5G System Engineer
Role details
Job location
Tech stack
Job description
The 5G System Engineer position is part of the User Terminal Type Approval team within Viasat's Engineering division. This team is responsible for designing and performing comprehensive test campaigns to ensure that products and services meet customer and operator requirements. The System Engineer's primary responsibility is to support the development of user terminal terminals operating on current Viasat GEO infrastructure and future 5G/6G platforms. The role involves managing relationships with multiple User Terminal Value Added Manufacturers (VAMs) and leading various Type Approval activities. Additionally, the successful candidate will contribute to programs introducing new services. This role requires close collaboration with diverse project teams both within Inmarsat and with external partners. The System Engineer will act as a technical authority in vendor meetings and must confidently engage with specialists across multiple fields. Regular travel to manufacturer sites may be required.
The day-to-day:
- Definition of Type Approval process for a variety of Viasat Products and Services. This mean that the candidate shall be working closely with both internal and external technical group.
- Support the Value Added Manufacturer (VAM) on the execution of the Type Approval process
- Review meeting
- Support development milestones
- Review of test evidences and iteration with the VAM leading to issue of the TYpe Approval
- Work with the Type Approval team to define the conformance test strategy for future 5G based products. This shall be aligned with the GCF approach whilst identifying potential gaps resulting from the bespoke aspect of the Viasat product. This mean working closely with a wider system engineering group workin the specification, implementation and deployment of the next infrastructure.
- Definition of potential new test tools strategy for existing Viasat services and any new product/services. This shall include various automation concept to improve the efficiency of the team, + 102 E-UTRA; User Equipment (UE) radio transmission and reception for satellite access
- 521-4 E-UTRA; UE conformance specification; Radio Transmission and Reception; Part 4 Satellite access (RF) and performance conformance testing
- NR NTN conformance & performance
- 101-5 NR; User Equipment (UE) radio transmission and reception; Part 5: Satellite access Radio Frequency (RF) and performance requirements
- 521-5 NR; User Equipment (UE) conformance specification; Radio transmission and reception; Part 5: Satellite access Radio Frequency (RF) and performance
- Knowledge of future NTN release work items
Requirements
- Good knowledge of mobile satellite signal propagation models, in aeronautical, maritime and land environments
- Working knowledge of link budget, receiver and fading simulations
- Knowledge of hardware development including RF design.
- Antenna design, including electronically steered antennas
- Proven ability to define, plan, and to follow the execution of regression and acceptance testing activities.
- Proficiency in test automation and scripting to improve verification efficiency
- Ability to contribute to product requirements definition and participate in design reviews
- Strong analytical and problem solving skills.
- Generial 5G knowledge. The following aspects are of interest for the role considered., + Antenna certification & OTA topics
- Coexistence and capacity studies
- Knowledge of FCC & ETSI regulation for L and S-band
- Supported by knowledge of LTE/NR operational procedures e.g. Network Signalled (NS) flags
- Knowledge of 3GPP measurements and test parameters e.g.
- ACLR
- REFSENS
- ACS
- Blocking
- Understanding of GCF/GSMA framework and conformance testing procedures
What will help you on the job: The candidate must be able to work effectively within a team of engineers, demonstrating collaboration and teamwork skills. A proactive approach is crucial, along with clear communication across a broader group to validate assumptions throughout the process. Given the exposure to innovative technologies, the successful candidate should be capable of detailing proposed approaches and clearly articulating the rationale behind them. Due to the nature of the role, it is equally important to communicate progress regularly, highlight potential risks, and bring up any roadblocks promptly to ensure timely resolution.
