Technical Architect

Location: Greater London

# Technical Architect
* Nuclear* Permanent / Digital
* London* United Kingdom
* 21/07/26
* On site
* ShareI apply##️
** About Assystem
** At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutionizing the energy sector and making a significant global impact.

** Why Join the Community of Switchers?
** Be part of one of the top three largest independent nuclear engineering companies globally. At Assystem, you’ll contribute to groundbreaking projects that push the boundaries of innovation and engineering excellence. Join a community committed to driving forward the future of energy.##

Job Description Reporting to the Technical Assurance Manager, the Technical Architect is responsible for designing and assuring complex technical solutions across Digital & IT. The role provides technical leadership and guidance across projects, ensuring that technology solutions are secure, scalable, reliable, and aligned with the organisations architecture strategy and regulatory obligations.

The Technical Architect works closely with the Technical Assurance Manager and the Head of Architecture to ensure that technical design and delivery adhere to high standards of quality, security, and operational excellence. This includes working directly with Tier 1 and Tier 2 suppliers and acting as a subject matter expert.
* ** Act as the lead design authority
** for technical solutions in assigned projects, ensuring compliance with enterprise architecture standards and regulatory requirements.
* ** Work closely with the Technical Assurance Manager
** to deliver architectural assurance activities across the project lifecycle, from design through to operational handover.
* ** Design and review technical architectures
** for cloud, infrastructure, integration services, and application platforms, ensuring scalability, reliability, and security.
* ** Collaborate with business and IT stakeholders
** to translate solution intent into technically viable and sustainable architectures.
* ** Provide subject matter expertise
** to project delivery teams and suppliers, ensuring technical quality and adherence to agreed principles.
* ** Support architectural governance processes**, including participation in the Architecture Review Board (ARB) when required.
* ** Identify and assess emerging technologies**, making recommendations for adoption where they deliver business value and align with strategy.
* ** Contribute to integration planning
** to ensure interoperability across a multi-supplier delivery environment.
* ** Ensure cyber security requirements
** are embedded within all technical designs and align with enterprise security frameworks.
* ** Support risk management
** for technical delivery, escalating key risks to the Technical Assurance Manager.## My profile Essential
* Bachelor’s or Masters Degree in relevant discipline (Computer Science, Software Engineering, or Information Technology)
* Extensive experience in
** technical architecture roles
** within large-scale, regulated, or complex project environments.
* Track record of providing
** architectural assurance and oversight for supplier-delivered solutions**.Desirable
* Professional certifications such as TOGAF, ITIL, or cloud vendor certifications (AWS, Azure, GCP).
* Experience with in the nuclear, energy, or similarly regulated sectors.
** Additional information
** Join us at Assystem and be part of a global team delivering some of the most exciting and complex engineering projects in the world. This is your chance to shape the UK’s energy future while developing your expertise in a unique environment.
* Benefits include:
* Hybrid Working Opportunity   Flexible working hours   Pension scheme (8% company contribution / 4% personal contribution)   25 days’ paid annual leave + bank holidays + option to buy or sell days   Professional fees reimbursed   Employee referral scheme   Competitive Sick Pay – Support when you need it   Income Protection & 3x Salary Death-in-Service Cover   Free Digital Gym Access – Expert-led fitness classes   24/7 Employee…