System Test Engineer

Job Introduction

Frequentis Group with headquarters in Vienna is an international supplier of communication and information systems for control centres with safety-critical tasks. Worldwide, more than 500 customers in some 150 countries with more than 45,000 workstations already trust our know-how and proven experience.

Voice communication is crucial for any air traffic control service
: uninterrupted, round-the-clock communication is a fundamental requirement. The Air Traffic Management (ATM) Voice Solutions business unit defines, develops and distributes the market-leading voice product portfolio to our global customers.
With the new X10 voice communication solution, we are opening the next chapter in the transformation of air traffic management communication into IT services
.

Technologies/tools:
Docker knowledge, Network Technologies and Protocols, Wireshark, Ticketing (Jira), Requirement & Test Management tools, Management Tools, Linux and virtualization, Log monitoring (e.g. Kibana), Basic Java knowledge, Selenium knowledge, Oscilloscope, WAN emulation tools, Multimeter, Frequency Generator, Test Automation tool usage, nice to have: NESSUS for vulnerability scans

Key Tasks

• Perform thorough integration testing to reveal risks and inconsistencies across components, ensuring robust failure management at the system level.
• Design and perform meaningful tests that reveal valuable information about the product's behavior
• Collaborate closely with developers, product owners and other stakeholders to understand what matters most
• Investigate bugs deeply, ask tough questions and help the team understand the impact of issues
• Use tools and automation where they add value
• Communicate clearly and document about what was tested, how it was tested and what was learned, what passed or failed

Key Qualifications

• You have a degree in network engineering, communications engineering, or software development.
• You have several years of experience in testing—ideally in integration or system testing.
• You bring strong technical skills, think analytically, and enjoy solving problems.
• You work in a structured way and know how to prioritize tasks and coordinate with others.
• You're willing to travel occasionally (about 10–15%) and have excellent English skills, both spoken and written.
• You're curious about testing, ask questions, and speak up when something doesn't seem right.
• We value testers who challenge ideas and help us improve.

Our Values

Around 2,500 employees are committed to creating a safer world with their innovative strength and technology orientation. Our culture is based on a working environment characterized by fairness and trust, mutual respect and appreciation. As an international company, we value this diversity and recruit regardless of age, gender, origin, ethnicity, sexual orientation or religion. We value fair and good working conditions, an optimum work-life-balance and offer all our employees equal development opportunities. In doing so, we focus on long-term working relationships in order to keep the valuable know-how of our employees stable.

Benefits
Working at Frequentis means making the world a safer place every day, long-term career opportunities and numerous benefits. These include a working time model based on trust, the option to work from home or remotely, a choice of IT equipment, a public transport ticket for the Vienna core zone or a reserved parking space, an allowance for meals in the office and reimbursement of expenses for working from home, the option to take a sabbatical, a comprehensive onboarding program and numerous programs for professional and personal development. You can find even MORE benefits on our career website.

TRUST-BASED OFFICE HOME OFFICE/ MODERN MENTORING TRAININGS

FITNESS/ WORKING HOURS RESTAURANT WORKATION IT-EQUIPMENT PROGRAM JOBRAD