Opening: Join the Mission
At ByDesign Secure, we believe that world‑class security shouldn’t be an afterthought—it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernise the end‑user services that power national decision‑making. We don’t believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact technical outcomes. If you are a self‑starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to talk to you.
About the Opportunity
We are seeking a skilled and motivated Senior Solution Architect to join one of our embedded government secure delivery squads. You will be responsible for designing high quality and secure solutions and guiding your squad to deliver our designs at pace, within an environment where security, rigour, and collaboration are paramount.
This is a hands‑on role for someone who is passionate about helping teams perform at their best. You will collaborate closely with your squad to ensure they understand the solution approach and to help build the right backlog to deliver against.
What You’ll Be Doing
Develop comprehensive architectural designs and frameworks for complex systems, ensuring scalability, security, and performance.
Collaborate with stakeholders to gather requirements and translate them into technical specifications and backlogs to deliver against.
Oversee the implementation of solutions, providing guidance and support to delivery squads throughout the project lifecycle.
Conduct thorough assessments of existing systems and recommend enhancements or replacements as necessary.
Stay abreast of emerging technologies and industry trends to inform solution design and strategy.
Facilitate workshops and presentations to communicate architectural concepts and solutions to both technical and non‑technical audiences.
Mentor junior architects and developers, fostering a culture of knowledge sharing and continuous improvement.
What You’ll Bring
Proven experience as a Solution Architect or in a similar role within a technology‑driven environment.
Strong understanding of on premise and hybrid architectures, cloud computing, microservices.
Architecture and enterprise integration patterns.
Excellent problem‑solving skills, with the ability to analyse complex issues and develop effective solutions.
Experience of designing, assuring and implementing solutions within secure environments.
Strong communication skills, both written and verbal, with experience presenting to diverse audiences.
Experience working within UK Government, public sector, or defence and security programmes.
Bonus Points For
Experience with Kubernetes and/or Google Dedicated Cloud (GDC) environments.
Experience working in dis‑connected environments.
Understanding of GDS Service Standard, Cabinet Office delivery governance, or equivalent public sector frameworks and NCSC guidance.
Experience working alongside or within a SAFe Agile Release Train, with exposure to PI Planning and ART‑level ceremonies.
Relevant certifications (e.g., TOGAF, Google Cloud Professional Cloud Architect certification, AWS equivalent)
Existing UK Government Security Clearance (SC or above)
Clearance Requirements:
This role requires either an existing Security Clearance (SC level) or for one to be passed before commencement. There must be a willingness to undergo Developed Vetting (DV).
Must hold UK Citizenship (due to Client Security Restrictions)
Work Location:
Hybrid remote in London
Job Types
Temporary, Fixed term contract (Outside of IR35)
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