> Markdown version of [/jobs/ext/4086144-principal-systems-architect](https://www.wearedevelopers.com/jobs/ext/4086144-principal-systems-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Architect - **Company:** Spectrum IT Recruitment - **Location:** Chilworth, UK - **Salary:** £100,000.0 - £110,000.0 - **Contract:** Permanent contract - **Skills:** LTE (Telecommunication), C++ (Programming Language), Modems, Field-Programmable Gate Array (FPGA), Hardware Design, Python (Programming Language), MATLAB, Signal Processing, Systems Architecture, Application Specific Integrated Circuits, 5G NR, Hardware Acceleration - **Published:** October 31, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5946832078 ## About the Role * Extensive experience in system architecture and development of complex signal-processing, modem or communications products * Proven ability to define, analyse and manage complex system and product requirements * Strong experience in hardware/software partitioning, interface definition and architectural design * Ability to lead technical trade-offs across software and hardware implementation approaches * Demonstrable technical leadership across multidisciplinary engineering teams * Significant customer-facing experience, including technical studies, solution evaluation and product or IP integration * Knowledge of 3GPP standards, including 5G NR or significant 4G LTE experience * Strong communication skills, with the ability to explain complex technical concepts clearly to engineering and commercial stakeholders * Desirable: experience developing complex IP for FPGA or ASIC implementation * Desirable: experience taking products from FPGA-based designs towards ASIC deployment * Desirable: experience in ASIC development, hardware acceleration and digital signal processing * Desirable: experience with fixed-point design, modelling and implementation * Desirable: proficiency in MATLAB, Python and C++ * Desirable: contributions to product roadmaps, technology strategy and long-term architectural planning * Desirable: experience mentoring senior engineers or architects and improving engineering practices ## Description * Lead architectural development across complex products and IP, maintaining alignment between customer requirements, product strategy and engineering delivery * Define system architectures, including hardware/software partitioning, interfaces and implementation approaches * Lead architectural and algorithm trade-offs across performance, throughput, latency, resource usage and power * Provide technical direction on requirements, system decomposition, architectural 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 Technologies: * Architect * FPGA * Hardware * Matlab * Python