Senior Software Quality Assurance Engineer (4G/LTE/5G/RAN)
Casa Systems
Valencia, ES
hace 1 día

Job Description

Casa Systems, Inc. (Nasdaq : CASA) is 5G, delivering physical, virtual and cloud-native 5G infrastructure and customer premise networking for high-speed data and multi-service communications networks.

Our core and edge convergence technology enables public and private networks for both communications service providers and enterprises.

Casa Systems™ products deliver higher performance, improved network flexibility and scalability, increased operational efficiency and lower total cost of ownership (TCO).

Commercially deployed in more than 70 countries, Casa serves over 475 Tier 1 and regional service providers worldwide. At Casa Systems, our mission is to deliver ultra-broadband solutions that keep families, communities and the world connected.

We harness our passion for innovation to drive technological solutions that allow service providers to do amazing things that improve the way we live.

Casa Communications Technology S.L.U., an entity of Casa Systems, Inc., seeks to hire a Senior Software Quality Assurance Engineer to join its team based at its Valencia, Spain office.

The Senior Software Quality Assurance Engineer (Sr. SQAE) will impact the organization by supporting an agile team in analyzing, designing, building complete quality assurance framework, including automated and manual test, testing high quality RAN products, impacting the organization by performing the quality assurance mainly with Test Automation Scripts of high performance 4G / 5G RAN products.

The Sr. SQAE will review basic, internal product requirements as well as customer requirements, designing test plans, writing test cases, defining test strategies and performing specific test plans per customers and exploratory testing for the RAN products.

The Sr. SQAE will submit and verify defects, maintaining documentation of test results to assist in debugging and modification of RAN products, analyzing test results to certify existing functionality and integrations, recommending corrective action upon failures.

Testing will include functional and non-functional, integration, regression, system, exploratory and sanity testing.


  • Review and manage product requirements.
  • Develop test plans and test cases for manual and automated execution.
  • Manage the automated test environment for continuous integration.
  • Review tests results, investigate issues, report defects and validate fixes.
  • Provide a global vision of the project identifying potential risks and issues.
  • Lead the investigation and adoption of new test techniques and processes.

  • Undergraduate degree in Telecommunications, Computer Science, Electronic Engineering or equivalent.
  • 5+ years of experience in software or hardware system testing.
  • Knowledge of cellular technologies such as LTE, UMTS.
  • Experience in test automation using scripting languages such as Python or Perl.
  • Knowledge of TCP / IP networks.
  • Good written and verbal communication skills in English.
  • Experience with LTE architecture and 3GPP standards.
  • Experience working in an Agile Development environment.
  • ISTQB or IREB certification.
  • Experience with continuous integration tools such as Jenkins.
  • Experience with test frameworks such as Robot Framework or Cucumber.
  • Experience with test management software such as Jama or TestLink.
  • Familiarity with programming languages such as C++.
  • Familiarity with TDD and ATDD.
  • Linux / Unix operating system knowledge and shell scripting.
  • Casa Systems is committed to fostering a diverse workforce and inclusive work environment free from unlawful employment discrimination and without barriers to Equal Employment Opportunity.

    Candidates must be able to work in Spain without Company sponsorship.

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