure-as-Code and CI/CD practices for network provisioning.
• Collaborate with the Network Engineering team to deliver high-quality designs and ensure successful roll-out of strategic initiatives.
• Work closely with Data Center, Security, and DevOps teams to ensure alignment on infrastructure goals and configurations.
• Mentor and coach junior team members; promote knowledge sharing and documentation across the team.
• Conduct regular network audits and ensure compliance with internal standards and best practices.

Required Qualifications

• Proven experience operating and engineering large-scale enterprise or data center networks.
• Strong expertise in Cisco and Arista hardware and software platforms, including IOS, IOS-XR, NX-OS, and EOS.
• In-depth understanding and hands-on experience with BGP, OSPF, EVPN, VXLAN, and MPLS technologies.
• Practical experience in WAN technologies, including SD-WAN, segment routing, and multitenancy environments.
• Solid scripting and automation skills with tools like Python, Ansible, Jinja2, and Git.
• Strong diagnostic skills, including packet analysis and performance tuning.
• Experience with network monitoring tools and predictive analysis systems.
• Demonstrated ability to work in Agile and DevOps-oriented environments.
• Excellent communication and leadership skills; comfortable managing priorities in high-pressure scenarios.
• CCNP or equivalent level of certification preferred; CCIE or relevant vendor certifications a strong plus.