Telephony Analyst

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS248, T3, Band 6

Job-Specific Essential Duties and Responsibilities:

• Manage and support enterprise VoIP and telephony systems across these programs, including hardware, software, peripherals, and call applications such as WFO/WFM, CMS, and call recording platforms.

• Operate, monitor, and maintain enterprise infrastructure, including web servers (e.g., IIS, Apache Tomcat), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Avaya J Series phones).

• Install, configure, troubleshoot, and resolve issues related to VoIP systems, Unix/Linux/Windows 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.

• Other tasks as assigned.

Job-Specific Minimum Requirements:


* Active Secret security clearance.


* Due to contract requirements, only US Citizens can be considered.

Candidates with dual citizenship cannot be considered.


* Minimum of 7 years of experience supporting VoIP or telephony systems in a systems administrator or engineer role.



* Experience with VoIP protocols and technologies, including SIP, RTP, SRTP, and Avaya platforms (e.g., Communication Manager, CMS, ACR, WFO, IX Messaging, System Manager).


* Experience in Unix/Linux environments including patching, volume management, LDAP integration, and log analysis.


* Experience with Windows Server environments, including Active Directory, Group Policy, DNS, DFS, and DHCP.


* Networking experience including IPv4, ports/protocols, IP routing fundamentals, and monitoring.


* Familiarity with remediation and validation of security vulnerabilities.


* Proficiency with managing and monitoring infrastructure, including telephony peripherals and server systems.


* Knowledge of client/server certificates and authentication mechanisms.

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.

Preferred/Desirable Skills:



* Prior DHS suitability


* Scripting experience (PowerShell, Shell)


* VMWare technologies (vCenter, ESXi)


* Experience with Microsoft SQL Server and PostgreSQL databases


* Exposure to call center solutions such as workforce/schedule management tools and contact recording systems

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Minimum Requirements

TCS248, T3, Band 6

EEO Statement

Maximus is an equal opportunity employer.

We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information a...