Abdulrhman Hani - DevOps Engineer and Linux System Administrator

Professional Summary

DevOps Engineer and Linux System Administrator with 6+ years securing and automating infrastructure for mission-critical, highly regulated enterprise environments. Expert in Linux orchestration, Nginx, CI/CD automation, and zero-trust hardening, delivering 99.99% uptime and full compliance with stringent enterprise security standards. Strong software background enables advanced Bash and systemd-driven infrastructure automation and tight Dev/Ops collaboration.

Selected Project

Obj3ct - AI Cybersecurity Suite (5-agent self-hosted platform)

Personal Production Project

Portfolio: abdulrahman-me.com | Stack: Linux, Nginx, systemd, SSL/TLS, UFW, Python, FastAPI, Ollama, SQLite.

Architected and operates a multi-service self-hosted platform on Linux running 5 production agents (chat / RAG, autonomous security scanner, digital forensics, OSINT, reverse engineering) behind a single Nginx reverse proxy.
End-to-end ownership: provisioning, hardening, monitoring, logging, systemd-managed services, IP allow-listing, rate limiting, security headers, automated TLS renewal, and Telegram bridge integration.

Professional Experience

Senior DevOps & Linux Engineer

May 2025 - Present

Personovate / AICybr - Strategic Technology Contractor, Abu Dhabi, UAE

Administered a multi-domain Linux ecosystem (RHEL, CentOS, Ubuntu) hosting large-scale enterprise platforms on Nginx, Docker, and PHP-FPM, delivering 99.99% uptime and enterprise-grade compliance.
Configured Nginx reverse proxies, SSL/TLS via Let's Encrypt (with auto-renewal), firewall (UFW/firewalld) rules, and IP allow-listing to enforce zero-trust security and system hardening.
Built CI/CD release flows using Git, shell scripting, and rsync-based zero-downtime deployments, cutting release times and eliminating manual deploy errors.
Automated system maintenance with Bash, cron, and systemd timers - log rotation, backups, health checks, and certificate renewals - reducing manual operational load by ~60%.
Managed DNS, multi-subdomain setups, and email server configurations across staging and production environments.
Integrated Python + LLM API automation for log triage and incident classification, accelerating routine maintenance.
Built centralized observability with journalctl, custom Bash health-check scripts, and a Telegram alerting bridge for on-call incident notification.

Full-Stack Developer & Infrastructure Support

May 2024 - May 2025

EmaxUAE, Abu Dhabi, UAE

Managed deployment lifecycle and server provisioning for production web applications.
Improved release reliability and team velocity by 20% through automated workflows and code reviews.
Hardened application servers and integrated third-party services securely.

Senior Backend Developer (DevOps-oriented)

Mar 2023 - May 2024

Stackdeans, Alexandria, Egypt

Optimised database performance and implemented caching strategies for scalable backends.
Established Git-based versioning and deployment practices across the team.
Tuned infrastructure to sustain high performance under load.

Freelance Backend & Deployment Engineer

Jul 2022 - Present

Self-Employed, Remote

Managed end-to-end deployment: server provisioning, Git versioning, and CI/CD pipelines.
Configured secure servers, SSL certificates, and automated backups for client production environments.

Technical Skills

Operating Systems: Linux (RHEL, CentOS, Ubuntu, Debian), Unix administration.

Web & Reverse Proxy: Nginx, SSL/TLS, Let's Encrypt, HTTP/2, Load Balancing.

Containers: Docker, Docker Compose.

CI/CD & Automation: CI/CD Pipelines, Advanced Bash Scripting, systemd units & timers, Cron, rsync-based zero-downtime deploys, Git.

Security: Zero-Trust Architecture, Firewall (firewalld, iptables), Vulnerability Assessment, Network Security, Hardening.

Networking & Services: DNS configuration, Email Server setup, Domain management, Monitoring & Log analysis.

Databases: MySQL / MariaDB administration, indexing, query optimization, replication, and caching strategies.

Programming: Python 3, PHP, Laravel, RESTful APIs.

Education

Bachelor of Science in Management Information Systems

2018 - 2023

King Marriott University, Alexandria, Egypt - GPA 76.27% (Very Good)

Focus on database systems, IT project management, and software engineering.
Recognised as equivalent to a Bachelor's in Commerce (MIS) by the Supreme Council of Universities.

Certifications & Training