Network Infrastructure Expert

About Us

Join us at Orange Business!

We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.

Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.

About The Role

Architecture & High-Level Design

• Define end-to-end enterprise campus architecture using Cisco SD-Access
• Design SDA fabric including:
  
  

Fabric sites, domains, and multi-site architecture

Control plane, border, edge, and intermediate nodes

• Design Virtual Networks (VN), IP addressing strategy, and SGT-based segmentation
• Define underlay and overlay architecture (LISP, VXLAN, Anycast Gateway)
• Design high availability (HA) and scalability for large campus environments
  
  

Low-Level Design (LLD) & Planning

• Create detailed HLD and LLD documents
• Develop migration strategies:
  
  

Brownfield to SDA

Phased or hybrid deployments

• Capacity planning for switches, wireless, DNAC, and ISE
• Define software versioning, image strategy, and upgrade plans
  
  

Cisco DNA Center (DNAC) Advanced

• Architect and deploy DNAC clusters (single / multi-node)
• Define DNAC:
  
  

Assurance strategy

Automation workflows

API integrations

• Plan and execute DNAC upgrades and lifecycle management
• Use DNAC Assurance insights to validate design outcomes
  
  

Security & Policy Architecture

• Design and integrate Cisco ISE with SD-Access
• Architect:
  
  

TrustSec / SGT policy models

Guest, BYOD, and posture-based access

• Define macro and micro-segmentation strategies
• Align SDA security design with enterprise security frameworks
  
  

Wireless Design (Enterprise Campus)

• Design Cisco enterprise wireless architecture
• Plan:
  
  

WLAN models

RF design principles

High-density and location-based services

• Integrate wireless into SDA fabric via DNAC
  
  

Automation & Programmability

• Design automation using:
  
  

DNAC templates

REST APIs

Python scripting (advanced)

• Enable Infrastructure as Code (IaC) concepts for campus networks
• Integrate SDA with external platforms (ITSM, monitoring, AIOps)
  
  

Documentation & Knowledge Transfer

• Produce:
  
  

Architecture blueprints

Design standards and best practices

Deployment and migration runbooks

• Conduct training sessions and handover to operations teams
• Define operational readiness and acceptance criteria
  
  

About You

Cisco Certified Specialist Enterprise SD-Access Implementation- Preferred

CCNP Enterprise or CCIE (Enterprise Infrastructure/Security) ITIL certification would be an advantage 10+ years of enterprise networking experience. 5+ years in Cisco SDA / DNAC design & deployment.

Core Networking Expertise

• Expert-level understanding of:
  
  

Campus LAN design

Routing protocols (OSPF, BGP, EIGRP)

Multicast design

• Deep knowledge of redundancy and HA models
• Cisco SD-Access & DNAC (Expert Level)
• Proven experience designing and deploying:
  
  

Multi-site SDA fabrics

Large-scale enterprise campus networks

• Strong command of:
  
  

LISP, VXLAN, Anycast Gateway

Fabric edge/border/control-plane behaviour

• Advanced DNA Centre design and operations experience
  
  

Cisco ISE (Design Level)

• End-to-end ISE design experience
• SGT policy architecture and enforcement models
• Integration with third-party security platforms (preferred)
  
  

Wireless (Design Level)

• Enterprise wireless design and troubleshooting
• High-density, roaming, and QoS design
• SDA wireless fabric enablement
  
  

Tools & Platforms

• Cisco Catalyst Center (DNAC)
• Cisco ISE
• Cisco Catalyst 9000 series
• Cisco Wireless (9800 WLC)
• Automation tools (Python, REST APIs)
• ITSM & monitoring platforms
  
  

Using DNAC APIs or Ansible/Python scripts to:

• Automate SGT assignment, VRF creation, and policy deployment.
  
  

Audit current segmentation posture and identify unused or conflicting policies.

Add-Ons

• Cloud campus integration (AWS / Azure edge connectivity)
• Zero Trust campus design alignment
• Multi-vendor coexistence (Aruba / Juniper in transition environments)
  
  

You bring passion, energy, taste for exploration and adaptability. You seek the opportunity to expand your knowledge and develop new skills.

What We Offer

• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.
• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).
• Professional Development: training programs and upskilling/re-skilling opportunities.
• Career Growth: Internal growth and mobility opportunities within Orange.
• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.
• Reward Programs: Employee Referral Program, Change Maker Awards.
  
  

Only Your Skills Matter

Regardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neuroatypia, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs.