Pelumi Mustapha

DevOps Engineer with a 3+ year track record of building and automating secure, scalable infrastructure for hybrid cloud environments. Expert in deploying containerized microservices, streamlining CI/CD pipelines, and embedding observability with an infrastructure-as-code mindset. Passionate about applying modern technologies to fortify business operations and drive continuous improvement.

DevOps Engineer at APPENTUS TECHNOLOGIES (2025-02 – Present)

• Accelerated release cycles by 25% by automating staging and production environments for MERN & LAMP stacks with a standardized deployment pipeline
• Reduced operational overhead by automating server deployment and scaling with AWS ASG policies and Launch Templates, enabling self-healing and on-demand scaling
• Cut brute-force attack and vulnerability scan noise by over 90% by orchestrating CrowdSec to automate real-time blocking of malicious IPs
• Improved deployment speed by 30% and reduced configuration errors by refactoring infrastructure with standardized templates and practices

Junior DevOps Engineer at DATANOTCH CONSULTING (2024-05 – Present)

• Cut cloud collaboration costs by 99.9% by deploying and managing a self-hosted Nextcloud platform, replacing paid SaaS solutions while enhancing data security
• Achieved 99.9% uptime SLA by implementing monitoring tools (Zabbix, Uptime Kuma, Grafana) to track server health and performance bottlenecks
• Reduced incident resolution time by 35% by monitoring CPU/memory spikes, I/O bottlenecks, and network latency
• Secured traffic for 40+ applications and reduced latency by 30% by implementing a Traefik proxy for intelligent routing and automatic TLS with Let's Encrypt
• Improved global site availability and cut DNS propagation delays by 50% by managing DNS infrastructure with Cloudflare
• Enforced RBAC and least-privilege principles across 20+ internal applications by implementing Authentik as a centralized Identity Provider (IdP)

DevOps Engineer (Intern) at ALTSCHOOL AFRICA (2022-04 – 2023-06)

• Hardened Linux server security by 30% and reduced vulnerability exposure by 40% through implementation of CIS Security Benchmark standards
• Improved user load handling by 40% and cut page load times by 30% on a scalable e-commerce platform
• Reduced issue resolution time by 25% by integrating real-time monitoring with Prometheus and log aggregation with CloudWatch
• Accelerated team productivity by 25% and reduced deployment time by 30% by optimizing GitLab CI/CD pipelines with parallel jobs and artifact caching
• Ensured 100% configuration consistency and cut deployment time by 50% by automating LAMP stack deployments across 20+ servers using Ansible

Bachelor of Science in Telecommunication Science – University of Ilorin (2019 – 2024)

Diploma in Cloud Engineering – Altschool Africa (2022-04 – 2023-06)