RF Inter-Satellite Link (ISL) Specialist for Small Satellite Platforms

Publiceringsdatum: 2025-06-10

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Jobbannons

OHB Sweden is a leading Swedish supplier of space systems. We develop, build, test and commission satellites and subsystems for space missions in, for example, communication, earth observation and space research for institutional and commercial customers within and outside Europe.

Job Description: We are seeking a highly skilled RF ISL Specialist to join our dynamic team. The successful candidate will be responsible for the development and implementation of an onboard RF Inter-Satellite Link on small satellite platforms.

Key Responsibilities

• Mission Requirements Collection - Gather and analyse potential mission requirements for using RF ISL in small satellite constellations in LEO for LEO-LEO and LEO-GEO communications.
• Technical Specifications Definition - Define technical specifications for the RF ISL, including frequency bands, data rates, modulation schemes, and link budget.
• Market Research - Conduct market research to identify available RF ISL hardware suitable for small satellite platforms. Focus on Technology Readiness Level (TRL), power demand, mass, pointing requirements, and available data rates.
• System Architecture Development - Develop a system architecture document outlining the RF ISL components and their interactions. Include block diagrams, flowcharts, and descriptions of the overall system design, with a focus on the Telemetry and Telecommand (TM/TC) concept of operations in S-Band.
• Component Design - Create design documents for each RF ISL component, including transceivers, antennas, amplifiers, and filters. Provide schematics, circuit diagrams, and technical specifications for each component.
• Signal Processing Documentation - Document the signal processing algorithms and protocols used in the RF ISL as part of a Space-to-Space Interface Control Document (ICD). Include mathematical models, flowcharts, and descriptions of the signal processing techniques.
• Design, Development, and Verification Plan (DDVP) - Develop a DDVP outlining the tests to be performed on the RF ISL components and system.
• Assembly, Integration, and Testing (AIT) Plan - Develop an AIT Plan outlining how the RF ISL subsystem can be integrated into a small satellite platform.
• Software Development - Define a software development plan to model ISL access between LEO-LEO and LEO-GEO satellites. Ensure the software includes link-budget analysis and time-based performance criteria. Develop a software simulator as part of the small satellite simulator.

Qualifications

• Bachelor's or Master's degree in Electrical Engineering, Telecommunications, or a related field.
• Proven experience in RF communication systems development and implementation.
• Strong understanding of satellite communication and RF ISL technologies.
• Proficiency in software development and simulation tools.
• Excellent analytical and problem-solving skills.
• Ability to work collaboratively in a team environment.

Benefits

• Competitive salary and benefits package.
• Opportunities for professional growth and development.
• Work on innovative projects with a talented team.
• Flexible working hours and remote work options.

Application Process: To apply, please submit your resume and a cover letter detailing your relevant experience and why you are interested in this position. A security check will be carried out in connection with the recruitment process.