Joshua Agyekum

Systems Administrator

Oslo, Norway

joshuaagyekum21@gmail.com

Professional Summary


Certified System Administrator with strong hands-on experience in cloud infrastructure (AWS), Linux system administration, virtualization, and automation. Skilled in Python and Bash scripting, infrastructure-as-code, monitoring, backup, and DevSecOps practices. Adept at managing operational systems in hybrid environments and committed to secure, efficient IT operations.


Summary of Achievements

Accomplished IT professional with a proven track record in managing complex infrastructure and cloud environments. Successfully administered core tools and enhanced operational efficiency through effective project coordination and incident resolution. Demonstrated expertise in cloud security, virtual environments, and user management, while consistently driving timely IT project deliveries and ensuring optimal system performance.


  • 2+ years of experience in the IT field
  • Enhanced System Reliability: Installed, configured, and maintained Linux servers for high availability, achieving a 99.9% uptime through proactive monitoring and optimization.
  • Streamlined User Management: Administered user accounts, groups, and file permissions across multiple platforms, improving access control and security compliance.
  • Optimized Monitoring Systems: Implemented and managed monitoring solutions using Nagios, Zabbix, CheckMK, and Grafana, leading to a 30% reduction in response time for system performance issues.
  • Fortified Server Security: Developed and implemented security measures, managed firewalls, and applied updates/patches, resulting in a significant reduction in vulnerabilities and security incidents.
  • Automated Task Management: Wrote and maintained shell scripts to automate repetitive tasks, reducing manual workload by 40% and enhancing operational efficiency.
  • Disaster Recovery Implementation: Developed comprehensive backup and disaster recovery plans using cron jobs, ensuring data integrity and quick recovery in critical situations.
  • Managed Cloud Infrastructure: Administered AWS and Azure cloud environments, optimizing resource allocation and reducing costs by 20% through efficient usage monitoring.
  • Coordinated IT Projects: Successfully led IT project coordination through Monday.com, ensuring timely completion and adherence to project timelines, which improved overall team productivity.
  • Root Cause Analysis Expertise: Conducted thorough root cause analyses of system issues, leading to the implementation of permanent solutions that improved system reliability.
  • Proficient in Virtualization: Managed VMware virtual environments and supported the integration of cloud technologies, enhancing scalability and performance for the organization's IT infrastructure.
  • Implemented CI/CD Pipelines: Developed and maintained CI/CD pipelines that automated the build, test, and deployment processes, reducing deployment time by 50% and increasing the frequency of releases, ultimately improving overall software delivery efficiency.


Technical Skills


Languages & Scripting

  • HTML
  • CSS
  • PowerShell
  • SQL
  • Python
  • MySQL
  • Bash
  • Git
  • YAML

Backup & Restore

  • Python + Bash Automation
  • S3 Integration
  • Email Notifications

Cloud Platforms

  • Azure
  • AWS

Operating Systems

  • Linux
  • Windows
  • iOS

CI-CD

  • Jenkins
  • GitHub Actions

DevOps

  • SonarQube
  • Infrastructure as Code (IaC)

Monitoring & Logging

  • CloudWatch
  • Shell-based Monitoring Agents
  • Logging Pipelines

Monitoring

  • Nagios
  • CheckMK
  • Webmin
  • SNOW

IT Security

  • IAM
  • Linux Hardening
  • Firewalls
  • VPN

Version Control

  • Git
  • GitHub

Container Orchestration

  • Docker
  • Kubernetes

Deployment & Virtualization

  • Kubernetes
  • AWS EC2, S3, RDS
  • Docker
  • Elastic Beanstalk
  • Basic VMware / Hyper-V

Education


  • Master's in International Relations – NORWEGIAN UNIVERSITY OF LIFE SCIENCES, Norway [2022 – 2024]
  • Bachelor's in Educational Technology – UNIVERSITY OF EDUCATION, WINNEBA, Ghana [2014 – 2018]

Professional Certifications


  • Certified System Administrator – Credly Portfolio
  • Certified Python Developer – W3Schools, 2024
  • Certified Backend Developer with Python – W3Schools, 2025
  • Certified SQL & MySQL Developer – W3Schools, 2024
  • Certified Git Practitioner – W3Schools, 2025
  • Certified Data Scientist – W3Schools, 2024
  • Certified Excel Practitioner – W3Schools, 2025
  • AWS Cloud Essentials – Amazon Web Services, 2024
  • Linux Essentials & Linux Unhatched – Cisco, 2024
  • ChatGPT Prompt Engineering – DeepLearning.AI, 2025

Professional Interests


  • System Administration and Cloud Infrastructure (AWS)
  • Automation using Python, Bash, and GitHub Actions
  • Infrastructure-as-Code, CI/CD, and DevOps Best Practices
  • Linux Security Hardening, IAM, and Secure Deployment
  • Technical Documentation, Mentorship, and Knowledge Sharing