Job Description – Linux & AWS Cloud Operations Engineer III
Experience: 5–7 Years | Level: Engineer III | Function: Cloud Operations / Infrastructure
Role Overview
We are looking for an experienced Linux & AWS Cloud Operations Engineer III with strong hands-on expertise in Linux administration, AWS infrastructure, networking, security, monitoring, automation, and production operations . The role will provide L2/L3 support for enterprise cloud environments and contribute to infrastructure transformation and continuous improvement.
Key Responsibilities
AWS Administration: Manage and support EC2, VPC, IAM, S3, EBS, ELB/ALB/NLB, Auto Scaling, Route 53, CloudWatch, RDS , and related AWS services.
Linux Administration: Administer RHEL, CentOS/Rocky Linux, and Ubuntu environments, including OS configuration, patching, upgrades, hardening, package management, users/permissions, filesystems, services, and performance management.
Production Support: Provide L2/L3 support, troubleshoot complex infrastructure issues, handle P1/P2 incidents, perform RCA, and ensure SLA compliance.
Linux Troubleshooting: Troubleshoot CPU, memory, disk, filesystem, process, kernel, service, boot, SSH, authentication, DNS, and network issues.
AWS Networking: Strong understanding of VPC, subnets, route tables, Security Groups, NACLs, NAT Gateway, Transit Gateway, VPN, DNS, and load balancing .
Security: Manage IAM, security groups, encryption, access controls, OS hardening, vulnerability remediation, and security patching.
Monitoring & Performance: Use CloudWatch, SolarWinds, or similar tools for monitoring, alerting, capacity planning, and proactive issue detection.
Backup & DR: Support AWS backups, snapshots, recovery, replication, and disaster recovery testing.
Automation: Develop scripts using Bash/Shell and Python and support automation using Terraform, CloudFormation, or Ansible .
Change & Incident Management: Execute production changes following ITIL processes, including risk assessment, implementation, validation, rollback, and change closure.
Documentation: Maintain SOPs, runbooks, architecture documentation, troubleshooting guides, and operational procedures.
Collaborate with Network, Security, Database, Application, DevOps, and Infrastructure teams and participate in 24x7/on-call support as required.
Required Skills
5–7 years of experience in Linux Administration, AWS Cloud Operations, or Infrastructure Engineering.
Strong hands-on experience with AWS and enterprise Linux .
Strong knowledge of Linux system administration, networking, storage, security, and performance troubleshooting .
Strong AWS knowledge covering EC2, VPC, IAM, S3, EBS, ELB, Auto Scaling, Route 53, CloudWatch, and RDS .
Strong understanding of TCP/IP, DNS, VPN, routing, NAT, firewalls, and load balancing .
Strong scripting skills in Shell/Bash and Python .
Experience with monitoring, incident/problem management, change management, RCA, backup, and DR.
Good understanding of cloud security and vulnerability management.
Preferred Skills
Terraform / CloudFormation / Ansible
AWS Systems Manager and Patch Manager
Docker / container technologies
CI/CD and DevOps practices
Git
AWS multi-account and hybrid environments
AWS or Linux certifications such as AWS Solutions Architect/SysOps/DevOps or RHCSA/RHCE
Experience with enterprise monitoring and security tools.
Key Success Criteria
Maintain high availability, security, and performance of AWS and Linux environments.
Resolve L2/L3 incidents within SLA and provide effective RCA.
Improve operational efficiency through automation and standardization.
Successfully execute production changes with appropriate validation and rollback plans.
Contribute to cloud modernization, security, monitoring, automation, and cost optimization initiatives.
About Us
From the day we opened our doors, MRI Software has built flexible, game-changing real estate software that powers thriving communities and helps make the world a better place to live, work and play.…