Support & Systems Engineer (Level 2/3)

Zella Technologies · Córdoba

🇬🇧 English

Windows Linux macOS Active Directory Azure AD Entra ID Networking Firewalls VLANs VPNs BGP DHCP DNS Routing MikroTik Juniper VoIP SIP PBX Asterisk FreePBX 3CX Kazoo QoS Wireshark tcpdump MikroTik Torch Intune Okta Zero Trust Hyper-V VMware StarWind TrueNAS Scale Proxmox Veeam PowerShell Python Bash Google Workspace Microsoft 365 Exchange Online OneDrive SharePoint

Job description

About the role

We are a Managed Services Provider, VoIP provider and fiber ISP seeking a hands‑on Support & Systems Engineer to own Level 2 and Level 3 tickets, lead migrations, and improve our support operations. The role combines advanced troubleshooting, project delivery and documentation across a wide range of technologies.

Key responsibilities

Provide advanced technical support for Windows, Linux and macOS environments.
Manage Active Directory, GPOs, OUs and hybrid Azure AD configurations.
Troubleshoot complex networking issues (firewalls, VLANs, VPNs, BGP, DHCP, DNS, routing) and configure MikroTik, Juniper and other enterprise devices.
Diagnose VoIP problems (SIP, PBX, Asterisk, FreePBX, 3CX, Kazoo, QoS) and perform packet captures with Wireshark, tcpdump and MikroTik Torch.
Support Azure AD (Entra ID), Intune, Okta and Zero‑Trust identity solutions.
Maintain virtualized and hyper‑converged platforms (Hyper‑V, VMware, StarWind, TrueNAS Scale, Proxmox).
Manage backup and disaster‑recovery tools such as Veeam.
Automate repetitive tasks using PowerShell, Python or Bash.
Plan and execute cloud and identity migrations (Google Workspace → Microsoft 365, AD → Azure AD) including scope definition, timelines, risk management and post‑migration validation.
Create and maintain documentation, SOPs and knowledge‑base articles in ITGlue, Hudu, Confluence and internal wikis.

Required profile

Strong troubleshooting mindset with ability to work independently and lead projects.
Experience in on‑call rotations and handling SLA/KPI driven environments.
Excellent communication skills for coordinating with customers and internal teams.

Required skills

Windows, Linux, macOS
Active Directory, Group Policy, Azure AD (Entra ID)
Networking: firewalls, VLANs, VPNs, BGP, DHCP, DNS, routing
MikroTik, Juniper devices
VoIP: SIP, PBX, Asterisk, FreePBX, 3CX, Kazoo, QoS
Wireshark, tcpdump, MikroTik Torch
Azure AD, Intune, Okta, Zero‑Trust frameworks
Virtualization: Hyper‑V, VMware, StarWind, TrueNAS Scale, Proxmox
Backup: Veeam
Scripting/Automation: PowerShell, Python, Bash
Cloud migrations: Google Workspace, Microsoft 365, Exchange Online, OneDrive, SharePoint

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Published 2 months ago

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Zella Technologies

Córdoba

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