Infrastructure Engineer – Telecom Network Validation Platform

We are seeking an experienced Infrastructure Engineer to support AT&T's ANT and Open Tool platform environments utilized for telecom network testing, validation, performance monitoring, and analytics. In this role, you will manage physical and virtual infrastructure, servers, storage, enterprise networking, and test lab environments supporting LTE, 5G (NSA/SA), VoLTE, IMS, and Open RAN validation activities. You will be responsible for ensuring platform availability, high scalability, security, and operational readiness across all environments.

Key Responsibilities

Infrastructure Operations: Deploy, configure, and maintain server, storage, and networking hardware supporting ANT and Open Tool platforms across bare-metal, virtualized, and cloud setups.

Telecom Test Lab Support: Build, configure, and maintain network testbeds for LTE, 5G NSA/SA, VoWiFi, VoLTE, and IMS validation. Maintain test devices, probes, switches, and firewalls.

Server & Virtualization Administration: Administer enterprise Linux (RHEL, Ubuntu, CentOS) and Windows Servers. Manage VMware vSphere/ESXi and Hyper-V virtualization clusters.

Network Administration: Configure and troubleshoot TCP/IP, DNS, DHCP, VLANs, routing, switching, site-to-site VPNs, and firewall security policies.

Cloud & Hybrid Infrastructure: Provision, optimize, and secure cloud infrastructure across AWS, Azure, or GCP.

Storage & Continuity: Manage SAN/NAS storage arrays, performance monitoring, and disaster recovery/backup policies.

Monitoring & Incident Management: Implement monitoring and alerting frameworks (Splunk, Grafana, Prometheus, Nagios, ELK); conduct root-cause analysis (RCA) to drive fast incident resolution.

Candidate Profile & Technical Skills

Operating Systems: Advanced Linux administration (RHEL, CentOS, Ubuntu) and Windows Server.

Virtualization: Hands-on expertise in VMware ESXi / vSphere and Hyper-V.

Networking: Strong foundation in TCP/IP, routing, switching, firewalls, and VPN setup.

Cloud & Storage: Experience with AWS, Azure, or GCP; SAN/NAS storage and enterprise backup tools.

Monitoring: Hands-on with Prometheus, Grafana, Splunk, Nagios, or ELK Stack.

Automation (Good to have): Shell scripting, Python, Ansible, or Terraform.