Enterprise Network Architect – Infrastructure
3 days ago
Role Summary
We are seeking an experienced Enterprise Network Architect to design and oversee the implementation of a secure, scalable, and regionally integrated network infrastructure across MGS offices. The candidate will lead architecture for LAN/WAN, SD-WAN, wireless, routing, switching, network access control, and DDI (DNS, DHCP, IPAM) solutions. This is a strategic role that combines deep technical expertise with hands-on design ownership.
Key Responsibilities
1. Network Architecture & Design
- Architect and document enterprise LAN/WAN infrastructure including:
• Core and access switching (Cisco C9300/C9200)
• WAN edge routing (Cisco C8300/C8200)
• Layer 2/3 topology, VLANs, and IP segmentation
- Design and implement SD-WAN architecture with multi-region integration (Americas, EMEA, APAC)
- Define HA, redundancy, and failover strategies across routing, switching, and WAN links
2. Wireless and Access Infrastructure
- Design and standardize Wi-Fi networks (Cisco Catalyst 9100, 9800 WLC)
- Integrate identity-based VLAN assignment using Cisco ISE/NPS with 802.1X/EAP-TLS
- Optimize wireless coverage, RF planning, and dynamic AP load balancing
3. DDI (DNS, DHCP, IPAM)
- Architect and deploy Infoblox DDI solution (Grid Master/Members, HA)
- Integrate DHCP and DNS services with IPAM, ISE, and Active Directory
- Define IP address management schema, subnet design, and discovery policies
4. Security & Policy Integration
- Collaborate with security teams on firewall integration and policy routing
- Implement secure dynamic VLANs and posture-based access via Cisco ISE
- Define network zoning, segmentation, and east-west traffic controls
5. Documentation & Standards
- Produce high-quality HLDs, LLDs, implementation plans, and As-Built documentation
- Establish configuration standards, naming conventions, and operational runbooks
Required Qualifications
- 15+ years of experience in enterprise network engineering/architecture
- Deep hands-on expertise with:
• Cisco enterprise routing and switching (Catalyst 9K series, IOS-XE)
• Cisco WLCs (9800 series) and Wi-Fi 6 access points
• Cisco ISE or Microsoft NPS for identity-based access
• Infoblox or similar solution for DNS/DHCP/IPAM
• BGP, OSPF, HSRP, VRRP, and Policy-Based Routing
- Proven experience in designing multi-site, multi-region enterprise networks
- Strong understanding of 802.1X, EAP-TLS, RADIUS, and certificate-based authentication
- Experience with SD-WAN solutions (Cisco SD-WAN /Meraki/ Viptela preferred)
Preferred Certifications
- CCNP Enterprise or CCIE (Routing & Switching / Enterprise Infrastructure)
- Infoblox Core DDI Certified (CDCA / CDIA) – preferred
- Cisco Certified Specialist – Enterprise Wireless Design
- Microsoft or Cisco security certifications a plus
Soft Skills & Leadership
- Strong documentation and presentation skills
- Ability to lead design workshops and interface with global stakeholders
- Proactive, structured, and capable of driving complex technical decisions
Employment Type
Full-time
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