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Thomas R. Email & Phone Number

Principal Security Engineer at Optum
Location: Commerce City, Colorado, United States 15 work roles 2 schools
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Current company
Role
Principal Security Engineer
Location
Commerce City, Colorado, United States
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Thomas R. is listed as Principal Security Engineer at Optum, a with 97827 employees, based in Commerce City, Colorado, United States. AeroLeads shows a matched LinkedIn profile for Thomas R..

Thomas R. previously worked as Sr. Security Engineer at Unitedhealth Group and Sr. Data Engineer at Optum Technology Inc. Thomas R. holds Management Information Systems from Boulder Valley Vocational Technical Institute.

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Optum

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Profile bio

About Thomas R.

I am known for being a detail-oriented and creative problem solver with a track record of solving complex tech challenges including creating solutions on my own. I am also known for effectively troubleshooting by doing root cause analysis and eliminating configuration issues. I am passionate about automating complex tasks to allow more time for innovation.

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Optum
Optum
Principal Security Engineer
Commerce City, CO, US
Website
Employees
97827
AeroLeads page
15 roles

Thomas R. work experience

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

Principal Security Engineer

Commerce City, Co, Us

Sr. Data Engineer

Optum Technology Inc
Dec 2020 - Jun 2021

Mts Sw (Software Engineer In Test)

Boulder, Colorado, United States

Work in an Agile and SAFe™ environment to automatically generate complete customer environments in order to test SolidFire storage clusters in a way that closely resembles how customers actually use the product. * I saved countless hours of analyzing SolidFire volume statistics by creating a Golang microservice to collect data from SF clusters and loading it into a Graphite database, which allowed my team to easily look at QoS performance and configure it very quickly to optimize all the… Show more Work in an Agile and SAFe™ environment to automatically generate complete customer environments in order to test SolidFire storage clusters in a way that closely resembles how customers actually use the product. * I saved countless hours of analyzing SolidFire volume statistics by creating a Golang microservice to collect data from SF clusters and loading it into a Graphite database, which allowed my team to easily look at QoS performance and configure it very quickly to optimize all the workloads quickly. * I saved hours of time configuring a Promethus monitoring system with hundreds of virtual machines by completely automating the addition and removal dynamically of systems as they are brought up using event-based triggers, microservices written in Golang, kubernetes and python which enabled completely hands-off approach to infrastructure configuration. Show less

Jun 2017 - Oct 2020

Mts Qa

Boulder, Co

Work in an Agile and SAFe™ environment to create environments and scenarios that closely resemble an actual customer environment to test and evaluate SolidFire storage clusters. * I saved a ton of time and allowed my team to focus on testing our storage systems by automating the creating of entire customer environments that place our storage cluster in a customer-like environment. * I saved a days worth of work by developing automation to collect Vdbench output directories from… Show more Work in an Agile and SAFe™ environment to create environments and scenarios that closely resemble an actual customer environment to test and evaluate SolidFire storage clusters. * I saved a ton of time and allowed my team to focus on testing our storage systems by automating the creating of entire customer environments that place our storage cluster in a customer-like environment. * I saved a days worth of work by developing automation to collect Vdbench output directories from hundreds of virtual machines and process them centrally to upload data to an Elasticsearch index. This allowed my team to quickly analyze results graphically using tools like Kibana and Grafana to find inconsistencies with our test runs. * I made my team more efficient and improved onboarding time by creating a maintaining a wiki that documented all my automation thoroughly, customer environments, best practices and common troubleshooting techniques. Show less

Feb 2016 - Jun 2017

Solutions Quality Engineer

Boulder, Colorado

Work in an Agile environment to develop customer-like environments to test and evaluate SolidFire storage clusters. * I saved 90% of the space used for virtual machine templates by creating only a single base template for Ubuntu, RHEL and Windows OS' and created Saltstack orchestrations and python scripts to build them up dynamically to their destination configuration. * Saved my team countless days of troubleshooting hundreds of virtual machines by creating a centralized logging… Show more Work in an Agile environment to develop customer-like environments to test and evaluate SolidFire storage clusters. * I saved 90% of the space used for virtual machine templates by creating only a single base template for Ubuntu, RHEL and Windows OS' and created Saltstack orchestrations and python scripts to build them up dynamically to their destination configuration. * Saved my team countless days of troubleshooting hundreds of virtual machines by creating a centralized logging solution with Elasticsearch, Logstash and Kibana. * I Reduced the time to deploy network infrastructure services like DNS, DHCP, PXE and Hypervisors to 15 minutes from a whole day affair by automating the entire process with Saltstack and python. This also enabled me to build infrastructure with code and made creating test environments repeatable and consistent. * I automated the installation and configuration of DNS, DHCP, PXE and other infrastructure systems to bring a base physical Ubuntu system into a KVM Hypervisor running virtual machines with Vdbench, testing filesystems against a SolidFire cluster in under 15 minutes. Show less

Apr 2015 - Feb 2016

Escalation Engineer

Escalation Engineer on the Federal team supporting government support contracts.

Apr 2010 - Apr 2015

Sr. It Administrator

Tasks at present include helping the transition project complete splitting of Rogue Wave Software, and ISD/Quovadx into seperate entities after Battery Ventures purchased Quovadx (Rogue Wave's parent company at the time). I am responsible for splitting up the UNIX-based and virtual infrastructure based on VMware for each company.

Oct 2007 - Jan 2010

Owner

Chaos Consulting Group, Llc

Own a company that provides both System Administration and Software Engineering specializing in web sites to customers.

Apr 2000 - Dec 2009

Sr. Systems Administrator

Sr. UNIX/Windows Systems Administrator for the company and it's 3 divisions, Rogue Wave Software, ISD/Quovadx, and CareScience. Responsible for OS Support and SOX certification on the companies Oracle Financials systems. Responsible for supporting web developers and automating all web-based updates and activities, including custom programming to support Adobe Contribute. Provide support to software developers by doing common systems administration tasks on build servers of all different UNIX… Show more Sr. UNIX/Windows Systems Administrator for the company and it's 3 divisions, Rogue Wave Software, ISD/Quovadx, and CareScience. Responsible for OS Support and SOX certification on the companies Oracle Financials systems. Responsible for supporting web developers and automating all web-based updates and activities, including custom programming to support Adobe Contribute. Provide support to software developers by doing common systems administration tasks on build servers of all different UNIX flavors. For the last 3 months, I helped split Rogue Wave Software, and ISD/Quovadx into 2 seperate entities as the company has been purchased by Battery Ventures. I am a member of the transition team responsible primarily for splitting the companies UNIX-based systems, and virtual infrastructure running on VMWare. Show less

Mar 2006 - Oct 2007

Systems Administrator

System administrator supporting mostly Solaris systems for Galileo's Co-Location project.

Oct 2000 - Mar 2001

Computer Operator/Unix Systems Administrator

Started out as AS/400 Operator, then after about a year moved to become the only UNIX Systems Administrator for the Denver office. I managed mainly Solaris and HP-UX systems running Oracle.

Jul 1998 - Aug 2000

Qa Analyst

Performed QA tasks on software created for Qwest's JD Edwards billing system running off of their AS/400 platform.

Aug 1997 - Jun 1998

Qa Analyst

Performed QA on CAD Applications created by Auto-Trol Technology. Software was QA'd on various platforms including Solaris, HP-UX, AIX, and Windows.

Jun 1996 - Aug 1997

Computer Operator/Help Desk

Leanin' Tree, Inc.

Performed help desk duties for users consisting of Windows, Macintosh, Solaris, AS/400, and Windows NT users. Included many system administration tasks for all platforms above.

May 1995 - Jun 1996
Team & coworkers

Colleagues at Optum

Other employees you can reach at optum.com. View company contacts for 97827 employees →

2 education records

Thomas R. education

Management Information Systems

Boulder Valley Vocational Technical Institute

Activities and Societies: Attended classes specific to IS fields, including AS/400, Novell Netware, S/36, Mainframe programming (JCL.

Diploma, Various

Broomfield High School
FAQ

Frequently asked questions about Thomas R.

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

What company does Thomas R. work for?

Thomas R. works for Optum.

What is Thomas R.'s role at Optum?

Thomas R. is listed as Principal Security Engineer at Optum.

Where is Thomas R. based?

Thomas R. is based in Commerce City, Colorado, United States while working with Optum.

What companies has Thomas R. worked for?

Thomas R. has worked for Optum, Unitedhealth Group, Optum Technology Inc, Netapp Solidfire, and Solidfire, Inc..

Who are Thomas R.'s colleagues at Optum?

Thomas R.'s colleagues at Optum include Michelle Ronan, Cpc, Subash Jayakumar, Jeremy Cunningham-Allbert, Samjuktha Yarramsetti, and Deepak Sinha.

How can I contact Thomas R.?

You can use AeroLeads to view verified contact signals for Thomas R. at Optum, including work email, phone, and LinkedIn data when available.

What schools did Thomas R. attend?

Thomas R. holds Management Information Systems from Boulder Valley Vocational Technical Institute.

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