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Telephony System Administrator Jobs (NOW HIRING)

Zachary Piper Solutions

$85K/yr

Manage and support enterprise telephony systems across these programs, including hardware, software ... Qualifications of the Windows/Linux System Administrator: * Minimum of 7 years of experience ...

iShare Inc

System Administrator II

Redlands, CA · On-site

$35 - $37/hr

System Administrator II Location: Onsite, Houston TX 37/ hr W2 Position Summary The Telecom ... This role is responsible for the administration and support of telephony systems, Cisco Call ...

Infojini

System Administrator II

Houston, TX · On-site

System Administrator II Location: Onsite, Houston TX - 5 days in office work schedule- location is ... This role is responsible for the administration and support of telephony systems, Cisco Call ...

T12 Technologies

System Administrator

Baltimore, MD · On-site

Telephony & Communications: Troubleshoot phone systems (VoIP/softphone), conferencing, and ... Administrator Expert (MS-102). * Microsoft Certified: Azure Administrator Associate (AZ-104)

iShare, Inc.

System Administrator II

Redlands, CA · On-site

$35 - $37/hr

System Administrator II Location: Onsite, Houston TX 37/ hr W2 Position Summary The Telecom ... This role is responsible for the administration and support of telephony systems, Cisco Call ...

MS Aerospace

System Administrator

Los Angeles, CA · On-site

Description - System Administrator Location: Sylmar, CA Position Summary Ensure that all IT ... Networking, Storage, Messaging, Telephony, Monitoring, Crystal Reports and MSFT Office Applications.

MS Aerospace Inc.

... System Administrator**# Location: Sylmar, CA# **Position Summary**Ensure that all IT requirements ... Networking, Storage, Messaging, Telephony, Monitoring, Crystal Reports and MSFT Office Applications.

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Telephony System Administrator information

See salary details

$41K

$88.9K

$137.5K

How much do telephony system administrator jobs pay per year?

As of Sep 13, 2026, the average yearly pay for telephony system administrator in the United States is $88,927.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $104,000.00 per year, depending on experience, location, and employer.

What are popular job titles related to Telephony System Administrator jobs?

For Telephony System Administrator jobs, the most frequently searched job titles are:

Windows/Linux System Administrator

On-site

Zachary Piper Solutions
IT Services • 51 - 200 employees
Learn more about Zachary Piper Solutionsexternal

$85K/yr

Other

Medical, Dental, Vision, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Zachary Piper Solutions is seeking a Windows/Linux System Administrator to join a Federal Program located in Annapolis Junction, MD. The Windows/Linux System Administrator will be responsible for maintaining and troubleshooting Avaya-based enterprise voice and contact center systems, supporting Windows/Linux servers, VMware infrastructure, network connectivity, security compliance, and 24x7 operations in a cleared government environment.

Responsibilities of the Windows/Linux System Administrator:
  • Manage and support enterprise telephony systems across these 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 (e.g., IIS), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Anaya J Series phones).
  • 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.Other tasks as assigned.
Qualifications of the Windows/Linux System Administrator:
  • Minimum of 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.
  • This contract supports systems that require 24x7x365 uptime.
  • Candidates must be willing and able to meet recall requirements, including participation in a rotational on-call schedule.
Compensation for the Windows/Linux System Administrator:
  • Salary Range: $85,000+ *flexible based on experience*
  • Comprehensive Benefits: Medical, Dental, Vision, PTO, and Sick Leave as required by law
  • Unlimited opportunities for growth

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Key words: system administrator, sys admin, installing, upgrades, troubleshooting, telephony, vmware, esxi, vcenter, management, active directory, windows, linux, unix, avaya, wof, wfm, cms, iis, telecom, dns, dhcp, ldap, poweredge, dell

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