AeroLeads people directory · profile

Timothy Longueil Email & Phone Number

Sr. Systems and Network Engineer | Microsoft 365 Enterprise Administrator Expert | Microsoft Teams Voice Engineer Expert at Cornerstone Research
Location: Schaumburg, Illinois, United States 10 work roles 2 schools
2 work emails found @sikich.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails

Work email t****@sikich.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Sr. Systems and Network Engineer | Microsoft 365 Enterprise Administrator Expert | Microsoft Teams Voice Engineer Expert
Location
Schaumburg, Illinois, United States
Company size

Who is Timothy Longueil? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Timothy Longueil is listed as Sr. Systems and Network Engineer | Microsoft 365 Enterprise Administrator Expert | Microsoft Teams Voice Engineer Expert at Cornerstone Research, a with 501 employees, based in Schaumburg, Illinois, United States. AeroLeads shows a work email signal at sikich.com and a matched LinkedIn profile for Timothy Longueil.

Timothy Longueil previously worked as Sr. Systems and Network Engineer, Network Operations at Cornerstone Research and Senior Network Consultant at Sikich. Timothy Longueil holds Bachelor Of Science, Business Administration, Management And Operations from Roosevelt University.

Company email context

Email format at Cornerstone Research

This section adds company-level context without repeating Timothy Longueil's masked contact details.

{first_initial}{last}@sikich.com
89% confidence

AeroLeads found 2 current-domain work email signals for Timothy Longueil. Compare company email patterns before reaching out.

Profile bio

About Timothy Longueil

I have been an IT Professional for about 9 years, but technology has been a hobby my whole life. I attended Roosevelt University for my Bachelors Degree in Business Administration, which has given me the skills needed to succeed in such a vast growing industry. I am a driven individual that is able to utilize advanced techniques and creative solutions to provide my clients with the correct business solutions to maximize gross profit and minimize potential downtime of critical systemsI am a huge golfer, snowboarder and Chicago Blackhawks fan, and when I'm not working I can be found watching a game, or out on the course / slopes. QUALIFICATIONS▪ IT Professional• Excellent interpersonal skills, enthusiastic, conscientious and detailed oriented• Proactive communicator, possessing professional and outgoing demeanor, highly motivated• Knowledgeable in Networking, DHCP, TCP/IP, VoIP, VLANs, Routing, and DNS • Advanced in Microsoft Office, Mac OS, Windows, Adobe software, Apple Devices and other Hardware.▪ Excellent problem solver, motivated and goal oriented, analytical, and extremely quick learner.▪ Able to audit networks for IT Compliance certifications (HIPAA, PCI DSS, Etc)

Listed skills include Microsoft Office, Customer Service, Leadership, Employee Training, and 35 others.

Current workplace

Timothy Longueil's current company

Company context helps verify the profile and gives searchers a useful next step.

Cornerstone Research
Cornerstone Research
Sr. Systems and Network Engineer | Microsoft 365 Enterprise Administrator Expert | Microsoft Teams Voice Engineer Expert
Website
Employees
501
AeroLeads page
10 roles

Timothy Longueil work experience

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

Sr. Systems And Network Engineer, Network Operations

Current

San Francisco, Ca, Us

•Build and administer Windows Servers (File, Application, RDS, and SQL Servers).•Administer VMWare environment, building virtual machines, managing resources, storage utilization, and monitoring system health.•Administer backup systems, monitor backup processes, perform periodic Disaster Recovery testing.•Manage storage systems, including SAN, NAS, and physical server storage.•Administer network file, folder share, and computing device/system access by enforcing IT security policies, procedures, and audit controls.•Troubleshoot hardware, software, and network issues.•Monitor and report on firmwide network status, including Active Directory, WAN/LAN, internet, File/Print servers, Exchange, and specialized application servers.•Coordinate network changes and network management with other Network Operations staff.•Establish and maintain network and system documentation.•Assist with budget planning and branch office buildouts.•Maintain the confidentiality, security and integrity of Cornerstone’s network and computer systems.•Participate in on-call rotation; responding to network outages 24x7.

Apr 2022 - Present

Senior Network Consultant

Chicago, Illinois, Us

• Responsible for carrying out on-going server and desktop support for the company or on a client-site, as directed by Senior Network Consultant. Network engineering work includes the full product life cycle – from putting together a technical specification, through to design, implementation, testing and installation, support and training.• Specific responsibilities include installation, support and documentation. I am usually provided with the specifics of the solution to be implemented along with a project plan by the Senior Network Consultant on a project. • A firm understanding of the core functionality of Microsoft products, Microsoft Desktop Operating Systems, Anti-Virus/Anti-Spyware, Backup and Recovery methods, and network infrastructure are utilized • Manage client email, anti-spam, web filtering / proxies, virus protection, backups, servers, desktop/laptop workstations, printers, wireless access points, firewalls, Internet Modems, mobile devices and other IT related equipment and services.• Manage and deploy Hosted Cloud services (Mimecast, Datto, Office365, Azure, etc)• Manage Active Directory domains, Microsoft Windows Server 2003 – 2012 R2, Microsoft Exchange Server 2007-2013, VMWare ESXi Virtual Environments and Sonicwall Firewalls.• Ability to handle multiple tasks and meet tight deadlines while maintaining communication between all members involved. (Vendors, On-site Engineers, Clients)• Manage key devices in the network infrastructure (Firewalls, Switches, Routers, Cable / T1 modems, Routing, DNS/DHCP, VPN, IPSec Site to Site)• Secure Network infrastructure by disabling unwanted ports and services, managing access control lists, and utilizing network-monitoring tools.• Strong knowledge of networking, Network Address Translation, TCP/IP Protocols, NAS Technologies, LAN & WAN Technologies, HTTP, problem identification and resolution.

Dec 2017 - Apr 2022

Network Consultant

Chicago, Illinois, Us

• Responsible for carrying out on-going server and desktop support for the company or on a client-site, as directed by Senior Network Consultant. Network engineering work includes the full product life cycle – from putting together a technical specification, through to design, implementation, testing and installation, support and training.• Specific responsibilities include installation, support and documentation. I am usually provided with the specifics of the solution to be implemented along with a project plan by the Senior Network Consultant on a project. • A firm understanding of the core functionality of Microsoft products, Microsoft Desktop Operating Systems, Anti-Virus/Anti-Spyware, Backup and Recovery methods, and network infrastructure are utilized • Manage client email, anti-spam, web filtering / proxies, virus protection, backups, servers, desktop/laptop workstations, printers, wireless access points, firewalls, Internet Modems, mobile devices and other IT related equipment and services.• Manage and deploy Hosted Cloud services (Mimecast, Datto, Office365, Azure, etc)• Manage Active Directory domains, Microsoft Windows Server 2003 – 2012 R2, Microsoft Exchange Server 2007-2013, VMWare ESXi Virtual Environments and Sonicwall Firewalls.• Ability to handle multiple tasks and meet tight deadlines while maintaining communication between all members involved. (Vendors, On-site Engineers, Clients)• Manage key devices in the network infrastructure (Firewalls, Switches, Routers, Cable / T1 modems, Routing, DNS/DHCP, VPN, IPSec Site to Site)• Secure Network infrastructure by disabling unwanted ports and services, managing access control lists, and utilizing network-monitoring tools.• Strong knowledge of networking, Network Address Translation, TCP/IP Protocols, NAS Technologies, LAN & WAN Technologies, HTTP, problem identification and resolution.

May 2016 - Dec 2017

Network Engineer

Schaumburg, Il, Us

• Manage client email, anti-spam, web filtering / proxies, virus protection, backups, servers, desktop/laptop workstations, printers, wireless access points, firewalls, Internet Modems, mobile devices and other IT related equipment and services.• Manage Hosted Cloud services (Appriver, Office365, Azure, etc)• Manage Active Directory domains, Microsoft Windows Server 2003 – 2012R2, Microsoft Exchange Server 2007-2013, VMWare ESXi Virtual Environments and Cisco iOS Firewalls.• Support, diagnose, and resolve issues discovered on desktop operating systems including: Windows XP, Windows 7/8, Windows 10, Mac OSX 10.6 through 10.11 El Capitan.• Build relationships with clients on a first name basis by working support calls on our helpdesk and generating work tickets, updating clients, working with vendors and managing client expectations and timeframes. • Ability to handle multiple tasks and meet tight deadlines while maintaining communication between all members involved. (Vendors, On-site Engineers, Clients)• Manage key devices in the network infrastructure (Firewalls, Switches, Routers, Cable / T1 modems, Routing, DNS/DHCP, VPN, IPSec Tunnels between multiple sites)• Integrate system peripheral devices into users’ workstations (Printers, Scanners, Postage Meters, Label Makers, External Storage Devices) • Secure Network infrastructure by disabling unwanted ports and services, managing access control lists, and utilizing network-monitoring tools.• Strong knowledge of networking, Network Address Translation, TCP/IP Protocols, NAS Technologies, LAN & WAN Technologies, HTTP, problem identification and resolution. • Knowledgeable with deployment, maintenance, and integration of Apple hardware into the Windows Domain Environment• Order Parts and build / deploy workstations and servers for clients while maintaining strict timeframes.• Audit and Secure Corporate Networks and devices to be compliant with IT Compliance Standards: HIPAA / PCI / Etc.

Feb 2015 - May 2016

Network Engineer

Rolling Meadows, Il, Us

• Manage client email, anti-spam, web filtering / proxies, virus protection, backups, servers, desktop/laptop workstations, printers, wireless access points, firewalls, Internet Modems, mobile devices and other IT related equipment and services.• Manage Active Directory domains, Microsoft Windows Server 2003 – 2012R2, Microsoft Exchange Server 2007-2013, VMWare ESXi Virtual Environments and PfSense Firewalls.• Support, diagnose, and resolve issues discovered on desktop operating systems including: Windows XP, Windows 7 and Windows 8, Mac OSX 10.6 through 10.10 Yosemite.• Build relationships with clients on a first name basis by working support calls on our helpdesk and generating work tickets, updating clients, working with vendors and managing client expectations and timeframes. • Ability to handle multiple tasks and meet tight deadlines while maintaining communication between all members involved. (Vendors, On-site Engineers, Clients)• Manage key devices in the network infrastructure (Firewalls, Switches, Routers, Cable / T1 modems, Routing, DNS/DHCP, VPN, IPSec Tunnels between multiple sites)• Integrate system peripheral devices into users’ workstations (Printers, Scanners, Postage Meters, Label Makers, External Storage Devices) • Secure Network infrastructure by disabling unwanted ports and services, managing access control lists, and utilizing network-monitoring tools.• Strong knowledge of networking, Network Address Translation, TCP/IP Protocols, NAS Technologies, LAN & WAN Technologies, HTTP, problem identification and resolution. • Knowledgeable with deployment, maintenance, and integration of Apple hardware into the Windows Active Directory Domain Environment (iOS Devices, OSX 10.6 Snow Leopard – 10.10 Yosemite, OSX Server)Promote additional services to contribute to overall profits and client satisfaction.• Knowledgeable with Labtech and VisionApp RMM software, as well as Connectwise and Solarwinds Web Helpdesk PSA software.

Feb 2014 - Feb 2015

Snow And Ice Operations

Schaumburg, Illinois, Us

· Under the supervision and general direction of a Foreman and/or appropriate crew leader, performs snow and ice removal operations on village streets, village owned parking lots, and sidewalks adjacent to village facilities on a temporary as needed basis.· Drive pickup truck with snow plows or operate four wheel and six wheel dump trucks with snow plows. Use simple tools. Salt and shovel sidewalks. Carry and wheel heavy material. Clean up after completed jobs. · Perform a variety of routine unskilled manual tasks as necessary.· Ensure safety measures are adhered to at all times to avoid unnecessary damage or injuries

Dec 2013 - Mar 2014

Perishable Quoting Agent

Itasca, Illinois, Us

· Manage new and existing customer accounts to assure accurate and timely delivery· Build relationships with customers on a first name basis and work with vendors to gather competitive quote details.· Serve as a liaison between the sales manager and customer to enhance service experience.· Promote additional services to contribute to overall profit.· Interact with various agents to set up quotes, routes and rates for international and domestic freight shipments. · Review the process and take immediate action to correct or solve issues that may occur.· Suggest improvements in procedures that will increase efficiency, reduce errors and better serve our customers· Ability to handle multiple tasks and meet tight deadlines.

Oct 2013 - Feb 2014

Expediter Manager And Server

Cheesecake Factory

· Managed 85+ employees at one time in a medium sized restaurant of about 300 employees.· Run and attend store sales meetings, help develop and integrate new employee incentive strategies.· In charge of the kitchen and food quality and timeliness while acting liaison between cooks, servers, and managers.· Offer exceptional customer service and respond to customer grievances promptly and correct any issues immediately.· Guide the learning process for new employees toward the achievement in the restaurant by communicating objectives of the position and helping the new employee thrive in their new job.· Assist the management in executing all policies and rules governing the restaurant grounds.· Consistently maintain and update my knowledge in new menu items and promotions and ensured cooks adhered to recipe changes and additions.

Sep 2010 - Dec 2013

Rock Wall Supervisor And Lifeguard

Chanhassen, Mn, Us

· Directed employees, maintained and created weekly schedule.· Enforced strict safety rules with all patrons and staff to ensure no accidents happened while under my watch.· Provided customer service to patrons by giving information regarding rock climbing facilities, rules, and regulations.· Upheld a commitment to the operation of a safe and effective environment and ensures that all proper procedures are taken in all emergency situations.· Attended daily skill trainings and staff development meetings to prepare for audits.

Feb 2004 - Dec 2009

Mac Specialist

Apple, Inc

· Achieved all sales goals set by the corporate store on a daily basis and assisted in the achievement of the store’s quarterly bonus.· Provided support to customers with questions regarding products sold at our store or on our online shop.· Consistently maintained and updated my knowledge of new features of our current product line in an effort to be able to discuss and fully explain product elements to potential customers. · Respond to customer grievances by helping them find products that better suited their current needs.

Apr 2004 - Sep 2007
Team & coworkers

Colleagues at Cornerstone Research

Other employees you can reach at cornerstone.com. View company contacts for 501 employees →

2 education records

Timothy Longueil education

Bachelor Of Science, Business Administration, Management And Operations

Roosevelt University

Associate Of Arts (A.A.), Liberal Arts And Sciences/Liberal Studies

Harper College
FAQ

Frequently asked questions about Timothy Longueil

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

What company does Timothy Longueil work for?

Timothy Longueil works for Cornerstone Research.

What is Timothy Longueil's role at Cornerstone Research?

Timothy Longueil is listed as Sr. Systems and Network Engineer | Microsoft 365 Enterprise Administrator Expert | Microsoft Teams Voice Engineer Expert at Cornerstone Research.

What is Timothy Longueil's email address?

AeroLeads has found 2 work email signals at @sikich.com for Timothy Longueil at Cornerstone Research.

Where is Timothy Longueil based?

Timothy Longueil is based in Schaumburg, Illinois, United States while working with Cornerstone Research.

What companies has Timothy Longueil worked for?

Timothy Longueil has worked for Cornerstone Research, Sikich, Links Technology, Edot Solutions, and Village Of Schaumburg.

Who are Timothy Longueil's colleagues at Cornerstone Research?

Timothy Longueil's colleagues at Cornerstone Research include Evan D., Marco Navarro Stanic, Maureen Carroll, Greg Negus, and Devansh G..

How can I contact Timothy Longueil?

You can use AeroLeads to view verified contact signals for Timothy Longueil at Cornerstone Research, including work email, phone, and LinkedIn data when available.

What schools did Timothy Longueil attend?

Timothy Longueil holds Bachelor Of Science, Business Administration, Management And Operations from Roosevelt University.

What skills is Timothy Longueil known for?

Timothy Longueil is listed with skills including Microsoft Office, Customer Service, Leadership, Employee Training, Sales, Management, Training, and Networking.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.