Senior Systems Engineer — MSP Escalation Expert

GXA is seeking a Senior Systems Engineer (L3) to serve as the primary escalation point for the most complex service issues across client environments. You will own tickets end-to-end, drive root-cause analysis, and mentor L1/L2 staff while strengthening standard methodologies. The role requires hands-on expertise across servers, cloud services, identity, endpoints, and networking, with a focus on advanced networking and firewall troubleshooting in MSP environments. J-18808-Ljbffr