Voice Engineer

Level

Senior

Department

Other IT Positions

Type

Full Time

Project

NDA

Locations:

Argentina

Job Details

Posted on:

March 26, 2026

Job ID:

About the Company

Established in 2004, ALLSTARSIT was founded with a clear vision: to enhance the landscape of global IT employment by bridging the gap between companies and skilled professionals. The core belief was that assembling a team shouldn't be hindered by geographical constraints. Fast forward to the present day, ALLSTARSIT stands as an international outstaffing service provider committed to change the way businesses recruit, compensate, and oversee top talent worldwide.

With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.

About the Project

Our client is a leading law firm with a strong international presence, operating across dozens of countries and markets worldwide. The organization combines deep local expertise with a truly global perspective, helping clients navigate complex legal, regulatory, and business challenges across borders.

Located across more than 70 offices in over 40 countries, they have the ability to provide their clients with seamless legal and consulting services across borders

Specialization

Headquarters

Years on the market

Team size and structure

Current technology stack

Required skills:

Self-motivated engineer with in depth experience of multiple voice platforms, especially Teams voice, both with operator connect and direct routing. Experience of Cisco Call Manager also valuable.
Troubleshooting and management of Microsoft Teams Voice architecture, including advanced configurations, ideally with voice / phone systems. Troubleshooting will require good understanding of firewall rules, voice gateways (Cisco SBC). telecommunications links, connectivity, monitoring, reporting.
Able to manage migrations of phone systems, work with telecommunications companies, telephone number ports, number blocking, understanding of emergency services requirements. without issue.
General expertise in Microsoft Teams platform and able to troubleshoot more general Teams access issues.
Understanding of Teams shared device accounts and conditional access policies.
Proficient understanding of technology areas such as Active Directory, DHCP, DNS, Group Policy, and other Windows core services.
Experience of on premise or cloud fax solution such as Rightfax.
Working knowledge of powershell administration in Teams.

Scope of work:

Responsible for managing the technical aspects for the Teams voice design, configuration and migration within the larger project team, whilst also maintaining, where necessary other voice platforms.
Design with security in mind from the outset and ongoing remain accountability security and quality of cloud solutions.
Interface directly with the end users, project team and 3rd party to provide support. Participation in walk-through and demos of services.
Analytical approach to solve complex problems in a complex, large-scale, and multi data-center environments.
Solution validation testing including troubleshooting and resolution of issues.
Diagnosis of incidents during the migration, problems and change implementation to include the writing of Change Requests and seeking the required approvals.
Troubleshooting and resolving complex problems.
Ensure monitoring is in place and co-ordinate results from various parties, network, telephony, firewalls etc.
Undertake knowledge transfer to support teams (1st line, 2nd line)
Act as an escalation point of the operations team and provide on call support when needed
Provide project management for Teams/Voice initiatives that are not assigned a dedicated project management resource.
Provide status reports to the Collaborations Architecture Manager & Voice Supervisor as required
Perform other relevant functions and tasks as assigned by the Collaborations Architecture Manager
Travel as necessary to initiatives and incidents across the enterprise.