Senior Network Engineer

Job Summary

You will be working with our client who are well renowned in the public and financial sector. Seeking a highly skilled Senior Network Consultant / Engineer with deep expertise in Cisco Application Centric Infrastructure (ACI). This is a technical, hands-on role within the Network Engineering team. You will be part of a team that is responsible for the Network Engineering & Deployment function and supporting Datacenter, Campus, Remote Offices and Public Cloud Network transformation projects

Responsibilities

• Lead the design, engineering, and execution of next-generation network transformation solutions.
• Collaborate with internal teams, including cloud, security, and application stakeholders, to align network infrastructure with business needs.
• Provide technical leadership in building highly resilient, scalable, and secure hybrid/multicloud network environments.
• Architect and deploy advanced Cisco ACI infrastructure across datacenters.
• Integrate ACI with hybrid cloud and multicloud environments to ensure seamless connectivity and performance.
• Manage day-to-day operations, monitoring, and troubleshooting of ACI fabric components.
• Collaborate with vendors, Cisco TAC, and internal teams to resolve complex network incidents and escalations.
• Develop and implement policy-driven network architectures using Cisco ACI's capabilities.
• Utilize automation tools (e.g., Ansible, Python) to streamline network operations and ensure efficiency.
• Ensure network policies align with industry best practices and compliance requirements.
• Maintain accurate network diagrams, policy documentation, and technical procedures.
• Ensure all infrastructure and operations meet internal governance and security standards.
• Provide SME-level guidance to internal teams and mentor junior network engineers.
• Lead knowledge transfer sessions to enhance team capabilities in ACI and related technologies.

Requirements

• Bachelor's Degree in Information Technology, Computer Science or equivalent
• 10-15 years of experience in Cisco Network technologies, with at least 3 years focused on Cisco ACI.
• Cisco certifications: CCIE Datacenter, Enterprise , CCNP Data Center ACI specialization preferred.
• Deep knowledge of Cisco ACI components and concepts
• Fabric Architecture: Spine-Leaf topology, Fabric Discovery, and Fabric Access Policies.
• Application Policy Infrastructure Controller (APIC): Clustering, APIs (REST, XML, JSON), and GUI management.
• Endpoint Groups (EPGs), Contracts, and Filters: Policy-based connectivity and segmentation.
• Tenant Model: VRFs, Bridge Domains, and Layer 2/3 connectivity across multiple tenants.
• ACI Multi-Site and Multi-Pod deployments.
• Integration with L4-L7 services (e.g., firewalls, load balancers) using Service Graphs.
• Expertise in ACI troubleshooting: Health Scores, Service Graphs, and CLI/APIC diagnostics.
• Experience with Cisco Nexus Dashboard Insight for monitoring and managing ACI environments effectively.
• VXLAN Fabric Architecture: Understanding of VXLAN encapsulation for scalable Layer 2 and Layer 3 networks.
• MP-BGP EVPN (Ethernet VPN): Control plane for VXLAN, providing seamless Layer 2 extension and optimized Layer 3 routing.
• Interoperability between ACI and non-ACI environments using VXLAN/EVPN.
• In-depth knowledge of BGP (Border Gateway Protocol) for managing external and internal routing policies.
• Experience with BGP peering, route filtering, and path selection in complex ACI and datacenter environments.
• Expertise in OSPF (Open Shortest Path First) for building dynamic Layer 3 routing in underlay networks.
• Integration of BGP and OSPF within ACI fabric to manage hybrid cloud and multi-pod deployments.
• Solution-level understanding of Cisco ACI interoperability with: Firewalls (e.g., Palo Alto, Checkpoint , Fortinet), Load Balancers (e.g., F5 GTM, LTM, ASM), Micro-Segmentation solutions and policy enforcement, IPAM, DNS, and DHCP systems.
• Added advantage for candidates with hands-on experience integrating ACI with these solutions, though a willingness to learn and adapt to new technologies is acceptable.
• Experience with Ansible, Python scripting, and ACI REST APIs for automation.
• Knowledge of ACI App Center integrations and customization of ACI apps.
• Experience with integrating ACI with multicloud environments (AWS, Azure, GCP).
• Excellent analytical, problem-solving, and decision-making skills.
• Strong communication and collaboration skills, with the ability to engage with stakeholders across departments.
• Self-motivated with a continuous learning mindset and ability to work under pressure.

If you are interested in this role and would like to discuss the opportunity further please click apply now or email Chew Kai-Xinn at [email protected] for more information.

Only shortlisted candidates will be responded to, therefore if you do not receive a reply within 14 days please accept this as notification that you have not been shortlisted.

Morgan McKinley Pte Ltd

Chew Kai-Xinn

EA Licence No: 11C5502

EAP Registration No: R2196712