Salary: £75,000 - 75,000 per year Requirements: Proven experience as a Solutions Architect within Defence, National Security, or secure environments Strong understanding of secure collaboration technologies (messaging, file sharing, video, IA) Experience with enterprise architecture frameworks (e.g. TOGAF) Strong cloud knowledge (AWS, Azure, or GCP) Experience across networking, virtualisation, and cybersecurity tools Excellent communication skills with the ability to engage both technical and non-technical stakeholders Strong analytical and problem-solving capabilities Relevant certifications (CISSP, TOGAF, CCSP, ITILv4) - Desirable Experience responding to RFIs/RFPs - Desirable Background in complex, multi-stakeholder environments - Desirable Responsibilities: Work closely with clients and internal stakeholders to understand business needs, technical challenges, and security requirements Translate requirements into clear technical specifications and solution designs Lead workshops, presentations, and technical demonstrations Act as a trusted advisor on secure collaboration technologies and emerging threats Design end-to-end solutions aligned with security standards and best practices Produce architecture diagrams, technical documentation, and implementation plans Support RFI/RFP responses with detailed technical proposals Assess and select appropriate technologies, platforms, and tools Evaluate security, compliance, scalability, and interoperability Provide clear recommendations with supporting rationale Work with engineering, project teams, and vendors to ensure successful delivery Provide technical oversight throughout the project lifecycle Support issue resolution and ensure solutions meet client expectations Stay up to date with industry trends, emerging technologies, and security developments Drive continuous improvement and innovation across solutions Contribute to thought leadership and best practices Mentor and support junior team members Technologies: AWS Architect Azure Cloud GCP Support Security TOGAF More: We are Sanderson Government & Defence, supporting a leading organisation delivering secure, mission-critical solutions into the Defence and National Security sectors. We offer a salary of £75,000 plus a comprehensive benefits package, along with the opportunity to work on high-impact, mission-critical projects. Our environment is collaborative and expert-led, with ongoing professional development and career progression. We value respect and equality, and we welcome applications from people of all backgrounds and perspectives. last updated 13 week of 2026