Build Tools

MAVEN, ANT, Gradle, MS Build.

Bug Tracking Tools

JIRA, Fisheye, Cucumber, confluence, IBM Clear Quest.

Version Control Tools

GIT/GITHUB, SVN, Bit Bucket, Team Foundation Server (TFS), Clear Case .

Automation container

Docker, Kubernetes, marathon and Mesos.

Continuous Integration

Jenkins/Hudson, bamboo, Team City, Build Forge, TFS Visual Studio Build.

Continuous Deployment

Puppet, Ansible ,Salt stack, and Chef.

Cloud services

Amazon Web Services (AWS),and Microsoft Azure EC2, RDS, VPC,S3, ROUTE53, SNS, SQS, Cloud front, EBS, ELB, CloudWatch, Lambda, Elastic beanstalk

Open Shift, OpenStack, and Cloud trail.

Monitoring tools

Nagios, Splunk, Elasticsearch, SonarQube, cloud watch and AppDynamics.

Operating Systems

RHEL (5.x, 6.x, 7x), SUSE Linux (9,10,11), Sun Solaris (9,10,11), CentOS 5,6, Windows 2003, 2008, VMware ESX (3.5,4.0).

Networking

TCP/IP,NIS+NFS,DNS,DHCP,WAN,SMTP,LAN,FTP/TFTP,TELNET, Firewalls.

Database Servers

Oracle 9i, 10g, MySQL, RDBMS, SPARQL, Mongo Db, Cassandra, SQL Server.

Web/Application Servers

WebLogic, WebSphere, JBoss, Apache Server, Apache Tomcat.

Scripting Languages

Bash/Shell scripting, Perl, Ruby, Python, YAML, Groovy.

Languages

C, C++, .NET, Java/J2EE,PHP.Golang.