Infrastructure Migration Architect Linux, Datacenter & Enterprise Network

🚀 We’re Hiring: Senior Infrastructure Migration Architect – Datacenter | Linux | Enterprise Networks Company: Hykmann Global Business Solutions AB Language: Fluent Swedish Role: Infrastructure Migration Architect Specialisation: Datacenter Migration | Linux | Enterprise Networking | Virtualization | Infrastructure Automation Seniority: Expert (Level 5) Experience: 25+ years Location: Stockholm, Sweden Work Model: Primarily on-site, limited remote work Start Date: 1 December 2026 End Date: 30 November 2028 About the Role Hykmann Global Business Solutions AB is looking for a highly experienced Infrastructure Migration Architect to design, lead and execute large-scale datacenter and infrastructure transformation projects. You will take ownership of the entire migration lifecycle, from architecture and planning to implementation, migration, cutover and stabilization. The role requires exceptional hands-on knowledge of Linux, enterprise networking, virtualization, automation, backup and infrastructure security. You will work in a complex and regulated IT environment where high availability, security, performance and regulatory compliance are essential. Key Responsibilities Design and lead large-scale datacenter migrations and infrastructure transformation initiatives. Develop migration architectures and implementation strategies for legacy-to-modern infrastructure transitions. Lead technical implementation, migration, cutover and post-migration stabilization. Manage migrations across Linux, virtualization, networking, storage and security platforms. Design and implement enterprise Linux infrastructure solutions. Coordinate networking, firewall, DNS, PKI and certificate management activities. Develop automation solutions for infrastructure deployment and configuration management. Ensure effective backup, recovery, monitoring and infrastructure security. Prepare technical architecture documentation, migration plans and operational procedures. Coordinate technical teams and resolve complex infrastructure challenges. Ensure compliance with applicable security and regulatory requirements. Required Skills & Experience Minimum 25 years of documented professional experience in complex datacenter infrastructure design, implementation and operations. Hands-on leadership and successful delivery of at least 5 major migration projects, each involving more than 100 servers or applications or equivalent complexity. Expert-level Linux experience, including: Red Hat Enterprise Linux (RHEL). Oracle Linux. Ubuntu. Debian. Rocky Linux. Strong enterprise networking expertise covering Cisco, Juniper and Brocade switching and routing, next-generation firewalls and load balancing. Practical experience with VMware vSphere/vSAN, Nutanix and Proxmox, including cross-platform migrations. Hands-on experience with PKI, certificate management, ACME automation, CSR, Windows CA and Zabbix monitoring. Strong DNS knowledge, including BIND on Linux and Active Directory DNS on Windows. Infrastructure automation experience using Puppet, Git/GitHub, Bash and Python. Experience with monitoring and logging platforms such as Graylog, Nagios, OP5, Icinga and Xymon. Strong backup and recovery expertise using Commvault and Veeam. Knowledge of firewall security, access controls, auditing, SPF, DKIM and DMARC. Understanding of infrastructure security and compliance in regulated environments. Fluent Swedish, with excellent technical documentation and communication skills. Meritorious Experience Previous experience working with government agencies or municipalities. Experience with hybrid Windows Server and Linux environments, including Active Directory, NLB and Microsoft SQL Server. Hands-on leadership of large-scale cutover and hypercare phases under tight timelines. Development of infrastructure automation tools and custom scripts. Extensive Git experience for version control of infrastructure configurations. Experience with complex infrastructure environments requiring stringent security and availability controls. What We’re Looking For We are looking for an exceptional infrastructure specialist with extensive experience in datacenter architecture and large-scale migrations. The ideal candidate must be equally comfortable designing architecture and executing complex technical implementations. You should have the confidence to lead critical migration activities, troubleshoot complex infrastructure challenges and ensure stable operations throughout migration and transition phases. Interested? Apply directly through our careers page: 🌐 https://www.hykmann.com/careers Hykmann Global Business Solutions AB 🌐 https://hykmann.com The recruitment process is managed by Hykmann Global Business Solutions AB. Please direct any questions regarding this opportunity to us. #Hiring #InfrastructureMigrationArchitect #DatacenterMigration #LinuxArchitect #LinuxEngineering #EnterpriseNetworking #VMware #Nutanix #Proxmox #Cisco #InfrastructureAutomation #Commvault #Veeam #CyberSecurity #ITInfrastructure #StockholmJobs #SwedenJobs #Hykmann