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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Consultant - Cisco ACI Architect - Brussels, Belgium - **Company:** Infosys - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Business Analytics Applications, Border Gateway Protocol, Common Lisp Object Systems, Continuous Integration, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Intrusion Detection Systems, OSI Models, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Cisco Nexus Switches, Open Shortest Path First (OSPF), Public Key Infrastructure, Ansible, Security Information and Event Management, Software Deployment, TCP/IP, SSL Certificate Management, Transport Layer Security, Enterprise Software Applications, Load Balancing, Cloud Platform System, System Availability, Software Security, Firewalls (Computer Science), Data Center Networking, Kubernetes, BIG-IP Advanced Firewall Manager (AFM), Restful APIs, Terraform, Big Ip, Vmware - **Published:** August 15, 2026 - **Apply:** https://www.careerjet.be/jobad/be49061c40d1766947718df9f8e3cf2130 ## About the Role * 15+ years in enterprise networking with strong data center transformation, ACI, F5 BIG-IP and data center architectures expertise, * Own and lead the end-to-end architecture, design, and transformation of data center networks using Cisco ACI, transformation of application delivery and security platforms using F5 BIG-IP, driving standardization, automation, and alignment with enterprise and business outcomes., Networking & DC Technologies * Strong knowledge of: * BGP, OSPF, EVPN * Data center design (Leaf-Spine, Clos architecture) * TCP/IP, DNS, DHCP * Experience with DC networking including load balancers, segmentation Automation & Tooling * Python / Ansible / Terraform * REST APIs, ACI programmability * Monitoring and analytics platforms Certifications * CCNP / CCIE (Enterprise or Data Center) - Preferred * Cisco ACI Specialist Certification - Strong plus Key Deliverables / Outcomes * Enterprise ACI architecture blueprint * HLD / LLD and design standards * Successful DC transformation / ACI rollout * Automated network provisioning framework * Stable, scalable, and secure DC infrastructure ## Description * Define ACI-based data center architecture strategy aligned to enterprise roadmap * Lead greenfield / brownfield DC transformation initiatives (VXLAN EVPN * ACI) * Establish design principles, standards, and reusable architecture patterns * Drive adoption of policy-driven networking and intent-based networking models * Define enterprise application delivery strategy using F5 BIG-IP (LTM, GTM/DNS, WAF, APM) * Drive data center modernization with L4-L7 service insertion models * Establish reference architectures for load balancing, SSL offload, and application security * Own and approve: * HLD / LLD for ACI deployments * Multi-site / multi-pod architectures * Integration with hybrid/cloud environments * Conduct architecture reviews, design authority governance, and approvals * Ensure compliance with enterprise architecture standards * Lead end-to-end delivery from requirement gathering * design * implementation * migration * hypercare * Drive adherence to SLAs, timelines, and quality outcomes * Architect and oversee: * ACI Fabric (Leaf-Spine, APIC clusters) * Tenant/VRF/BD/EPG design and segmentation strategy * L3Out, external connectivity, and DC interconnects * F5 BIG-IP (LTM, GTM/DNS, ASM/WAF, APM, AFM) * SSL offloading, TLS lifecycle, and certificate management * Load balancing (L4/L7), persistence, health monitoring * Integrate ACI with: * Firewalls, load balancers, and security ecosystems * VMware / Kubernetes platforms * Legacy DC environments * Define and implement: * iRules, iApps, AS3/DO for automation * High availability and failover strategies * Integrate F5 with: * Data center fabrics (EVPN/VXLAN) * Firewalls, IDS/IPS, SIEM/SOAR * Identity systems (AD/LDAP) and PKI * Define automation strategy using: * Ansible, Python, REST APIs (F5 programmability) * Define and drive automation strategy using APIs, Ansible, Terraform * Implement infrastructure-as-code (IaC) for ACI provisioning * Lead innovation initiatives (self-service networking, CI/CD integration) * Drive operational efficiency and cost optimization Stakeholder & Client Engagement * Lead client workshops, architecture discussions, and technical strategy sessions * Translate business requirements into scalable ACI solutions * Provide executive-level updates and solution positioning Required Technical Skills Core ACI Expertise * Deep expertise in: * Cisco ACI (APIC, Leaf-Spine fabric) * Tenants, VRFs, Bridge Domains, EPGs, Contracts * Service graphs, policy models * Hands-on experience with: * Multi-Pod / Multi-Site ACI * L3Out, integration with external networks * VXLAN-based DC architectures ## Related Videos - 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