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Kelechi Nkemjika

IT Support Specialist

Exp : 7+ Years

$45 / hr

Results-driven IT professional with over 3 years of experience in network administration, Unix systems administration, and cybersecurity. Skilled in troubleshooting, project management, and providing exceptional customer support. Proficient in implementing and maintaining IT infrastructure with a focus on network security, cloud platforms, and scripting. Adaptable and collaborative, with a strong commitment to ongoing learning in the networking and cybersecurity domains.

Educational Qualification:

MSc in Cybersecurity
Dublin Business School, Dublin, Ireland (2023 – 2024)
Courses: Network and System Administration, Cryptography, Digital Forensics, Penetration Testing, Business Continuity Management,
Organizational and Societal Cybersecurity, Advanced Databases.
B.Tech in Geology
Federal University of Technology Owerri, Nigeria

Certifications:

AWS Cloud Practitioner
Security Blue Team Level 1
CompTIA Security+ (SY0-601)
Vulnerability Management
AWS re/Start Graduate
Introduction to Network Analysis
Introduction to OSINT

Technical Skills

Operating Systems: Ubuntu, Red Hat Linux, Windows, macOS

Networking Protocols: HTTPS, LAN, DNS, IP, TCP/UDP, VPN, firewalls, routers, subnets, switches

Cloud Platforms: AWS (EC2, ECS, Inspector, Lambda, ElasticSearch, GuardDuty, WAF, Config, CloudTrail, Trusted Advisor)

Ticketing Systems: Autotask, Zendesk, Okta, ServiceNow, ServiceDesk Plus

Remote Support Tools: Datto, TeamViewer, Zoom, Remote Assistance, Remote Desktop Connection

Scripting: Bash, PowerShell

Security Tools: Splunk, Nessus, Any.Run, Nmap, Phishtool, FTK, Autopsy, Volatility, Cyberchef

Active Directory: Management and troubleshooting in enterprise environments

Expertise

Network and Systems Administration: Proficient in diagnosing network issues, configuring routers, switches, and firewalls, and implementing network security protocols.

Cybersecurity Practices: Skilled in vulnerability management, incident response, and use of security tools such as Nessus, Nmap, and AWS security services to safeguard IT infrastructure.

Cloud Infrastructure Management: Experienced with AWS cloud platforms and services for secure, scalable infrastructure management.

Scripting & Automation: Proficient in Bash and PowerShell for process automation and systems administration tasks.

Customer Support & Troubleshooting: Strong background in providing Level 1 and Level 2 technical support, managing ticketing systems, and resolving user issues efficiently.

Work Experience:

Junior System Administrator – AccessForte, Lagos, Nigeria Feb 2019 – Oct 2022

Provided IT support and resolved user issues, installed and configured software and hardware, and maintained backups using Veeam and Acronis.
Managed user accounts and permissions in Active Directory, maintaining security and access controls.

Network Support Technician – Pivot GIS Limited, Lagos, Nigeria Jan 2016 – Nov 2018

Diagnosed and resolved network connectivity issues using tools like Wireshark, Ping, and Traceroute.
Installed, configured, and maintained network devices, created documentation, and provided user training on network best practices.

Helpdesk Tech Support – Nigerian Institute of Petroleum Resources, Lagos, Nigeria Feb 2015 – Dec 2015

Managed ticketing systems, assisted with onboarding and offboarding processes, and maintained accurate asset registers.
Installed and configured new systems, ensured proper security, and set up user accounts.

Projects:

File Sharing and Permissions Setup: Configured file sharing with appropriate permissions for different user groups.

Active Directory Backup and Restore: Implemented a comprehensive backup and restore plan for Active Directory.

Vulnerability Management Solutions: Deployed AWS Inspector and EC2 instances to strengthen asset security.

Honeypot Deployment and Analysis: Deployed a honeypot in a Google Cloud environment to analyze attack patterns.

AI-Driven Defense for Healthcare IoT: Developed an AI-driven defense mechanism using TPOT honeypot to mitigate ransomware attacks on IoT devices.

Prakash

Technical Architect

Exp : 20+ Years

$65 / hr

A highly accomplished Principal Architect with over 20 years of international experience in delivering digital solutions, cloud-native development, and microservices for Fortune 500 clients. Expert in AI, Machine Learning, IoT, cloud migration (AWS, Azure), and serverless architecture, with a proven track record of leading large-scale projects and cross-functional teams across global markets.

Educational Qualification:

MBA – Case Western Reserve, Cleveland, OH, USA
Masters in Engineering – BITS Pilani, India
Bachelors in Engineering – BITS Pilani, India

Technical Skills

Programming Languages: Java, Python, NodeJS, Go, React

Cloud Technologies: AWS (Lambda, Fargate, API Gateway, Sagemaker, EKS, S3, DynamoDB, Redshift, IAM, CodePipeline), Azure (Functions, IOT Central, AI Studio, App Service, AKS)

Machine Learning: AWS Sagemaker, Azure ML, AutoML, MLOps

Containers & Orchestration: Docker, Helm, Kubernetes (K8s), Portainer, Rancher

Event-Driven Architecture: AWS SNS, SQS, Event Store, CQRS

AI Tools: OpenAI (ChatGPT-4, LangChain, Semantic Kernel)

DevOps: Terraform, CI/CD pipelines, AWS CodePipeline, Azure DevOps

Database Technologies: DynamoDB, Redshift, Aurora, Elasticache, Oracle

Security: Zero Trust Security, AWS WAF, RBAC, Entra

Expertise

Cloud-Native Development: Extensive experience in cloud migration, serverless architectures, and microservices using AWS and Azure.

Machine Learning & AI: Led AI/ML practices, delivering SaaS solutions with advanced ML models, MLOps pipelines, and cloud-based analytics.

Event-Driven Systems: Architected and implemented event-driven architectures using CQRS, Fanout patterns, and event sourcing for high performance.

Automation & Infrastructure: Spearheaded automation initiatives with Terraform, introduced CI/CD pipelines, and optimized infrastructure costs by up to 80%.

Cross-Functional Leadership: Managed global teams across the USA, UK, Germany, India, South Korea, and more, ensuring project success through collaboration and strategic planning.

Cost Optimization: Delivered projects with significant cost savings through architectural re-design, cloud-native services, and efficient resource allocation.

Work Experience:

Principal Architect (2023 – Present):

Led AI/ML practice on AWS and Azure; delivered SaaS MVP in 3 months.
Architected predictive maintenance SaaS using Azure IoT Central, AI Studio, and microservices on Kubernetes.
Implemented Zero Trust security and monitored resilience with AWS Resilience Hub.

Principal Architect (2021 – 2023):

Led product development for warehouse automation systems, improving performance by 50%.
Re-architected systems to serverless event-driven architecture, reducing infrastructure costs by 80%.
Integrated cloud-native services (SNS, SQS, Redshift) to reduce technical debt and enhance analytics.

Director Technology (2020 – 2021):

Led AWS cloud operations and implemented CI/CD pipelines, reducing time-to-market by 50%.
Migrated SaaS product to serverless architecture, cutting TCO by 40%.

Software Manager (2017 – 2020):

Achieved 40% cost savings by integrating multi-cloud systems with event-driven architecture.
Developed microservices-based products using Python, NodeJS, Java, and React.

Solutions Architect (2013 – 2017):

Architected and developed NodeJS, Python, and SpringBoot microservices for large-scale web platforms.

Various Leadership & Development Roles (1999 – 2013):

Developed software modules in telecom, finance, and government sectors, leading teams to deliver enterprise-grade solutions using Java, Spring, and Python.

Rodrigo H

Full Stack Developer

Exp : 7+ Years

$50 / hr

Experienced Full Stack Developer with a strong background in backend development using NodeJS, Express, and AWS, along with proficiency in MongoDB and MySQL. Proven ability to design, implement, and optimize web applications. Demonstrates a solid understanding of process management and database administration. Skilled in troubleshooting and supporting networking issues with hands-on experience in Cisco and Juniper routers.

Educational Qualification:

Full Stack Web Developer – Digital House Coding School (July 2020)
Software Engineer – Universidad Abierta Interamericana (April 2015 – Dec 2019) | Graduated with an average grade of 8

Technical Skills

Languages: JavaScript, NodeJS

Frameworks: Express, Sails.js

Databases: MongoDB, MySQL, SQL Server

Cloud Platforms: AWS

Version Control & CI/CD: GitHub, GitHub Actions, Jenkins

Operating Systems: Linux

Development Tools: Npm

Other Skills: UML, Scrum

Expertise

Full Stack Development: Strong proficiency in full stack development, with experience in developing internal web pages, backend services, and API management.

Backend Engineering: Expertise in designing, developing, and maintaining backend services using NodeJS, MongoDB, and MySQL, focusing on performance optimization and scalability.

Cloud Integration: Hands-on experience with AWS services and Jenkins for deployment and cloud-based solutions.

Database Management: Experience in managing databases with SQL Server and MongoDB, ensuring data consistency and reliability across applications.

Troubleshooting & Support: Extensive background in troubleshooting network issues, providing support for Cisco and Juniper routers, and managing VM configurations and upgrades.

Work Experience:

Backend Developer (Nov 2021 – Present), Endava:

Developing backend solutions using NodeJS, Express, and AWS.
Managing MongoDB databases and handling deployments via Jenkins.

Software Developer (May 2021 – Nov 2021), WarnerMedia:

Developed internal web applications, utilizing NodeJS, GitHub, and MongoDB.
Automated processes using GitHub Actions for continuous integration.

Software Developer (Jan 2021 – May 2021), Eudaimonia Software Factory:

Developed and fixed functionalities across various projects using NodeJS, Sails.js, MongoDB, and MySQL.

Implementation Analyst (Feb 2020 – Jan 2021), Telecom Argentina:

Implemented technical solutions on the Flow platform, including upgrades and VM configuration.

Process Analyst (April 2019 – Feb 2020), Telecom Argentina:

Led process analysis and implementation, working with SQL Server databases.

NOC Help Desk and Dispatch Operator (Oct 2016 – Apr 2019), Telecom Argentina:

Provided network troubleshooting and support, working with Cisco and Juniper routers.

Sarath S

Machine Learning Engineer

Exp : 6 Years

$30 / hr

Senior Machine Learning Engineer with 6 years of experience in MLOPs, AI, Data Science and computer vision

Key Skills

Additional Skills

Detailed Experience

Expertise in Azure MLOps, Computer Vision, and Data Science.
Automated onboarding verification processes using OCR and entity identification.
Extracted handwritten data from children’s progress cards using OCR.
Developed forecasting and churn models for price optimization.
Implemented CNNs, U-Nets, and transformers for Computer Vision.
Developed custom text detection and recognition models for OCR.
Deployed solutions on AWS EC2 and automated deployment using Python boto3.
Worked on AI and Blockchain projects, including Blockchain token purchase forecast, retention analysis, digital marketing effectiveness analysis, and optimization.
Developed NLP-based chatbots using Spacy and NLTK.
Explored RNN and LSTM models.
Gained experience in Distributed AI and Ethereum Dapps in the Blockchain domain.
Contributed to IOT product development with integrated intelligence.

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Kelechi Nkemjika

IT Support Specialist

Exp : 7+ Years

$45 / hr

Educational Qualification:

Certifications:

Technical Skills

Expertise

Work Experience:

Projects:

Prakash

Technical Architect

Exp : 20+ Years

$65 / hr

Educational Qualification:

Technical Skills

Expertise

Work Experience:

Rodrigo H

Full Stack Developer

Exp : 7+ Years

$50 / hr

Educational Qualification:

Technical Skills

Expertise

Work Experience:

Sarath S

Machine Learning Engineer

Exp : 6 Years

$30 / hr

Key Skills

Additional Skills

Detailed Experience

Download Resume

Download Resume