Onsite Windows/Linux Telephony Systems Administrator

Zachary Piper Solutions; Annapolis (MD); On-site; USD 85,000 - 105,000; Full time

Benefits offered by this job

Medical

Dental

Vision

PTO

Sick Leave

Growth opportunities

Job summary

Zachary Piper Solutions seeks a Windows/Linux System Administrator for a Federal Program in Annapolis Junction, MD. You will maintain and troubleshoot Avaya-based enterprise voice and contact center systems, support Windows/Linux servers and VMware, and ensure 24x7 operations in a cleared government environment.

Responsibilities include telephony management, patching, upgrades, and security compliance, with on-site daily work and rotation-based on-call duties.

Qualifications

• Minimum 7 years of experience supporting telephony systems in a systems administrator or engineer role.
• Experience with Windows/Linux Server environments, including installation, patching, and troubleshooting.
• Experience with telephony platforms, including Avaya and call recording/workforce management applications.
• Experience with VMware environments, including ESXi and vCenter, for installation, upgrades, troubleshooting, and ESXi certificate management.
• Networking experience includes IPv4/IPv6, ports/protocols, and monitoring.
• Familiarity with remediation and validation of security vulnerabilities in a Windows/Linux Server environment.
• Proficiency with managing and monitoring infrastructure, including telephony peripherals and server systems.
• Knowledge of client/server certificate management.
• Experience with Active Directory and Group Policy Administration.
• Candidates must reside within a commutable distance for daily onsite work and on-call requirements.

Responsibilities

• Manage and support enterprise telephony systems across programs, including hardware, software, peripherals, and call applications such as WFO/WFM, CMS, and call recording platforms.
• Install, configure, operate, monitor, and maintain enterprise infrastructure, including web servers (IIS), application servers, and telecom hardware (Dell PowerEdge servers).
• Install, configure, troubleshoot, and resolve issues related to telephony systems, Windows/Linux servers, network connectivity, and system integrations with Active Directory, DNS, DHCP, and LDAP.
• Collaborate with cross-functional teams to implement telephony solutions that ensure high availability, call quality, and compliance with security and performance standards.
• Apply regular and emergency patches to Windows/Linux Server environments to maintain security and compliance.
• Perform system upgrades and migrations, including planning, testing, and execution.
• Conduct regular system health checks and preventive maintenance.
• Coordinate with security teams to address audit findings and implement appropriate remediations.

Skills

Telephony systems

Windows server administration

Linux server administration

VMware ESXi/vCenter

Active Directory

Group Policy

Security remediation

On-call rotation

Network troubleshooting

Tools

VMware ESXi

vCenter

IIS

Dell PowerEdge

Job description

Zachary Piper Solutions seeks a Windows/Linux System Administrator for a Federal Program in Annapolis Junction, MD. You will maintain and troubleshoot Avaya-based enterprise voice and contact center systems, support Windows/Linux servers and VMware, and ensure 24x7 operations in a cleared government environment.

Responsibilities include telephony management, patching, upgrades, and security compliance, with on-site daily work and rotation-based on-call duties.