# Senior Systems Engineer (L3 - Network-Focused) > GXA · Pakistan (Remote) · Contract · Posted 2026-04-12 **Salary:** USD 30,000–36,000 **Workplace:** remote **Department:** Managed IT ## Description **Role Overview** The Senior Systems Engineer (L3) at GXA is a highly experienced, hands-on escalation engineer responsible for resolving complex technical issues across a broad MSP environment. While this role brings deep expertise in networking, firewalls, and infrastructure, it is **not limited to networking work**. Instead, this engineer serves as the primary escalation point for the most challenging service issues and plays a critical role in strengthening overall service delivery. This position exists to **eliminate recurring escalations, reduce cross-team dependencies, and raise the technical maturity of the service organization**. The Senior Systems Engineer partners closely with L1/L2 engineers, service leadership, and project teams to troubleshoot advanced issues, improve standards, and ensure stable, scalable client environments. The ideal candidate has **strong, practical networking expertise** and **solid mid-to-high level experience across standard MSP support**, including servers, cloud services, identity, endpoint management, and core business applications. Networking escalations will be a key responsibility, but day-to-day work will span a wide range of service issues and technical mentorship. **Core Focus of the Role** - Act as a senior escalation engineer responsible for **resolving the most complex service issues across client environments**, regardless of technology domain - Own issues through to resolution, reducing ticket reassignment, repeated escalations, and dependency on multiple teams - Provide deep technical support across **core MSP platforms and infrastructure**, including servers, cloud services, identity, endpoints, and networking - Serve as the **primary escalation point for advanced networking and firewall issues** when they arise, ensuring rapid and accurate resolution **Key Responsibilities** **Advanced Technical Execution** - Serve as the final escalation point for **complex service and infrastructure issues across client environments**, spanning servers, cloud services, identity, endpoints, and networking - Diagnose and resolve advanced issues across common MSP platforms, including: - Microsoft 365, Azure, and identity services - Active Directory, Exchange, and core server infrastructure - Virtualization platforms and hybrid environments - **Networking and firewalls** as a primary technical strength - Own troubleshooting end-to-end, from root cause analysis through resolution, without unnecessary dependency on other teams **Infrastructure & Networking Specialization** - Act as the **lead escalation engineer for advanced networking issues** when required, including: - Firewalls (Fortinet, SonicWall, Meraki, etc.) - VLANs, routing, switching, VPNs, NAT, and site-to-site connectivity - Design, configure, and troubleshoot infrastructure that spans **on-prem, cloud, and hybrid environments**, ensuring stability, security, and scalability **Service Impact & Operational Efficiency** - Resolve complex tickets directly rather than deferring or reassigning, improving customer experience and resolution time - Reduce recurring escalations by identifying systemic issues and driving permanent fixes - Produce clear documentation and resolution notes that raise the troubleshooting capability of L1/L2 engineers - Partner with service leadership to improve standards, workflows, and service velocity as GXA scales **Required Skills & Experience** - **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 **core MSP platforms**, including: - Microsoft 365 and Azure (identity, access, core services) - Active Directory, Exchange, and identity-related troubleshooting - Windows Server and common server roles - Virtualization platforms (VMware, Hyper-V, or equivalent) - Endpoint management and standard MSP tooling (RMM, PSA, backup, security tools) - Demonstrated ability to **own tickets end-to-end**, perform root cause analysis, and implement permanent fixes - Solid practical networking experience, including: - Firewall configuration and troubleshooting - VLANs, routing, switching, VPNs, and subnetting - Strong documentation and communication skills, with the ability to clearly explain technical issues to both technical teams and non-technical stakeholders **Preferred Skills & Experience** - Deep expertise in **networking and firewalls** within MSP client environments - Hands-on experience with firewall platforms such as Fortinet, SonicWall, Meraki, or similar - Experience designing or remediating **complex or problematic client networks** - Background supporting **hybrid cloud environments** and network-integrated cloud services - Experience mentoring or upskilling L1/L2 engineers through documentation, shadowing, or technical guidance - Familiarity with automation, scripting, or process improvement initiatives in an MSP - Experience working in organizations leveraging **offshore or distributed service teams** **Why This Role Matters at GXA** GXA is improving service efficiency rapidly and scaling intentionally. This role exists to **stabilize and strengthen the technical core** so growth does not create downstream service friction. The right hire will have immediate, measurable impact on ticket resolution speed and escalation volume. ## Apply [Apply at GXA](https://apply.workable.com/gxa-it/j/A336A8CAE0/apply) --- Powered by [Workable](https://www.workable.com)