Senior DevOps Engineer - Unix/ AWS (4-8 yrs) Candidates from product based company only Exp: 4 - 8 years - Linux: 4 or more years in Unix systems engineering with experience in Red Hat Linux, Centos or Ubuntu. - AWS: Working experience and good understanding of the AWS environment, including VPC, EC2, EBS, S3, RDS, SQS, Cloud Formation, Lambda and Redshift. - DevOps: Experience with DevOps automation - Orchestration/Configuration Management and CI/CD tools (Ansible, Chef, Puppet, Jenkins, etc.). Puppet and Ansible experience a strong plus. - Programming: Experience programming with Python, Bash, REST APIs, and JSON encoding. - Version Control: Nice to have Git experience. - Testing: Be very familiar with CI / CD, good in scripting like Phyton, Unix etc - Security: Experience implementing role based security, including AD integration, security policies, and auditing in a Linux/Hadoop/AWS environment. - Monitoring: Hands on experience with monitoring tools such as AWS CloudWatch, Nagios or Splunk. - Backup/Recovery: Experience with the design and implementation of big data backup/recovery solutions. - Networking: Working knowledge of TCP/IP networking, SMTP, HTTP, load balancers (ELB, HAProxy) and high availability architecture. - Ability to keep systems running at peak performance, upgrade operating system, patches, and version upgrades as required - Implementation of Auto Scaling for instances under ELB using ELB Health Checks. - Work experience on S3 bucket. - IAM and its policy management to restrict users to particular AWS Resources. - Strong ability to troubleshoot any issues generated while building, deploying and in production support - Experience in Performance tuning, garbage management and memory leaks, networking and information security, IO monitoring and analysis. - Experience on resolving escalated tickets, performance problems and creating Root Cause Analysis (RCA) document on Severity 1 issues. - Achieved disaster recovery implementations and participated in 24/7 on call rotation policy with other team members.