Senior Juniper Network Architect (m/f/d)

Overview

Job Summary

Architect

Key Responsibilities

• Expert level hands on with OSPF, BGP, VXLAN, EVPN-BGP, Switching on Juniper and Cisco platform
• Lead end-to-end DC, WAN migration strategy, design, and execution
• Define migration approach (staggered / parallel / big-bang)
• Validate DC, WAN design including topology, redundancy, routing policies, and failover mechanisms
• Expert level migration experience to migrate CRB to ERB DC Architecture.
• Plan and execute link activation, routing changes, and traffic cutovers
• preparing JSON/YAML scripts for Juniper migration, which requires strong experience in the same as well as in Apstra.
• Coordinate with:
• + ISPs (E&, Du, SITA, ARINC, etc.)
• + Internal network & infrastructure teams
• + Client, Juniper, DC providers
• Review and finalize:
• + Router configurations, IP schema, VLANs
• + Cabling and port mappings
• + Connectivity and routing design
• Conduct pre-migration readiness checks, testing, and failover simulations
• Provide L3 troubleshooting during and post cutover
• Drive risk assessment, mitigation, and rollback planning
• Support CAB approvals, governance, and change management
• Maintain WAN inventory, link matrix, and documentation
• Provide hands-on support during migration windows (after-hours if required)
• Prepare runbook for activations / migrations

Dc Networking & Wan

• Strong expertise in routing & switching (L2/L3)
• Hands-on experience with:

+ BGP, OSPF, VXLAN-EVPN, MPLS, VRF, QoS

Vendor Expertise

• Juniper: QFX, EX, SRX, MX series, including strong experience in preparing JSON/YAML, Python, Ansible, Jinga scripts for Juniper migration and Apstra.
• Strong hands-on in configuration, migration, and troubleshooting across both platforms

Additional Skills

• Understanding of optical links / DWDM (ADVA)
• Knowledge of firewalls, load balancers, and network security
• Familiarity with DC infrastructure and cabling standards
• Experience with network testing and monitoring tools

Preferred Experience

• Large-scale data center migration / WAN/DC transformation projects
• Experience in multi-vendor environments
• Strong exposure to telecom providers and circuit activation
• Familiarity with ITIL processes (Change, Incident, Problem Management)

Soft Skills

• Strong stakeholder management and communication
• Ability to work under tight timelines and high-pressure cutover windows
• Excellent problem-solving and decision-making skills
• Strong ownership and delivery mindset

• Juniper: JNCIP-DC And JNCIE-DC

• ITIL Foundation
• Halian Group: With over 28 years of experience, we have come to understand that innovation is the only way to provide agile, practical solutions that transform businesses and careers.
• Our resourcing and smart services help you to realize tomorrow’s potential.
• Discover the amazing things possible when you bring the right people and the right technologies together.
• At Halian, we recognize that diversity, equity, and inclusion (DEI) are essential to building high-performing teams for our clients.
• We are committed to connecting organizations with top talent from all backgrounds, ensuring that every individual feels valued, respected, and empowered to contribute their unique perspectives.
• We encourage applications from all qualified candidates, regardless of race, gender, disability, or any other characteristic that makes them unique.
• By fostering diverse and inclusive workplaces, we help our clients drive innovation, enhance collaboration, and better reflect the communities they serve.
• Senior Juniper Network Architect in Dubai, United Arab Emirates