Senior Systems Architect: FPGA/ASIC & 5G Design

Spectrum IT Recruitment; England; On-site; GBP 90,000 - 120,000; Full time

Job summary

An experienced Senior System Architect is sought to join a highly technical engineering team developing advanced, high-performance technology. You will shape complex products from requirements through implementation, crossing software, FPGA and ASIC domains, influencing technical decisions and supporting delivery across the lifecycle.

The role suits an engineer who thrives on solving complex problems and collaborating with multidisciplinary teams, taking ownership of challenging architectural

Qualifications

• Proven experience in system architecture, requirements analysis and technical design.
• A strong background in signal processing, modem design or communications systems.
• Experience defining hardware/software architectures and evaluating implementation constraints.
• Ability to assess architectural and algorithm trade-offs across software, FPGA and ASIC platforms.
• Proficiency in MATLAB, Python and C++ for modelling, analysis and development.
• Knowledge of 3GPP standards, including 5G NR or significant 4G LTE experience.
• Strong analytical, problem-solving and communication skills.
• Development of complex IP for FPGA or ASIC implementation.
• Taking products from FPGA-based designs towards ASIC deployment.
• Hardware acceleration and digital signal processing.
• Fixed-point design, modelling and implementation.
• Customer-facing technical collaboration.
• Contributions to product roadmaps, technology strategy or long-term architectural planning.

Responsibilities

• Translate system, product and customer requirements into practical, scalable architectures.
• Define hardware/software partitioning, interfaces and implementation strategies.
• Evaluate design trade-offs across performance, throughput, latency, resource usage and power.
• Develop architectural models, conduct performance analysis and support verification planning.
• Collaborate with software, algorithm, FPGA and ASIC engineers throughout development.
• Work with customers and partners on technical requirements, feasibility studies and product integration.
• Contribute to future product development and architectural improvements.

Skills

System architecture

Requirements analysis

Technical design

Signal processing

Modem design

Communications systems

3GPP / 5G NR

MATLAB

Python

C++

FPGA architectures

ASIC deployment

Hardware/software partitioning

Performance analysis

Digital signal processing

Fixed-point design

Customer collaboration

Roadmaps / architecture planning

Tools

MATLAB

Python

C++

FPGA design

ASIC implementation

Job description

An experienced Senior System Architect is sought to join a highly technical engineering team developing advanced, high-performance technology. You will shape complex products from requirements through implementation, crossing software, FPGA and ASIC domains, influencing technical decisions and supporting delivery across the lifecycle.

The role suits an engineer who thrives on solving complex problems and collaborating with multidisciplinary teams, taking ownership of challenging architectural