Devops Engineer Communications Systems

TUNMIDA KUBOYE

EDUCATION

MSc Mobile Communications Systems, University of Surrey Guildford UK (graduated 2011)

BEng Electrical & Electronics Engineering, University of Birmingham, UK (graduated 2005)

PROFILE

Telecommunications professional with over 15 years experience of extensive RF engineering & DeVops practices with hands on experience supporting, automating, and optimizing application deployments. An avid learner who is eager to explore new technologies, quick on the feet to learn and adapt to new ideas for growth and increase productivity.

This experience, coupled with excellent communication skills allows for strategic planning contributions in client consultancy services

SKILLS

RF Design, performance, optimization, model tuning for 2G, 3G, 4G, VoLTE, 5G and CBRS

Operating systems: Linux [Redhat 7, Ubuntu], windows

Cloud platforms AWS, Azure

Scripting languages: Basic Bash shell, JSON, SQL, REST APIs, python

Distributed Version Control tools: Git

Source Code Management: GitHub

Infrastructure Provisioning: Terraform, CloudFormation

Build tools: Maven, Ant, Gradle

Remote Artifactory Repository: Nexus

Code Quality Analysis Tool: SonarQube

Application Servers: Tomcat, VMs

CI/CD tool: Jenkins

Containerization Tools: Docker, Amazon EC2

Container Orchestration tools: Kubernetes, Amazon EKS

Monitoring Tools: Prometheus and Grafana, Datadog, new Relic

Ticketing: Jira, Service-Now, Confluence for Documentation

Application Deployment and Configuration management: Ansible

WORK EXPERIENCE

RaComms LLC 10/2023 –Present (Senior DevOps Engineer )

Best practice enforcement and branch strategy using git/github

Deployment of 3rd party applications like Prometheus, Grafana, Elasticsearch, Beats, Kibana

Cluster deployment and management utilizing helm charts and manifest files in k8s

Managing projects, pipelines and plug ins with Jenkins

Using Ansible playbooks to manage infrastructure

Ongoing training for AWS Practitioner cloud certification

Eclipse 03/2023 –10/2023 (RF tools Applications Engineer )

Utilized web and server applications to extend Verizon indoor coverage by simulating 5G GNBs with LOS to utility poles and electric poles

Production environment deployment, configuration and testing of RF propagation software hosted on Azure

In charge of git/git hub administration and security

setting up and maintaining a CI/CD pipeline tool using Jenkins and integrate all functional plugins

Built and tested source code using Maven. Distributed traffic using Nginx as a proxy

Ericsson 03/2022-03/2023 RF Engineer

RF engineer worke don multiple projects including Viaero, AT&T, CIQ creation and model tuning

RF Design engineer for CBRS/5G and link budget analysis

Monte carlo simulations

CW data filtering, model tuning and validation of 700MHz to standard deviation 8.0 using atoll

CIQ creation

Creating reports with coverage analysis for customer review

Tech Mahindra – ATC 9/2021 – 3/2022 (5g CBRS design)

Created and setup a AWS EC2 virtual instance

Atoll setup and configuration with licenses and map data

CW data and antenna data import

Model tuning of suburban model and mountain model to 8dB standard deviation or better

4G LTE B48 CBRS design in Ohio based on link budget

Tech Mahindra – Comcast 4/2021 – 9/2021 (5g CBRS design)

Utilizing Atoll with aster propagation models, a 5G cluster was designed using strand and supplementing with poles in dense urban downtown Philadelphia

ACP was used for candidate and nominal selection

Weightings and objectives set were strategically configured to yield optimal results and ROI

Design enhancements utilised Crowd sourcing data, population data and google maps

Tech Mahindra – Verizon 4/2019 – 3/2022 (Deployment expert and DevOps Engineer)

Feature testing/FOA/POC of RF SON orchestrating functionalities like anchoring, neighbour planning, KPI analysis and parameter provisioning across multiple vendors at the same time

Followed SRE’s best practices and procedures for continuous integration in UAT and production environments of applications running in VCP

Tested functionality using JSON REST API’s, POSTMAN and J-Meter for automation, load and regression testing

Managed and performance tuned databases (mongo, vertica, mysql) using Nifi, Grafana and streamed data pipelines with kafka

Built infrastructure as code using terraform

Built, created and enabled Kubernetes clusters

TTS/Amdocs (T-Mobile RF Engineer) 3/2016 – 3/2019

DAS and small cell planning, analysis justification packages using iBwave

SON automation POCs. Set up and deployment

Radio network parameter enforcement, integration, optimization and performance of 2G/3G/4G/VoLTE sites.

RFDS Design, port matrix, scoping, reviewing and redlining

New site integrations (CIQs, SSV, SCFs) and close outs

LCC 11/2014 – 1/2016 (Sprint RF IV Engineer)

Rf lead in charge of 2 markets for LTE/CDMA/EvDO network optimization and performance

RF Lead managing a 12 man team across 4 markets for LTE/CDMA/EvDO network optimization and performance.

Evaluated drive test and performance data to propose optimization changes and track improvements to target KPIs/SLAs

New site integrations, cluster/site performance and parameter audits using CIQs and RFDS

TTS (12/2013 – 11/2014) TMobile engineer

Cluster Engineer working on modernization project (UMTS to LTE/VoLTE conversion)

New Site design and optimization using coverage predictions with Asset

Daily market monitoring for major KPI improvement by troubleshooting network issues

Daily cluster and market performance to target KPIs

RFDS populating and site drawing reviews

Ericsson UK 4/2010 – 6/2013 (RF Tools Administrator)

Tool Administrator for RF Planning tool suite

User management, patch deployment, database upgrades, automation initiatives utilizing Linux and windows

Best practices and RF planning guidelines

Providing consultancy services & RF planning/optimisation of GSM/UMTS and LTE sites

Airwave Solutions Limited UK 9/2008 – 4/2010 (Radio network Engineer)

Testing, accepting and verifying multi million pound switch systems deployed for the 2012 Olympics.

Configuring, testing and verifying switch systems including MSCs, BSCs, HLRs/VLRs routers, AUCS LAN switches, echo cancellers, Cisco Routers

Oversee vendor RVTM (Requirement Verification Traceability Matrix), negotiate test plans and scripts to verify compliance with the specified radio network requirements.

Management of test exceptions, non-compliances, concessions, through to resolution according to agreed plans.

Aircom International UK 9/2005 – 8/2008 (Graduate Engineer on development program

A graduate engineer that rotated within 4 different departments of a software company

Software testing: Writing and manual testing of multiple test cases for multiple functionalities and features. Logging bugs and validating fixes

Product Support: Troubleshooting tickets from customers, Oracle database upgrades and fine tuning, patch and hot fix validations

Deployment: install software with oracle database in Linux and Windows, environment setup and configuration, demo’s and presentations

RF Consultancy: Drive testing, RF design and optimization for GSM, UMTS

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