Available for C2C contracts
Senior Network Engineer
- Base
- Dallas-Fort Worth, TX
- Cert
- CCNP Enterprise
- Uptime
- 99.9% at Torc Robotics
Seven years building and securing enterprise networks where downtime is not an acceptable outcome.
About Emeka Nwangwu
Emeka Nwangwu is a Senior Network Engineer based in the Dallas-Fort Worth metro with deep expertise in Cisco (IOS XR, Catalyst, Nexus), Palo Alto firewalls, BGP routing, and AWS Direct Connect. He has built and secured mission-critical networks for autonomous vehicle platforms, supported 1,000+ engineers, and maintained 99.9% uptime on infrastructure where failure isn't an option.
Emeka works C2C through his LLC and brings both the technical depth and the communication skills to operate independently from day one.
Track record
- 7+
- Years network engineering
- 1,000+
- Engineers supported
- 99.9%
- Uptime held at Torc Robotics
- 162
- SIEM sources integrated
What I do
Six areas where I take ownership end to end, from design through cutover and documentation.
- 01
Enterprise Routing & Switching
BGP, OSPF, EIGRP across Cisco Catalyst, Nexus, and IOS-XR platforms
- 02
Firewall & Security Architecture
Palo Alto NGFW, VPN design, Zero Trust policy implementation
- 03
Cloud Network Integration
AWS Direct Connect, Azure networking, hybrid connectivity
- 04
Network Automation
Python scripting, Ansible, config validation tooling
- 05
SIEM & Security Monitoring
Multi-source integration, threat detection, incident response
- 06
Infrastructure Consulting
Architecture reviews, migration planning, technical documentation
Experience
Mar 2026 – Present
Fort Worth, TX
Senior Network Engineer
/ J&M ConsultingContract / World Wide Technology (WWT)
Contracted through J&M Consulting to WWT, leading Cisco platform migrations for regulated financial services clients where downtime and compliance gaps aren't options.
- ›Executed 15 successful Cisco platform migrations within the first two weeks of engagement, retiring end-of-life infrastructure for financial services clients and eliminating unpatched CVE exposure tied to PCI-DSS, SOX, and FFIEC compliance obligations
- ›Support 14 concurrent enterprise financial services customers through Cisco Catalyst 8200s delivering pre-cutover validation, change management documentation, and rollback-ready implementation plans for regulated production environments
- ›Partner with customer network, security, and compliance teams to sequence zero-downtime cutovers, protecting core banking, trading, and customer-facing services during approved maintenance windows
Jan 2025 – Mar 2026
Fort Worth, TX
Network Engineer
/ Torc RoboticsTorc builds autonomous trucks. Network failures aren't an option, not during testing or investor ride-alongs on public roads.
- ›Delivered 1,250% ROI on an $8K bandwidth upgrade, cutting test data download times by 93% and enabling a 40% increase in daily autonomous testing runs
- ›Maintained 99.9% uptime for 1,000+ engineers, under 3 hours of annual downtime managing Palo Alto firewalls, Cisco XR/Catalyst, and 50+ VPN tunnels
- ›Integrated 162 unique SIEM data sources, 35% above the 120-source industry benchmark
- ›Achieved zero network failures across two high-stakes autonomous truck ride-along events on public roads
- ›Reduced VPN connectivity issues by 75% through network segmentation, supporting zero safety-related incidents across 200+ miles of daily testing
“Thank you for helping me with this issue and walking me through troubleshooting steps. You rock!”
A testing engineer was experiencing intermittent connectivity on their laptop, blocking access to their assigned test machine. Emeka identified the root cause as a local connectivity checking misconfiguration, walked them through the fix, and confirmed no further issues were reported.
Nov 2023 – Jan 2025
Richardson, TX
Escalation Engineer
/ Cisco SystemsStepped up from frontline TAC to lead a team of 30 engineers handling cases that couldn't be solved at the first tier.
- ›Led daily case reviews and mentored 30 engineers on advanced troubleshooting across Cisco UCS, Intersight, and enterprise firewall environments
- ›Built Python scripts automating log analysis for complex UCS support cases, saving an estimated 15–30 minutes per case review, deployed globally across Cisco's TAC organization
- ›Maintained SLAs for mission-critical systems through 24/7 on-call rotations
Jan 2021 – Nov 2023
Richardson, TX
Technical Consulting Engineer
/ Cisco SystemsFrontline TAC engineer supporting enterprise customers on Cisco's most complex switching, routing, and data center platforms.
- ›Consistently managed a live case load of 30 simultaneous customer engagements while maintaining high customer satisfaction scores
- ›Resolved complex issues across VLANs, STP, load balancing, DHCP, and DNS, regularly using Wireshark and packet capture for deep-dive analysis
- ›Earned consistent positive survey feedback for clear communication, technical accuracy, and follow-through under pressure
“Emeka was positively great. Knew what the issue was right away and walked us through a simple fix.”
“After helping resolve one server issue that had gone on for weeks, you joined a call on very short notice with less than an hour's notice. Your support will help close upcoming deals.”
Credentials& stack
Reference
Quick facts& answers
- Role
- Senior Network Engineer and independent network consultant
- Certifications
- Cisco CCNP Enterprise Core (ENCOR), CCNA Routing & Switching
- Experience
- 7+ years, including Cisco TAC escalation engineering and Torc Robotics
- Location
- Dallas-Fort Worth, Texas. Remote across the US, on-site in DFW
- Engagement
- Corp-to-Corp (C2C) contracts through his own LLC
- Core stack
- Cisco IOS-XR, Catalyst, Nexus, Palo Alto NGFW, BGP, OSPF, AWS Direct Connect, Python, Ansible
- Contact
- emeka.w.nwangwu@gmail.com
Who is Emeka Nwangwu?
Emeka Nwangwu is a Senior Network Engineer based in the Dallas-Fort Worth metro with 7+ years of experience across enterprise and vendor-side environments, including escalation-level support inside Cisco TAC. He designs, secures, and operates production networks built on Cisco, Palo Alto, BGP, and AWS Direct Connect, and contracts Corp-to-Corp through his own LLC.
What certifications does Emeka Nwangwu hold?
He holds the Cisco CCNP Enterprise Core (ENCOR) certification and CCNA Routing & Switching, backed by 7+ years of hands-on enterprise and vendor-side network engineering.
Is Emeka Nwangwu available for contract work?
Yes. He takes Corp-to-Corp (C2C) contracts through his own LLC for senior network engineer, network consultant, and network architect roles. Availability depends on current commitments, so email a target start date for a direct answer.
Where is Emeka Nwangwu based, and does he work remotely?
He is based in the Dallas-Fort Worth metro in Texas. Design, automation, assessment, and most implementation work is delivered remotely across the United States, with on-site availability in DFW for physical installs, data center work, and cutovers.
What technologies does Emeka Nwangwu specialize in?
Cisco IOS-XR, Catalyst, and Nexus platforms, Palo Alto next-generation firewalls, BGP, OSPF, and EIGRP routing, AWS Direct Connect and Azure connectivity, SIEM and network monitoring, plus automation with Python and Ansible.
How do you contact Emeka Nwangwu?
Email emeka.w.nwangwu@gmail.com directly. He replies with whether the engagement is a fit and how he would approach it. He is also reachable on LinkedIn and on X as @AlmightyMek.
Status: open
Available for C2C contracts, remote, hybrid, or on-site in DFW.
I contract Corp-to-Corp through my LLC and can onboard quickly, without a staffing agency in the middle.
Roles targeted
- ›Senior Network Engineer
- ›Network Architect
- ›Security Network Engineer
Contact
Tell me what the network needs to do and where it is falling short. I reply to every serious inquiry.
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