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Click here or scroll down to respond to this candidate Candidate's Name
Sr. Linux Engneer/Openshift/Devops EngineerEmail: EMAIL AVAILABLEMobile: PHONE NUMBER AVAILABLELinux &Unix Engineer with over 14+ years of experience specializing in Cloud Solutions and Unix/Linux Systems. Proven expertise with Software Configuration Management (SCM), and Automation. Skilled in installing, upgrading, and configuring Red Hat Linux (5x, 6x, 7x & 8x) and other Linux flavors (CentOS, Ubuntu, SUSE, Debain), Implemented and Managed Red Hat IdM Solutions and Developed Custom IdM Policies.Expertise in cloud solution design, and deployment on AWS & Azure. Adept at crafting DevOps strategies for mixed environments of Linux servers (RHEL, CentOS, Ubuntu, SUSE, Debain), Windows, and various cloud services, including Amazon Web Services (AWS) and MS Azure. Installed, upgraded, and configured Red Hat Linux 6x, 7x & 8x using Kickstart Server, RedHat Satellite, and Interactive Installation.over 8 years of expertise in designing, deploying and managing containerized applications using Red Hat OpenShift and Kubernetes, CI/CD pipelines, cloud-native architectures and on-premises. Proficient in Linux Utilities: KICKSTART, SSH, FTP, AUTOFS, Quota Management, User Management (ldap), Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management. Expertise in file system concepts like LVM, SVM, VxVM. Creating new file systems, increasing and decreasing file systems, mounting, un-mounting file systems and troubleshooting disk space issues and proficient in SAN / NAS technologies. Experience working in NFS/NAS, Storage Area Networks (SAN), SSA disk storage environment. Extensively performed SAN Migration. Expert in ESXi servers using the vSphere client and Vcenter for managing the multiple ESXi servers and performing the VMotion. Worked on Creating, Upgrading and Maintaining user accounts, profiles, security, rights, disk space and process monitoring. Ability to build deployment, build scripts and automated solutions using shell scripting and Python. Experience in writing Shell scripts using ksh, bash, perl, for process automation of databases, applications, backup and scheduling to Proficient in version control systems, including GIT, Bitbucket, and SVN, using source code management client tools such as GitHub, Git GUI, and command line applications. Experience in writing Ansible playbooks, created custom playbooks written in YAML, encrypted the data using Ansible Vault and maintained role-based access control by using Ansible Tower to manage web applications, Environment s configuration files, Users, Mountpoints and Packages Performed system upgrades, patches, and updates using Red Hat Satellite or YUM package manager to ensure system security and stability. Extensive experience in Python programming, with expertise in developing scalable and efficient solutions. Designed and configured Linux images to include required packages, libraries, configurations, and security hardening measures to meet project requirements and compliance standards. Proficient in core Python concepts such as data structures, algorithms, object-oriented programming, and functional programming. Experience with configuration management tools like Ansible or Chef for automating server provisioning, configuration, and maintenance tasks. Wrote Ansible playbooks in Python to manage infrastructure configuration, software deployments, and application dependencies. Demonstrated expertise in conducting capacity planning activities to ensure IT infrastructure resources meet current and future business demands efficiently. Developed comprehensive capacity reports and dashboards to communicate insights, trends, and recommendations to stakeholders and decision-makers. Proactively identified opportunities for process improvement and automation to enhance capacity management practices and streamline operations. Provided training and documentation to internal teams on capacity management best practices, tools, and processes to build organizational capacity management capabilities. Operating Systems: Linux (SUSE, Red Hat, CentOS, Ubuntu, Oracle Linux (OEL)), Unix, Solaris Cloud Platforms: AWS, Azure, vRo and vRa Configuration Management: Ansible, Puppet, Chef CI/CD Tools: Jenkins, GitLab CI/CD, CircleCI Containerization: Docker, Kubernetes, OpenShift Infrastructure as Code: Terraform, CloudFormation Scripting Languages: Bash, Python, Perl, Shell, Groovy Monitoring and capacity management tools: Nagios, Prometheus, Grafana, Zabbix, Splunk Database Management: MySQL, PostgreSQL, MongoDB, Couchbase Networking: TCP/IP, DNS, DHCP, VPN, Firewall Red Hat Certified System Administrator Certification Number: 150-220-515 Red Hat Certified Engineer Certification Number: 150-220-515 AWS Certified Solution Architect Associate-validation number: FJXDYGB2SMFE1FKK Microsoft Certified: Azure Fundamentals - Certification Number: I392-8747 Microsoft Certified: Azure Administrator Associate - Certification Number: I393-3146 Kubernetes Certified Administrator: LF-yx9b7ppoetDeloitte | Senior Linux/Cloud engineer May 2023 Present Install and configure Red hat Linux (7x & 8x) on VMs and physical hardware. Designed and configured Linux images to include required packages, libraries, configurations, and security hardening measures to meet project requirements and compliance standards. Automated the Linux image building process using infrastructure-as-code (IaC) tools like Terraform or Ansible, ensuring consistency, repeatability, and version control. Optimized Linux image size and performance by minimizing unnecessary dependencies, removing unused packages, and optimizing filesystem layout and partitioning. Deployed and managed multiple OpenShift clusters across on-premises and cloud environments (AWS, Azure). Implemented CI/CD pipelines using Jenkins and OpenShift Pipelines, achieving reduction in deployment times. Implemented and Managed Red Hat IdM Solutions Deployed and configured Red Hat Identity Management (IdM) for centralized authentication, authorization, and account information management in enterprise environments. User and Group Management Administered user and group management through Red Hat IdM, including creating, modifying, and deleting user accounts and groups, and managing user roles and permissions. Configured and maintained RBAC, network policies, and integrated SSO solutions like OAuth and OpenID Connect to enhance security. Tuned Linux image configurations for improved runtime performance, scalability, and resource efficiency in virtualized, containerized, or cloud environments. Documented Linux image building processes, procedures, and best practices, providing clear and concise documentation for team members and stakeholders. User management, Linux file system management, Monitoring, problem determination and Root Cause Analysis. Successfully deployed and managed a large-scale OpenStack environment, supporting hundreds of virtual machines and multiple projects Planned and executed OpenStack upgrades, ensuring minimal downtime and disruption. Applied security patches and updates to keep the OpenStack environment secure and up-to-date. Manage OS network (ping, ifconfig, netstat, tcpdump, networking config files).
Perform system updates and install required repos using (rpm, yum dnf). Manage server updates and agents. Installation, maintenance, and configuration of network services (DNS, DHCP, SMTP, NTP etc.) Configuring and monitoring of servers such as Samba, NFS and FTP on RedHat Linux. Red hat Linux OS Patch\Change\Incident Management, Vulnerability Remediation on production/Pre-Prod/Dev Servers via automation bash scripts and Manual OS patching across the globe custmers. Red hat Linux os based resolving Incidents within agreed terms. 24x7 on call support. Monitoring Disk/network/cpu/mysql/apache/user activities using bash scripts via email alerts. Working on monitoring tools like Zabbix & Nagios. Installing, configuring, and maintaining Apache HTTP Server and Tomcat instances on Linux or Windows environments. Managing virtual hosts, SSL/TLS certificates, and reverse proxy configurations in Apache HTTP Server. Deploying Java web applications to Apache Tomcat containers, ensuring compatibility and optimal performance. Monitoring server health, analyzing access logs, and diagnosing performance issues to ensure high availability and reliability. Implementing security best practices, including access control, firewall configurations, and vulnerability patching. Collaborating with development teams to troubleshoot application issues and optimize server configurations for specific workloads. Working with cloud environment AWS to Migration of Linux VMs, DBs, and Applications from VMware. Managed instances on AWS environment and data centers, working with EC2, CloudWatch, Elasticsearch, and security groups. Managed user accounts (IAM), RDS, Route 53, VPC, RDB, DynamoDB, and SNS services in AWS cloud. Installed application on AWS Linux EC2 instances and configured the storage on S3 buckets. Provided training and documentation to internal teams on capacity management best practices, tools, and processes to build organizational capacity management capabilities. Successfully migrated legacy Java web applications to modern Apache Tomcat environments, improving performance, scalability, and reliability. Implemented automated deployment pipelines and monitoring solutions, reducing deployment time and enhancing system visibility. Deployed and Configured OpenStack Environments Installed and managed OpenStack clouds, including configuring core services like Nova, Neutron, Cinder, Glance, and Keystone for compute, networking, storage, and identity management. Integrated OpenStack with External Systems Integrated OpenStack with external systems and services such as LDAP directories for authentication, and various storage solutions for enhanced functionality and scalability. Managed OpenStack Resources Administered OpenStack resources including instances, volumes, networks, and images, and optimized resource utilization for cost efficiency and performance. Resolved critical performance issues and memory leaks in Apache Tomcat configurations, resulting in improved application responsiveness and user experience. Received recognition for maintaining high server uptime and availability through proactive monitoring, preventive maintenance, and rapid incident response. Configured and maintained Apache HTTP servers for hosting multiple websites and applications. Implemented virtual hosts to manage multiple domains and subdomains on a single Apache instance. Optimized Apache performance through configuration tweaks, module management, and load balancing. Set up and managed SSL/TLS certificates on Apache to secure web traffic. Integrated Apache with backend applications using reverse proxy configurations and load balancers. Implemented security best practices by configuring firewall rules, securing Apache directories, and managing user permissions. Automated routine Apache tasks (e.g., log rotation, service restarts) using shell scripts and cron jobs. Monitored Apache server performance and uptime using tools like Nagios, Prometheus, and custom scripts. Integrated Apache, Nginx, and MySQL to support full stack web applications, ensuring seamless communication and performance. Migrated web applications and databases from on-premises environments to cloud platforms (AWS, Azure, GCP). Implemented CI/CD pipelines for deploying web applications and database changes using Jenkins, GitLab CI, or similar tools. Developed and maintained infrastructure as code (IaC) scripts using Terraform, Ansible, and Docker for environment consistency. Provided troubleshooting and support for web and database servers, resolving issues related to performance, security, and application errors. Conducted performance tuning for Apache and Nginx by analyzing logs, monitoring server load, and optimizing configurations. Implemented caching strategies at the web server (Nginx) and application levels to enhance response times and reduce load. Analyzed slow queries in MySQL using tools like EXPLAIN, slow query log, and optimized them for better performance. Implemented security best practices across Apache, Nginx, and MySQL, including regular updates, patch management, and vulnerability assessments. Developed and tested backup and disaster recovery plans for Apache, Nginx, and MySQL servers.CSG international | Senior Linux/Unix engineer Oct 2021 - April 2023 Administered RedHat based Linux systems in both production and non-production environments.
Developed system administration operations documentation in consultation with team members. Provided ongoing and continuous process improvements to reduce manual tasks and increase automation e.g. created scripts for performance monitoring and storage monitoring/provisioning. Daily Linux system monitoring, reviewing system and application logs. Participated in the design of development, test, staging, and production environments running in a 24x7 mission-critical environment. Deployed and managed multiple OpenShift clusters across on-premises and cloud environments. Participated in the development and testing of disaster recovery procedures and operations. Tuned system parameters and configuration to conform with application requirements and for performance reasons. Configured and managed PAM on Red Hat Enterprise Linux (RHEL) servers to control authentication policies. Developed and maintained custom PAM modules to meet specific authentication and authorization requirements. Integrated PAM with various authentication systems such as LDAP, Kerberos, and Active Directory for centralized authentication management. Implemented PAM policies to enforce strong password policies, including password complexity, expiration, and history. Configured multi-factor authentication (MFA) using PAM modules to enhance security. Managed user access controls through PAM to enforce least privilege principles and secure sensitive systems. Deployed Red Hat OpenStack Platform (RHOSP) using Red Hat OpenStack Director (TripleO) for automated installation and configuration. Configured core OpenStack services (Nova, Neutron, Cinder, Swift, Glance, and Keystone) for a multi-node environment. Successfully deployed and managed a robust Red Hat OpenStack Platform environment supporting multiple production applications. Performed regular updates and upgrades of OpenStack components using Red Hat Satellite and other Red Hat management tools. Integrated IdM with LDAP and Kerberos Configured and integrated Red Hat IdM with LDAP directories and Kerberos for secure authentication and single sign-on (SSO) solutions. Developed Custom IdM Policies Designed and implemented custom policies and access controls within Red Hat IdM to meet organizational security requirements and compliance standards. Troubleshot IdM Issues Diagnosed and resolved issues related to Red Hat IdM, including authentication failures, replication problems, and service outages. Troubleshoot file system issues, grub functions. conceive shell scripts for automating file systems administration and Cron Jobs for disk management, process management, and server reboots. Monitoring System Performance of Virtual servers, Memory and Swap Space using Nagios. Managing system storage resources and security by implementing LVM for disk utilization, logs alert and CPU utilization of Dev/Test/Prod environments. understanding of Linux internals, in the aspects Installation/configuration of physical and virtual servers, creating and managing user accounts, troubleshooting problems related to applications in Dev/Test/Prod Server environments, System Hardening, Monitoring, perform system patches for security, vulnerability assessment. Knowledgeable in Encryption with GPG generated keys and creating of self-signed certificates using Open SSL command to transfer very sensitive data from server to clients. Experience with Internet technologies and Proficient with Network Protocols such as DNS, NTP, TCP/IP, HTTP, FTP. Configuration of Static IP, DCHP and Iptables addressing. Install and maintain security patches on the operational and development system, which includes but is not limited to, Centos, Red Hat Linux Servers. Experience working with automated configuration management tools, like Chef and Ansible. Organize weekly status meetings with Team Members, System Owners, DBAs System Admins, giving Briefings on the systems including any SR for that week on my Assigned systems. Develop and maintain automated CI/CD pipelines for code deployment using Jenkins. Developed comprehensive capacity reports and dashboards to communicate insights, trends, and recommendations to stakeholders and decision-makers. Proactively identified opportunities for process improvement and automation to enhance capacity management practices and streamline operations. Developed Python scripts to automate the generation of SSL/TLS certificates using libraries such as cryptography and OpenSSL. Implemented certificate signing request (CSR) generation and certificate issuance processes to streamline certificate lifecycle management. Automated Operations with OpenStack Developed and maintained automation scripts and tools using Heat, Ansible, or other configuration management systems to streamline OpenStack operations and deployments. Enhanced Cloud Security Implemented security measures and best practices in OpenStack, including configuring security groups, managing roles and permissions, and securing communication channels between services. Automated the creation of self-signed certificates for development and testing environments. Implemented scripts to validate certificates, ensuring they meet organizational policies and security standards. Automated the verification of certificate chains and trust paths using Python libraries. Developed monitoring tools to detect and alert on expired or misconfigured certificates. Integrated certificate management automation into CI/CD pipelines using tools like Jenkins, GitLab CI, or GitHub Actions. Ensured seamless integration of certificate management tasks with existing DevOps workflows. Automated the deployment of certificates in containerized environments using Kubernetes secrets and configuration management tools.DR Technologies Inc. (Client - Johnson & Johnson) |Sr Infrastructure Automation Engineer
June 2019 - Sep 2021
Established continuous integration and continuous deployment (CI/CD) pipelines on AWS using AWS CodePipeline, AWS CodeBuild, and AWS CodeDeploy to automate software delivery and deployment processes. Implemented Git-based source control workflows using AWS CodeCommit or GitHub for version control and collaboration on infrastructure code and application code. Integrated AWS DevOps tools with third-party CI/CD tools such as Jenkins, GitLab CI/CD for end-to-end automation of software development and deployment workflows. Implemented AWS security best practices and compliance controls, including IAM (Identity and Access Management), AWS Organizations, AWS Key Management Service (KMS), and AWS CloudTrail for logging and auditing. Worked on Ansible for Orchestration of Deployments for various servers and managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, also involved in managing existing Tomcat, Webservers and automated the configuration of new servers. Worked on Jenkins pipeline for complete application deployment automation into Azure environment, this pipeline includes integration of GitHub, SonarQube, Aqua Scan, Nexus Repository and Azure. Designed strategies to develop Jenkins pipelines for different team application deployments. Introduced industry best standards in version controlling tools like GitHub and Jenkins.
Worked on SVN to migrate SVN repositories into GitHub. Written custom shell script to migrate SVN repositories into GitHub.
Worked on developing scripts written in Python, and Shell for multiple tasks automation within the Jenkins
pipeline. Experience developing and documenting best practices in developing and deploying Dynatrace.Worked on Setting up Chef Infra, writing chef recipes to automate infrastructure on target environment to deploy applications. Setting up the Chef master, workstation and bootstrapping new infrastructure by applying roles against it, these roles consist of step-by-step tasks to perform.
EBS-Minds Inc. (Client - Johnson & Johnson) | Infrastructure Linux Engineer April 2016 May 2019 Building Linux VM s. Physical server build on HP blades such as Proliant BL 460 G7, Gen8/9, standalones such as DL 360p Gen8. Servers decommission. Writing puppet manifests for configuration management. Monitor server alerts from Zabbix monitoring systems and perform triage. Prepare and participate in disaster recovery test (BCP) events. Server patching using Red Hat Satellite and Spacewalk. On call escalation point for issues on weekdays and weekends. FS administration, package administration. Handle routine incident tickets, general issues and change management tickets. Track issues and manage projects using JIRA. User administration - NIS, LDAP and local accounts. Conduct daily FIM audits for PCI class servers. Rectify audit kickbacks based on PCI audit reports. Use BMC Blade logic for automation and standardization of environment. Automation using bash and perl scripting. Preparation of runbooks. CSG international | Senior System Administrator Jan 2015 - April 2016 Liaising with architects, database, and application teams to assess server requirements and specifications. Building Linux VM s. Physical servers build on HP blades such as ProLiant BL 460 G7, Gen8/9, standalones such as DL 360p Gen8. Server decommission. Writing puppet manifests for configuration management. Monitor server alerts from Zabbix monitoring systems and perform triage. Prepare and participate in disaster recovery test (BCP) events. Configured Red Hat Satellite and Spacewalk master and capsule environments. Server patching using Red Hat Satellite and Spacewalk. On call escalation point for issues on weekdays and weekends. FS administration, package administration. Handle routine incident tickets, general issues and change management tickets. User administration - NIS, LDAP, and local accounts. Conduct daily FIM audits for PCI class servers. Rectify audit kickbacks based on PCI audit reports. Used BMC BladeLogic for automation and standardization of environment. Automation using bash and Perl scripting. Preparation of runbooks. Creating artifact documents through the source code and internal deployment in Nexus repository. Implemented Disaster recovery project using various DevOps automation for CI/CD. Worked on Setting up Chef Infra, writing chef recipes to automate infrastructure on target environment to deploy applications. Setting up the Chef master, workstation and bootstrapping new infrastructure by applying roles against it, these roles consist of step-by-step tasks to perform. Prepared comprehensive runbooks, ensuring clear documentation of operational procedures for effective and streamlined execution. Applied hands-on expertise in Security Testing and Performance Testing, utilizing tools such as JMeter to assess and enhance the security and performance aspects of applications.ITC InfoTech Ltd | Systems Engineer Jan 2012 - Dec 2014 Executed Kernel upgrades on Linux systems and configured printers using CUPS and IPP features. Demonstrated proficiency in Security, Firewall, VPN technologies, and related software. Implemented DHCP and DNS, including TCP/IP installation and configuration, and utilized TCP wrappers in heterogeneous network environments. Executed ACLs (Setfacl, Getfacl), managed UNIX shell, and handled file system permissions. Set up automatic installation and configuration of new servers and workstations using Kickstart. Implemented Samba and FTP services across heterogeneous platforms. Administered Red Hat Linux Servers, handled user administration, and managed package upgrades using YUM and RPM utilities. Monitored production servers using OS watcher and collaborated with globally distributed technical support and design teams. Managed backup and restore operations using utilities like tar, cpio, and dump. Controlled Linux boot processes and boot time services using chkconfig commands. Administered file systems, NFS, and implemented sudo administration for Onsite DBAs. Implemented Send mail services for relaying mails from application and database servers. Proficient in VMware ESXi 4.0 and 5.0, created and managed VMs, and implemented storage using NETAPP. Managed LUNs and performed OS health checks for production and non-production servers. Resolved system issues, provided solutions, and participated in client audits. Installed NTP services, kernel parameters, and PAM modules, ensuring support for Oracle Management Pack. Validated packages for production servers, worked on ISCSI and multipath services. Actively participated in internal meetings and maintenance for client outages. Resolved Read-Only file system issues, addressed system performance using monitoring tools. Implemented ACLs on OS file systems and maintained up-to-date technical documentation. Provided detailed reporting on the status of trouble tickets and build projects through defined processes. Infinite computer solutions | Linux Engineer Jan 2008 - Dec 2011 Provided comprehensive support for a diverse client base, addressing a full range of production issues on Linux servers while coordinating with development teams. Collaborated closely with globally distributed technical support and engineering design teams to ensure effective problem resolution. Managed networking problems on approximately 200 Linux servers for users in Sapeare, coordinating with system administrators. Maintained up-to-date knowledge of current software/hardware requirements and adhered to controlled standards for documentation, including project plans and status reports. Conducted network-based installations (HTTP/NFS/FTP) and configured Red Hat servers. Utilized monitoring tools such as Nagios, OsSec, free, top, and Webalizer. Implemented Oracle Management Service packs and administered Red Hat Linux servers through Kickstart. Demonstrated proficiency in Linux (kernel 2.6) flavors like Red Hat. Administered file system and user administration on Windows server platforms. Applied hands-on experience in implementing Linux in Software Development/ISP environments. Implemented firewall policies using iptables, NAT, and Selinux. Addressed information security issues, conducted vulnerability assessments, and managed intrusion detection. Implemented digital certificates using OpenSSL for website security. Experienced in kernel recompilation and Kernel upgrades on Red Hat Linux. Configured printers with CUPS to support IPP features. Applied knowledge of Security, Encryption, Firewall, VPN technologies, and related software. Implemented DHCP, DNS, TCP/IP installation, and configuration on different platforms in heterogeneous network environments. Executed ACLs (setfacl, getfacl), worked with UNIX shell, and managed file system permissions. Set up automatic installation and configuration of new servers and workstations using Kickstart. Installed, configured, and performed user administration and maintenance of Red Hat Linux Servers. Demonstrated expertise in creating virtualization solutions.Completed B. Tech/2005 from JNTU, Hyderabad.
I do hereby declare that the above statement given by me is true to the best of my knowledge and belief and I look for a chance to prove my competence. Candidate's Name
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