Tim Ohara
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Tim Ohara Email & Phone Number

Software Director | Cloud Architecture | DevOps Optimization | Site Reliability Engineering | Microservices | Team Leadership | Budget Management | Agile & SAFe Practices at General Motors - OnStar
Location: Atlanta Metropolitan Area, United States 8 work roles 2 schools
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Role
Software Director | Cloud Architecture | DevOps Optimization | Site Reliability Engineering | Microservices | Team Leadership | Budget Management | Agile & SAFe Practices
Location
Atlanta Metropolitan Area, United States
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Tim Ohara is listed as Software Director | Cloud Architecture | DevOps Optimization | Site Reliability Engineering | Microservices | Team Leadership | Budget Management | Agile & SAFe Practices at General Motors - OnStar, a with 117126 employees, based in Atlanta Metropolitan Area, United States. AeroLeads shows a matched LinkedIn profile for Tim Ohara.

Tim Ohara previously worked as Engineering Group Manager - Cloud Development Transformation, Strategy, SRE, DevOps, and Validation at General Motors - Onstar and CIO CTO of independent consulting agency at Irish Crain Consulting. Tim Ohara holds Bs, Computer Science from Grand Valley State University.

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General Motors - OnStar

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About Tim Ohara

Technology | Development | DevOps | Site Reliability Engineering | Manufacturing | Marketing | Advertising As a Software Director with over a decade of experience, I have led transformative software development initiatives for global brands like General Motors and OnStar. I specialize in architecting scalable cloud-based solutions, optimizing DevOps pipelines, and implementing comprehensive Site Reliability Engineering (SRE) strategies to drive efficiency and security improvements. My leadership is focused on delivering innovative IT solutions that consistently enhance both customer-facing technologies and internal processes.Skills: Cloud architecture, microservices, DevOps, Site Reliability Engineering, team leadership, project management, Agile/SAFe methodologies, CI/CD pipelines, Jenkins, AWS, Azure, PCF, GCP, Terraform, Kubernetes, Docker, synthetic monitoring, automated testing, budget management, security optimization, scalable infrastructure, microservices, SLA/SLO/SLI metrics, and cloud cost optimization.General Motors – OnStar October 2011 – PresentEngineering Group ManagerLed large-scale microservices Azure platform development, drove 45% improvement system scalability, 20% reduction cloud costs, 80% acceleration in release cycles, optimized SRE and DevOps for a 99.999% uptime, managing a $7M budget of 7+ projects.General Motors OnStar Optimization/Security ART ManagerDirected releases of 92 OnStar applications, increasing delivery 40%, enhancing security 35%, managed a $3M budget across 20+ projects, reduced downtime 10%.General Motors OnStar and Infotainment Validation ManagerLed 29 engineers, reducing defects by 35% and accelerating time-to-market by 60%, managed a $6M budget and cut project costs by 25%.MRM Worldwide December 2009 – October 2011Served as Front-End Tech Lead for General Motors’s high-traffic public websites, leading a team of 11 developers, resulting in a 40% improved site load and 25% increase user engagement.Bulls Eye Telecom October 2008 – December 2009Presentation Layer ArchitectLed implementation of customer dashboards and website rebuild, resulting in 40% increase in customer engagement and a 40% improvement site load, enhancing user experience.● Quicken Loans, FinTech, Software Architect● Learning Care Group, Web Designer● Absoft Corporation, Web Master● Fairly Painless Advertising, Web Designer● Steelcase, Inc., Developer

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General Motors - OnStar
General Motors - Onstar
Software Director | Cloud Architecture | DevOps Optimization | Site Reliability Engineering | Microservices | Team Leadership | Budget Management | Agile & SAFe Practices
detroit, michigan, united states
Website
Employees
117126
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8 roles

Tim Ohara work experience

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Engineering Group Manager - Cloud Development Transformation, Strategy, Sre, Devops, And Validation

Current

Roswell Ga

Engineering Group ManagerManaged and coordinated multiple release trains for Microservices and Azure Platform Development using SAFe (Scaled Agile) methodologies.Led the transformation from PCF to OCF/AWS/Azure API-Microservices.Implemented DevOps model CI/CD, Security, Observability, Chaos Engineering, End2End MonitoringDeveloped and implemented strategy for Site Reliability Engineering(SRE) including: reducing risk with automated testing, embracing SLA/SLO/SLI/KPI, Synthetic Monitoring, Failure mode assessment, auto scaling infrastructure, reducing redundancySupervised a team of 12 direct reports, handling infrastructure development, triaging, and detailed program planning.Oversaw budgeting, financials, and resourcing within weekly, monthly, and quarterly release cadences.CPSE Optimization/Security ART ManagerDirected and coordinated release trains for GM CPSE applications, managing 17 direct reports.Developed infrastructure strategies, managed security resolutions, and drove the adoption of a DevOps culture.Implemented DevOps model CI/CD, Combined multiple security scans (Sonar/Fortify/Blackduck), Server and API Monitoring, automated regression testing, Code Conjurer AI test driven development Developed and implemented strategy for Site Reliability Engineering(SRE) including: reducing risk with automated testing, Synthetic Monitoring, Failure mode assessment, reducing redundancyResponsible for budgeting, financial management, and resource planning.Validation ManagerLed a team of 29, managing validation strategy and defect resolution for GM Advisor and OLE applications.Developed detailed project plans, managing both financials and resourcing for quality and validation projects.Technical Project Manager – Public WebsitesManaged public-facing GM websites, including OnStar.com and myVolt.com, successfully launching to new global markets.

Oct 2011 - Present

Cio Cto Of Independent Consulting Agency

Current
Irish Crain Consulting

Greater Detroit Area

This is my consulting company. I provide consultation services for business trying to expand their web, mobile, Mobile app, SEO and SEM presence and portfolio. I have a deep understanding to take the best practices of large global enterprise business. Consulted on projects for: Trenton Forging: trentonforging.comCygnus Systems: cygnus-sys.comMedia Connection Advertising: media-connection.com Combined Metals: combmet.comWayne State Physicians Group: wsupgortho.com - wsupgpmr.comScott Clark Medical: scott-clark.com

Jan 2008 - Present

Chief Technology Officer

Media Connection Advertising

Greater Detroit Area

Lead technology decisions and consultations for Media Connection Advertising. This includes requirements, design, delivery and new product offerings for various clients.www.media-connection.com

Jan 2006 - Jun 2018

Presentation Level Architect Development Team Lead

Greater Detroit Area

Project leader/code development lead for GM Public facing websites: Including gm.com, Chevy.com, GMC.comGM.com Front End Tech Lead – Manage and Lead team of 11 developers Resourcing, Estimating, Development Lead and Launch Coordinator of GM.com including a total restructure of directories and paths for SEO purposes, rework launched June 2010, multiple stakeholder coordination involved GMC.com Front End Tech Lead – Resourcing, Estimating, Development Lead and Launch Coordinator of GMC.com This includes the coordination and launching of Model Year Refreshing which launches late summer 2010Starting with www.Chevrolet.com Complete rebuild Silverado HD section for Chicago Auto Show Release Feb 15 2010 in java framework, struts, tiles, css, xml, flash, graphics. Built wire frames and comps and strategy for pages before building. Reviewed and analyzed code, content, graphics and documentation before transitioning to new framework.Chevrolet.com Front End Tech Lead – Resourcing, Estimating, Development Lead and Launch Coordinator of Chevrolet.com This includes the coordination and launching of Model Year Refreshing Analyzed, and coded for SEO.

Dec 2009 - Oct 2011

Presentation Layer Architect

Greater Detroit Area

Planned, coded and executed Dundas customer dashboard implementation. This is part of a customer facing portal https://mba.bullseyetelecom.com/bullseyemba/ that allows online payment, reporting, and snapshot information on product inventory, spend, usage and trending. This site has .net controls and grids to enrich the user experience.Project leader/coder for corporate website complete rebuild www.bullseyetelecom.com in .net, css, c#, flash, graphics. Built wire frames and comps to decide look, feel and strategy for pages before building. Reviewed and analyzed content, graphics and documentation before posting to site.Analyzed, and built case for SEO. Completed an SEO strategy for corporate website including revising keywords, descriptions, titles, content, and restructuring pages. Built Google Adwords Campaign for www.bullseyetelecom.com.Human Factor engineered corporate public facing identity, branding development, visualization, concept and design to print, web and multimedia: brief to completion for professional print & Internet presence. Used focus group, Questionnaire and prototypes.

Oct 2008 - Dec 2009

Software Engineer

Greater Detroit Area

Engineered and architected Emergency Services Planning website. This process used Visio to draw out data model and then produced the objects using LINQ that was moved to SQL database. Created .net solution in C#, CSS, Object Oriented Flash and JavaScript for the front end. This site uses master pages and .net objects and JavaScript to pass objects to flash. Phase 2 is to translate these into web services so JavaScript can be removed.Human Factors Integration of RockWorld – Quicken Loans Intranet site, over 5000 users, high traffic and multiple intranet public and private sites, usability tests, questionnaire, Interviews and observationsReworked Process and Flow UI for existing website. Using Adobe LiveCycle and Flex with a JBOSS and .net(dot net) backend solution for Closing side of the business.Created, developed and maintain the Quicken University intranet site; site was created using Photoshop and DreamWeaver, Site uses HTML, CSS. Site was then moved to Sharepoint content management system(CMS), the site is maintained using Sharepoint and FrontPage.Created, developed and maintain the Web Mortgage Banker intranet site; site was created using Photoshop and DreamWeaver; Site uses HTML, CSS and JavaScript. Site was then moved to Sharepoint content management system, the site is maintained using Sharepoint and Frontpage.CBT/WBT’s created for Mortgage Bankers using Flash, HTML, XML, JavaScript and asp.net for web service calls to three sql databases.

Aug 2005 - Oct 2008

Web Developer/Software Engineer

Learning Care Group

Greater Detroit Area

Managed, designed and maintained four Internet and Intranet sites, which included www.learningcaregroup.com, www.childtime.com and www.tutortime.com. These sites were created using php, html, css, flash, mySQL and myPHPAdmin. Use all web system tools including Adobe Suite, Document management tools, Macromedia Suite, Usage/Statistic analysis and updates. Also worked under the Marketing director creating ads for direct mailings and working on major ad campaign reworking ads for print advertisement.

Aug 2004 - Jan 2005

Software Engineer/Web Master/Test Manager

Absoft Corporation

Greater Detroit Area

Integrated new web system - www.absoft.com. Site created with HTML, DHTML, CSS, Dreamweaver, Javascript and full Adobe suite for graphicsCoded new pages, interactive forum and database asp, php (SQL, mySQL) for support system.Used all web system tools including Adobe Suite, Site Management Tools, Macromedia Suite, Usage/Statistic Analysis and Updates.Provided QA testing for Pro Fortran of Linux, Windows and Macintosh systems. This included writing and running scripts, debugging C/C++, Fortran and intermediate code.Interfaced development for Linux, Windows and Macintosh product. This involved icon creation, button coding, menu creations and causing interface to run executables and GUI programming.Published newsletters, press releases, documentation manuals and handouts using Adobe PageMaker, PhotoShop, Illustrator and Word.

Aug 2001 - Aug 2004
Team & coworkers

Colleagues at General Motors - OnStar

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2 education records

Tim Ohara education

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What company does Tim Ohara work for?

Tim Ohara works for General Motors - OnStar.

What is Tim Ohara's role at General Motors - OnStar?

Tim Ohara is listed as Software Director | Cloud Architecture | DevOps Optimization | Site Reliability Engineering | Microservices | Team Leadership | Budget Management | Agile & SAFe Practices at General Motors - OnStar.

Where is Tim Ohara based?

Tim Ohara is based in Atlanta Metropolitan Area, United States while working with General Motors - OnStar.

What companies has Tim Ohara worked for?

Tim Ohara has worked for General Motors - Onstar, Irish Crain Consulting, Media Connection Advertising, Mrm Worldwide, and Bullseye Telecom.

Who are Tim Ohara's colleagues at General Motors - OnStar?

Tim Ohara's colleagues at General Motors - OnStar include Paul Ellingson, Chintan Dave, Patrick Keers, John Klein-Geltink, and Daniel Silva Santos.

How can I contact Tim Ohara?

You can use AeroLeads to view verified contact signals for Tim Ohara at General Motors - OnStar, including work email, phone, and LinkedIn data when available.

What schools did Tim Ohara attend?

Tim Ohara holds Bs, Computer Science from Grand Valley State University.

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