Supply of Public Key Infrastructure (PKI) Hardware Appliance

Supply of Public Key Infrastructure (PKI) Hardware Appliance Unite Procurement UK Limited (part of Unite Holding SE), on behalf of the Ministry of Defence, is seeking suppliers to join the Unite Procurement Platform to support the supply of Public Key Infrastructure (PKI) Hardware Appliance. The Unite Procurement Platform (Unite | Simplify indirect procurement with our smarter platform) offers a compliant route to market for UK Public Sector organisations to manage low-value, high-volume procurement. Description of Requirements PKI Platform • Full Certificate Authority (CA), Registration Authority (RA), and Validation Authority (VA) functions • Support for X.509 certificate issuance across classified and unclassified domains • Compatibility with industry-standard enrolment protocols (SCEP, EST, ACME, CMP) • Integration with Microsoft AD Certificate Auto Enrollment • API-based integration (REST and web services) Appliance Hardware • Secure, hardened rack mount appliance • Redundant SSDs • Redundant power supplies • ECC or equivalent error tolerant memory • Defence grade hardening and assurance High Availability & Scalability • Support for multi node, geographically distributed resilience • Real time replication and clustering • Scalable certificate capacity (minimum 2,500 certificates, with growth to millions) Management & Security • Web-based administrative interface appropriate for restricted environments • Full audit logs and compliance reporting • Secure update mechanism • Backup and disaster recovery functionality • Alignment with MOD security policies and Zero Trust initiatives Contract Scope • Supply of appliance(s) • PKI platform licensing • HSM capability • Implementation, integration, and configuration • Ongoing support and maintenance How to Apply Interested suppliers should register their interest by contacting Unite Procurement UK Limited and provide details of their product range, modification capabilities, and maintenance services. Further information on the onboarding process for the Unite Procurement Platform will be provided upon expression of interest and can also be found at the link attached. Unite Procurement UK Limited does not intend to appoint a sole supplier for this requirement. Instead, multiple suppliers may be onboarded to the Unite Procurement Platform to ensure a diverse and competitive supply base, supporting flexibility and choice for the Ministry of Defence and associated organisations. Suppliers are encouraged to express their interest by the stated closing date to ensure early consideration. However, applications to join the Unite Procurement Platform will be welcome at any time beyond the initial deadline. Unite Procurement UK Limited reserves the right to review and onboard new suppliers on a rolling basis to meet evolving requirements and to maintain a dynamic and responsive supplier network. For any enquiries an interest, please email defence.support@unite.eu with the subject title ''TSS 584 ''