Networking Resident Engineer

Millennium Technology Services; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Millennium Technology Services seeks a seasoned Customer Experience Resident Engineer to serve as the trusted Cisco expert within a key customer environment. You will plan, design, implement, optimize, and support Cisco network infrastructure, blending solution architecture foresight with hands-on execution.

Responsibilities include architecture reviews, on-site leadership, troubleshooting RCA, and proactive optimization using analytics.

Qualifications

• 10+ years designing and supporting large enterprise or service provider networks using Cisco technologies.
• Expertise in Cisco Enterprise Routing & Switching, Data Center Networking, and Security domains.
• Strong RCA troubleshooting and network performance tuning experience.
• Excellent communication and ability to explain complex concepts to diverse audiences.
• Willingness to work onsite full-time at a customer location.
• CCIE Certification (Enterprise Infrastructure, Data Center) preferred.

Responsibilities

• Lead architecture reviews and design validation against validated designs and business requirements.
• Deliver onsite technical leadership, lab testing, and low-risk change implementation.
• Provide advanced technical assistance and RCA support for complex network issues.
• Proactively identify optimization opportunities using analytics and insights.
• Maintain strong customer relationships as the primary technical advocate within Cisco.

Skills

Cisco networking

Enterprise Routing & Switching

Data Center Networking

Security

RCA troubleshooting

Network change management

Communication skills

Onsite work

CCIE Certification

Python/Ansible scripting

CX portfolio knowledge

Network automation tools

ITIL knowledge

Job description

Become the trusted technical advisor and Cisco expert embedded within a key customer environment. As a Customer Experience Resident Engineer, you will play a critical role in a Cisco CX-Lead End-to-End Support Model, acting as the primary technical resource responsible for the planning, design, implementation, optimization, and ongoing support of the customer’s Cisco network infrastructure. You will combine the strategic foresight of a Solution Architect with the hands‑on execution of a Network Consulting Engineer, ensuring the network’s stability, performance, and alignment with the customer’s evolving businessobjectives.

LeadTechnical Planning & Design:

Conduct comprehensive architecture and design reviews, ensuring solutions align with Ciscovalidateddesigns, architectural best practices, and the customer’s specific business requirements. Translate complex needs into actionable technical strategies and roadmaps,establishingand upholding design integrity frominitialplanning through implementation and operation. Drive Implementation & Change Execution: Deliver advanced onsite technical support and leadership. Lead change planning, support rigorous lab testing tovalidateproposed changes, and ensure the seamless, low-risk implementation of network updates and projects. Provide Technical Support & Troubleshooting: Provide advanced technicalassistanceby gathering comprehensive case details, contribute to in-depth root cause analysis (RCA) and helpfacilitate the resolution of complex network issues, always providing critical contextregardingarchitectural and design impacts. Lead Network Optimization & Proactive Management: Leverage digital insights, advanced analytics, and your deep technical knowledge to proactivelyidentifyopportunities for network optimization. Implement incident-driven updates and lead initiatives to enhance performance, reliability, and security, ensuring the network is future-ready. Foster Strong Customer Relationships: Build andmaintainstrong working relationships with key customer stakeholders, acting as their primary technical advocate within Cisco.

Collaborate Across Cisco Teams: Work closely with the Cisco Account Team, TAC, and other CX specialists to delivera unifiedand exceptional customer experience, ensuring clear communication and coordinated efforts per the defined support model.

Minimum Qualifications:

• 10+ years of experience in designing, implementing, and supporting complex enterprise or service provider network environments using Cisco technologies.
• Demonstratedexpertisein several of the following Cisco technology domains: Enterprise Routing & Switching (Catalyst Series, Catalyst Center, SD-WAN), Data Center Networking (Nexus, ACI), Security (ISE).
• Proven experience with network architecture, design principles, and best practices.
• Strong hands‑on troubleshooting (RCA) and network performance tuning skills.
• Experience with network change management processes and validation testing.
• Excellent communication, presentation, and interpersonal skills, with the ability to explain complex technical concepts to diverse audiences.
• Ability to work independently onsite at a customer location full‑time.
• Relevant Cisco Certifications Desired Skills:
• CCIE Certification (Enterprise Infrastructure, Data Center)is highlypreferred.
• Experience working in a Solutions Architect or Network Consulting Engineer role.
• Experience with network automation tools and scripting (e.g., Python, Ansible).
• Knowledge of Cisco CX portfolio, tools, and methodologies.
• Experienceleveragingnetwork management tools, analytics platforms, and digital insights for proactive optimization.
• Understanding ofITIL processes (Incident, Problem, Change Management).