Senior Systems Administrator, MSP Infra & Virtualization

Edge Communications; Plano (TX); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Competitive salary

401(k)

Paid time off

Disability insurance

Life insurance

Professional growth opportunities

Job summary

Edge Communications is seeking a senior, hands-on systems generalist for our Plano corporate office. You will own and fix production environments across Linux, Windows, AD, VMware vSphere/ESXi and Proxmox VE, handling root-cause analysis and on-call escalations with poise.

Responsibilities include deploying and maintaining Linux/Windows servers, managing virtualization clusters, AD configuration, and routine patching. Prior MSP exposure and relevant certifications are a plus.

Qualifications

• 10+ years of hands-on systems administration experience in production environments.
• Extensive knowledge of the Linux operating system (Enterprise Linux/Debian).
• Extensive knowledge of Windows Server and Active Directory, including Group Policy, DNS, and DHCP.
• Extensive experience with VMware vSphere/ESXi and Proxmox VE virtualization environments.
• Strong understanding of storage technologies (SAN, NAS, iSCSI) and server hardware.
• Strong understanding of TCP/IP networking, VLANs, and firewalls.
• Scripting experience with PowerShell and Bash. Python a plus.
• Proven, battle-tested track record recovering from real outages: failed hardware, corrupted file systems, broken domains, and upgrades gone wrong.
• Comfortable working across many technologies at once. A true jack of all trades.
• Prior experience in an MSP or multi-customer environment preferred.
• Industry certifications such as VMware VCP, RHCSA/RHCE, or Microsoft credentials a plus.

Responsibilities

• Escalation point for L1/L2 teams for all server, virtualization, and directory related issues.
• Install, configure, and administer Linux (Enterprise Linux/Debian Linux) and Windows Server systems.
• Build, manage, and troubleshoot VMware vSphere/ESXi and Proxmox VE clusters, including storage, networking, and HA.
• Install, configure, and administer Windows Active Directory, including multi-domain and multi-forest environments, DNS, DHCP, Group Policy, and trusts.
• Apply patches, perform upgrades, and handle lifecycle maintenance across customer environments.
• Troubleshoot alerts from commercial, open source, and locally developed monitoring tools.
• System failure analysis and recovery; ensuring the consistency and integrity of file systems.
• Respond to after-hours emergency and system down escalations. Ability to work maintenance windows as they arise.
• Work projects for MSP customers including migrations, deployments, and break/fix.

Skills

Linux

Windows Server

Active Directory

VMware ESXi

Proxmox VE

Networking

Scripting (PowerShell)

Scripting Bash

Python

MSP experience

VMware VCP

Tools

VMware vSphere/ESXi

Proxmox VE

Windows Server

Active Directory

Job description

Edge Communications is seeking a senior, hands-on systems generalist for our Plano corporate office. You will own and fix production environments across Linux, Windows, AD, VMware vSphere/ESXi and Proxmox VE, handling root-cause analysis and on-call escalations with poise.

Responsibilities include deploying and maintaining Linux/Windows servers, managing virtualization clusters, AD configuration, and routine patching. Prior MSP exposure and relevant certifications are a plus.