Senior Test Engineers

As a Senior Test Engineer, you will be responsible for ensuring the quality and reliability of Sepura communication products.

You will play a key role in designing, executing, and maintaining test across both manual and automated test frameworks on new and legacy Platforms. You will also work closely with Development, Conformance, and Business Support teams to enhance product quality and efficiency.

Come and join Sepura Ltd at an exciting time of growth and progress your career within this innovative technology company, based in Waterbeach, Cambridge.

Day to Day:

Our customer base includes many different industries and markets around the world. Our complete TETRA and LTE solutions have been developed specifically for users in multiple sectors to face their critical communications challenges.

There is no such thing as a typical day here at Sepura. You will be supported by your manager and team, as well as collaborating with other departments across the business.

The activities you will be responsible for include:

• Writing and executing functional, regression, system, and performance testing to ensure product compliance with industry standards.
• Testing of software solutions / applications to ensure that the developed products meet the requirements and are free of defects.
• Reading and understanding requirements documentation provided by a Product Definition Team, Product Strategy Team or External test house
• Involved in test planning, test execution, defect tracking, and reporting to stakeholders.
• Producing and maintaining appropriate documentation for tracking quality metrics
• Develop and execute manual and automated test cases for Sepura’s LTE and TETRA products.
• Collaborate with software, hardware, and system engineers to identify defects, reproduce issues, and drive resolutions.
• Ensure test environments, test equipment, and infrastructure are maintained and available for testing.
• Participate in design and requirements reviews to provide testability feedback.
• Mentor junior test engineers and contribute to the growth of the test team.

This job involves some travelling so the successful applicant will have a full, clean driving licence, own car, and valid passport. Travel expenses will be paid.

This role may require Security Clearance in the future.

What you need to succeed

Qualifications & Certifications:

• Bachelor’s or Master’s degree in computer science, Electronics, Telecommunications, or a related field.
• 3 years UK residency is required for security check
• ISTQB certification (preferred but not mandatory).

Experience and Skills:

• A high level of communication skills and technical understanding
• 5+ years of experience in manual and automation testing, preferably in embedded systems, telecommunications, or mission-critical applications.
• Experience with manual testing methodologies for embedded software and hardware products.
• Familiarity with TETRA and LTE technologies is highly desirable.
• Excellent problem-solving skills, attention to detail, and ability to work in an agile environment.
• A critical eye for detail and capable of delivering critical feedback without damaging relationships.

Technical Skills:

• Knowledge of protocol testing, RF testing, and communication interfaces (e.g., TCP/IP, UDP, Serial, Bluetooth, etc.) is a plus.
• Strong experience in using Test Management tools (e.g., JIRA, TestRail,Jama).
• Hands-on experience with testing frameworks and tools (e.g., Selenium, JUnit, TestNG, Cypress, Postman, JMeter).
• Understanding of APIs and backend testing.

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