MS Unified Communications-SIP Test & Support Engineer

Sonsoft Inc

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Redmond, WA, us on site Until 8/21/2026 H-1B sponsor history First posted February 23, 2026 Last posted February 23, 2026
Job description

SonSoft Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. SonSoft Inc is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

  • At least 4 years of experience in Microsoft based Unified Communication skills
  • At least 2 years of Deployment, Integration, and Support experience.
  • Knowledge in end to end SIP testing including PSTN interworking.
  • Experience on scripting language such as Python will be a plus.
  • At least 2 years of experience in software development life cycle.
  • At least 4 years of experience in Project life cycle activities on development and maintenance projects.
  • At least 1 years of experience in Design and architecture review.
  • Ability to work in team in diverse/ multiple stakeholder environment
  • Experience to Unified Communications domain
  • Analytical and communication skills
  • Experience and desire to work in a Global Delivery Environment
  • Bachelor’s degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • At least 7 years of experience with Information Technology.

** U.S. Citizens and those who are authorized to work independently in the United States are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time & Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD & L2-EAD can apply.
  3. No OPT-EAD, H1B & TN candidates, please.
  4. Please mention your Visa Status in your email or resume.

** All your information will be kept confidential according to EEO guidelines.

About this role

Summary

Support and test SIP in unified communications, deployment, integration, and support in a global environment.

Job title

MS Unified Communications-SIP Test & Support Engineer

Experience level

7+ years

Industry

software

Location requirements

Redmond, WA, US; remote not allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Microsoftsip testingpythonsoftware development life cycleproject life cycledesign reviewcommunication

Preferred skills

None specified

Specializations

unified communicationssip testingdeploymentintegrationsupport
Locations

Structured locations inferred from the posting.

Redmond, WA, USA

On-site City