{"id":2614275,"url":"https://alion.io/job/arqit-solutions-architect-defence","title":"Solutions Architect - Defence","company":{"id":172077,"name":"Arqit","domain":"arqitgroup.com","url":"https://alion.io/company/arqit","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Solutions","role_family":"Solutions","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":92000,"max_usd":163000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":43},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"PKI","optional":false},{"name":"Python","optional":false},{"name":"VPN","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-15T10:46:40Z","employer_posted_date":"2026-10-15","last_verified_at":"2026-10-19T16:25:05Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Arqit is a global cybersecurity company delivering world-leading encryption solutions to secure data and communications for enterprises, governments, defence, and critical national infrastructure (CNI). Powered by advanced symmetric key cryptography, the Arqit SKA-Platform™ offers scalable dynamic encryption that meets modern industry standards and is resilient to future threats, such as those posed by quantum computers. The platform allows devices to seamlessly generate and share secure symmetric encryption keys, reducing the vulnerabilities associated with public key infrastructure (PKI) while operating with zero-trust and Secure by Design (SbD) principles\nWe have an exciting new opportunity for a Solution Architect (Defence & Government Specialist) to join our talented Professional Services team, reporting to the Director of Professional Services and collaborating closely with the Sales team.\nOur offices are conveniently located close to Westminster, St James Park and Victoria stations and we support considerable flexibility around working from home or remotely, with frequent opportunities to travel both in the UK and internationally. The company has been growing fast which means there are plenty of opportunities for your career progression at Arqit as we scale up, but we're still very much a fast-paced start-up environment.\nOur team culture is based on collaboration and communication, providing an environment where innovation and ownership of outcomes is enabled and rewarded, allowing you expand your skills and knowledge, and accelerate your career as we grow.\nThe successful candidate will thrive in a fast-paced environment and will enjoy working for an exciting and innovative technology company. You will have a genuine passion for cybersecurity, networking, data protection and enjoy problem solving.\nWhat you'll be doing\nAs a Solution Architect with a Defence and Government focus, you will take advantage of your deep experience in networking and secure communications to help deliver on the Arqit vision.\nThis is a customer-focused role that will require you to deliver technical presentations and demonstrations, understand customer needs, develop and deliver solutions for live projects, and support pre-sales with active bids and engagements.\nYou will also deliver and develop training and product demonstrations, work with our R&D and product teams to help develop our services and be a customer advocate within Arqit.\nWhat we're looking for\nPrior experience building secure networks in the context of military, defence or CNI\nSuperb analytical and problem-solving skills\nStrong customer relations and presentation skills\nExcellent time and project management skills\nDeep understanding of software/network architectures with the ability to identify integration points rapidly\nAbility to travel in the UK and internationally\nAbility to work in the UK and ability to gain UK security clearance are both essential\nUseful to have but not essential\nComfortable working with Linux-based operating systems\nExperience with cybersecurity and networking (next-gen firewalls, VPN gateways, etc.)\nExperience of rolling out technical projects across IT platforms\nExperience working with cloud computing platforms such as OCI, Azure and AWS\nExperience working with containerisation platforms such as Docker\nAbility to develop software in C++, Java and/or 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