UCaaS Telecommunications Engineer - Level 3

Company: ALTA IT Services
Location: Arlington
Posted on: June 4, 2025

Job Description:

Job Title: UCaaS Telecommunications Engineer - Level 3

Check out the role overview below If you are confident you have got the right skills and experience, apply today.
Location: Arlington, VA- Hybrid
12 Month Contract

Our client is looking for a UCaaS Telecommunications Engineer. Maximum expected duration is 12 months. This is a hybrid role with onsite, in-person support as required to successfully support this project.

This position will support our clients' unified communications as a service (UCaaS) program to migrate the enterprise on-premise legacy voice system to the cloud. This candidate will be responsible for technical support, including configuration, deployment, testing, support and troubleshooting for the Client's Microsoft Teams Phone voice network. The UCaaS Telecommunications Engineer will support the migrations for multiple departments under the guidance of the UCaaS Program Manager. Individual projects within this program include:
--- Migration of Client's on-premise Cisco Call Manager users to MS Teams Phone
--- Migration of existing analog devices from legacy Cisco infrastructure to Audiocodes Teams gateways
--- Decommissioning of existing legacy equipment and services according to the Client's surplus policies and procedures
--- Implementation of solutions to support ancillary voice services such as intercoms, call queues, paging, faxes, door buzzers and voice applications in the Client's court rooms and meeting spaces

Duties include:
--- Support implementation of Teams Phone migration, including the transition of analog gateways and decommission of existing Cisco on-premise system
--- Assess requirements, provide recommendations, test solutions and lead implementation for any approved voice services including legacy analog offerings
--- Provide operational support for MS Teams Phone during and after migration
--- Ensure enrolled Poly desk phones maintain current software and firmware
--- Develop and maintain documentation, including network diagrams and operational procedures
--- Collaborate with Program Manager, Program Coordinator, vendor and other project staff to complete migration and recommend project and process improvements

Experience
--- 10+ years telecommunications experience such as PSTN, PBX, VoIP, cloud voice services, SIP, circuits, wiring, dial plans, legacy telecommunication infrastructure required
--- 10+ years IT infrastructure experience such as LAN and network security
--- 3+ experience with Microsoft Teams Phone or other UCaaS/CCaaS systems
--- Ability to communicate with both technical and non-technical audiences, across all levels of the organization
--- Experience working for federal, state or local government agencies




System One, and its subsidiaries including Joul--, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #850-Rockville (ALTA IT)

Keywords: ALTA IT Services, Dale City , UCaaS Telecommunications Engineer - Level 3, IT / Software / Systems , Arlington, Virginia