Senior System Architect

Senior System Architect in Southampton (SO14), SO14 | Spectrum IT Recruitment Limited My career My jobs MA My account Search These jobs were popular with other job seekers Principal/Lead Systems Engineer (Security) Hackajob Ltd Fitzhugh, Southampton (SO15) Competitive 1 week ago Senior Systems Administrator Spectrum IT Recruitment Limited Fareham (PO14), PO14 £60000 - £70000 per annum + plus benefits 1 day ago Infrastructure Engineer - Database Administration South Hampshire College Group Southampton (SO14), SO14 £40547 - £43048 per annum 2 days ago Senior Hardware Systems Engineer Outsource Portsmouth, Hampshire, PO3 5PQ 45.00 PAYE or £60.69 Umbrella inside IR35 2 days ago Systems Engineer Morson Edge Portsmouth, Hampshire, LU1 2BA £60 - 80 per hour + L6 - do not get any uplift all hours paid at Stand 26 minutes ago NEW Principal Systems Architect Spectrum IT Recruitment Limited Southampton (SO14), SO14 £100000 - £110000 per annum 1 day ago Software Engineer STSdefence Gosport (PO12) Competitive salary and Corporate Benefits 2 weeks ago Retail Supervisor Compass UK & Ireland Fareham (PO14), PO14 1AS £13.26 HOURLY 2 weeks ago Product Lead Hackajob Ltd Chandler's Ford, Eastleigh (SO53) Competitive 1 week ago Electronics Design Engineer JAM Recruitment Ltd Portsmouth (PO1), PO1 Up to £81.90 per hour 1 month ago Senior System Architect Spectrum IT Recruitment Limited View Profile Southampton (SO14), SO14 Permanent Contract; On-site Published: 1 day ago £80000 - £85000 per annum Apply Save Senior System Architect Spectrum IT Recruitment Limited Apply An exciting opportunity for an experienced Senior System Architect to join a highly technical engineering team developing advanced, high-performance technology. You will help shape complex products from initial requirements through to implementation, working across software, FPGA and ASIC technologies. Combining architectural design with practical engineering, you will influence technical decisions, evaluate implementation options and support delivery throughout the development lifecycle. This role would suit an experienced systems engineer or architect who enjoys solving complex technical problems and working closely with multidisciplinary teams. Key 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 Required: 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. Desirable Experience: 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. This is an opportunity to take ownership of challenging architectural work and influence how sophisticated technology is designed, developed, and delivered. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. Apply Spectrum IT Recruitment Limited Banking and Financial Services 34 Jobs The company is part of Company Profile In Short Industry IT & Telecommunications Founded 2008 Location Chilworth, Southampton Company size 11-50 Who We Are Established in 2008,
Spectrum IT is a leading Software and Technology specific recruitment agency, providing
permanent and contract IT resource for businesses. Our team of around 30
employees are based on the University of Southampton Science Park, a key hub
for technology on the South Coast. Who We Can Help Spectrum IT works
with a wide cross section of businesses, from start-ups to multinationals. 95%
of placements are within Software focused businesses, or where Software is key
to the business model. Typically, around 200 different businesses are supported
annually, with more than 900 candidates placed. How We Work We bring together talented
IT professionals with businesses of all sizes. Our extensive experience can
help your business with single hires right through to building large software
development project teams of 50+. Regular engagement with the IT community
enables us to keep up to date with the ever-changing IT landscape. Similar Senior System Architect Jobs Popular with Other Job Seekers Principal/Lead Systems Engineer (Security) Hackajob Ltd Fitzhugh, Southampton (SO15) Competitive 1 week ago Senior Systems Administrator Spectrum IT Recruitment Limited Fareham (PO14), PO14 £60000 - £70000 per annum + plus benefits 1 day ago Infrastructure Engineer - Database Administration South Hampshire College Group Southampton (SO14), SO14 £40547 - £43048 per annum 2 days ago Senior Hardware Systems Engineer Outsource Portsmouth, Hampshire, PO3 5PQ 45.00 PAYE or £60.69 Umbrella inside IR35 2 days ago Systems Engineer Morson Edge Portsmouth, Hampshire, LU1 2BA £60 - 80 per hour + L6 - do not get any uplift all hours paid at Stand 26 minutes ago NEW Principal Systems Architect Spectrum IT Recruitment Limited Southampton (SO14), SO14 £100000 - £110000 per annum 1 day ago Software Engineer STSdefence Gosport (PO12) Competitive salary and Corporate Benefits 2 weeks ago Retail Supervisor Compass UK & Ireland Fareham (PO14), PO14 1AS £13.26 HOURLY 2 weeks ago Product Lead Hackajob Ltd Chandler's Ford, Eastleigh (SO53) Competitive 1 week ago Electronics Design Engineer JAM Recruitment Ltd Portsmouth (PO1), PO1 Up to £81.90 per hour 1 month ago Senior System Architect jobs Senior System Architect jobs in Southampton Jobs in Southampton Senior Architect jobs Senior Engineering Manager jobs Senior Software Engineering jobs Software Architect jobs Senior Architectural Technician jobs Senior Architectural Technologist jobs Senior Technical Architect jobs Senior Project Architect jobs Senior Design Manager jobs Senior Engineer jobs Senior Software Engineer jobs Senior Designer jobs Senior Systems Architect jobs Systems Architect jobs IT Architect jobs Senior Site Engineer jobs Get hired. Find success. Totaljobs About us Careers at Totaljobs Press Partners Privacy policy Terms and conditions Cookies Legal and compliance Accessibility Jobseekers Salary Planner Jobseeker help centre Career advice Recruiters Post job ads Recruiting news Courses Contact us - recruiters Recruit internationally Download App store Play store The Stepstone Group UK Ltd © 2026 We use cookies We use cookies to operate our website, measure how people use our services to help us improve them, enrich usage profiles and personalise the content displayed to you. We also share information about your use of our site with our social media, advertising, and analytics partners, who may combine it with other information, to show you relevant ads on other websites, and to measure the performance of our advertising. Some cookies are essential for the operation of our website. If you would prefer us not to use the non-essential cookies, click “Just necessary”, but please be aware that this may impact your experience of our site and the services we are able to offer. Click “Accept” if you’re happy for us to place these cookies. You can change your mind at any time. Store and / or access information on a device Cookies, device identifiers, or other information can be stored or accessed on your device for the purposes presented to you. Personalised ads and content, ad and content measurement, audience insights and product development Ads and content can be personalised based on a profile. More data can be added to better personalise ads and content. The performance of ads and content can be measured. Insights about audiences who have viewed the ads and content can be extracted. Data can be used to build or improve user experience, systems and software. Display third-party content (social networks, videos) Content from social networks and embedded content from third-party providers can be displayed. Identifiers derived from authentications If an identifier is created based on authentication data, such as contact details associated with online accounts you have set up on websites or apps (e.g. email address, phone number) or customer identifiers (e.g. an identifier provided by your telecommunications provider), then this identifier can be used to recognize you across websites, apps and devices if you are logged in with the same contact details. Just Necessary Accept All Cookie Settings You can also exercise your right to object to data processing based on legitimate interests under “Privacy Policy”. Privacy Policy Cookie policy