RF System Engineer
About Invasys
InvaSys is a Czech technology company focused on the research, development, and production of turn-key systems for communication monitoring and cyber intelligence, for the defence and security sector. It provides advanced technologies that support government institutions working in state security, intelligence, and law enforcement. The portfolio includes systems enabling the monitoring of encrypted communication, data retrieval, and the precise geolocation of different types of mobile devices.
Unique products are developed in-house by a Czech team of engineers who continuously improve the company’s intellectual property, collaborate closely with universities, and transform theoretical concepts into field-ready technologies that provide tactical advantages to operational agents. InvaSys exports worldwide and maintains long-term relationships with a stable customer base of government clients. Its mission is making the world a safer place through innovation and technological advancement.
Context
InvaSys has a project-oriented structure allowing maximal flexibility and customization for our clients. Our projects are realized by a dedicated engineering team with the support of our science department and R&D department. Most of our projects are for governmental agencies and are addressing the export market mainly Europe, Asia, Middle East and Africa.
Your Mission and Responsibilities
In close collaboration with the project technical leader, you will be part of the development team responsible for designing, verifying, and optimizing advanced hardware solutions. Your main responsibilities will include:
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work on cutting-edge RF technologies for mission-critical communication systems,
- RF chain analysis, measurements, and optimization to ensure top performance,
- troubleshooting network issues using high tech lab instruments and diagnostic tools,
- preparing test procedures and documentation to verify product specifications,
- collaborating with hardware and system engineers on integration topics,
- supporting prototype validation and manufacturing activities,
- opportunity to tackle complex RF challenges from design to field deployment.
Job Requirements and Qualification
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Strong knowledge of mobile communication standards: GSM, UMTS (3G), LTE (4G), and 5G,
- understanding of RF principles, EMC, and grounding practices,
- hands-on experience with lab instruments: spectrum analyzer, VNA, signal generator, oscilloscope,
- ability to analyze and solve RF-related issues in complex systems,
- willingness to learn and adapt to new technologies,
- advantages: experience with RAN optimization or hardware design (schematics, PCB layout).
Why Join Us?
- Opportunity to work on cutting-edge technology.
- Collaborative and innovative team environment.
- Competitive salary and benefits.
- Professional growth and learning opportunities.
Location: Brno, Czech Republic
Job Type: Full-time