Hello, I'mAnmar Witwit.
Senior DevOps & Systems Administrator — Enterprise infrastructure, cloud platforms, VPS architecture, and cybersecurity
A short story.
Senior DevOps & Systems Administrator with 10+ years of experience in enterprise infrastructure, cloud platforms, VPS architecture, and cybersecurity across Iraq and the United States.
Specialized in designing, securing, and automating production-grade systems across cloud and on-prem environments, with strong expertise in Linux administration, CI/CD pipelines, infrastructure hardening, and network security.
Proven track record of building high-availability systems, optimizing performance, and reducing operational overhead through automation.
Where I've worked.
A timeline of teams I've helped build, ship and scale.
- Apr 2025 — Present1 yr 4 mos · OnSite
Supervisor & DevOps Infrastructure Lead · Golden Castle LLC
Baghdad, IraqLead infrastructure operations, system security, and deployment automation for critical business environments.
- Architected and secured production-grade Linux and Windows environments supporting critical operations.
- Designed and optimized CI/CD pipelines, reducing deployment failures by about 40% and improving release efficiency.
- Implemented infrastructure hardening and vulnerability patch management to reduce system attack surface.
- Automated server provisioning and configuration with scripting and Ansible, reducing manual setup time by about 60%.
- Engineered Fortinet firewall configurations, secured DNS and SSL with Cloudflare, and monitored network traffic to reduce downtime risk.
- Led infrastructure operations and teams to maintain high availability and 24/7 stability.
LinuxWindows ServerGitHub ActionsAnsibleCloudflareFortinetFirewall Policies - Jul 2023 — Apr 20251 yr 10 mos · Remote
DevOps & Systems Engineer · Self-Employed
RemoteDelivered secure, scalable VPS and systems engineering solutions for client production workloads.
- Designed and deployed secure Linux VPS environments for production workloads.
- Built and optimized hosting architectures using Nginx, Gunicorn, and reverse proxy configurations.
- Implemented firewall rules, intrusion prevention mechanisms, and automation using Bash, Python, and Ansible.
- Delivered infrastructure solutions tailored to client requirements with strong scalability and security focus.
LinuxAnsibleBashPythonNginxGunicornFirewall Policies - Mar 2015 — Jul 20238 yrs 5 mos · OnSite
IT Engineer III · Green Wave Electronics
United StatesManaged enterprise infrastructure, AWS services, and secure networking for backend and business systems.
- Deployed and managed AWS infrastructure including EC2, S3, and RDS for backend systems.
- Engineered secure enterprise networks using Cisco routers and switches.
- Automated provisioning processes to reduce deployment time and minimize manual errors.
- Resolved infrastructure and security incidents to improve system stability and reliability.
- Maintained and secured enterprise infrastructure to ensure stable operations.
LinuxWindows ServerPowerShellAWSCiscoNetwork Security
Things I've made.
Shipped products, side projects and experiments — each one a study in trade-offs.
Secure VPS Infrastructure
Production-grade hardened Linux environments with secure networking, SSL, firewall rules, and attack mitigation.
CI/CD Automation System
Deployment pipelines that reduced manual errors, improved release consistency, and enabled faster delivery.
The craft.
Tools and techniques I reach for, organised by where they live in the stack.
Infrastructure & Systems
- Linux administration10 yrs
- Windows Server10 yrs
- Production environment support10 yrs
DevOps & Automation
- CI/CD pipelines8 yrs
- Ansible5 yrs
- Bash / PowerShell / Python automation8 yrs
- Docker5 yrs
Cloud & Networking
- AWS (EC2, S3, RDS, VPC)8 yrs
- Azure VM & VPS architecture6 yrs
- Cloudflare DNS / SSL / security5 yrs
- Cisco & Fortinet networking8 yrs
Security & Reliability
- Infrastructure hardening8 yrs
- Threat mitigation & intrusion prevention8 yrs
- Patch management8 yrs
- Disaster recovery & backups8 yrs
Foundations.
Bachelor of Science
Verified.
Cisco CCNA - Switching & Routing
How I speak.
Say hello.
Looking for a collaborator, a hire, or just a conversation? Drop a line.