Summary
Overview
Work History
Education
Skills
Workeligibility
Virtualizations
Containers
Monitoring
Managementreporting
Auditingcompliancetools
Automationprovisioning
Cloud
Schedulers
Applicationwebservers
Messagebrokers
Scriptinglanguages
Hardware
Timeline
Generic

PADMANABAN LINGAN

Oxford

Summary

Illustrating an extensive computer background, deep analytical thinking, and programming skills. Primarily worked on Linux/Unix platform and have been engaged with design, development, application integration and infrastructure management using wider tools. Worked across a number of industries intuitions including Finance, ecommerce, gaming, cyber security, manufacturing, Media, Web Hosting and ITSO.. I have Held number of roles in 23 years and have been a finisher in every role, Projects Working closely with Architects, network, Storage, dev, QA and Test team and Managing DevOps platform with DevOps tools. I have involved Implementing High Availability, disaster recovery, platform refreshes & Migration, security, auditing compliance, new technology adoption and developed great problem-solving abilities. My work experience is not limited to Linux but also hands on working experience with cutting edge technologies, Window Server, virtualization, containers, Storagte, networking and automation. Energetic [Job Title] enthusiastic about developing deeper understanding of engineering design and leadership. Natural leader and networker with hardworking, resourceful and competitive nature. [Number] years of experience in [Type] manufacturing plants.

Overview

26
26
years of professional experience

Work History

Infrastructure Engineer

Nominet
10.2023
  • Worked on automating end to end VMware host build and bare metal builds using ansible, Linux system Hardening, vulnerability Management
  • Acted as escalation point
  • Worked closely with management with planning and Address HW/OS/Application Life cycle with include upgrades, migration, Compliance, Regulatory Requirement and decommissioning
  • Worked closely with cyber security, dev, QA and build team and provided solution to issue raised with tools and technologies used across business
  • Projects included automating VM Build process and customization, satellite build and migration
  • Technologies used: RHEL 8 and 9, Red hat Satellite 6.14, Red hat Insight, Qualys, Windows, Ansible, Linux VMware, apache, java, tomcat, tomcat, team city (CICD), syslog, rsyslog, SIEM, python, oracle, postgres, Zabbix, checkmk.

Platform Engineer

Nominet
07.2024 - Current
  • Automation platform and services as code
  • Worked on story points in sprints to build and integrate platform using ansible as primary automation tool
  • Projects included bare metal builds, Red Hat KVM builds, hardening and integration of various infrastructure tools and technologies, version control, CICD, pipelines
  • Technologies used: Red Hat Enterprise Linux 9, Red hat Satellite 6.14, KVM, Ansible, Tanium, Red Hat insights, sentinel one, check_mk enterprise, bit bucket pipelines and more.

Linux Engineer

Morgan Stanley
07.2021 - 07.2023
  • Responsible for Server Provisioning across 12 datacenter located in EMEA, Europe and US
  • Managed OS, Hardware, Application hygiene (EOL, Upgrade and Migration), which includes OS, Database, Third party application, and Hardware
  • Handled troubleshooting and escalation
  • Provided tooling to build bare metal servers Stand alone, cluster’s, db2, oracle and Sybase database cluster, application cluster servers in 1000 of numbers and hand over in production ready stage
  • Provided tooling to Migrate physical, virtual servers, databases, cluster, storage within given timeline and automation tools (Ansible, Perl, and Python).

Linux Engineer

Worldpay (FIS) (UK) Ltd
04.2018 - 03.2021
  • Worked closely with wider teams, dev/test/operation/DevOps/Dbas to provide tools and platform for dev/test and operations teams
  • Provided code/thread dumps when necessary for developers to understand issues
  • Handled escalation and provided L3 support to production environment
  • Conducted vulnerability assessment and remediation in promotional and production environment
  • Projects included storage migration, puppet migration, vulnerability remediation, and NFS migration
  • Technologies used: Red Hat Linux/Oracle Enterprise Linux, Pulp, Puppet, Ansible, git, GitLab, Jenkins, nexus, Oracle RAC Cluster, Siebel, WebLogic, Jira, Nexpose, VMware, VSphere, Connect Direct, ControlM, and ServiceNow.

Automation and Deployment Engineer

BT Security
02.2017 - 03.2018
  • Worked on the Cyber Security and Big Data program to provide secure scalable infrastructure for cyber security and malware platforms
  • Involved in automation and system provision with Red Hat Satellite 6.x and puppet, Ansible, PKI infrastructure and Lab, backup solution using Zamanda Enterprise, distributed monitoring infrastructure using check mk Enterprise, gap analysis, auditing systems vulnerabilities, compliance, remediation, risk mitigation, and documentation
  • Technologies used: Red Hat Linux 6 & 7, Satellite 6, puppet, Ansible, Big Data (Cloudera), Nexpose, Jira, Windows 2012, Active Directory, Microsoft Identity Manager, check_mk, Cisco UCS Central, UCS, ESXi 6.x, VMware, MacAfee EPO, McAfee SIEM, and Zamanda.

Linux System Administrator/ DevOps Engineer

Ladbrokes PLC
09.2014 - 08.2016
  • Worked with multiple product teams in a large resilient infrastructure spanning multiple datacenter and AWS
  • Member of SME team to contribute design and development of fully functional configuration management platform using puppet, Red Hat Satellite, Foreman, git, GitLab, and many open-source tools
  • Team member to contribute performance improvements for Web Services, System and LAMP stack
  • Handled troubleshooting & RCA and provided L3/L4 support for ops team
  • Projects included platform stability and scalability, security fix and patching, host consolidation & decommissioning, and configuration management (Puppet)
  • Technologies used: Red Hat Linux 5.x – 7.x, Red Hat Satellite, Puppet, AWS, EC2, Foreman Apache, JAVA, Jenkins, ELK, PHP, JBoss (4,5) Tomcat 7, F5 Load Balancers, MySQL, TIBCO EMS, VMWare, Cloud Backup (Comvault), OpenLDAP, VCS, Nimbus Monitoring, Nagios, Ruby, Perl, Bash, Service Now.

System Engineer/ DevOps

Thomson Reuters
12.2013 - 09.2014
  • Supported Linux servers and applications over four environments: STAGE, PILOT, PROD, and DR
  • Provided tools and platform for Dev/QA
  • Deployed releases, completed build of DR site, ran failover tests, worked with storage, DB, network groups to resolve problems and request changes within ITIL environment
  • Handled troubleshooting and fixed issues
  • Created technical documentation
  • Project: Accelus Future Screening Platform
  • Technologies used: Red Hat 6.3, Bash, Java 7, node.js, JBoss, Tomcat 7, Cucumber, Selenium, JIRA, Git, Scrum, Jenkins, HP Service Manager 7, Oracle 11g RAC, Puppet, SiteScope, ActiveMQ, RabbitMQ.

Consultant

Novasoft IT (Europe) Limited
08.2013 - 12.2013
  • Project: Support Client IT infrastructure & BAU
  • Technologies used: Windows 2003, AIX, DB2, Cisco ASA
  • Analyzed bottlenecks with ERP SAP
  • Implemented fix for bottleneck in ERP Server
  • Consolidated and cleaned Exchange Mailbox.

Senior System Administrator/Consultant

Mercurius IT LIMITED
08.2008 - 08.2013
  • Managed IT infrastructure separation and system consolidation
  • Managed and supported Linux HPC environment for CAE simulation
  • Implemented virtual infrastructure and Dell EqualLogic Storage Solution
  • Performed P2V and provisioned DR infrastructure
  • Played key role migrating complex BI reports from Oracle PL/SQL to MSSQL TSQL
  • BAU included managing, patching, provisioning OS
  • Managed Exchange Server, Application server, BI servers, Networking devices (Cisco ASA firewall, SAN switches, and edge switches), and databases (Oracle and MSSQL)
  • Implemented ASA firewall/Active Directory Radius Authentication.

Senior Consultant

Mindteck, PVT LIMITED
05.2008 - 08.2008
  • Project: Server Migration and Consolidation
  • Technologies used: HP-UX, LPAR, VPAR, VMWare, Windows, Ignite-UX, Service Guard.

System Administrator

AOL (American Online)
08.2007 - 05.2008
  • Projects included server network migration and consolidation, change network address for HP-UX and Sun Solaris systems, migration of physical to a virtual server (VMWare), BAU and on-call support.

Linux System Administrator/ DevOps Engineer

Ketera Technologies
02.2005 - 07.2007
  • Managed services datacenter migration to the in-house team
  • Provisioned DR datacenter and services
  • Migrated site scope infrastructure to open-source monitoring infrastructure
  • BAU included managing infrastructure changes, working with the development team, and coordinating product releases between non-production/production environment.

Support System Administrator

ADDR
12.2004 - 02.2005
  • Project: Support Client IT infrastructure & BAU
  • Technologies used: FreeBSD, Apache, Tomcat, Perl, shell, RT.

System Administrator

Dot Com Solution India
01.2001 - 01.2004
  • Worked with multiple internal teams, third-party suppliers, and multiple environments
  • Projects included platform stability and scalability, security fix and patching, host consolidation & decommissioning, and configuration management (Puppet)
  • Technologies used: Red Hat Linux 5.x – 7.x, Red Hat Satellite, Puppet, AWS, EC2, Foreman Apache, JAVA, Jenkins, ELK, PHP, JBoss (4,5) Tomcat 7, F5 Load Balancers, MySQL, TIBCO EMS, VMWare, Cloud Backup (Comvault), OpenLDAP, VCS, Nimbus Monitoring, Nagios, Ruby, Perl, Bash, Service Now.

Customer Support Engineer

Datapark Software Solutions Private Ltd
01.1999 - 01.2001
  • Technologies used: Novell NetWare 3.1, FoxBASE, DOS 6.x, Windows 3.x.

Education

Computer Science BSc -

Yuvaraja’s College, University of Mysore
Mysore, Karnataka
01.1999

Skills

  • Linux (Red Hat/Oracle Enterprise 7 and 8), UNIX (Solaris 9x, AIX, HP-UX), FreeBSD and Windows server OS
  • Git Version Control
  • Python Programming
  • System Troubleshooting
  • Load Balancing
  • Database Administration
  • Bash Scripting
  • Virtualization Technologies
  • Docker Containers
  • Configuration Management
  • Apache Web Server
  • Linux Security
  • Ansible automation
  • Linux Performance Tuning
  • Linux System Administration
  • MySQL Management
  • Linux Networking
  • Puppet automation
  • Monitoring tools
  • Incident Management
  • Hardware diagnostics
  • Automation tools
  • Backup and recovery
  • Performance Tuning

Workeligibility

ILR (no restriction to work in the UK)

Virtualizations

VMWare ESXi, KVM

Containers

Docker and Kubernetes

Monitoring

HP Sitescope, Nagios, checkMK, Zabbix, Nimbus, Cacti, and Zenoss

Managementreporting

Red Hat Satellite, Puppet and VMware Virtual Centre

Auditingcompliancetools

Tripwire, Aide. SIEM

Automationprovisioning

Puppet, Ansible, Terraform, Satellite, Foreman & Cobbler

Cloud

AWS and GCP

Schedulers

ControlM, Autosys 11

Applicationwebservers

Apache, Tomcat, WebLogic, JBoss

Messagebrokers

IBM MQ, Tibco, RabbitMQ, Kafka

Scriptinglanguages

Ruby, Perl, Python, Bash, Shell, C, Java

Hardware

Dell PowerEdge Rack, HP Blade, HP rack, Cisco, Procure Switch, Dell Equalogic, Sun spark, IBM DS-6000, HP 9000, Sun Fire, Cisco ASA, F5, Brocade Server Iron

Timeline

Platform Engineer

Nominet
07.2024 - Current

Infrastructure Engineer

Nominet
10.2023

Linux Engineer

Morgan Stanley
07.2021 - 07.2023

Linux Engineer

Worldpay (FIS) (UK) Ltd
04.2018 - 03.2021

Automation and Deployment Engineer

BT Security
02.2017 - 03.2018

Linux System Administrator/ DevOps Engineer

Ladbrokes PLC
09.2014 - 08.2016

System Engineer/ DevOps

Thomson Reuters
12.2013 - 09.2014

Consultant

Novasoft IT (Europe) Limited
08.2013 - 12.2013

Senior System Administrator/Consultant

Mercurius IT LIMITED
08.2008 - 08.2013

Senior Consultant

Mindteck, PVT LIMITED
05.2008 - 08.2008

System Administrator

AOL (American Online)
08.2007 - 05.2008

Linux System Administrator/ DevOps Engineer

Ketera Technologies
02.2005 - 07.2007

Support System Administrator

ADDR
12.2004 - 02.2005

System Administrator

Dot Com Solution India
01.2001 - 01.2004

Customer Support Engineer

Datapark Software Solutions Private Ltd
01.1999 - 01.2001

Computer Science BSc -

Yuvaraja’s College, University of Mysore

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