Salary: CHF ? - ? per year Requirements: Lead Solution Architect – Secure On-Prem & Private Cloud (Contract) Overview We are looking for an experienced Lead Solution Architect to take a senior, end-to-end role in the design and governance of high-security on-premise and private cloud environments. This is a strategic architecture and leadership role at the intersection of infrastructure, security, and compliance, embedded in complex, long-running programs within a defense-tech and critical-infrastructure context. The mandate is contract-based, starting around February, with an initial duration of 6 months and a realistic extension up to 18 months, depending on project progress. Required Experience & Skills We are looking for someone who brings: * Several years of experience as Solution Architect or Lead Architect in complex infrastructure projects * Strong background in on-premise / private cloud architectures * Proven exposure to security and compliance frameworks, especially * ISO/IEC 27001 * NIST standards * Hands-on or architectural experience with at least one of the following: * Nutanix * HPE Sovereign Private Cloud / HPE GreenLake * Ability to operate confidently in security-critical and regulated environments * Strong analytical, conceptual, and documentation skills * Clear communication style with both technical teams and management * Architect high-impact, non-commodity infrastructure * Work at senior level with real decision authority * Long-running mandate with extension potential * Technically challenging, not buzzword-driven * High autonomy, clear expectations, and strong governance * Security & Compliance: This role requires eligibility for a Swiss PSP (personal security screening) due to the sensitive nature of the projects. If you are a lead/senior architect who enjoys responsibility, complexity, and security-critical environments, this role offers a rare mix of depth, influence, and stability. Responsibilities: Your Role & Responsibilities As Lead Solution Architect, you will: * Own the overall target architecture for a secure on-prem / private cloud environment * Act as technical lead and decision authority across architecture and design topics * Translate security, compliance, and regulatory requirements into robust technical designs * Guide external technology partners during design, implementation, and validation phases * Ensure architectural consistency across infrastructure, security, and operations layers * Review, challenge, and approve solution designs and technical concepts * Support RFP/RFQ and vendor evaluation processes from an architectural perspective * Accompany testing, acceptance, and handover into operations * Work closely with internal IT, security, and compliance stakeholders at senior level Core Technical Focus Areas You will work across a secure infrastructure stack including: * On-premise and private cloud platforms * Virtualization and hypervisor environments * Network and security architectures (segmentation, firewalls, secure connectivity) * Identity & Access Management (IAM) and directory services * Encryption, key management, PKI, and hardware security concepts * Backup, recovery, monitoring, and high-availability designs Technologies: Architect Cloud Embedded Hardware IAM Support Network Security TOGAF More: Our client is a long-established Swiss technology organization with a strong focus on sovereign, secure, and future-proof infrastructure solutions. For decades, the organization has been involved in mission-critical technology programs with long lifecycles, high availability requirements, and strict regulatory oversight. Projects typically span multiple years and combine engineering excellence, security-first thinking, and operational resilience. You will join a program environment where architecture matters, decisions are made deliberately, and quality is non-negotiable. last updated 4 week of 2026