Technical Infrastructure

h3Job Description /h3 pJoining KEYES means giving purpose to your talent. Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At /p pJoining KEYES means giving purpose to your talent. Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values. Do you want to continue your career and grow within one of Belgium’s leading IT companies? Join KEYES as a Technical Infrastructure Network Architect KEYES supports private and public organizations in Belgium and across Europe in their digital transformation by combining business expertise, technological mastery, and a long-term vision. We support large enterprises, the public sector, healthcare organizations, and SMEs in all their digital challenges: Infrastructure Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data AI Solutions, Advisory Solutions, and Staffing Solutions. More information: /p h3YOUR MISSION /h3 pProvide technical architecture leadership across infrastructure, network, cloud and hybrid environments, supporting transformation, modernization and operational initiatives across multiple projects and sites, including industrial/OT environments. /p pThe role is to define coherent, secure, resilient and operable technical architectures and support their delivery from design through implementation and transition to operations. /p pThe architect must be able to reason beyond individual infrastructure components and understand the broader architecture context: applications, data flows, trust zones, integration mechanisms, cloud connectivity, security and operational constraints. /p h3Positioning within the Architecture Organization /h3 pThe Technical Infrastructure Network Architect works closely with Enterprise, Solution, Application, Data, Cloud and Security Architects, as well as Infrastructure, Network, DevOps and project teams. /p pThe role is accountable for the technical infrastructure architecture required to host, connect, secure, operate and recover solutions, including network, compute, storage, backup, cloud/hybrid infrastructure, container foundations and observability. /p pEnd-to-end architecture is developed jointly. The architect must actively contribute to cross-domain architecture decisions and challenge proposed solutions when required. /p pNetwork and infrastructure architecture are considered part of the overall solution architecture, not isolated technical domains. /p h3Key Responsibilities /h3 ul liTranslate business, application and solution requirements into technical architecture requirements covering hosting, connectivity, performance, availability, security, resilience, backup/recovery, monitoring and supportability. /li liDefine target and reference architectures, reusable standards and technical patterns across sites. /li liProduce HLDs and architecture documentation, and review LLDs and detailed technical designs. /li liAnalyse impacts, dependencies, risks, architecture gaps, single points of failure and operational constraints. /li liChallenge solutions proposed by projects, suppliers and engineering teams and assess alternative options. /li liDocument key architecture decisions through Architecture Decision Records (ADRs). /li liAssess deviations from architecture and technical standards and support the relevant governance and approval processes. /li liDefine Build-to-Run requirements and support production readiness, operational handover and knowledge transfer. /li /ul h3Architecture practices /h3 pThe architect must be comfortable with structured architecture practices, including: /p ul liArchiMate /li liTOGAF or equivalent architecture methodology /li liArchitecture principles and standards /li liArchitecture Decision Records /li liTarget-state architecture /li liImpact and dependency analysis /li liArchitecture governance /li /ul h3Technical scope /h3 h3Infrastructure Network /h3 h3Strong Expertise In /h3 ul liLAN/WAN, routing, switching, VLANs and subnets /li liNetwork segmentation, firewalls, DMZs and security zoning /li liWi-Fi and site/datacenter connectivity /li liCompute and virtualization /li liWindows/Linux infrastructure foundations /li liStorage, backup and recovery /li liHigh availability and disaster recovery /li liHybrid infrastructure and resilience /li /ul h3Cloud Hybrid /h3 h3Good Working Knowledge Of AWS Architecture And Networking, Including /h3 ul liVPC, subnets and route tables /li liInternet / NAT Gateway /li liTransit Gateway and VPC Peering /li liPrivateLink /li liSecurity Groups and Network ACLs /li liRoute 53 /li liAWS Direct Connect /li /ul h3API Integration /h3 pSufficient understanding of modern integration patterns to assess their infrastructure, network and security implications, including: /p ul liREST API