Senior Systems Engineer, Network-Focused

GXA

. Resolve complex service and infrastructure issues across client environments .

Posted 11/6/2026contractRemote • Pakistan, South Africa, Ukraine, Sri LankaSenior💰 $30,000 - $36,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in resolving complex service and infrastructure issues across client environments, with a strong focus on Microsoft 365, Azure, and advanced networking. Capable of performing root cause analysis, implementing permanent fixes, and mentoring junior engineers.

Highest-signal resume keywords

Microsoft 365 SupportAzure SupportActive Directory TroubleshootingFirewall ConfigurationRoot Cause Analysis

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Complex Ticket ResolutionServer Infrastructure ManagementVirtualization PlatformsEndpoint ManagementNetworking ProtocolsVLAN ConfigurationRouting and SwitchingVPN ConfigurationDocumentation SkillsProcess Improvement

Soft Skills

Technical GuidanceCommunication SkillsMentoring

Tools & Technologies

VMwareHyper-VRMM ToolsPSA ToolsBackup ToolsSecurity ToolsFortinetSonicWallMeraki

Industry Keywords

Managed Services ProviderL3 Escalation EngineerHybrid CloudService VelocityDistributed Service Teams

Tech Stack

Tools & technologies

AzureCloudFirewallsSwitchingVMware

About the role

Key responsibilities & impact

Resolve complex service and infrastructure issues across client environments
Own issues end-to-end from root cause analysis through resolution
Provide technical support across servers, cloud services, identity, endpoints, networking, and core MSP platforms
Serve as the primary escalation point for advanced networking and firewall issues
Diagnose and resolve issues involving Microsoft 365, Azure, Active Directory, Exchange, server infrastructure, virtualization, endpoint management, and MSP tooling
Configure and troubleshoot firewalls, VLANs, routing, switching, VPNs, NAT, and site-to-site connectivity
Design, configure, and troubleshoot on-premises, cloud, and hybrid infrastructure
Resolve complex tickets directly and reduce reassignment and repeated escalations
Identify systemic issues and drive permanent fixes
Produce clear documentation and resolution notes to improve L1/L2 troubleshooting capability
Partner with L1/L2 engineers, service leadership, and project teams to improve standards, workflows, and service velocity
Mentor and provide technical guidance to other engineers

Requirements

What you’ll need

Senior-level MSP support experience with the ability to independently resolve complex tickets across multiple technology domains
Proven experience working as an L3 or senior escalation engineer in a managed services environment
Strong, hands-on experience supporting Microsoft 365 and Azure, including identity, access, and core services
Experience with Active Directory, Exchange, and identity-related troubleshooting
Experience with Windows Server and common server roles
Experience with virtualization platforms such as VMware, Hyper-V, or equivalent
Experience with endpoint management and standard MSP tooling, including RMM, PSA, backup, and security tools
Ability to own tickets end-to-end, perform root cause analysis, and implement permanent fixes
Practical networking experience with firewall configuration and troubleshooting, VLANs, routing, switching, VPNs, and subnetting
Strong documentation and communication skills, including the ability to explain technical issues to technical and non-technical stakeholders
Preferred: deep networking and firewall expertise, Fortinet/SonicWall/Meraki, complex network design or remediation, hybrid cloud, mentoring, automation/scripting, process improvement, and distributed service teams