Hire the Best Linux System Administrators
in Kenya

I am a Linux system administrator with 6+ years of experience specializing in captive portal systems (Coovachilli) on WiFi Guest Networks , particularly using FreeRADIUS for managing user access on wireless and wired networks for major Vendors such as TPLink, Unifi Ubiquity, and OpenWRT. I build robust, scalable solutions for bandwidth management, data caps, and session control. Am a certified FullStack Developer with Backend Specialization. My technical stack includes: 🔧 FreeRADIUS, CoovaChilli,OpenWisp, DD-WRT/OpenWRT/Omada Controller/ Unifi Cloud Controller Captive Portal Setup Specialist 📡 TPLink Omada Controller - Advanced Data Backup and Restoration 🐘 PHP — Backend APIs, portals, and admin dashboards 🐍 Python — Enterprise applications and automation scripts 💾 MySQL/MariaDB, PostgreSQL 🔐 Security hardening and performance optimization on Ubuntu/Debian servers I hold a Software Development Certification in Backend Full-Stack Development, and I deliver projects that are clean, documented, and production-ready. Why choose me? ✅ Top Rated – Top 10% on Upwork 📈 Proven results and client satisfaction 🤝 Professional, transparent communication 🔍 Deep understanding of backend systems and network access control Let’s collaborate and build something that works — securely and at scale.

I'm Erick, a Software Engineer and System Administrator specializing in self-hosted solutions. I deploy and manage secure server environments to help businesses operate independently from third-party SaaS platforms. My expertise includes Linux server administration, Docker containerization, virtualization with Proxmox, and VPN configuration using WireGuard, Tailscale and OpenVPN. I set up, troubleshoot, and optimize self-hosted services, ensuring efficient and reliable infrastructures tailored to your needs. I also provide Twilio services to help businesses efficiently reach out to customers.

I am a Senior Engineer with strong expertise in AWS, Google Cloud Platform, Linux systems, automation, and network/security engineering. I help businesses design, deploy, secure, and automate scalable infrastructure, on-prem, cloud, and hybrid environments. On the DevOps side, I specialize in: CI/CD pipelines using Jenkins, Git, and cloud-native CI/CD platforms Containerization & orchestration with Docker and Kubernetes Infrastructure as Code (IaC) using Terraform and Ansible Deployment automation for cloud and on-prem environments Linux system administration (Ubuntu & enterprise Linux) Scripting and automation using Python, Bash, and Git On the Cloud & Architecture side, I work extensively with: Amazon Web Services (AWS) – EC2, networking, security, and automation Google Cloud Platform (GCP) – Cloud Run and cloud-native services Cloud architecture design, optimization, and cost-efficient scaling Secure, highly available, and production-ready cloud environments I also bring deep expertise in Networking and Security, including: Firewall deployment & management (FortiGate, Fortinet, Palo Alto, Juniper, Cisco, UniFi) VPN technologies (IPsec, SSL VPN, FortiClient) Routing & switching – BGP, OSPF, ECMP, VRF, VXLAN ISP & enterprise networking – Peering, IP Transit, IXP sites Cisco & Juniper networking environments Network security, firewall policies, and security infrastructure hardening Additional strengths include: Windows Server & Active Directory administration IPv4/IPv6, VLANs, SSL, VoIP fundamentals Troubleshooting complex production issues Technical support and system configuration in enterprise environments I am detail-oriented, automation-driven, and security-focused, with real-world experience supporting mission-critical systems. Whether you need cloud migration, DevOps automation, CI/CD setup, Kubernetes deployments, firewall/VPN configuration, or network optimization, I deliver reliable, scalable, and well-documented solutions.

With 5+ years of hands-on experience as an AWS Solutions Architect and Linux System Administrator, I am dedicated to delivering robust and scalable cloud solutions. Based in Nairobi, Kenya, I specialize in crafting and managing secure AWS environments and optimizing Linux-based systems to ensure peak performance and reliability. My focus is on building lasting relationships with clients by providing expert consultation and support tailored to their specific needs. Skills: AWS Solutions Architecture: - Designing and implementing scalable, secure, and cost-efficient AWS infrastructures. - Expertise in VPC design, multi-region architectures, and disaster recovery planning. - Proficient in setting up and managing CI/CD pipelines using AWS services. Linux System Administration: - Extensive experience managing and optimizing Linux environments for performance and security. - Skilled in automating tasks with shell scripting, Ansible, and Terraform. - Proficient in configuring and managing web servers, load balancers, and databases. DevOps & Infrastructure as Code (IaC): - Advanced knowledge of Docker and CI/CD pipeline automation. - Implementing Infrastructure as Code using Terraform and AWS CloudFormation. - Expertise in configuration management tools like Ansible for automating system provisioning. Security & Compliance: - Securing AWS environments with IAM policies, security groups, and encryption. - Implementing monitoring and logging solutions using CloudWatch. - Ensuring compliance with industry standards such as GDPR, HIPAA, and PCI DSS. Consultation & Support: - Providing expert consultation for cloud migration, cost optimization, and architecture design. - Ongoing support and maintenance to ensure system reliability and uptime. - Collaborating with teams to align technology solutions with business objectives. My primary goal is to leverage my expertise to help businesses succeed by providing reliable, efficient, and scalable cloud and system administration solutions.

I will install, configure, tune and maintain your Linux servers. - CentOS, Debian, Ubuntu, CloudLinux, RHEL - Available to start IMMEDIATELY - Remotely - 17 years IT generalist (support, training, development, design) - 15 years Linux, UNIX, Systems Administration - 11 years Database administration: PostgreSQL, MySQL, MS-SQL - 11 years Network administration: TCP/IP, DNS, DHCP, SSH, VPN, VLAN, Routing, Firewalls - 6 years experience working with cloud providers: VPS/Dedicated servers, hosted/managed services - L1/L2/L3 tech support - Virtualization: Xen, OpenVZ, VMWare ESXI, KVM - Experience with AWS - EC2, RDS, S3, Cloudfront, ELB, ACM - Server provisioning, monitoring, performance testing and tuning - Datacenter and server installation, operations/administration - Linux: Debian, Ubuntu, CentOS, RHEL, Oracle Linux - DevOps: Ansible, Gitlab - High-availability systems (database replication, load-balancing) - Web-hosting management: WHMCS, cPanel, Plesk - Experience with networking - TCP/IP, DNS, SSH, Routing, VPN, routers, firewalls - Systems monitoring - Nagios, Zabbix, Monit - Apache, Nginx, Varnish, Squid, LetsEncrypt, SSL/TLS - HA, fail-over, backups and disaster-recovery - Understanding of GDPR, HIPAA - Experience deploying the following software on Linux: Nagios, Zabbix, Moodle, Apache, nGinx, MySQL, PHP, Python, PostgreSQL, ownCloud, Nextcloud, WordPress, Drupal, Mediawiki, WordPress