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John Hoffmaster Email & Phone Number
Package Handler
at
FedEx
1 work email found
@infosys.com
4 phones found area 303 and 719
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Package Handler
Location
Lafayette, Colorado, United States
Company size
Who is John Hoffmaster? Overview
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Quick answer
John Hoffmaster is listed as Package Handler at FedEx, a with 178885 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 FedEx
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{first}_{last}@infosys.com
86% confidence
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
Company context helps verify the profile and gives searchers a useful next step.
Fedex
9 roles · 37 years
John Hoffmaster work experience
A career timeline built from the work history available for this profile.
Role listed
Consultant
Aug 2019 - May 2024
Unix Senior System Adminstrator
• 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• Generated Excel reports for monthly internal audits• Used Openssl and Certutil to create OpenLDAP certs for TLS encryption for Linux, Solaris, and HPUX clients• Provided reports and developed script to apply PCI/SOX standards for password complexity, remote system logging, ntp database, application, and java/openjdk via Bash scripts for SOX and PCI requirements• Troubleshot Linux Unix OS Application & networking issues• Used OS tools (yum, RPM, pkgadd, swinstall) to install or query OS updates or packages • Mentored others on Unix/Linix Powerbroker, MySQL, & Rails server applications• Provided 24/7 support of Dev/Test and production servers locally and offshore• Used Windows Python Word module to load data into Word templates for PCI audit• Created and ran several scripts to collect configuration files and validate security processes were running correctly on 200 servers; loaded & copied collected data to company’s compliance website to be used for yearly PCI audits• Used lsof command to show how the Java frontend for the backup server program was connecting to other slave servers and demonstrated this to team responsible for backup program so they knew how to run the command & interpret the output
Mar 2008 - Mar 2019
Unix Deep Support Lead
• 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• Configured Apache for SSL and documented Perl and PHP scripts to run SSL LDAP queries using user NT authentication• Created Perl application to test Telnet and web based remote consoles and display status on web page with browser sorting• Fixed broken powerbroker configuration files and created script to check files• Configured RJ45 to 9 Pin Serial cable hoods and tested RS-232 connections for Unix server remote consoles and CISCO terminal server• Compiled ELF 32 bit and/or 64 bit shared libraries required for MySQL, PHP, and Apache dependent applications on HP Itanium Servers
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
• 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• Installed I/O cards, memory and disk drives on Linux and HPUX servers• Troubleshot network issues and complex application disk errors on Linux and HPUX Servers• Configured RS-232 and RS-432 line printers and ethernet LaserJet printers
1999 - 2001
~2 yrs
Sybase Application Dba/Developer
• 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
• 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
1 education record
John Hoffmaster education
-
Colorado State University
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 FedEx.
What is John Hoffmaster's role at FedEx?
John Hoffmaster is listed as Package Handler at FedEx.
What is John Hoffmaster's email address?
AeroLeads has found 1 work email signal at @infosys.com for John Hoffmaster at FedEx.
What is John Hoffmaster's phone number?
AeroLeads has found 4 phone signal(s) with area code 303, 719 for John Hoffmaster at FedEx.
Where is John Hoffmaster based?
John Hoffmaster is based in Lafayette, Colorado, United States while working with FedEx.
What companies has John Hoffmaster worked for?
John Hoffmaster has worked for Fedex, Infosys, Dish Network, Agilent Technologies, and Oxford Lanes.
How can I contact John Hoffmaster?
You can use AeroLeads to view verified contact signals for John Hoffmaster at FedEx, 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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