NMK Global Inc. is a global IT Services & Solutions company specializing in IT Staffing, Technology Consulting, Workforce Solutions, and Application Development Services. We help organizations build high-performing technology teams by connecting them with exceptional talent across a wide range of industries. Our expertise, industry knowledge, and consultative approach enable clients to achieve successful business outcomes while helping professionals advance their careers.
Job Title: Senior Network Engineer – Cisco Enterprise Operations
Location: Dallas, TX – Onsite
Job Description:
We are seeking a highly experienced Senior Network Engineer with strong hands-on operational experience supporting large-scale Cisco enterprise environments.
The ideal candidate will have deep expertise in Cisco SDA, Catalyst Center (DNA Center), Cisco ISE, enterprise wireless, Cisco Nexus, VXLAN/EVPN, and Cisco Secure Firewall.
This role requires someone who can operate independently with minimal ramp-up time, troubleshoot complex production network issues, and confidently represent Network Services during P1 incidents and interactions with senior facility management.
Healthcare experience is a plus but not required. Experience supporting large, highly available, 24x7 enterprise environments is the key requirement.
Must-Have Technical Skills:
- Cisco Software-Defined Access (SDA)
- Cisco Catalyst Center / DNA Center
- Cisco Identity Services Engine (ISE)
- Cisco Catalyst 9800 Wireless Controllers
- Cisco Catalyst 9130/916x Access Points
- Enterprise wireless and high-density environments
- Cisco Nexus Data Center
- VXLAN/EVPN
- Nexus Dashboard Fabric Controller (NDFC)
- Cisco routing and switching
- Cisco Secure Firewall
- Azure connectivity / ExpressRoute
- ServiceNow change and incident management
Key Responsibilities:
- Provide operational support for large-scale Cisco enterprise networks.
- Troubleshoot and maintain Cisco SDA fabrics and Catalyst Center.
- Manage Cisco ISE authentication, authorization, profiling, and endpoint onboarding.
- Troubleshoot enterprise wireless issues, including RF optimization, roaming, and client performance.
- Support routing protocols including BGP, OSPF, and EIGRP.
- Troubleshoot and support data center networks using VXLAN/EVPN.
- Manage large-scale Cisco switching and routing environments.
- Support Cisco Secure Firewall technologies.
- Troubleshoot hybrid connectivity and Azure ExpressRoute.
- Participate in 24x7 operational support and on-call rotations.
- Respond to critical/P1 network incidents and perform root cause analysis.
- Follow ServiceNow workflows for incidents, changes, and operational activities.
- Collaborate with infrastructure, security, application, and facilities teams.
- Communicate effectively with technical teams and senior facility leadership during critical incidents.
NMK Global Inc. is an Equal Opportunity Employer. We are committed to creating an inclusive workplace and consider all qualified applicants without regard to age, race, color, religion, sex, national origin, disability, protected veteran status, sexual orientation, gender identity, or any other characteristic protected by applicable law.
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