Server Administrator

Job Description Server Administrator / DevOps Engineer Department Infrastructure & Operations Location Noida, India (On-site) Employment Type Full-Time Experience Required 8+yrs Reporting To Technical Lead / CTO Role Overview We are looking for a skilled and proactive Server Administrator / DevOps Engineer to join our growing team. The ideal candidate will be responsible for the full lifecycle of our server infrastructure from provisioning bare-metal and cloud VPS instances to deploying and maintaining multi-stack web applications, enforcing security postures, and setting up internal endpoint monitoring. You will work hands-on with Linux and Windows environments, popular hosting control panels, and AWS cloud services. Key Responsibilities Traffic Analysis & Network Monitoring Monitor, capture, and analyze inbound and outbound traffic using tools like Wireshark, tcpdump, ntopng, or similar.Identify abnormal traffic patterns, DDoS attempts, bots, and unauthorized access probes.Generate and maintain traffic reports for capacity planning and incident review.Security Blocking & Threat Prevention Configure and maintain firewall rules (iptables, UFW, AWS Security Groups, WAF) to block malicious IPs, bots, and unwanted traffic.Implement fail2ban, rate limiting, and geo-blocking as required.Set up and manage Intrusion Detection / Prevention Systems (IDS/IPS) such as Snort or Suricata.Security Patching & Hardening Apply OS-level and application-level security patches on a scheduled and emergency basis.Harden Linux and Windows servers following CIS Benchmarks and industry best practices.Conduct regular vulnerability scans and remediate findings promptly.Cloud & Linux/Windows Infrastructure (AWS) Provision, configure, and manage AWS services: EC2, S3, RDS, VPC, Route 53, CloudFront, IAM, ALB, and Auto Scaling Groups.Administer both Linux (Ubuntu, CentOS, Debian) and Windows Server environments.Design and maintain highly available, fault-tolerant architectures across cloud and on-prem.Control Panel Administration cPanel & Plesk Create and manage hosting accounts, DNS zones, email, FTP, and databases via cPanel/WHM.Administer Plesk for multi-tenant web hosting environments including SSL provisioning and DNS management.Troubleshoot hosting issues including PHP version mismatches, email deliverability, and SSL renewals.Bare-bone VPS Setup (Hostinger, HostGator, etc.) Provision fresh Linux VPS instances from scratch install and configure web servers (Nginx, Apache, Caddy), databases (MySQL, PostgreSQL), and runtimes (Node.js, PHP, Python).Set up SSH hardening, swap space, UFW firewall, and automated backups on bare VPS environments.Configure reverse proxies and SSL using Caddy or Certbot/Let's Encrypt.Application Hosting Multi-Stack Deployments Deploy and maintain projects across diverse stacks: HTML/CSS static sites, React (SPA/SSR), Node.js/Express APIs, PHP, and Laravel applications.Manage PM2 process management for Node.js services with cluster mode, log rotation, and startup scripts.Configure Docker and Docker Compose for containerized deployments where applicable.Handle build pipelines and CI/CD workflows (GitHub Actions, GitLab CI) for automated deployments.Scaling & Resource Optimization Scale server resources (vertical and horizontal) based on traffic and performance metrics without application downtime.Set up AWS Auto Scaling, load balancers, and CDN configurations for high-traffic scenarios.Monitor CPU, RAM, disk I/O, and network utilization using tools like Netdata, Prometheus, Grafana, or CloudWatch; take corrective action proactively.Employee Machine Setup & Endpoint Monitoring Set up developer and non-developer machines with required tooling, including IDEs, VPNs, and company software.Deploy and configure endpoint monitoring and control solutions (e.g., OpenDLP, OSSEC, ManageEngine, or equivalent) to track activity, enforce policies, and detect unauthorized actions.Maintain device management policies and ensure compliance across all employee endpoints.Required Skills & Qualifications Must-Have Technical Skills Linux administration (Ubuntu / Debian / CentOS) 3+ years hands-onWindows Server administration (Active Directory, IIS, Group Policy)AWS EC2, S3, VPC, IAM, Route 53, CloudFront, RDS, ALB, Auto ScalingFirewall management: iptables, UFW, AWS Security GroupscPanel / WHM account management, DNS, email, SSLPlesk domain management, web hosting administrationNginx and/or Apache and/or Caddy web server configurationDocker & Docker Compose for containerized workloadsPM2 process manager for Node.js applicationsCI/CD pipelines GitHub Actions, GitLab CI, or similarSSL/TLS setup Let's Encrypt, Certbot, Caddy auto-HTTPSShell scripting (Bash) for automation and server provisioningTraffic analysis tools Wireshark, tcpdump, or ntopngSecurity tools fail2ban, Snort/Suricata, vulnerability scannersNice-to-Have Skills Experience with Terraform or Ansible for Job Descriptio