Senior Network/Infrastructure Engineer, Onsite in Charlotte, NC We are seeking a Senior Network/Infrastructure Engineer with strong experience in designing, deploying, and supporting enterprise networks and modern infrastructure platforms.  This hands-on role focuses on secure data transfer, infrastructure optimization, and day-to-day management of networking hardware, virtualization, and cloud workloads, with a strong bias toward automation and operational rigor.  This position is 100% Onsite in Charlotte, NC. Senior Network/Infrastructure Engineer Responsibilities: Infrastructure Management- Own day-to-day operations of the VMware environment (vSphere/ESX/ESXi): lifecycle management, capacity, performance tuning, patching, upgrades, backup/DR coordination, and incident response.- Partner on the virtualization roadmap, including planning and execution for migration from VMware to Nutanix (or Nutanix-based platforms), minimizing downtime and risk.- Operate and optimize storage and compute platforms (e.g., Cisco UCS, SAN/NAS such as NetApp FAS/AFF, FlexPod), including performance troubleshooting and resilience planning. Cloud & Platform Operations- Manage and optimize Microsoft Azure workloads: networking, compute, storage, security controls, cost optimization, and operational monitoring.- Operate Kubernetes environments (cluster upgrades, reliability, networking, ingress, policy, and workload troubleshooting).- Build, deploy, and support Docker containerized applications and supporting infrastructure (registries, image hygiene, runtime security, scaling).- Implement and maintain load balancing solutions (L4/L7), including TLS configuration and operational monitoring. Network Engineering & Communications- Design, implement, and support enterprise data/voice/video networks across LAN/WAN/Wi-Fi.- Configure and support routing/switching and core network services (TCP/IP, BGP, OSPF, VLANs, QoS, DHCP/DNS).- Administer and harden firewalls/VPNs (SonicWall, Cisco ASA, Palo Alto) and support secure remote access patterns. Security, Secure Transfers, and Compliance Support- Maintain secure internal and external data transfer mechanisms (e.g., SFTP/managed file transfer), including certificate/keys, access controls, and auditing.- Support vulnerability remediation, security hardening, and practical control implementation aligned to customer/security expectations (e.g., PCI/SOC-related controls where applicable).- Own SSL/TLS certificate lifecycle management across infrastructure components. Operational Excellence & Automation- Build repeatable, automated operations (Infrastructure-as-Code and configuration management preferred), reducing manual work and increasing reliability.- Improve observability and troubleshooting practices (monitoring, alerting, packet capture, traffic analysis) and drive root-cause prevention.- Participate in on-call/after-hours support rotations as needed for high-priority incidents and maintenance windows. Collaboration- Collaborate across internal teams and external vendors/clients to plan changes, execute upgrades, resolve incidents, and document outcomes.- Create and maintain clear technical documentation (runbooks, diagrams, standards) to improve operational consistency and knowledge sharing.
