Senior RF engineer

Entangled Future; Netherlands; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

QuantWare in Delft is seeking a Senior RF engineer to join the R&D team in hardware engineering. You will own the full lifecycle of flex interconnect systems across product generations, from concept to manufacture, in a hybrid working setup with collaboration across teams.

The role emphasizes signal integrity, RF performance, vendor coordination, and leadership of an engineering team; experience with superconducting circuits and cryogenic environments is a bonus.

Qualifications

• 4+ years of hands-on RF engineering experience.
• Strong background in high-frequency interconnect design.
• Experience with RF simulation software and measurement equipment.
• Proven ability to lead hardware/R&D projects.

Responsibilities

• Drive Flex Architecture: oversee full lifecycle of flex interconnect systems across product generations from concept to manufacturing.
• RF & Mechanical Optimization: maintain high signal integrity while ensuring durability and thermal performance.
• Vendor Management: coordinate with external partners to translate RF, mechanical and system specs into clear requirements.
• Timeline Execution: manage supplier development schedules and track milestones to meet the roadmap.
• Direct Line Leadership: lead and grow an engineering team focused on flex interconnect development and RF integration.

Skills

RF engineering

Signal integrity

Project leadership

Cross-functional collaboration

Education

B.Sc. in Electrical Engineering

M.Sc. in RF/Microwave

Tools

HFSS

CST

ADS

VNAs

Job description

Senior RF engineer at QuantWare, Delft. A senior-level full time position in the Research & Development team, listed under hardware engineering.

At QuantWare, you'll have the trust, tools, and support to do your best work. Here's what you can expect: Competitive salary - A salary that reflects the impact and importance of the role (and of course 8% holiday allowance) Pension that is built to last - A generous and future-proof pension plan that includes partner and dependent coverage.

Flexibility built on trust - We focus on outcomes. Work flexibly, in a hybrid setup, with an open vacation policy that lets you manage your time Personal growth - We invest in your L&D, with a budget available to each team member, dependent on their individual ambitions, development needs, and performance A connected team - We make space to celebrate wins together, with team events, offsites, and spontaneous moments that bring us closer

Responsibilities

• Drive Flex Architecture: Drive the full lifecycle of flex interconnect systems across product generations, from early-stage conceptualization through verification, qualification, and high-volume manufacturing.
• RF & Mechanical Optimization: Maintain high signal integrity and RF performance while ensuring long-term mechanical reliability, durability, and thermal performance.
• Vendor Management: Work directly with external partners and suppliers to push the boundaries of flex design and manufacturing capabilities. Translate complex RF, mechanical, and system-level specs into unambiguous technical requirements for vendors, secure clear partner commitments.
• Timeline Execution: Ownership of supplier development schedules, ensuring critical components are delivered on time without compromising quality or yield. Drive internal project execution, setting schedule milestones, tracking deliverables, and keeping the team accountable to QuantWare's roadmap.
• Direct Line Leadership: Lead, mentor, and grow an engineering team dedicated to flex interconnect development and RF integration.

Requirements

• 4+ years of hands-on experience in RF engineering, signal integrity, or high-frequency interconnect design (e.g., flex circuits, rigid-flex, micro-coaxial interfaces). Deep hands-on experience with standard RF simulation software (HFSS, CST, ADS, or equivalent) and RF measurement equipment (VNAs, Spectrum Analysers, TDR).
• Proven Track Record: Demonstrated success leading hardware or R&D engineering projects from initial concept through verification to volume production.
• Vendor Co-Development: Direct experience managing external vendors, JDM partners, or component suppliers to deliver complex custom electro-mechanical parts.
• Cross-Functional Leadership: Exceptional communication and alignment skills, ability to direct and influence multi-disciplinary teams without formal direct-report authority.
• Experience designing hardware for superconducting circuits and cryogenic environments is a bonus.