Position: Senior Linux System Administrator – L3
Industry/Domain: Fintech – Payment Gateway
Location: Mumbai (Goregaon, WFO)
Experience: 10–12 years (Linux L3)
Education: Graduate/BE/B.Tech/BCA/MCA/BSc (any discipline)

Role Summary:

Looking for a Senior Linux Administrator with strong hands-on expertise in solution design, deployment, configuration, and management of Data Centre IT infrastructure. The role involves technical leadership, project management, and team handling.

Key Responsibilities:

* Linux server installation, administration, performance optimization (RedHat/CentOS).
* Set up and manage Apache, Nginx, Tomcat, HAProxy, Keepalived, Squid, Prometheus/Grafana.
* Incident handling (L3 – P1/P2 issues), root cause analysis, documentation, and training.
* Automation tools (Ansible/Puppet/Terraform), container platforms (OpenShift/Kubernetes).
* Vulnerability management, patching, audits (ISO27001, PCI-DSS).
* Cloud exposure: AWS (EC2, VPC, Load Balancer, Route53).
* Networking concepts: Firewalls, VPN, SSL, Load Balancers, IPS/IDS.
* Team management, vendor coordination, and project delivery.

Skills Required:

* Strong Linux/UNIX administration (L3 level).
* Automation & scripting (Shell, Python, YAML).
* Middleware & open-source tools.
* Excellent communication & leadership qualities.