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Ashritha - Linux Admin

[email protected]

Location: Dallas, Texas, USA

Relocation: Yes

Visa: H1B

Resume file: Ashritha Linux System Eng_1776268495550.docx Please check the file(s) for viruses. Files are checked manually and then made available for download.

ASHRITHA Senior Linux Engineer and Ansible Email: [email protected] Phone: +1 972 924 5835 PROFESSIONAL SUMMARY: 14+ YEARS of experience in support and engineering of Linux, UNIX, and AIX servers. Experienced as a System Engineer/Administrator under the environment of RedHat Linux (RHEL) 5/6/7/8/9, IBM AIX 6/7, VMware 5/6/7 environment. Maintaining servers by managing packages using ansible playbook. Extensive expertise in Linux system administration, including user/group management, patching, performance tuning, kernel parameters, storage, and high availability clusters (VCS). Good knowledge of Azure administration things and Expertise in Azure update management and KQL. Performed day-to-day administration of Oracle Solaris 10/11 systems including user management, package updates, system monitoring, and performance tuning. Good understanding of Incident and Change management process (ITIL). Worked on Remedy on demand ticketing tool. Systems Administrator with expertise in Linux administration, Amazon Web Services (AWS) management, and automation using Ansible. Proficient in shell scripting (Bash), SFTP, FTPS, HTTP/s, and troubleshooting TCP/IP connectivity Successfully set up RedHat Satellite 6.9 and RedHat Satellite Capsule 6.9 from scratch and set up all the Life Cycle Environments, Content Views, activation keys, adding and synching the repositories from RedHat Portal. Registered all the Linux servers to RedHat Satellite Capsule. Monitoring and maintaining the syslog-ng service on Linux servers. Experienced with different Storage Designs such as Direct Attached Storage (DAS), Network Attached Storage (NAS) and Storage Area Network (SAN). Integrated Git with CI/CD pipelines for automated builds and deployments. Experience in installing, configuring, supporting, and troubleshooting Unix/Linux Networking services and protocols like NIS, LDAP, DNS, NFS, DHCP, FTP, SSH and SAMBA. Networking communication skills and protocols such as TCP/IP, Telnet, ftp, SSH, rlogin. I am proficient in Azure CI/CD pipelines, Bicep, PowerShell scripting, and automation. Skilled in infrastructure management, API/CLI scripting, and certificate management. Configured and administered VCS clusters, including resource groups, service groups, and cluster interconnects, to maintain optimal cluster performance and availability. Created Python-based cron jobs to monitor critical services and restart them automatically upon failure. Installed and configured various software packages and services, including Apache, Nginx, MySQL, Docker, and Kubernetes, on Red Hat and Amazon Linux distributions. Configured, deployed, and managed Citrix NetScaler ADC appliances for high availability and load balancing across enterprise applications. Successfully executed end-to-end upgrade of JBoss EAP from 7.1 to 7.4 across multiple Linux-based production environments, ensuring zero-downtime deployment for high-availability applications. Implemented Kubernetes clusters on AWS using EKS and managed scaling, networking, and storage configurations to optimize performance and cost efficiency. Managed and maintained OpenShift clusters for various applications, ensuring high availability and performance. Technical Summary: Operating Systems RedHat Linux 5/6/7/8/9 SUSE Linux, IBM AIX, Windows 2003/2008 R2/2012, Windows 10, 11 VMware 5/6/7. Networking Ethernet, IPv4, TCP/IP, NTP, Chrony, FTP, HTTP, HTTPS, DNS, DHCP, SSH, SMTP, NFS, Iptables, Firewall, F5 Load Balancers. Virtualization VMware vSphere 5.5, 6.0, (ESXi, vSphere Client, vCenter Server, Web Client). Languages: HTML, Shell Scripting (Bash, Ksh), Ansible Backup/Scripting EMC Networker Management Console, Bash, Cloud/Monitoring tools AWS, Azure Active Directory and Nagios for Monitoring. Third Party tools Service Now, Remedy, Jira. Database Technologies SQL, Azure SQL, Database connectivity, Authentication Other tools MS-Office (MS-Excel, MS-Project 2013, MS-PowerPoint), Visual Studio 2013, QlikView (Reporting), Azure DevOps Services, GitHub Actions, Puppet Project Summary: Senior Linux Engineer /Administrator Feb 2025 Till date Procter & Gamble (P&G), TX Description: Procter & Gamble (P&G) is a multinational consumer goods corporation, founded in 1837, that manufactures and markets a wide range of products across various categories like beauty, grooming, health care, and home care. P&G is known for its strong portfolio of well-known brands, including Tide, Pampers, Gillette, Ariel, and Head & Shoulders Responsibilities: Installed, configured, and maintained Red Hat Enterprise Linux (RHEL) and CentOS servers in production and development environments. Performed regular patching, security hardening, log management, and system performance tuning. Automated routine tasks and system updates using Bash scripting and cron jobs Developed Ansible playbooks to automate provisioning, application deployments, and security configurations. Managed server configurations using Puppet manifests and modules, reducing manual errors and improving consistency. Administered Solaris 11, including Zones, ZFS, Zpool creation, snapshots, clones, and storage health management. Worked with Veritas Volume Manager (VxVM) and Veritas Cluster Server (VCS) for high availability configurations and disaster recovery setups. Implemented identity and access management (IAM) policies using Keycloak to control user roles, permissions, and federation with external identity providers. Implemented Puppet hiera for separation of data and code, enabling cleaner and more secure configurations. Deployed and maintained Puppet master/agent architecture, including performance tuning and certificate management. Administered and maintained AWS infrastructure including EC2 instances, VPCs, subnets, security groups, and IAM roles to ensure secure and efficient cloud operations. Utilized Puppet Forge modules and contributed to internal module repositories to streamline common configuration tasks. Designed and implemented highly available and fault-tolerant architectures using AWS services such as ELB, Auto Scaling, and Route 53. Performed regular patching and system updates using Windows Server Update Services (WSUS) Environment: Linux, Ansible, Azure and AWS Cloud, Service Now, JIRA, Unix Shell Script, Azure Administration, Red Hat Enterprise Linux, Git bash, Git Hub, Puppet, Docker and Kubernetes . Senior Linux Engineer /Administrator July 2024 Jan 2025 Wells Fargo, TX Description: Wells Fargo & Company is an American multinational financial services company with a significant global presence. The company operates in 35 countries and serves over 70 million customers worldwide. It is a systemically important financial institution according to the Financial Stability Board. Responsibilities: Installed and configured Linux operating systems and managed Linux-based systems on the AWS platform. Collaborated with network, firewall, and system administrators to resolve connectivity issues and establish secure file transmission environments. Managed system backups, reviewed error logs, and monitored system performance to prevent slowdowns and disruptions. Assisted in the implementation of SFTP/FTPS-based solutions for secure file transfers across multiple platforms. Troubleshot network and FTP-related issues, ensuring smooth data transfer between systems. Automated system monitoring, log management, and alerting using tools like Nagios, Prometheus, and ELK stack for proactive issue detection and resolution. Configured JBoss in both standalone and domain modes, implementing clustering and load balancing using mod cluster and Apache HTTPD. Configured and managed Artifactory repositories (Maven, Docker, npm) to support build and deployment automation. Monitored system health and performance using prstat, vmstat, iostat, mpstat, sar, dtrace, and Solaris Enterprise Manager tools. Diagnosed and resolved kernel, filesystem, and hardware-related issues using logs, crash dumps, and observability tools. Configured security features such as SSL/TLS encryption, authentication, and authorization policies to secure message exchanges Configured and enforced IAM policies and roles to implement strict access controls and least privilege principles across AWS accounts. Developed CI/CD pipelines with Python scripting and GitHub Actions. Installed and configured various software packages and services, including Apache, Nginx, MySQL, Docker, and Kubernetes, on Red Hat and Amazon Linux distributions. Swap and memory management. Running different performance tools to assess the system performance and provide solutions accordingly. Configuring and managing NFS mounts. Environment: Linux, Ansible, Azure Cloud, Service Now, JIRA, Unix Shell Script, Azure Administration, Red Hat Enterprise Linux, Git bash, Git Hub. Senior Linux Engineer/Administrator Aug 2023 June 2024 HCSC, TX Description: Health Care Service Corporation, a Mutual Legal Reserve Company, (HCSC) is a member-owned health insurance company in the United States. HCSC was formerly known as Hospital Service Corporation and changed its name to Health Care Service Corporation in 1975. Responsibilities: Collaborated with DevOps and IT teams to streamline configuration management and cloud provisioning, ensuring seamless deployment processes. Set up and maintained Linux Satellite servers and deployment managers as needed for efficient system management. Experience with container-based deployments using Docker, working with Docker images, Docker Hub and Docker-registries and Kubernetes. Designed and deployed JBoss environments on AWS, leveraging services like EC2, VPC, ELB, IAM, and CloudWatch for monitoring and scalability. Developed Ansible playbooks for consistent configuration management and automated deployments of JBoss applications. Worked in close collaboration with cross-functional teams to ensure smooth operations across the organization. Managed day-to-day operations of the data center including monitoring, troubleshooting, and resolving issues related to power, cooling, and networking infrastructure. Installed and configured JBOSS application server for DEV, QA and prod systems. Experience in upgrading JBOSS EAP server from 7.1 to higher versions. Deploying the RHPAM Application on Jboss EAP servers. Perform daily duties of backups, maintenance on applications and OS, patching, tuning, scripting, automating tasks, and troubleshooting. Environment: Linux, Ansible, JBOSS EAP, RHPAM, Service Now, JIRA, Unix Shell Script, Azure Administration, Red Hat Enterprise Linux. Senior Linux Administrator NOV 2022 JUNE 2023 Wells Fargo, India Description: Wells Fargo & Company is an American multinational financial services company with a significant global presence. The company operates in 35 countries and serves over 70 million customers worldwide. It is a systemically important financial institution according to the Financial Stability Board.. Responsibilities: IT Project Management, Governance, Risk and Compliance, IT Risk Assessment, IT controls Testing. Vulnerability Management. Assisted in the configuration and management of continuous integration and delivery pipelines for automated deployment. Managed Linux-based systems, ensuring system stability, security, and optimal performance. Configured and maintained AWS resources such as EC2 instances, S3 storage, and other cloud services to support business operations. Implemented cleanup policies, access control, and replication strategies within Artifactory to optimize storage and ensure high availability. Wrote automated Python scripts to test network configurations and connectivity between Linux servers. Performed routine system maintenance and monitored logs to troubleshoot and resolve issues proactively. Assisted in license deployments and setup of infrastructure using a combination of manual processes and automation. Used PowerShell and Azure CLI for the scripting of deployment and automation processes, improving efficiency and reducing errors. Administered and managed OpenShift clusters for containerized applications, ensuring high availability, scalability, and disaster recovery across multiple environments. Environment: Linux, Ansible, OpenShift Administration, Service Now, JIRA, Unix Shell Script, Azure Administration, Red Hat Enterprise Linux, Git Hub. Linux Administrator OCT 2020 OCT 2022 Tata Consultancy services, India Description: The company provides premium pay television services, streaming services, television, feature film, home video, videogame production and distribution. It manages popular digital sites and family of streaming services such as HBO NOW, Warner Media Boomerang and DC Universe. Responsibilities: Hands on experience in configuring the Azure agents in On-premises Linux servers. Hands on experience on auto patch the servers from Azure update management. And scheduling the patching schedules in Azure. Hands-on experience on KQL (Kusto Query Language) and monitoring syslog-ng servers. Monitoring Linux servers from SCOM console and configuring the SCOM agents in server and discovering the servers in SCOM. Managing Server hardware alerts, creating sos report, coordinating with Redhat for any software or hardware issues, coordinating with vendors to replace faulty hardware. Configure yum repository, perform new package installation, updating, uninstall, kernel patching and troubleshooting issues after auto patching from Azure. Managing disk utilization, projecting space usage by applications, and allocating necessary space and work on CPU usage issues. Participated in troubleshooting and debugging of automated scripts and infrastructure components. Configure NTP server, fix NTP related issues. Handling system performance related issues like CPU load and Memory usage VMware tools installation and upgrade New allocated storage luns scanning, removal, pv replacements, configuring high availability (mirroring etc.,) using Linux native LVM. Environment: Linux RHEL6/7/8/9, AIX, Redhat Enterprise Linux, Service Now, Shell Scripting, Red hat Satellite server, Azure Administration, Azure KQL, SCOM,Ansible. Linux Administrator Nov 2011 Sep 2020 Srija Solutions Pvt Ltd, India Description: Srija Solutions Pvt. Ltd. is an IT Enabled service player from Hyderabad, India, offering services and solutions, aligning with the enterprise needs of global clientele from all world geographies. Responsibilities: Server builds using ISO image and network installation using kick-start. Expert in building new kick-start server from scratch. Troubleshooting server booting related issues, working on rescue mode, working filesystem consistency, and fixing fstab issues. Create and manage cron and at jobs. Writing shell scripts to automate system administration tasks. Configure yum repository, perform new package installation, updating, uninstall, kernel patching and troubleshooting issues after patching. Server commissioning/decommissioning process Create and administer users, groups, passwords, and login security controls. Install, upgrade ssh, generate ssh keys, configure ssh password less authentication for users and troubleshooting related to user login issues. Developed Python scripts to parse and analyze system logs (/var/log/) for anomaly detection and alerting. Managed packages using RPM/YUM on Red hat Linux and maintaining patching on Solaris servers. Managing File and directory level security, providing permissions to files/directory and group ownership. Configuring Access Control Lists for Files and directories. Setting up UID, SGID, Sticky bit etc., Setup desktop computers and peripherals and test network connections. Install and test desktop software applications and internet browsers. Environment: Linux, Redhat Linux, Unix Shell Scripting, Ansible, Service Now Education: Bachelor s in information technology in 2011 from JNTU. Certifications: REDHAT Certified System Administrator (RHCSA) Certification Number:210-218-590 REDHAT Certified Engineer (RHCE) Certification Number: 210-218-590 REDHAT Certified OpenShift Administrator(EX280) Certification Number: 210-218-590 Microsoft Certified Azure Administrator Associate (AZ-104) Certification Number: I033-2968 Keywords: continuous integration continuous deployment quality analyst access management sthree information technology ffive microsoft mississippi Arizona Texas