Summary
Overview
Work History
Education
Skills
Locations
Certification
US Data Center Consolidation Program (phase 3) @ Rabobank
Timeline
Generic

DEBI PALIT

Jersey City,NJ

Summary

Dedicated and proactive professional with extensive experience in Linux/Unix production support. My expertise includes engineering of servers (hardware related), building the servers with Linux OS from the ground up, production support of Linux infrastructure (on-prem, cloud and virtual servers), Have experience on performance tuning of Linux kernels to obtain low latency of trading applications, RedHat OpenShift (Kubernetes), dockers, pod man, maintaining Linux servers on AWS and Azure cloud, automation using Ansible playbooks, writing python/bash scripts for Linux system administration tasks, breaking SAN replication in Hitachi Storage SAN for performing Disaster Recovery (DR) tests of applications, Have used Terraform and have exposure to various monitoring tools like Splunk, Big Panda, Zabbix. Familiar with ELK (Elasticsearch, Logstash, Kibana) stack for log related reports, Jenkins and Bitbucket.

Experienced Systems Administrator with 15+ years of expertise in design, development and maintenance of complex software and management of server infrastructures and data center operations across operating system platforms. Highly proficient in implementing enterprise solutions for business applications in broad scale, web-delivered environments. Determined to deliver best technical solutions to meet functional and business requirements. Diligent troubleshooter, with strong communication skills to interact effectively with employees and departments various IT environments. Flexible with positive work attitude focused on producing results under tight deadlines. Demonstrated understanding of the Software Development Life Cycle.

Overview

15
15
years of professional experience
1
1
Certification

Work History

Unix Systems Administrator

Federal Aviation Administration (FAA)
09.2024 - Current
  • Manage Unix infrastructure in DEV, UAT and Production Environment.
  • Build RHEL 8/9, Solaris servers in all 3 environments using SPARC and X86 based systems.
  • Create UFS/ZFS, XFS FS as per specifications.
  • Create Veritas FS as per specifications using Veritas Volume manager.
  • Maintain Veritas clusters running on Solaris servers.
  • Support of infrastructure in DEV, UAT and Production environments.
  • Performance tuning of OS running RHEL 8/9 OS.
  • Create NFS Filesystems as per specifications using autofs.
  • Install memory, HBA cards for SAN storage on Oracle S7-2 hardware.

  • Work hand in hand with Data Center hardware vendors for hardware related issues, network, storage issues on servers running RHEL8/9 OS and Solaris OS.
  • Automate system administration repetitive tasks using Ansible and Terraform.

Migration Consultant

DEUTSCHE BANK
02.2024 - 09.2024
  • Manage the migration effort of all infrastructure from one Colo location to another location.
  • The infrastructure that needs to be migrated runs critical investment as well as trading applications on Linux OS.
  • Responsible to attend meetings with Business Units (BU) to understand scopes, timelines, limitations, implementation, and post implementation tasks from infrastructure perspectives.
  • Meet with Data Center technicians to discuss in order a draw blueprint of the actual steps involved to do a successful migration.
  • Acting as a liaison between infrastructure team and various business units and stakeholders in the migration effort.
  • Migrate RHEL 7 hosts to RHEL 8 (In-Place Upgrade) using RH Leapp utility as well as in-house scripts for upgrade.
  • Production support L3 role of global infrastructure of trading/investment applications running Linux (RHEL) OS looking to achieve low latency.
  • Create AWS resources in UAT/DEV environment using Hashicorp Terraform.
  • Ansible scripting for automation.

Linux/Unix Production Support L2/L3

UBS
04.2023 - 01.2024
  • Responsible for supporting as well as administration/engineering of all Linux and Unix IT infrastructure servers in AMER region.
  • Configure network bonding on RHEL 8 interfaces.
  • Work with SAN team for LUN provisioning to hosts and configure SAN storage for applications.
  • Troubleshoot and resolve Linux OS and performance related issues supporting various financial applications like FX trading and other critical applications.
  • Configure various levels of hardware RAID on HP servers using Intelligent Provisioning.
  • Performance tuning of RH kernels from OS side to achieve low latency.
  • Perform OS patching on Linux servers in DEV/QA/UAT and Production environments.
  • Work with users to understand their issues for timely resolution of Change Requests.
  • Build Linux servers using RHEL 8/9 on physical systems (HP/Dell) as well as on VMware.
  • Maintain RHEL hosts on AWS and Azure private cloud infrastructure.
  • Hardware maintenance (DELL and HP) in Datacenter.
  • Automate Unix tasks using bash/Korn shell and Ansible scripts.
  • Create RAID using HP and DELL hardware.
  • Work hand in hand with Data Center hardware vendors for hardware related issues, network, storage issues on servers running RHEL OS.
  • Troubleshoot network connectivity as well as OS performance issues using Linux utilities.
  • Monitoring hosts using Splunk and Big Panda.
  • Attending Change Request Meetings with Business Units and application stakeholders before performing Unix OS related changes.

IT Computing Unix Team Administrator/Engineer

LAZARD FRERES CO
08.2020 - 04.2023
  • Responsible for administration of day-to-day operations of LINUX as well as other UNIX operating systems and cloud- based infrastructures.
  • Handle the responsibilities of providing technical support of mostly RHEL servers in production and backend support systems to meet customer satisfaction.
  • Managing as well as hands experience on building and maintaining Solaris10/11/RHEL7.X/8.X (LINIUX) physical as well as virtual servers on VMware as part of IT Infrastructure Platform Services department servicing business units using LVM, NFS, ZFS.
  • Open, allocate, Incident Tickets, Change Requests amongst team members.
  • Involved in performance tuning of OS looking to achieve low latency.
  • Attend Change Request (CR) meetings with business units on behalf of team, project meetings, architecture review meetings, SCRUM meetings.
  • Work with DBAs/Windows Infrastructure/AWS/Azure Cloud/Info security and cross functional teams from Unix perspective.
  • Write Ansible scripts and playbooks for infrastructure automation.
  • Install and configure RedHat OpenShift containerization platform to manage Docker and pod man containers.
  • Maintain Veritas Clusters using SFHA (Symantec Storage Foundation High Availability) as well as use VXFS/VXVM.
  • Manage patching schedules for RHEL 7/8 LINUX hosts using Red Hat Satellite 6.X.
  • Involved in installation of Jenkins, Kubernetes cluster to deploy applications from Jenkins to Kubernetes cluster.
  • Monitoring of servers using Splunk, Zabbix and Big Panda.
  • Install and configure SAMBA shares on RHEL.
  • Experience configuring Apache, DNS, postfix.
  • Experience with ELK (Elasticsearch, Logstash and Kibana) for logging activities.

Unix Systems Administrator of LINUX servers

WELLS FARGO
03.2020 - 08.2020
  • Assigned the responsibilities of implementing corrective action plans to solve software issues.
  • Responsible for maintaining and operating site uptime and preparing site maintenance schedules.
  • Performed the responsibilities of managing and reviewing the performance of project team.
  • Responsible for developing operational processes of LINUX environment.
  • Red Hat Linux 5.x/6.x/7.x/Solaris 10 Systems Administration. Server hardware maintenance, troubleshooting and installation.
  • Write Ansible/Unix Shell scripts for infrastructure automation.
  • Co-ordinate and perform Business Continuity/Disaster Recovery (BC/DR) tests with business units.

Unix Build and Infrastructure Support Administrator

RABOBANK N A W NYC
03.2015 - 12.2019
  • Build and maintain Solaris10/Red Hat LINUX 6.X/7.X physical as well as virtual servers on Hyper V as part of IT Infrastructure Platform Services department servicing business units.
  • Work with DBAs on Oracle and SQL Server Dbs.
  • Develop and implemented and manage lifecycle and capacity planning of servers.
  • Manage Disaster Recovery (DR) Tests along with Business Units/Application/DBAs/SAN Storage (Hitachi SAN).
  • Identify and manage consolidation opportunities to reduce cost.
  • Attend CR (change Request) meetings with BU (Business Units) adhering to implementation of Change Tasks.
  • Architect and design infrastructure solutions with senior management team.
  • Perform troubleshooting of users and file permissions as well as involved in administration of network, security, firewall (from OS Perspective) related issues.
  • Apache Tomcat installation on RHEL hosts.
  • Patch Red Hat LINUX hosts using Red Hat Satellite LINUX servers.
  • Familiar with ITIL and used HP Service Manager (HPSM) for Change/Incident Management.
  • Configuring NFS servers and clients on RHEL hosts.
  • Primarily involved in four areas: Administration (daily support of Solaris/Linux systems), Engineering (implementing new solutions into the environment), Architecture (contributing ideas to the future direction) and Unix Projects co-ordination (managing/coordinating technical projects within the scope of the IT Infrastructure team).
  • Provide support for business groups including the 24X7 Data Center Operations team.
  • Perform DR tests with business units twice a year to test system resiliencies.

Unix Design and Build Engineer/Administrator

BROADRIDGE FINANCIALS
08.2012 - 03.2015
  • Build Red Hat Linux 5.x/6.x/Solaris 10/11 infrastructure hosts.
  • Building Red Hat Enterprise Linux Virtual Machines on VMWare.
  • Installation and configuration of Veritas/Symantec Storage Foundation High Availability (SFHA) to build Veritas clusters from scratch.
  • Administer Debian 6/7.x servers/SUSE Enterprise Linux infrastructure servers.
  • Participates in the design, specification, and implementation of business and technology projects, assuring and resolving adherence to enterprise-wide solutions.
  • Perform system HW/SW upgrades, evaluate and install patches and resolve system problems and maintain and monitor system configuration to ensure integrity.
  • Collaborate across business and technical disciplines to develop Infrastructure / System Engineering Designs for internally hosted solutions.
  • Configured Veritas Volume Manager and Veritas File System.

Unix Design and Build Engineer/Unix Projects Coordinator

BANK OF AMERICA
04.2011 - 08.2012
  • Configured Veritas Volume Manager and Veritas File System.
  • Installing and Patching Solaris 8/9/10, Red Hat Linux and SUSE LINUX.
  • Build Linux virtual hosts (RHEL) using tools from BMC (BladeLogic) and BOA tool called Sunrise.
  • Solaris virtualization using zones, ZFS and LDOMS.
  • Maintain and administer IBM Power 7 servers running AIX OS 7.2.
  • Monitoring the system and network performance using automated scripts.
  • Oversee Unix environment including platform and application configuration standards within the Unix global environment.
  • Plan and coordinate, install, configure, patch, upgrade, and maintain UNIX systems.
  • Diagnose and resolve complex configuration and troubleshooting issues within a multi-vendor infrastructure.
  • Active participation in disaster recovery (DR) and business continuity tests conducted every quarter, systems design, configuration, support, and processes.

Unix Infrastructure Systems Engineer

STATE STREET FINANCIALS AND INVESTMENTS
06.2010 - 04.2011
  • Mirror OS and application disks using SVM (Solaris Volume Manager).
  • Installing Solaris OS using VPM (Veritas Provisioning Manager).
  • Managed and administered active/passive Clusters using Veritas Cluster Server.
  • Virtualization of HP hosts using VMWare ESX and RHEL 5 (Red Hat Enterprise Linux 5).
  • Perform Disaster Recovery (DR) exercises along with SAN and application teams.
  • Configure Solaris zones.
  • Configured Veritas Volume Manager and Veritas File System.
  • Monitoring the system and network performance using automated scripts.

Education

Master Of Science - Information Systems Management

UNION COLLEGE
Barbourville, Kentucky

Skills

  • Unix Operating Systems
  • Red Hat Linux Operating System
  • Information Technology & Information Systems Linux Operating System
  • VMWare
  • Engineering
  • Ansible
  • Amazon Web Services (AWS) Performance Tuning/Optimization
  • Splunk
  • Automation
  • Microsoft Windows Azure
  • Cloud Computing Network Operations Center
  • Finance Software
  • RAID Storage
  • Hewlett-Packard Product Family
  • Ksh (Korn Shell) Scripting
  • Network Connectivity
  • Production Support
  • Quality Assurance
  • Identify Issues Acceptance Testing
  • Blueprints
  • Python Programming/Scripting Language
  • Unix System Administration Management of Information Systems/Technology (MIS)
  • Protective Services
  • High Availability
  • Symantec Product Family
  • Apache
  • Customer Satisfaction
  • DNS (Domain Name System)
  • Docker Elasticsearch
  • Jenkins
  • Logical Volume Manager (LVM)
  • Technical Support
  • Samba
  • Scrum Project Management and Software Development
  • Microsoft Windows Operating System
  • Disaster Recovery Oracle Solaris (fka Sun Microsystems Solaris)
  • Corrective Action
  • Server Hardware
  • Systems Administration/Management
  • Unix Shell Programming
  • Capacity Management
  • Microsoft Hyper-V Incident Management
  • ITIL (IT Infrastructure Library)
  • Oracle
  • Microsoft SQL Server
  • File Systems VERITAS Volume Manager
  • Debian Linux
  • SuSE Linux
  • Systems Engineering
  • Virtual Machine (VM)
  • X Windows Servers
  • Network Performance/Analysis
  • Operating Systems
  • Software Configuration Management Consulting
  • Virtual Hosting
  • VERITAS Cluster Server
  • Virtualization
  • VMWare ESX/ESXi
  • Volume Manager Banking Services
  • C/C
  • CentOS
  • DHCP (Dynamic Host Configuration Protocol)
  • Communication Skills FTP (File Transfer Protocol)
  • Git
  • IMAP (Internet Message Access Protocol)
  • K Virtual Machine (KVM)
  • LDAP (Lightweight Directory Access Protocol)
  • Microsoft Access Database
  • NetApp Storage Systems
  • Oracle PL-
  • SQL
  • PostgreSQL
  • Sales
  • Server Support
  • SNMP (Simple Network Management Protocol)
  • Sun Microsystems SPARC Processor
  • SSH (Secure Shell)
  • Sybase Product Family
  • TCP/IP (Transmission Control Protocol/Internet Protocol)
  • IBM DB2 UDB (Database 2 Universal Database)
  • Symantec NetBackup
  • Microsoft Windows 3x
  • Microsoft Windows XP
  • Data Migration
  • Scripting (Scripting Languages)
  • Team Player
  • Dell Hardware
  • Private Cloud
  • Change Requests/Orders Network Administration/Management
  • Network Configuration Management
  • Computer Maintenance
  • Foreign Exchange (FX) Trading
  • Storage Area Network (SAN)
  • Production Systems
  • Hewlett-Packard Hardware Software Administration
  • Problem Solving Skills
  • Hewlett-Packard Systems
  • Software Engineering
  • Bash Scripting
  • User account management
  • UNIX shell scripting
  • File system management
  • Network troubleshooting
  • Program installations
  • IT procedure development
  • Technical support
  • Server and system administration
  • Disaster recovery
  • Storage management
  • Systems deployment
  • Troubleshooting and maintenance
  • System upgrades
  • Threat assessment
  • Configuration management
  • Performance analysis
  • Linux administration
  • System monitoring
  • User access management
  • Network performance monitoring
  • Server management
  • Third-party integration
  • Performance tuning
  • System performance monitoring
  • Scripting languages
  • Patch management
  • Hardware troubleshooting
  • Software installation
  • Troubleshooting and diagnosis

Locations

  • Barbourville, Barbourville, KY, 40906
  • Federal Aviation Administration, NJ, NJ, 07001
  • Deutsche Bank, United States, US, 10001
  • UBS, United States, US, 10001
  • Lazard Freres Co, New York, NY, 10001
  • Wells Fargo, Philadelphia, PA, 19101
  • Rabobank N A W NYC, Jersey City, NJ, 07302
  • Broadridge Financials, Jersey City, NJ, 07302
  • Bank of America, New York, NY, 10001
  • State Street Financials and Investments, Boston, MA, 02101

Certification

AWS Certified Solutions Architect-Associate Certification

US Data Center Consolidation Program (phase 3) @ Rabobank

Successfully migrated all Unix servers from NYC DC to St. Louis DC.

Timeline

Unix Systems Administrator

Federal Aviation Administration (FAA)
09.2024 - Current

Migration Consultant

DEUTSCHE BANK
02.2024 - 09.2024

Linux/Unix Production Support L2/L3

UBS
04.2023 - 01.2024

IT Computing Unix Team Administrator/Engineer

LAZARD FRERES CO
08.2020 - 04.2023

Unix Systems Administrator of LINUX servers

WELLS FARGO
03.2020 - 08.2020

Unix Build and Infrastructure Support Administrator

RABOBANK N A W NYC
03.2015 - 12.2019

Unix Design and Build Engineer/Administrator

BROADRIDGE FINANCIALS
08.2012 - 03.2015

Unix Design and Build Engineer/Unix Projects Coordinator

BANK OF AMERICA
04.2011 - 08.2012

Unix Infrastructure Systems Engineer

STATE STREET FINANCIALS AND INVESTMENTS
06.2010 - 04.2011

Master Of Science - Information Systems Management

UNION COLLEGE
DEBI PALIT