Senior Linux Administrator & AWS Cloud Engineer

Company Profile:
Founded in 1976 CGI is among the largest independent IT and business consulting services firms in the world. With 94000 consultants and professionals across the globe CGI delivers an end-to-end portfolio of capabilities from strategic IT and business consulting to systems integration managed IT and business process services and intellectual property solutions. CGI works with clients through a local relationship model complemented by a global delivery network that helps clients digitally transform their organizations and accelerate results. CGI Fiscal 2024 reported revenue is CA$14.68 billion and CGI shares are listed on the TSX (GIB.A) and the NYSE (GIB). Learn more at .

Job Title: Linux Admin & AWS Cloud Engineer
Position: SSE/LA
Experience: 8-10 years
Category: Software Development/ Engineering
Shift: 5:30 PM to 2:30 AM IST
Main location: Bangalore Hyderabad Chennai
Position ID: J0826-2064
Employment Type: Full Time
Education Qualification: Bachelors degree in Computer Science or related field or higher with minimum 08 years of relevant experience.

Position Overview
We are seeking a highly experienced and proactive Senior Linux Administrator & AWS Cloud Engineer with 8 to 10 years of hands on technical experience to join our IT Infrastructure this role you will be responsible for designing deploying configuring maintaining and optimizing enterprise grade Linux servers and AWS cloud infrastructure.
The ideal candidate possesses deep expertise in Linux operating systems (Red Hat Enterprise Linux CentOS Ubuntu) robust cloud management skills in Amazon Web Services (AWS) and strong capabilities in automation Infrastructure as Code (IaC) performance tuning security hardening and high availability operations.

Key Responsibilities
1. Linux System Administration & Engineering

. Provision configure and maintain Linux enterprise environments (RHEL CentOS Rocky Linux Ubuntu Server).
. Perform advanced system administration tasks including OS upgrades patch management kernel tuning user access management and package management (yum dnf apt).
. Manage storage subsystems including Logical Volume Management (LVM) SAN/NAS mounts NFS and file system maintenance.
. Troubleshooting complex operating system hardware networking and application performance issues.

2. AWS Cloud Infrastructure Management

. Architect build and manage scalable reliable and secure infrastructure on AWS.
. Operate core AWS services including EC2 VPC S3 IAM EBS EFS Route 53 CloudWatch CloudTrail ALB/NLB Auto Scaling Groups RDS and ElastiCache.
. Manage containerized workloads using Docker and AWS container services (ECS / EKS).
. Implement cost optimization and resource usage strategies (Savings Plans Reserved Instances right sizing).

3. Automation & Infrastructure as Code (IaC)

. Automate infrastructure provisioning configuration and deployments using Terraform CloudFormation and Ansible.
. Write and maintain robust shell scripts (Bash) and Python scripts for system monitoring task automation and maintenance routines.
. Build and integrate deployment pipelines using CI/CD tools (Jenkins GitLab CI GitHub Actions).

4. Security Compliance & System Hardening

. Enforce enterprise security standards CIS benchmarks vulnerability scanning and OS hardening procedures.
. Manage AWS Identity and Access Management (IAM) role policies security groups network ACLs and SSL/TLS certificate lifecycle.
. Participate in internal and external audit compliance processes (SOC 2 ISO 27001 HIPAA or PCI DSS).

5. Operations High Availability & Disaster Recovery

. Ensure system reliability uptime and high availability across multi AZ AWS environments.
. Design test and execute Backup and Disaster Recovery (DR) strategies.
. Monitor system metrics setup automated alerts and respond to critical system incidents.
. Serve as a senior technical escalation point and participate in an on call rotation schedule.


Required Qualifications & Technical Skills

. Experience: 810 years of dedicated experience in Linux System Administration with at least 4 years of hands on experience managing production AWS environments.
. Linux OS Expertise: Strong proficiency with RHEL / CentOS / Ubuntu command line utilities systemd boot sequences and kernel diagnostics.
. AWS Expertise: Proven track record in managing enterprise AWS architectures networking (VPC peering Transit Gateway VPNs) and IAM governance.
. Configuration Management & IaC: Hands on experience with Terraform and Ansible for environment provisioning and configuration.
. Scripting: Proficiency in Bash and Python for automation.
. Networking & Security: Solid understanding of TCP/IP DNS DHCP SSH Firewalld/IPTables VPN SSL/TLS load balancing and routing.
. Database Administration Support: Experience supporting Linux based database servers (PostgreSQL MySQL MongoDB or Oracle).
. Education: Bachelors degree in Computer Science Information Technology System Engineering or equivalent practical experience.


Preferred Certifications & Plus Points

. AWS Certifications: AWS Certified Solutions Architect Associate or Professional AWS Certified SysOps Administrator Associate AWS Certified DevOps Engineer Professional
. Linux Certifications: Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
. Experience with: Kubernetes / EKS administration Monitoring platforms like Prometheus Grafana Datadog or New Relic Infrastructure compliance frameworks

• Amazon Web Services Cloud
• English
• Linux
• Red Hat
• Python
• Terraform

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