Senior Windows/Linux Telephony Systems Administrator

Piper Companies; Maryland; On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Medical

Dental

Vision

PTO

Sick Leave

Job summary

Zachary Piper Solutions is seeking a Windows/Linux System Administrator to support a Federal Program in Annapolis Junction, MD. You will maintain and troubleshoot Avaya-based enterprise voice and contact center systems, Windows/Linux servers, VMware, and network services in a cleared government environment.

Responsibilities include patching, upgrades, system health checks, and cross-functional collaboration to ensure high availability and security compliance.

Qualifications

• Minimum 7 years supporting telephony systems in a systems admin/engineer role.
• Experience with Windows/Linux servers, patching and troubleshooting.
• Experience with Avaya and call recording/workforce mgmt apps.
• VMware ESXi/vCenter experience for installs, upgrades and troubleshooting.
• Networking knowledge: IPv4/IPv6, ports and protocols; security remediation.

Responsibilities

• Manage and support enterprise telephony systems and related applications.
• Install, configure, monitor, and maintain Windows/Linux servers and VMware infra.
• Coordinate AD, DNS, DHCP, LDAP integrations and certificate management.
• Collaborate across teams to ensure high availability and compliance.
• Apply patches and perform upgrades; conduct health checks and maintenance.
• Participate in on-call rotations to support 24x7 operations.

Skills

Telephony systems

VMware ESXi

Active Directory

Security compliance

On-call readiness

Tools

Avaya

VMware vCenter

IIS

PowerEdge servers

LDAP

Job description

Zachary Piper Solutions is seeking a Windows/Linux System Administrator to support a Federal Program in Annapolis Junction, MD. You will maintain and troubleshoot Avaya-based enterprise voice and contact center systems, Windows/Linux servers, VMware, and network services in a cleared government environment.

Responsibilities include patching, upgrades, system health checks, and cross-functional collaboration to ensure high availability and security compliance.