Pratush Sinha
Technical Lead
New Delhi
Summary
An enthusiastic Technical Lead and A DevOps professional with 6 years of experience in designing and implementing fully automated CI/CD pipelines, reducing deployment time by 50% and increasing deployment frequency by 75%. Skilled in infrastructure as code with Terraform, skilled in configuration management via Ansible , monitoring and alerting systems, and implementing security policies and procedures resulting in a 50% reduction in security incidents. Proven track record in reducing infrastructure costs by 40%.
Overview
18
18
years of professional experience
Work History
Technical Lead
Wipro HRSS Pvt.Ltd
4 2022 - Current
- Improved software development processes by introducing Agile methodologies and promoting cross-functional collaboration.
- Monitoring and managing infrastructure via cloudhwatch and New Relic , ensuring optimal performance, security, and scalability.
- Boosted team productivity by implementing automated testing frameworks that reduced manual testing efforts and increased overall code quality.
- Manage Infrastructure by using terraform code repository in code commit and trigger the pipeline as per project and application requirement. Modify/Create new instance, security group rule addition,Disk add via Terraform code.
- Working knowledge to create Ansible Playbook to automate the task like installation of required services on multiple services, Patching so set of servers, File transfer to multiple servers.
- Coordinated with cross-department teams like QA, DevOps, and Support to ensure seamless end-to-end software delivery process.
- Troubleshooting and resolving issues related to application development, deployment, and operations.
- Evaluated and recommended new tools and technologies that resulted in increased development efficiency and up-to-date technical skillsets within theteam.
- Implementing and maintaining version control systems, configuration management tools, and other DevOps-related technologies. such as Jenkins, Docker, Kubernetes.
- Strong problem-solving skills and the ability to work under pressure.
- Perform root cause analysis of production errors and resolve technical issues.
- Optimized resource allocation across multiple concurrent projects by closely tracking team capacity levels against project deadlines and milestones.
Deputy Manager
Parishram Resource Pvt.Ltd
2 2021 - 3 2022
- Managing team of 3 members and allocate the work to ensure 100% uptime, resolve their queries based on incidents and Service requests received from development/Business team.
- Provide production support of the application running on linux instances on AWS and also running on on-prem Linux servers
- Spearheaded critical projects from inception to completion, consistently meeting deadlines and exceeding expectations.
- Interaction with client to understand the project requirement with development team to build Infra and setup the required software's on AWS
- Manage Infrastructure by using terraform code repository in code commit and trigger the pipeline as per project and application requirement. Modify/Create new instance, security group rule addition,Disk add via Terraform code.
- Configure cloud-watch rule to send alert for the utilization of the instances
- As per project requirement create load balancer and enable auto-scaling and configure to work as per requirement by defining auto-scaling policies
- Create and configure automated AMI backup (Daily/Weekly/Monthly/Yearly) of the instances by lambda function
- Upgrade mysql and Postgresql rds instance
- Setup Auto start and shut down of ec2 instance and rds instance at scheduled time by using Lambda function and set cloud-watch event to trigger at scheduled time
- Working knowledge of Jenkins CI/CD pipeline to make task automation
- Working knowledge of configuration management tool Ansible to make automation task(Installation and Configuration of Apache, nginx and Tomcat servers on Linux ) and integrated with Jenkins to implement CI/CD pipeline
- Monitoring by using Nagios,New relic and cloud-watch.
- Reduced operational costs through effective negotiation with suppliers and vendors.
Sr. Linux Administrator
Dynpro India Pvt.Ltd
08.2020 - 02.2021
- Installation, Configuration and Troubleshooting of Redhat 6/7, Ubuntu and Centos
- Hands on experience using in Amazon Web Services (AWS) like EC2, IAM, RDS, ELB, EBS, S3, Cloud Watch, Cloud formation, Auto scaling, Lambda, VPC
- Maintained high availability of Linux servers through vigilant monitoring, preventive maintenance, and rapid issue resolution.
- Creating scripts for automation of backups for mysql, configuration file and web server
- Streamlined deployment processes for seamless integration of new applications and services into existing infrastructure.
- Conducted regular audits of deployed systems ensuring compliance with industry standards as well as internal policies.
- Enhanced system performance by optimizing configurations and implementing best practices for Linux administration.
- Increased security and stability by designing and implementing comprehensive backup strategies for critical data.
- Developed custom scripts to automate repetitive tasks, increasing team capacity for more complex projects.
- Performed root cause analysis on recurring issues, implementing long-term fixes that increased system reliability over time.
- Evaluated emerging technologies and provided recommendations on potential integrations within the current infrastructure landscape.
- Reduced server downtime with proactive monitoring, timely updates, and efficient troubleshooting of Linux systems.
Sr. Linux Admin
Acknown Technology Pvt.Ltd
07.2019 - 08.2020
- Installation, Configuration and Troubleshooting of Redhat 6.5, Ubuntu and Centos
- Responsible for all deployment of the servers In local and production environment(AWS) as per project requirement
- Enhanced system performance by optimizing configurations and implementing best practices for Linux administration.
- Streamlined deployment processes for seamless integration of new applications and services into existing infrastructure.
- Hands on experience using in Amazon Web Services (AWS) like EC2, IAM, RDS, ELB, EBS, S3, Cloud Watch, Cloud Trail, Cloud formation, Auto scaling
- Working with cpanel based servers
- Creating scripts for automation of backups for mysql, configuration file and web server.
- Certificate installation on webservers (apache,nginx)
- Mysql replication and load balancing with haproxy
- Webserver load balancing with haproxy.
- Mangage pfsense firewall, DNS management
- Provided guidance and mentorship to junior administrators, fostering a collaborative learning environment within the team.
- Manage local network switches and wifi routers for internet connectivity to local users.
- Install and configure server monitoring tool Nagios and monitor server alerts for local dev servers and cloud server separately
- Supported end-users effectively managing issues related to Linux-based systems and applications in a timely manner.
- Interacted directly with users to diagnose and correct major system issues and address concerns.
- Knowledge of configuration management tool Ansible.
IT-Head (Linux Administrator)
Craterzone Pvt. Ltd.
02.2015 - 07.2019
- Collaborated with cross-functional teams to design and implement infrastructure improvements, leading to enhanced system stability.
- Installation, Configuration and Troubleshooting of Ubuntu and Centos
- Reduced operating costs by migrating legacy systems to more cost-effective open-source solutions.
- Configuration and troubleshoot of DNS, DHCP and SendMail Server
- Provided technical guidance to junior team members, fostering a collaborative learning environment within the department.
- Configuration and troubleshooting of APACHE, Tomcat and Nginx Server
- Ensured smooth hardware upgrades with minimal disruption to users through careful planning and coordination with stakeholders.
- Installation and configuration of Vmware for local environment for development server and deploy operating systems as per requirement of the project
- Simplified user access management by implementing centralized authentication mechanisms using LDAP integration.
- Manage local network switches and wifi routers for internet connectivity to local users
- Contributed to the successful completion of complex projects, providing expert Linux administration support throughout project lifecycles.
- Install and configure server monitoring tool Nagios and monitor server alerts for local dev servers and cloud server separately
- Developed organization-wide administration policies to encourage continuity across multiple systems and facilities.
- Manage cloud servers from AWS, AZURE, digital ocean and GoDaddy
- Provided input on hardware and software purchasing, prioritizing return on investment to optimize IT spending.
- Worked closely with development teams to optimize application performance through proper tuning of underlying Linux systems.
- Designed and evaluated WAN and LAN connectivity technologies.
- Diagnosed and resolved hardware and software issues.
- Led server infrastructure development, quality assurance, staging and production systems.
- Maintained high availability of critical systems by proactively addressing issues and conducting regular backups.
- Optimized server performance by implementing efficient system configurations and monitoring tools.
- Creating VPC with public and private subnet on AWS
- Hands on experience on s3 bucket with versioning
- Installation and configuration of Docker and container
- SSL certificate installation on APACHE, TOMCAT, Nginx and Openfire servers.
- Operate Squid server, SSH, Apache, Nginx, LAMP, LDAP & Chat Server
- Single signon with LDAP Server to Mail Server(Sendmail), Redmine, Phabricator and Jenkins
- Configuration and troubleshooting of Opendj LDAP
- Openfire Clustering with Load Balancing (Haproxy)
- Mysql Load Balancing(Haproxy)
- Mysql Master and slave replication
- Continous integration with Jenkins
- Setting up SAMBA servers, to enable Windows clients to communicate with Linux without the need of additional software on the Windows side
- Recover of root password securing terminals
- Vendor management like ISP and other hardware suppliers
- Infrastructure Asset management including software and hardwares(Desktops/Laptops/Printers/switches/).
Linux Administrator
KV IT Solutions Pvt.Ltd
10.2012 - 02.2015
- Installation, Configuration and Troubleshooting of Red Hat Linux and Centos
- Reduced operating costs by migrating legacy systems to more cost-effective open-source solutions.
- Configuration and troubleshoot of DNS, DHCP and Mail Server
- Operate FTP, SSH, Apache, LDAP & Chat Server
- Setting up Secure NFS Servers with multiple Clients for File and Disk sharing
- Setting up SAMBA servers, to enable Windows clients to communicate with Linux without the need of additional software on the Windows side.
- Troubleshooting of virtual machine desktop and application Installations
- Server patch management.
Senior Associate
EXL (NASDAQ: EXLS)
04.2009 - 09.2012
- Team SPOC for technology related issues to be dealt with in collaboration with onshore team
- Troubleshooting of virtual machine desktop and application Installations
- Server patch management on windows and Linux Machines
- Assistance in virus control, repair and removal in case of any infections
- Configuring different customized software’s for different users in the team on windows and Linux
- Used to provide support to the Information Security department by conducting BCP(Business Continuity Plan) and ISG(Information Security Group) trainings
- Administering and Managing Windows Directory Services
- Implementing group policy
- Installation, Configuration and Troubleshooting of MS-Outlook and Printer
- Reviewing insurance policies to validate correct information and provide support to onshore underwriter to decide actual premium
- Used to provide support to the MIS team by generating various kinds of reports
- Efficiently communicating with the clients and management to resolve technical issues.
Data Entry Operator
Infozone Services
01.2006 - 04.2009
- Responsible for handling the incoming and outgoing data and prepare MIS report for the management
- Manipulating, cleansing & processing data using Excel.
- Responsible for loading, extracting and validation of client data
- Liaising with end-users and 3rd party suppliers
- Analyzing raw data, drawing conclusions & developing recommendations
- Developing data analytical databases from financial source data
- Performing daily system checks
- Data entry, data auditing, creating data reports & monitoring all data for accuracy
- Monitoring the automated loading processes.
Education
Skills
- Operating System: Linux Administration (Centos, RHEL, Ubuntu)
- Cloud Provider: AWS Infrastructure, Azure, Digital Ocean, Go Daddy
- Configuration Management: Ansible
- Microservice: Docker container management
- Infra Automation: Terraform
- CI/CD: Jenkins, AWS Codepipeline
- Monitoring Tool: Installation & configuration of Nagios server for server monitoring New Relic (creating Synthetic Alerts and condition, Create policies for alerts)
- Rabbitmq, ELK stack, Kafka
- Load Balancing: Haproxy, Nginx, AWS load Balancer
- Web Server: Apache, Nginx
- Application Server: Tomcat, JBOSS
- Database: Mysql and Postgres
- Virtualization (Vmware and virtualbox)
- Source code: Github, Phabricator, code commit
- Ticketing tool: Redmine
- Customer support skills
- Good documentation Skills
- Working knowledge of Sendmail server, DHCP Server, DNS Server in Linux Environment
- Working knowledge of Apache, Tomcat and Nginix server on production environment
- Reverse proxy implementation with Nginx
- Migration of running websites from one server to another
- Setting up Squid (Proxy) servers, to implement security policy and controls the users to restrict access of Internet and control browsing
- Setting up SAMBA servers, to enable Windows clients to communicate with Linux without the need of additional software on the Windows side
- Single sign-on With LDAP Server to mail server, Redmine and Phabricator
- Continous integration with Jenkins for code review
- Load Balancing with Haproxy (For mysql, Web server and Openfire)
- DigitalOcean, AWS and Azure Server management with Admin Console
- Install and configure server monitoring tool Nagios and monitor server alerts
- Installing, configuring and administering network technologies
- Well understanding of Bridging and switching concepts and LAN technologies
- IP addressing and sub netting, Routing concepts
- Knowledge of security tools like (NMAP, NESUS, WIRESHARK etc)
- Knowledge of ITIL concepts (Change management, Audit, problem management, etc)
Professional - Certifications
- AWS solution Architect Associate Certified
- Cisco Certified Network Associate (CCNA 200-120 / CISCO ID->CSCO12559120)
- PGDIPLOMA in IT Infrastructure and System Security from CDAC NOIDA
- Mastering in Industrial Linux From Open path Solution
Personal Information
- Passport Number: Yes
- Date of Birth: 10/26/1979
- Nationality: Indian
References
Available on request.
Timeline
Sr. Linux Administrator
Dynpro India Pvt.Ltd
08.2020 - 02.2021
Sr. Linux Admin
Acknown Technology Pvt.Ltd
07.2019 - 08.2020
IT-Head (Linux Administrator)
Craterzone Pvt. Ltd.
02.2015 - 07.2019
Linux Administrator
KV IT Solutions Pvt.Ltd
10.2012 - 02.2015
Senior Associate
EXL (NASDAQ: EXLS)
04.2009 - 09.2012
Data Entry Operator
Infozone Services
01.2006 - 04.2009
Technical Lead
Wipro HRSS Pvt.Ltd
4 2022 - Current
Deputy Manager
Parishram Resource Pvt.Ltd
2 2021 - 3 2022
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