Senior Linux Administrator

Ensures availability and scalability of technology platforms in collaboration with internal and external teams to meet the current and future business needs in line with prescribed IT measures and ISAs adopted policies and procedures

Core Linux Administration Skills

Administer, monitor, and support Linux servers (RHEL-based systems – versions 6/7/8/9) across Production, Staging, and DR environments.
Perform OS installation, system hardening, patching, upgrades, and vulnerability remediation.
Manage file systems, LVM, RAID, multipathing, and conduct performance tuning and capacity planning.
Hands-on experience with package management systems such as RPM, YUM/DNF, APT, and DPKG.
Strong understanding of Linux networking concepts including TCP/IP, DNS, DHCP, routing, and firewalls.
Strong hands-on experience with load balancers, especially HAProxy and Nginx.
Experience managing web servers such as Apache and Nginx.

Automation & Infrastructure as Code (Highly Emphasized)

Strong automation experience using Ansible for configuration management and orchestration.
Hands-on expertise in Terraformfor Infrastructure as Code (IaC), provisioning, and lifecycle management.
Advanced scripting skills in Bash and Python to automate operational tasks and improve system reliability.

Virtualization & Cloud

Support and manage virtualization platforms including VMware, KVM, and Proxmox.
Manage and support cloud infrastructure services including EC2 Instances, Load Balancers, VPC, S3, IAM, and DNS.
Assist with cloud migrations, disaster recovery planning, and hybrid infrastructure design.

Monitoring & Logging

Experience with enterprise monitoring and observability tools including Datadog.
Hands-on experience with metrics visualization using Grafana.
Knowledge of time-series monitoring using Prometheus.
Experience implementing infrastructure and service monitoring using Zabbix.
Exposure to application performance monitoring tools such as Dynatrace.

Containerization & Orchestration

Proficiency with container technologies such as Docker and Podman in Linux environments.

Operations & Incident Management

Act as Level 3 support for complex Linux, automation, and infrastructure-related issues.
Participate in incident handling, root cause analysis (RCA), and preventive action planning.
Ensure SLA compliance and high availability for mission-critical airline applications.
Provide on-call and shift support as per operational requirements. 

RHCSA / RHCE Linux certification is preferred.
Cloud certifications such as AWS, OCI, Azure, or GCP are an added advantage. 
Fluent in English Language

8 to 10 years in IT Infrastructure design and management 24x7 critical operations preferably with Airlines

IAC(Ansible, Terraform), Cloud experience (OCI/AWS/Azure), Load balancer(Nginix/HAProxy)

Working experience in implementation of infrastructure projects solution designs and architecture

Holistic IT Knowledge in heterogeneous technology environments experience with different types of end to end technology stacks

Operations and management of technology platforms,both internally and externally hosted
Hands on technical leadership technical solution design and architecture
Proven skills in analyzing data identifying pitfalls and recommending cost effective solution

Capable of conducting cost benefit analysis for IT investments
Cost oriented possesses effective problem solving and decision making skills
Employs technical expertise and interpersonal relations to execute new initiatives and achieve companys objectives 
Demonstrates the ability to contribute and successfully deliver against business strategy and set KPIs