Pompey Esezobor
Summary
Network and automation engineer with 19+ years of experience operating and automating large-scale carrier and service-provider networks supporting millions of subscribers. Proven record building automation tooling, CI/CD workflows, and operational systems that improve network uptime, deployment velocity, and troubleshooting efficiency in production environments. Strong background in Linux-based systems, Python automation, monitoring, and modernization of legacy network operations into scalable automated workflows supporting mission-critical services. Collaborates closely with software and infrastructure teams to build reliable, maintainable, and scalable operational systems.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Network Automation & Infrastructure Engineer
TELUS Mobility
Calgary, Canada
01.2018 - Current
- Design, operate, and automate production network infrastructure supporting national mobile and fixed services.
- Key Contributions
- Built automation frameworks replacing manual provisioning and operational workflows.
- Developed CI/CD pipelines automating configuration validation, deployment, and operational testing.
- Automated network configuration and health checks using Python and Ansible, reducing operational execution time by up to 80%.
- Implemented telemetry and monitoring pipelines improving network visibility and accelerating incident response.
- Collaborate with software and DevOps teams to improve automation tooling and operational processes.
- Investigate complex production incidents spanning automation tooling and network infrastructure.
- Support upgrades, migrations, and maintenance with minimal customer impact.
- Participate in on-call rotations supporting critical production network services.
- Selected Automation Initiatives
- Automation Assistant for Network Operations
- Built internal tooling integrating Jenkins and GitLab pipelines.
- Enabled teams to trigger operational workflows and generate automation scripts via natural-language requests.
- Reduced manual pipeline preparation from hours to minutes.
- 4G/5G Automation & Observability Platform
- Automated Ericsson SMF/UPF validation workflows using Python and Ansible.
- Implemented centralized monitoring and logging pipelines using Prometheus, Grafana, and Jaeger.
- Improved operational visibility and reduced troubleshooting time.
Network Infrastructure Specialist
Freedom Mobile
Calgary, Canada
01.2017 - 01.2018
- Supported deployment and operational stability of mobile core and transport networks.
- Integrated routing and transport infrastructure into production networks.
- Conducted node turn-up and production readiness validation.
- Troubleshot service-impacting network faults.
- Supported migrations and capacity expansion projects.
Core Network & Backbone Infrastructure Engineer
MTN Group
Nigeria
01.2006 - 01.2017
- Operated nationwide carrier infrastructure supporting tens of millions of subscribers.
- Automated backbone and core operations across multiple regions using Ericsson WinFIOL tooling.
- Delivered network expansions enabling nationwide mobile service growth.
- Increased backbone resilience and reduced service outages.
- Led incident response and production change execution for critical network events.
- Executed infrastructure upgrades and restored services during network faults.
Education
Master of Science - Information & Communication Science
Ball State University
01.2025
Bachelor of Science - Physics
Ahmadu Bello University
Nigeria09-2002
Post Graduate Diploma in Electrical Engineering - Electrical, Electronics And Communications Engineering
Bayero University
Nigeria05-2008
Skills
- Networking
- Carrier backbone and core networks, BGP, MPLS, IS-IS, OSPF, IPv4/IPv6, TCP/IP, DNS, 3G/4G/5G
- Automation & Development
- Python, Bash, automation scripting, REST APIs, configuration automation, CI/CD workflows
- DevOps & Infrastructure
- GitLab CI/CD, Jenkins, Puppet, Docker, Podman, Kubernetes/OpenShift fundamentals
- Monitoring & Observability
- Prometheus, Grafana, Jaeger, centralized logging, telemetry pipelines, GCP monitoring
- Operations
- Incident response, change management, network migrations, production troubleshooting
Certification
- Cisco DevNet Associate – Network Automation
- Red Hat Certified Specialist in Containers & Kubernetes
- Cisco Certified Network Professional (CCNP)
- Cisco Certified Network Associate (CCNA)
- Project Management Professional (PMP)
- AWS Solutions Architect – Associate (Training Completed)
- Red Hat Linux System Administration
- OpenShift & Kubernetes Administration Training
- Netscout nGeniusONE Service Provider Operations Training
- Ericsson Academy Training – IMS, EPC, 4G/5G Core Operations
- SSCA – SIP School Certified Associate
- Palo Alto Firewall Administration Training
Timeline
Network Automation & Infrastructure Engineer
TELUS Mobility
01.2018 - Current
Network Infrastructure Specialist
Freedom Mobile
01.2017 - 01.2018
Core Network & Backbone Infrastructure Engineer
MTN Group
01.2006 - 01.2017
Master of Science - Information & Communication Science
Ball State University
Bachelor of Science - Physics
Ahmadu Bello University
Post Graduate Diploma in Electrical Engineering - Electrical, Electronics And Communications Engineering
Bayero University