Maksudul Alam

System Administrator

NextGen Professional • Freelance

Dec 2025 - Present • 6 mos

As a System Administrator and Cybersecurity Expert at NextGenIT, I manage and secure Linux-based server infrastructures for a diverse range of clients, including startups, e-commerce platforms, and SaaS companies. My key responsibilities include: Designing, deploying, and maintaining high-availability VPS and cloud environments (AWS, DigitalOcean, Hetzner, Linode) with zero-downtime migrations Implementing robust security measures: firewall configuration (UFW, iptables, CSF), fail2ban setup, SSL/TLS encryption, vulnerability scanning, and regular patching Monitoring and optimizing server performance to handle high-traffic loads, resource-intensive applications, and AI/ML workloads Performing penetration testing, log analysis, and incident response to protect against threats and ensure compliance Automating routine tasks using Bash and Python scripts, including backups, updates, and security audits Providing 24/7 emergency support for server crashes, DDoS attacks, malware removal, and data recovery This role has strengthened my expertise in secure, scalable server management and proactive cybersecurity practices, enabling me to deliver reliable AI integrations and deployments for clients on Fiverr. Optional Skills to Add (select or type these in the skills dropdown): Linux System Administration, Cybersecurity, Server Security, Cloud Computing, AWS, DigitalOcean, Firewall Configuration, Vulnerability Assessment, Python Automation, DevOps, Penetration Testing, SSL/TLS, Docker Security