Linux System Administrator and Oracle Database Administrator with 16 years of experience in Linux system administration, relational database administration, and shell scripting.
I've remotely installed and managed Linux systems, trained over 300 people in these technologies, and actively participated at the management level in starting up and maintaining 2 IT training institutes.
Temidara A.
System Administrator | Linux | Windows | Cloud | Devops
Lagos, Nigeria
$40/hr$40 per hour5.0 (8) 12 jobs $5K+ total earnings
I help teams run infrastructure they don't have to worry about. No surprise outages, no "hope this backup works" moments, no migration disasters.
I've secured business-critical servers for financial institutions, built monitoring that surfaces issues early, and implemented backups with verified restores. My focus is long-term stability, not quick fixes, so problems stay solved instead of recurring.
CLIENT TESTIMONIAL:
"It has been nothing but a pleasure working with Temidara. We could not have been more happier than this..." - Keyway Solutions ⭐⭐⭐⭐⭐
PROBLEMS I SOLVE:
- Server crashes at 2 AM with no monitoring in place
- Backups that fail when you actually need them
- Security vulnerabilities you don't know about
- Infrastructure costs spiraling out of control
- Cloud migrations that take down your business
WHAT YOU GET:
- Automated backup pipelines with scheduled restore verification (recovery proven, not assumed)
- Monitoring that detects issues before customers notice
- Reduced infrastructure costs by 40% through right-sizing and observability
- Enterprise-grade security controls and identity management
- Zero-downtime server migrations with continuous sync
- Proactive incident response and security hardening
CORE EXPERTISE:
Cloud & Systems
- AWS (EC2, S3, CloudFront, IAM)
- GCP (Cloud Run, Compute Engine)
- Linux (Ubuntu, RHEL, CentOS)
- VPS management and optimization
Security & Compliance
- Microsoft SC-300 certified (Identity & Access Management)
- Pentera Level 3 security validation
- Zero Trust architecture implementation
- Incident response and remediation
- Enterprise security controls for financial services
Infrastructure Automation
- Docker, Ansible, Terraform, Bash/Python scripting
- CI/CD pipelines
- Infrastructure as Code (IaC)
Monitoring & Observability
- Prometheus, Grafana
- Real-time alerting for CPU/memory/disk
- Performance optimization and cost tracking
Backup & Recovery
- Automated backup pipelines
- Scheduled restore testing
- Disaster recovery planning
MY APPROACH:
Snapshot before changes → Test in staging → Automate recovery → Verify with monitoring.
I document everything so future maintenance doesn't require my involvement. The goal is to leave systems documented, observable, and recoverable without ongoing dependence.
WHY CLIENTS CHOOSE ME:
- Microsoft Certified in Identity & Access Management (SC-300)
- Pentera Level 3 Security Validation Engineer
- Full-time Cyber Security Engineer
- Financial services experience (compliance-ready)
- I test my own backups - proven recovery, not assumptions
- Documentation-first approach
CURRENT ROLE:
System Administrator at a major ISP, where I manage production infrastructure for enterprise clients. I respond to live incidents, implement enterprise-grade security controls and upgrades, and maintain 99.9% uptime for business-critical systems.
This experience means I bring enterprise-level reliability and security practices to every freelance project, without the enterprise price tag.
AVAILABILITY:
Ready to start immediately. I usually start with a short technical assessment to reduce risk, confirm assumptions, and avoid rework before changes are made.
Tags:
DevSecOps engineer, Linux security hardening, server security audit,
incident response, Fortinet firewall setup, FortiGate configuration,
SC-300 certified, Pentera security validation, Prometheus monitoring,
Grafana dashboards, backup automation, disaster recovery planning,
financial services infrastructure, zero trust architecture, AWS security,
IAM hardening, Terraform IaC, CI/CD pipelines, Ubuntu server admin,
RHEL administration, VPS optimization, cloud migration, zero-downtime migration
Olaitan F.
Lead Support Engineer | Cloud/DevOps Engineer
Lagos, Nigeria
$25/hr$25 per hour5.0 (2) 5 jobs $100K+ total earnings
I'm self-motivated Sys-Admin in O365 and AWS/Azure professional with 7+ years of professional experience in IT comprising of Development, Integration of DevOps tools with Cloud platforms, Configuration Management, Build and Release, Continuous Integration/Deployment, Delivery management, system administration. Expertise in Microsoft Azure Cloud Service (PaaS, SaaS & IaaS,) Application Insights, Azure Monitoring, Key vault, Active Directory, SharePoint Online.
Aliyu M.
Linux SysAdmin | L3 Support | cPanel, WordPress, Email Deliverability
Abuja, Nigeria
$50/hr$50 per hour4.5 (102) 193 jobs $50K+ total earnings
Top Rated | 100% Job Success | 10+ Years Experience
I help businesses manage, secure, and optimize their Linux servers, websites, and email systems ensuring everything runs smoothly and reliably long-term.
Whether you need ongoing server & website management or help fixing critical issues, I work as a reliable long-term partner, not just for one-time fixes.
# What I Do
* Linux server administration, monitoring & optimization
* cPanel/WHM & hosting management
* WordPress management, fixes, migrations & optimization
* Cloud infrastructure (AWS, GCP, DigitalOcean)
* Server migrations with zero downtime
* Email deliverability (SPF, DKIM, DMARC, blacklisting)
* DNS & Cloudflare setup and troubleshooting
* SSL, security hardening & malware cleanup
# Why Clients Choose Me
* Long-term server & website management
* I fix *root causes*, not temporary issues
* Fast, clear communication
* Reliable and consistent availability
#Let’s Work
If you’re looking for a long-term server/website administrator or need a stable setup that just works, send me a message, I’ll guide you on the best approach.
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