Lead Consultant - Cisco ACI Architect - Brussels, Belgium

• 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

• 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

Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem. All aspects of the hiring process and employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer Interest Group Infosys Limited Job Role, ITL Belgium