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Stephen Joe Esu

@stephenjoeesu

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System Administrator delivering secure cloud operations and reliable enterprise IT support.

Nigeria

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What I'm looking for

I’m seeking a fully remote role with a global employer where English is the working language, focusing on secure cloud infrastructure, reliable system operations, and fast incident resolution with clear communication across time zones.

I’m a results-driven IT professional with 5+ years of hands-on experience in system administration, technical support, network infrastructure, and cloud operations. I manage and troubleshoot complex environments end-to-end—from help desk tickets to enterprise Linux server administration and cloud deployments on Azure and AWS.

I’m strong at working independently in remote settings, communicating clearly across time zones, and resolving incidents with minimal supervision. I’ve automated provisioning with Terraform and Ansible, hardened Linux with SELinux and CIS benchmarks, and improved monitoring and detection using Prometheus, Grafana, and Wazuh—so teams get faster outcomes and fewer repeat issues.

Experience

Work history, roles, and key accomplishments

Current

Network & Server Engineer

Current

Uniccon Group of Companies

Apr 2024 - Present (2 years)

Provided Tier 2/3 support for Linux servers and cloud/container environments, resolving incidents within SLA. Administered Azure/AWS workloads and improved security and observability by reducing incidents by 50% and MTTD by 60%.

Linux Server Administration Microsoft Azure Amazon Web Services (AWS)Terraform Ansible FortiGate Iptables Failover Firewalling MFA Conditional Access Prometheus Grafana Wazuh Monitoring

Linux System Administrator

R.T Communication Limited

Sep 2022 - Mar 2024 (1 year 6 months)

Managed RHEL/CentOS/Ubuntu servers remotely, maintaining 99.9% uptime through proactive monitoring and fast incident response. Administered DNS/DHCP (BIND), resolved infrastructure issues with root-cause analysis, and improved team response times by documenting changes in a shared knowledge base.

Incident Response DNS DHCP Access Control And Secure Password Policies Change Documentation Runbooks

System Administrator

Dotmac Technologies Limited

Jan 2021 - Aug 2022 (1 year 7 months)

Deployed monitoring with Zabbix and PRTG across 20+ servers, reducing critical alerts by 40% and improving visibility for 200+ users. Managed IT helpdesk operations, implemented Zoho One for onboarding/support, and maintained patching, firmware updates, and backups to ensure stability and data integrity.

Zabbix PRTG Zoho One Administration Server Patching Linux Administration