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.

  • In this role, you will interface with key stakeholders and apply your technical proficiency across different stages of the Software Development Life Cycle including Requirements Elicitation, Application Architecture definition and Design.
  • You will play an important role in creating the high level design artifacts.
  • You will also deliver high quality code deliverables for a module, lead validation for all types of testing and support activities related to implementation, transition and warranty.
  • You will be part of a learning culture, where teamwork and collaboration are encouraged, excellence is rewarded, and diversity is respected and valued.

Preferred Skills:-

  • 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 4 years of experience within the Information Technologies.

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

Note:-

  1. This is a Fulltime & Permanent job opportunity.
  2. Only US CitizenGreen Card HolderGC-EADH4-EAD & L2-EAD can apply.
  3. No OPT-EAD, H1B and TN Visa candidates please.
  4. Please mention your Immigration Status while applying .
  5. All your information will be kept confidential according to EEO guidelines.
About this role

Summary

Support SIP testing, deployment, and support for unified communication systems.

Job title

MS Unified Communications-SIP Test & Support Engineer

Experience level

4+ years

Industry

software

Location requirements

Redmond, WA, US; remote not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Microsoftsip testingPSTN interworkingPythonsoftware development life cycle

Preferred skills

unified communicationsdeploymentintegrationsupportdesign review

Specializations

unified communicationsip testingdeploymentintegrationsupport
Locations

Structured locations inferred from the posting.

Redmond, WA, USA

On-site City