Systems Administrator Senior

Matthew W. Lenhard ***–***–****

Rochester, NY **************@*****.***

Senior Systems Administrator with 25+ years of experience, looking for a challenging role in a dynamic organization. Expert in data center infrastructure, data analytics, Business Intelligence, technical troubleshooting, and software and hardware configuration. Initiative-taking, meticulous, and passionate about solving complex support issues and meeting key metrics such as ROI, SLAs, and ticket reduction. Committed to ensuring the smooth functioning of data computer processing & analytics environments. Senior Systems Administrator

Safran (French Aerospace Company)

April 2024 – May 2025

Supported Safran, a global aerospace manufacturer competing with GE, through its post-acquisition merger by leading network and Active Directory (AD) server migrations to ensure seamless integration and minimal disruption to operations. My responsibilities included overseeing AD server transitions, maintaining network stability and security, and collaborating with cross-functional teams to optimize migration processes. Additionally, I contributed to multiple high-visibility projects, managing change requests, troubleshooting complex network and AD-related issues, and driving infrastructure modernization efforts. My role expanded to include physical-to-virtual (P2V) migrations and transitioning on-premises server infrastructure to AWS-hosted environments, enhancing scalability, efficiency, and long-term operational resilience. Senior Systems & Tableau Administrator

L3Harris - Rochester, NY

October 2013 - August 2023

I oversaw and supported the IT hardware infrastructure and software applications in multiple data centers for the corporate network at L3Harris. I resolved ServiceNow tickets from end users and IT colleagues related to highly available applications hosted locally or remotely on the WAN or the Azure cloud. I participated in a weekly 24/7 rotation schedule to provide technical support in person, by phone, or remotely and ensured the increase of Mean Time Between Failure by maintaining redundant, stable, and well monitored systems and applications. Responsibilities & Highlights

• Principal Tableau Subject Matter Expert (SME) who installed, managed, and supported the Tableau infrastructure from 2014, growing from a single departmental server to an enterprise-wide, high-availability, multi-site solution by division for over 15,000 developers & end users. My Tableau duties included troubleshooting data warehouses & data source connections and performance issues, resolving Tableau support tickets, and administering core-based & role-based Tableau licenses for the multi-site environment.

• Participated as a SME in the domain consolidation project for the enterprise, simplifying management and usability and increasing security after years of acquisitions and mergers, which resulted in over 80 separate domains and a complex data-sharing environment.

• As a SME for my team’s VMware virtual environment on Dell and HPE blade hardware, I planned and executed hundreds of server migrations to the VMware virtual hosts, eliminating costly legacy physical servers and reducing service contract, cooling, and electrical costs for my department. Created and maintained VM images and templates for

• As the principal disaster recovery resource for multiple local data centers, I successfully managed legacy multi-cabinet Qualstar robotic tape libraries. Additionally, I led a project to modernize our DR solution by migrating servers and applications to a hybrid cloud-based, simplified DR SaaS Solution by Cohesity. This transition resulted in substantial cost savings, eliminating over $160,000/year in obsolete maintenance contracts. Work Experience Authorized to work in the US for any employer. Matthew Lenhard Page 2 of 3

General Duties & Skills Utilized

• HW & VM Server and Application installation, maintenance, system imaging, performance monitoring, analysis, and support.

• Ensured redundancies and stability for all critical systems.

• Ensured data protection and recoverability for all supported systems.

• Participated in 24/7 on-call support rotation schedule for system availability and staff maintenance and support.

• HW & SW Vendor Management includes supervision of implementation and support service contracts. Senior Systems Administrator

Temporary Contract Position (Annese / Genuent & ProSystems) - Rochester, NY February 2013 to September 2013

• Assisted in a 2000+ handset Cisco IP phone system rollout for all Corning, NY / Painted Post Schools

• Configured 100+ Cisco 45xx 10 Bay Dual Sup switches & rollout for Erie Community College in Buffalo, NY

• Planned the upgrade of VMware migration from version 4.x to 5.x without service interruption.

• Researched and implemented host hardware upgrades to improve performance of the VMware hosts and virtual servers. IT Department Manager & Senior Systems Administrator Premium Mortgage Corp. - Rochester, NY

June 2012 to February 2013

• Replaced 15 physical machines with a VMware vSphere solution including multiple redundant server heads and Dell EqualLogic Storage reducing the server footprint from multiple racks to half a rack at our main corporate site.

• Migrated corporate email from a poor performing BPOS / Office 365 solution to an in-house MS Exchange 2010 Server in the Virtual VMware environment including the successful migration of all historical corporate email & data from offsite.

• Replaced a failing corporate firewall (SonicWALL) with new 2nd Gen Firewall / SSL VPN solution by Palo Alto

• Implemented a new Dell AppAssure backup solution for the VMware environment that supplied hot spare VMs for all corporate servers which replicated to another Dell AppAssure Core offsite in a branch location for Disaster Recovery redundancy.

Senior Systems Administrator

University of Rochester Medical Center

(ISD / CAS) - Rochester, NY

December 2011 to June 2012

• Assisted in a substantial Go-Live of the eRecord system to the Ambulatory portion of the medical center.

• Delivered excellent customer service to internal customers by resolving their ticketed issues at the help desk.

• Imaged Windows 7 workstations via SCCM and handled customer machine & AD issues. IT Department Manager

Boylan Code LLP (aka – Boylan, Brown, Code, Vigdor & Wilson, LLP) - Rochester, NY January 2003 to October 2011

• Virtualized Server Room reducing server footprint using Microsoft Windows & Hyper-V connected to midsize NAS HW.

• Eliminated costly & unreliable tape backup system by implementing & managing DR as a service in the cloud.

• Trained end users on how to use virtual remote desktops to access their data over VPN.

• Successfully managed and implemented a Windows 2008 AD upgrade from a Windows NT 4.0 based domain structure.

• Successfully migrated from MS Exchange 5.5 & 2003 based email servers to MS Exchange 2007 & AD 2008

• Rolled out an HD Multi Point video conference suite from conception to product selection& installation.

• Implemented & managed a new Cisco IP Phone System with 80 phones utilizing user benefits such as speed dial. Matthew Lenhard Page 3 of 3

Voice & Data IT Infrastructure Consultant

SoHo Network Design - Rochester, NY

January 2001 to December 2002

• Provided data and voice technology-based consulting services to mid-sized companies that lacked an in-house IT Department.

IT Manager & Senior Systems Administrator

The Doyle Group, Inc. - Rochester, NY

January 1997 to December 2000

• Slashed the yearly operating budget by 20% by renegotiating WAN & Telcom contracts realizing over $200,000 yearly savings.

• Managed the information technology group supporting business operations at headquarters and 12 remote multi-state sites.

• Managed the deployment of a new accounting system utilizing load balancing Citrix Meta frame servers. System Administrator

Eastman Kodak Company - Rochester, NY

January 1996 to December 1997

• Repaired/maintained/installed computer software and hardware for internal customers.

• Utilized complex networking software and equipment to connect worldwide users to servers on the Kodak backbone.

• Facilitated testing of all new software, while consulting with vendors, to solve any potential deployment issues.

• Performed authorized warranty work for Hewlett Packard, IBM, Apple, and other computer manufacturers. Education

Bachelor of Science 1994

State University of New York, College at Brockport - Brockport, NY Certifications and Licenses

Tableau Server Associate

MCSE

CompTIA A+

CompTIA Network+

Cisco CCNA

Contact this candidate