Jeffrey Allen Ullmann

aduni1@r.postjobfree.com

https://ullmann.com

+1-408-***-****

*** *. ******** ******

Sunnyvale, CA 94086

Summary of Skills

IT Operations Management

Global Team Management

User Management

Licensing

Security

Build Systems

Digital Certificates

Workspot, Inc.

IT Operations Manager

December 2016 - June 2022

Sourced, qualified and managed network contractors for local maintenance.

Assigned and prioritized tasks of operations team members.

Initiated and developed new cloud environments in support of the company’s development processes,

including multiple cloud environments for global sales and support staff.

Monitored for and investigated security breaches. Remediated when necessary. Recommended and implemented changes in processes.

Sourced, evaluated, and implemented a secure password management and sharing system, including Single Sign-On and the identification and elimination of potential malicious access or attacks.

Sourced, purchased, and managed internet domains, cloud based and local name servers. Configured Azure and GCP as redundant name servers for primary domain.

Created user onboarding and separation process. Worked with HR to coordinate and verify onboarding was SOC compliant.

Managed users in multiple environments including Active Directory, Azure AD, Google Workspaces/G-Suite, GCP and AWS.

Created and managed cloud-based Windows AD environment and desktops

Installed and managed Jira Service Desk ticket tracking system for the company. Created custom workflows and other modifications, as necessary.

Created and maintained a secure, distributed multi-OS build environment using Jenkins. Single Jenkins Server controlled and reported build status for Windows, MacOS, iOS, and various Linux distributions.

Developed and managed PKI infrastructure, including signing Windows releases for release, internal CA, certificates for Workspot and customer resources and S/MIME among others.

Worked with developers to define use internal and customer facing security protocols.

Identified, set up and managed data center (racks in co-location provider) for hosting servers used by development and QA.

Investigated email and services security breaches, remediated when necessary, and implemented changes to processes.

GDPR and SOC IT and user onboarding/offboarding audits.

Put in place correct certificates for web servers and gateways, digitally signing email, and signing code for release binaries.

Sourced, purchased and distributed all digital certificates.

Sourced, purchased and installed certificates from DigiCert and Let's Encrypt to appropriate servers and gateways.

Teamed with engineering to design system to automatically request and install certificates on gateways.

Set up secure build system to automatically code sign all Windows binaries.

Signed all release binaries with Extended Valuation (EV) certificates

Managed the acquisition and updating of licenses used internally, lifecycle management of infrastructure hardware assets, software assets and software licenses

DTex Systems

Senior QA Engineer

2015 - 2016

Extended the companies Jenkins build environment to automate initial install tests on all supported Windows platforms (Windows 7, Windows 8.1, Windows 10, both x86 and x64) onto clean OS's.

Automated signing installers with EV certificates as part of the build process.

Reduced environment validation and set up time from 2-3 days to 2 hours. This reduced the time necessary to bring customers on-line and allowed more comprehensive testing by developers and QA.

Scripted multi-step tests for installation, including necessary reboots. This allowed install tests to be triggered by the build process.

Identified and documented process for customizing DTex Windows msi package for individual customers, including using Windows GPO and third-party enterprise managers.

Wrote C code and updated the Windows installer package to allow the DTex application to correctly hook into the system during installation.

Converted manual process of creating an installable 'zip' file to an automated process. While also adding company branding and logo.

Palo Alto Networks

Software Quality Assurance Engineer

2011 - 2014

In charge of testing network protocol stack (OSI Layers 2 thru 7) as handled by Palo Alto Network devices.

Reproduced customer specific networking environment to validate fixes of reported problems.

Verified fixes of patch releases of PANOS before general release. This was for all supported features and protocols.

Created tests and infrastructure for MFA using TOTP (Time-based One-Time Password) protocol.

Citrix Systems, Inc.

Manager Engineering Services

2006 - 2010

Managed team of 21 QA engineers in the USA and India across 5 projects. Responsible for providing ongoing training and mentoring of team members, and annual performance reviews. Reviewed group’s workflows, statuses, test cases.

Oversaw issues found with testing and reported by the fields. and worked with stake holders to prioritize fixes.

Created and managed multiple Windows client and Linux virtual appliance build systems. Systems automatically built, packaged for delivery, and ran initial smoke tests after code check-in.

Created and implemented a fully automated (hands off) build environment for both Windows applications, Xen Virtual appliances, and VMware virtual appliances. Builds automatically triggered by developer's check-in, outputs consisted of Windows installer package, Linux RPM, Xen appliance, VMWare appliance, and running virtual machines in the QA lab.

Additional skills

Tools

Collaboration Platforms

Office 365

Microsoft Teams

Google Workspaces (G-Suite)

Environments

Windows Server

Windows Desktop

Active Directory

Azure AD

Linux configuration - multiple distributions

MacOS

Cloud Platforms

Azure

Azure AD

GCP

AWS

Virtualization Environments

Hyper-V

VMWare

Nutanix

AWS

Multiple issue (bug) tracking systems

Phone & Conferencing Tools

Microsoft Teams

Microsoft Teams Rooms

Zoom Chat

Google Meet

RingCentral

Slack

Atlassian

Jira

Jira Service Desk

Status Page

Internet Protocols

DNS

HTTP

HTTPS

RDP

SSH

IPSEC

SAML (Security Assertion Markup Language)

TOTP (Time Based One-Time Password)

PKI Certificates

VLAN

SMTP

IMAP

POP

SSL

S/MIME

Languages and Scripting

PowerShell

Wireshark/tcpdump

JavaScript

C/C++

BASH

Python

Operating Systems Experience

Windows Desktop

Windows Server

MacOS

iOS

Ubuntu/Debian

CentOS/Fedora

FreeBSD

Education

The Evergreen State College

Bachelor of Arts - Computer Science

Student Originated Software

Golden Gate University

Postgraduate project management courses

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