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Senior Network Architect Network Solutioning & Design
Job Location:
Monthly Salary:
Posted:
29 September 2026 (3 days ago)
Posted:
Application Deadline:
27 December 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Role: Senior Network Architect (Network Solutioning & Design)
Role Designation: Principal Consultant
Location Amsterdam Frankfurt Germany London (Any EMEA location)
Role Summary
We are seeking a Senior Network Architect with deep hands-on expertise in end-to-end network solutioning across the modern enterprise stack Software-Defined LAN SD-WAN SASE application delivery (load balancing) DDI and Software-Defined Data Center LAN. The role owns the technical design and architecture of complex multi-vendor network solutions from concept through to detailed design and handover translating business and security requirements into resilient scalable and automatable architectures.
This is a senior individual-contributor / technical-authority role that blends solution design pre-sales/solutioning support standards definition and mentoring. You will be the go-to authority on network design decisions reference architectures and technology selection working closely with delivery teams security cloud customers and OEM partners. The role also increasingly requires fluency in AI both applying AI/AIOps to operate and optimize networks and designing networks that support AI/ML workloads.
Key Responsibilities
Must Have Technical SkillsHighly desirable (one or more expert-level):
About Infosys
Infosys is a global leader in next-generation digital services and consulting. We enable clients in 59 countries to navigate their digital transformation.
With over four decades of experience in managing the systems and workings of global enterprises we expertly steer clients in 59 countries as they navigate their digital transformation powered by cloud and AI. We enable them with an AI-first core empower the business with agile digital at scale and drive continuous improvement with always-on learning through the transfer of digital skills expertise and ideas from our innovation ecosystem. We are deeply committed to being a well-governed environmentally sustainable organization where diverse talent thrives in an inclusive workplace.
All aspects of 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
Role Designation: Principal Consultant
Location Amsterdam Frankfurt Germany London (Any EMEA location)
Role Summary
We are seeking a Senior Network Architect with deep hands-on expertise in end-to-end network solutioning across the modern enterprise stack Software-Defined LAN SD-WAN SASE application delivery (load balancing) DDI and Software-Defined Data Center LAN. The role owns the technical design and architecture of complex multi-vendor network solutions from concept through to detailed design and handover translating business and security requirements into resilient scalable and automatable architectures.
This is a senior individual-contributor / technical-authority role that blends solution design pre-sales/solutioning support standards definition and mentoring. You will be the go-to authority on network design decisions reference architectures and technology selection working closely with delivery teams security cloud customers and OEM partners. The role also increasingly requires fluency in AI both applying AI/AIOps to operate and optimize networks and designing networks that support AI/ML workloads.
Key Responsibilities
- Own the end-to-end architecture and solution design for enterprise network programs spanning campus/LAN WAN data center cloud and security-edge (SASE) domains.
- Produce High-Level Designs (HLD) Low-Level Designs (LLD) reference architectures and design standards including topology diagrams IP/routing schemes migration plans and bill of materials.
- Lead technology evaluations PoCs and OEM/vendor selection comparing solutions against functional commercial operational and security criteria.
- Support pre-sales and solutioning activities respond to RFPs/RFIs size and cost solutions present designs to customers and executives and defend design decisions in technical reviews.
- Define transformation and migration strategies for legacy-to-software-defined transitions (e.g. traditional WAN SD-WAN/SASE classic DC spine-leaf fabric campus SD-Access/fabric).
- Embed security-by-design micro-segmentation Zero Trust secure edge and integration with the broader security architecture.
- Drive network automation and Infrastructure-as-Code adoption across designs (templating ZTP CI/CD for network config).
- Establish design governance architecture review boards design patterns guardrails and documentation standards.
- Provide technical leadership and mentoring to network engineers and junior architects; act as design escalation point during delivery.
- Partner with cloud security applications and infrastructure teams to ensure the network architecture aligns with the wider enterprise architecture and roadmaps.
Must Have Technical Skills
Software-Defined LAN (Campus / SD-Access)
- Deep design experience with campus fabric / SD-Access architectures (e.g. Cisco SD-Access with Catalyst/DNA Center ISE; Aruba CX / Central / ESP fabric; Juniper Mist).
- Fabric technologies: VXLAN LISP EVPN fabric overlays/underlays group-based / policy-based segmentation.
- Wiredwireless convergence network access control (NAC/802.1X) and identity-driven segmentation.
SD-WAN
- Architecture and design across leading platforms Cisco Catalyst SD-WAN (Viptela) Versa VMware VeloCloud Fortinet Secure SD-WAN Palo Alto Prisma SD-WAN Aruba EdgeConnect (Silver Peak).
- Core concepts: overlay/underlay design transport independence application-aware routing dynamic path selection QoS ZTP controller/orchestrator architecture and hub-and-spoke vs. full-mesh topologies.
- WAN transformation and MPLS-to-internet/hybrid migration strategies.
SASE (Secure Access Service Edge)
- Design of converged network-and-security-edge architectures integrating SWG CASB ZTNA FWaaS and DLP.
- Hands-on solutioning with platforms such as Zscaler (ZIA/ZPA) Palo Alto Prisma Access Netskope Cisco Umbrella/Secure Access Cato Networks Fortinet FortiSASE.
- Zero Trust Network Access design remote/hybrid workforce connectivity and secure branch/direct-internet-access architectures.
Load Balancing / Application Delivery (ADC)
- Design and optimization with F5 BIG-IP (LTM GTM/DNS ASM APM) Citrix ADC (NetScaler) A10 VMware NSX Advanced Load Balancer (Avi) HAProxy/NGINX.
- GSLB SSL/TLS offload health monitoring persistence WAF integration and application high-availability design.
- Cloud-native load balancing (AWS ALB/NLB Azure Load Balancer/Application Gateway GCP LB).
DDI (DNS DHCP IPAM)
- Enterprise DDI architecture and consolidation using Infoblox BlueCat EfficientIP (or equivalent).
Software-Defined Data Center LAN
- Spine-leaf fabric design with Cisco ACI (APIC) VMware NSX-T/NSX Arista (CloudVision EVPN/VXLAN) Juniper (Apstra QFX EVPN-VXLAN).
- Data center overlay/underlay VXLAN-EVPN micro-segmentation multi-site/multi-pod and DC interconnect (DCI).
IT/OT networks
- Experience bridging enterprise IT and operational technology (OT) environments designing converged segmented and secure architectures for industrial and mission-critical networks.
Cross-Cutting Foundations
- Expert-level routing and switching: BGP OSPF IS-IS EIGRP MPLS multicast QoS and high-availability/first-hop redundancy.
- Cloud networking across AWS / Azure / GCP VPC/VNet design Transit Gateway/vWAN Direct Connect/ExpressRoute hybrid connectivity and cloud-to-DC integration.
- Network automation & IaC Python Ansible Terraform REST APIs source control (Git) and CI/CD for network operations; source-of-truth tooling (e.g. NetBox).
- Observability & assurance ServiceNOW Remedy Jira Splunk ThousandEyes network performance monitoring telemetry/streaming telemetry and AIOps concepts.
- Security architecture integration next-gen firewalls segmentation Zero Trust principles and secure design patterns.
- Strong grasp of resiliency capacity performance and DR design principles.
AI-Driven Network Operations & Assurance (AIOps)
- Design and adoption of AIOps / AI-driven assurance platforms e.g. Cisco AI Network Analytics (Catalyst/DNA Center) Juniper Mist AI (Marvis) Aruba Central AIOps for anomaly detection predictive analytics and automated root-cause analysis.
- Applying ML-driven insights to capacity planning performance optimization and proactive fault prediction.
Industry Certification
- Cisco: CCIE / CCNP Cisco Certified Specialist SD-WAN ACI
- Juniper: JNCIE / JNCIP; Aruba: ACMX / ACDX
- SASE / Security-edge: Zscaler (ZDTA/ZCCP) Palo Alto PCNSE / Prisma certifications Netskope (NCCSA/NCCSP) Fortinet NSE 47
Qualifications & Experience
- Experience in a network architecture / design / solutioning capacity.
- Demonstrated track record of designing and delivering large multi-vendor multi-domain network solutions end to end.
- Proven experience leading network transformation / modernization programs (e.g. SD-WAN SASE or DC fabric migrations).
- Hands-on experience in converged IT/OT environments (e.g. manufacturing utilities energy oil & gas transportation or similar) is strongly preferred.
About Infosys
Infosys is a global leader in next-generation digital services and consulting. We enable clients in 59 countries to navigate their digital transformation.
With over four decades of experience in managing the systems and workings of global enterprises we expertly steer clients in 59 countries as they navigate their digital transformation powered by cloud and AI. We enable them with an AI-first core empower the business with agile digital at scale and drive continuous improvement with always-on learning through the transfer of digital skills expertise and ideas from our innovation ecosystem. We are deeply committed to being a well-governed environmentally sustainable organization where diverse talent thrives in an inclusive workplace.
All aspects of 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
Required Experience:
Senior IC
About Company
Welcome to Infosys Careers for Experienced Professionals As a leading provider of next-generation consulting, technology and outsourcing solutions, we are dedicated to helping organizations in over 46 countries to renew their core and simultaneously innovate into new frontiers. Whilst ... View more
