TT&C Systems Engineer - Spacecraft RF & Procurement

Aerospacelab; Lausanne; On-site; CHF 120,000 - 180,000; Full time

Job summary

Aerospacelab in Lausanne, Switzerland is seeking a Senior TT&C Procurement Engineer to lead the sourcing of TT&C systems for LEO/GEO missions. You will define requirements, manage supplier relations, and ensure ECSS and ITU compliance across the procurement cycle.

The ideal candidate has MSc/PhD in Electrical/Telecommunications or aerospace, 3+ years in TT&C procurement or systems engineering, strong RF expertise, and experience interfacing with ESA or space agencies.

Qualifications

• MSc/PhD in Electrical, Telecommunication, Aerospace Engineering, or related field.
• 3+ years in technical procurement, systems engineering, or supplier management for TT&C/telecom systems.
• Strong RF background: link budgets, RF performance metrics, antenna pattern analysis.
• Experience with EMC/EMI requirements and testing.
• Ability to write clear, verifiable requirements and specifications.
• Solid understanding of TT&C interfaces and ICDs.
• Good knowledge of ITU regulations (incl. Article 22) and frequency coordination/licensing.
• Working knowledge of ECSS standards.
• Experience interfacing with ESA and/or national space agencies.
• Fluent English and strong communication skills.

Responsibilities

• Own the technical procurement of TT&C systems and equipment for LEO/GEO missions in S-band and Ka-band (and other bands as needed).
• Write and maintain TT&C requirements and specifications, and manage compliance through the procurement cycle.
• Define and control TT&C interfaces (electrical, RF, data) between spacecraft, TT&C equipment, and ground segment via ICDs.
• Generate and review RF link budgets and RF performance metrics, including installed antenna pattern simulations, to validate supplier designs.
• Assess EMC/RFI requirements (auto-compatibility, inter-satellite interference, etc)
• Lead technical evaluation of supplier proposals, trade studies, and compliance matrices against requirements.
• Ensure supplier deliverables meet ITU/national regulatory requirements and ECSS standards (e.g., ECSS-E-ST-50/70).
• Interface with ESA, national agencies, and ground station providers (ESTRACK, KSAT, SSC, Leaf Space, AWS Ground Station) on ground segment compatibility, including LEOP phases.
• Manage suppliers through design reviews (PDR, CDR, TRR), progress monitoring, testing, and acceptance.
• Maintain a strong market overview of TT&C products, suppliers, and ground networks to inform make-vs-buy decisions.

Skills

RF link budgets

RF performance metrics

Antenna pattern analysis

ECSS standards knowledge

ITU regulations familiarity

Scripting with Python

Supplier management

Systems engineering

Technical procurement

Education

MSc/PhD in Electrical, Telecommunication, Aerospace Engineering, or related field

Tools

HFSS

ADS

SystemVue

Job description

Aerospacelab in Lausanne, Switzerland is seeking a Senior TT&C Procurement Engineer to lead the sourcing of TT&C systems for LEO/GEO missions. You will define requirements, manage supplier relations, and ensure ECSS and ITU compliance across the procurement cycle.

The ideal candidate has MSc/PhD in Electrical/Telecommunications or aerospace, 3+ years in TT&C procurement or systems engineering, strong RF expertise, and experience interfacing with ESA or space agencies.