Mark Lessard Email and Phone Number
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As a Software Engineer I achieve business goals with time and revenue saving solutions to companies through the practical application of development and scripting technologies via code such as C#, python and PowerShell. I look to continue current time and revenue savings of over 20,000 hours and $750,000 by growing my experience in current languages and technologies as well as expanding to several others as business goals might need.SKILLS:● Automation● Development● Scripting● Relational Database● Agile/SCRUM● Version Control● Object Oriented Programming● Release Management● Full Stack Development● SDLC - Software Development Life Cycle● Team TrainingTECHNOLOGIES:● C#, PowerShell, .NET, Python, SQL● WEB, REST APIs● ASP.NET Core● TFS Git, TFVC, SVN● JSON, XML● Visual Studio 2015-2019, Visual Studio code● Windows, Linux● Systems Center Configuration Manager (SCCM), Operations Manager (SCOM)● Active Directory, Failover Clustering● TCP/IP, DNS, iSCSI● CSS, JavaScript, HTMLINDEPENDENT PROJECTS:● Single Board Computers (SBCs): Raspberry Pi● Arduino● Embedded Systems: Atmel, Texas Instruments● C / C++
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Sr. Software EngineerOptum Oct 2020 - PresentEden Prairie , Mn, Us● Developed Azure hosted APIs with hit rates of over 50,000 per week that provide support teams access end device troubleshooting data.● Refactored data collection scripts that increased performance from 3 hours for 1000 data points to 3 minutes for 3000 data points via multithreading and Azure hosted APIs.● Created and deployed APIs with call rates up to 1200 per hour to collect real time data on systems as they experienced the problem reported by the user to L1 Helpdesk.● Coded and deployed an API that alerts L1 helpdesk on users with unique needs based on OS settings and software to aid in faster problem resolution.● Created visualizations of telemetry data from APIs under my exclusive responsibility that aided in the early identification of 3 impactful outages.● Helped reduce data access times by 50 percent from the vendor through detailed reporting on internal API calls that used their products.● Contributed to a 181,000 annual reduction in call incidents by authoring APIs collecting data points used by our Data Scientists.● Scripted the team's automation template in an environment of over 250,000 devices used on all automations logging all aspects of automation processes to quantify results.● Eliminated 11,000 calls to the help desk by scripting interactive end user automation via PowerShell and SysTrack addressing real time connectivity loss.● Saved 100’s of calls for the help desk and slow system response for end user devices through PowerShell automations directly addressing memory leaks. -
Development & Automation EngineerAccenture Oct 2017 - Aug 2020Dublin 2, Ie● Created initial CICD pipelines in TFS 2018 saving over 160 hours development time per yearand providing consistent build and deploy processes across the SCRUM team.● Developed C# library to automate the management of SQL clustered server resources dailyduring their monthly patching cycles for an annual savings of +$100K per year.● Implementing OOP concepts, assisted in developing standardized ASP.NET Core Web APIsolutions exposing mixed APM WEB API capabilities producing an annual ROI of +$650K.● Assisted Architect on establishing TFS 2018 Source and Version Control standards for Gitrepos used across 3 SCRUM, and 2 IT support teams.● Developed C# projects for full stack software utilities patching 6500+ computers monthly.● Integrated 700+ Linux clients into automated patching by developing a Python client thatupdated the C# patching service on the status of the Linux client, stored in Subversion.● Developed C# library linking Linux servers via SSH to patching services saving +300 hours/yr.● Simplified Service Now ticket automation via existing vRO workflows by developing Pythonand PowerShell REST clients to connect +200 employees with this capability.● Participated in 4-person group code reviews in C# as well as advised on HTTP standards.● Ported SCCM PowerShell scripts to C# libraries for performance improvements of 4x to 6x.● Developed Python & C# projects to create standard logging assemblies for use in over 100 ofthe team's automation utilities utilizing object-oriented programming principles.● Set team curriculum and proficiency training standards for all of our 15-20 team offerings.● Worked on a SCRUM team for 3+ years as Automation & Orchestration team member. -
Sr. Systems EngineerAccenture Feb 2007 - Oct 2017Dublin 2, Ie● Built & deployed 3 tier customer application environments via VMware and SCCM indatacenters processing over $79 Billion annually.● Developed server build process in PowerShell saving a total of 6000 – 8000 hours/yr.● Attached and maintained server storage totaling 4PB throughout all datacenters.● Reduced LUN & iSCSI NIC setup time by 75% having developed PowerShell automation.● Member of a global team that built and maintained Multi-node clustered SQL servers thatprocessed 275 Billion booking searches annually.● Assisted in the company's P1/P2 MTTR metric of 32 minutes by developing automation tocollate select Event and Cluster Log line items.● Developed Active Directory build automation in PowerShell that assigns 100’s of Group PolicyObjects to the appropriate Organizational Units in minutes.● Troubleshot customer environments in production datacenters across multiple VLANs that run900 deployed applications.● Mitigated errors and sped translation by developing Firewall rule translator that re-wrotefirewall rules from legacy rules to new CISCO format on 10+ production firewalls.● Developed PowerShell utilities deployed via SCCM on 5000+ clients.● Created, trained and lead an Automation team of 3 coders within the IT Server Team whichare still adding to the 6000+ original hours saved in automation.● Conducted code reviews for team members on 50+ supported PowerShell scripts.● Established the first shared source control standards for initial 3 IT teams via TeamFoundation Version Control.
Mark Lessard Education Details
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University Of MinnesotaComputer Science
Frequently Asked Questions about Mark Lessard
What company does Mark Lessard work for?
Mark Lessard works for Optum
What is Mark Lessard's role at the current company?
Mark Lessard's current role is Sr. Software Engineer at Optum.
What is Mark Lessard's email address?
Mark Lessard's email address is ma****@****ure.com
What is Mark Lessard's direct phone number?
Mark Lessard's direct phone number is (310)-726*****
What schools did Mark Lessard attend?
Mark Lessard attended University Of Minnesota.
Who are Mark Lessard's colleagues?
Mark Lessard's colleagues are Ricky Chen, Balraj Pitlola, Gladys Crystal C. Parabuac, Monique Lindsey, Michelle Y., Betsy Heilman, Jason Braun.
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