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John Hoffmaster Email & Phone Number

Linux Roles, Learning Javascript at Infosys
Location: Lafayette, Colorado, United States 8 work roles 1 school
1 work email found @infosys.com 4 phones found area 303 and 719 LinkedIn matched
4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email j****@infosys.com
Direct phone (303) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Linux Roles, Learning Javascript
Location
Lafayette, Colorado, United States
Company size

Who is John Hoffmaster? Overview

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Quick answer

John Hoffmaster is listed as Linux Roles, Learning Javascript at Infosys, a company with 352877 employees, based in Lafayette, Colorado, United States. AeroLeads shows a work email signal at infosys.com, phone signal with area code 303, 719, and a matched LinkedIn profile for John Hoffmaster.

John Hoffmaster previously worked as Consultant at Infosys and Unix Senior System Adminstrator at Dish Network. John Hoffmaster holds Bachelor Of Science, Electrical Engineering (Bsee) from Colorado State University.

Company email context

Email format at Infosys

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{first}_{last}@infosys.com
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AeroLeads found 1 current-domain work email signal for John Hoffmaster. Compare company email patterns before reaching out.

Profile bio

About John Hoffmaster

I am a motivated, results-oriented Linux/Unix professional with more than 25 years of experience developing high-performance teams and implementing innovative technical strategies to enhance customer experience and drive organizational growth and profitability. My talent in adapting and overcoming unforeseen obstacles in daily operations is paired with my ability to maintain keen attention to detail and a high level of organization and efficiency in a fast-paced environment.I am highly skilled automating Excel and Word using Perl or Python to generate reports from Unix or Linux servers. I also have a proven history of success with Openldap, logical data modeling, MySQL, and Sybase relational databases

Listed skills include Hp Ux.

Current workplace

John Hoffmaster's current company

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Infosys
Infosys
Linux Roles, Learning Javascript
Lafayette, CO, US
Website
Employees
352877
AeroLeads page
8 roles · 36 years

John Hoffmaster work experience

A career timeline built from the work history available for this profile.

Role listed

Lafayette, CO, US

Consultant

Bangalore, Karnataka, IN

Aug 2019 - May 2024

Unix Senior System Adminstrator

Englewood, CO, US

  • Worked on a server environment consising of RedHat/Centos 1200 VMware Clients, 25 physical HPE Proliant 580 G7, 8, 9. 25 Oracle/Sun T2000, T5000, T3 physical and Containers, 5 HPE Superdome 2 vpars, and rx2600
  • Used Kickstart to build Linux images for multiple business groups
  • Used Perl scripts and Apache Directory studio for OpenLDAP user and group accounts in development and testing
  • Applied Unix attributes to Windows Accounts in Production and DMZ environments
  • Used Ruby scripts to manage sudoers files for multiple server groups, Dev/Test, production non PCI, production PCI, and production DMZ
  • Used Ruby on Rails to manage server inventory database and powerbroker service account and user access database used to create powerbroker policy files
Mar 2008 - Mar 2019

Unix Deep Support Lead

Santa Clara, CA, US

  • Redeveloped PHP application using MySQL and CVS to track user/team powerbroker privileges
  • Wrote several programs to login to the network consoles of approximately 3000 Unix/Linux servers, enabling issues to be resolved before servers crashed and saving 2-3 hours of troubleshooting time
  • Created Perl, PHP, and ksh, scripts used to check/update files resolve conflicts, and log changes for possible rollback on 600 servers
  • Installed patches, packages, and bundles on HP, Linux, and Solaris Servers
  • Mentored others on PHP, MySQL, ksh, and Per
  • Used Perl Excel modules to read Excel files to highlight changes in server deployments
Feb 2004 - Oct 2007

Solaris 8 Operating System Instructor

  • Installed PC Video cards and related Solaris 8x86 OS patches
  • Taught 2 week onsite class of 4 adults on basic Solaris 8 Unix administration
Oct 2001 - Oct 2001

Unix System Administrator

Denver, Colorado, US

  • Used open source SSH and Rdist utilities pushing Unix sudo configuration files to servers
  • Performed HPUX and Linux OS installations and upgrades
  • Performed basic administration duties (e.g. patching and user management on Solaris servers)
  • Compiled and installed open source Apache, Perl, and gnuC servers running on HPUX
  • Installed Oracle, Informix, MQSeries, Rational Rose, and BEA Weblogic software
  • Documented and tracked application licensing for servers
1999 - 2001 ~2 yrs

Sybase Application Dba/Developer

Denver, Colorado, US

  • Performed Unix SA duties on development environment
  • Managed database logical volumes and disk utilization
  • Installed Netbackup version 3.0 for test environment enterprise backup solution
  • Led team of 2 Developers to create Sybase open server application to perform disk based snapshots
  • Used Perl to synchronize application data file systems sitting on EMC BCVs
1998 - 1999 ~1 yr

Informix/Sybase Database Administrator

Denver, Colorado, US

  • Enhanced Sybase open server application to perform replicated database backups
  • Conducted performance tuning on Informix database by spreading disk reads across disks
  • Managed application and database growth on twelve production servers
  • Compiled HPUX kernel for Informix and Sybase databases and managed database logical volumes
  • Performed system planning and architecture input for two projects
  • Used shell scripts to copy data from production servers during project rollouts/upgrades
1990 - 1998 ~8 yrs
Team & coworkers

Colleagues at Infosys

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1 education record

John Hoffmaster education

  • Colorado State University
    Colorado State University
    Electrical Engineering (Bsee)
FAQ

Frequently asked questions about John Hoffmaster

Quick answers generated from the profile data available on this page.

What company does John Hoffmaster work for?

John Hoffmaster works for Infosys.

What is John Hoffmaster's role at Infosys?

John Hoffmaster is listed as Linux Roles, Learning Javascript at Infosys.

What is John Hoffmaster's email address?

AeroLeads has found 1 work email signal at @infosys.com for John Hoffmaster at Infosys.

What is John Hoffmaster's phone number?

AeroLeads has found 4 phone signal(s) with area code 303, 719 for John Hoffmaster at Infosys.

Where is John Hoffmaster based?

John Hoffmaster is based in Lafayette, Colorado, United States while working with Infosys.

What companies has John Hoffmaster worked for?

John Hoffmaster has worked for Infosys, Dish Network, Agilent Technologies, Oxford Lanes, and Qwest Communications International Ltd..

Who are John Hoffmaster's colleagues at Infosys?

John Hoffmaster's colleagues at Infosys include Deepa Chary, Darshan K A, Terrell Colyer, Praveen Mahale, and Sushama Fulari.

How can I contact John Hoffmaster?

You can use AeroLeads to view verified contact signals for John Hoffmaster at Infosys, including work email, phone, and LinkedIn data when available.

What schools did John Hoffmaster attend?

John Hoffmaster holds Bachelor Of Science, Electrical Engineering (Bsee) from Colorado State University.

What skills is John Hoffmaster known for?

John Hoffmaster is listed with skills including Hp Ux.

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