Senior Systems Architect & Tech Strategy (FPGA/ASIC)

Spectrum IT Recruitment; Southampton; On-site; GBP 90,000 - 130,000; Full time

Job summary

Spectrum IT Recruitment is seeking an experienced Principal System Architect to provide technical leadership across the development of advanced, high-performance technology. You will shape product architectures spanning hardware, FPGA/ASIC, software and algorithms, translating complex requirements into scalable solutions and guiding engineering teams.

This role involves mentoring engineers, engaging with customers and partners, and influencing product strategy while maintaining architectural

Qualifications

• Extensive experience in system architecture for signal-processing or communications.
• Ability to define, analyse and manage complex system and product requirements.
• Leadership across multidisciplinary engineering teams.
• Customer-facing technical discussions, solution studies and integration.
• Knowledge of 3GPP standards, including 5G NR or significant 4G LTE experience.

Responsibilities

• Lead architectural development across complex products and IP, aligning customer requirements, product strategy and engineering delivery.
• Define system architectures including hardware/software partitioning, interfaces and implementation approaches.
• Lead architecture and algorithm trade-offs across performance, throughput, latency, and power.
• Provide technical direction on requirements, decomposition, modelling, performance analysis and verification strategy.
• Guide implementation decisions across software, FPGA and ASIC platforms.
• Lead customer technical discussions, feasibility studies and integration activities.
• Resolve complex engineering issues and maintain architectural consistency across products and teams.
• Mentor engineers and architects, contributing to technical standards and long-term technology planning.

Skills

System architecture

Signal processing

HW/SW partitioning

Leadership

Customer-facing

3GPP standards

Communication skills

Tools

MATLAB

Python

C++

Job description

Spectrum IT Recruitment is seeking an experienced Principal System Architect to provide technical leadership across the development of advanced, high-performance technology. You will shape product architectures spanning hardware, FPGA/ASIC, software and algorithms, translating complex requirements into scalable solutions and guiding engineering teams.

This role involves mentoring engineers, engaging with customers and partners, and influencing product strategy while maintaining architectural