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Sean Greaney Email & Phone Number

IT Infrastructure Director at Ascendion at Ascendion
Location: Greater Chicago Area, United States, United States 12 work roles 1 school
2 work emails found @consilio.com 3 phones found area 202 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 3 phones

Work email s****@consilio.com
Direct phone (202) ***-****
LinkedIn Profile matched
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Current company
Role
IT Infrastructure Director at Ascendion
Location
Greater Chicago Area, United States, United States

Who is Sean Greaney? Overview

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Quick answer

Sean Greaney is listed as IT Infrastructure Director at Ascendion at Ascendion, based in Greater Chicago Area, United States, United States. AeroLeads shows a work email signal at consilio.com, phone signal with area code 202, and a matched LinkedIn profile for Sean Greaney.

Sean Greaney previously worked as Director of IT Infrastructure at Ascendion and Scuba Instructor at Sea Level Diving. Sean Greaney holds Mathematics from Mchenry County College.

Company email context

Email format at Ascendion

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{first_initial}{last}@consilio.com
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AeroLeads found 2 current-domain work email signals for Sean Greaney. Compare company email patterns before reaching out.

Profile bio

About Sean Greaney

An accomplished information technology manager with extensive experience managing andsupporting local, national, and global enterprises over twenty years. Demonstrated successmanaging and mentoring multiple Infrastructure teams. Excellent communicator, capable of makingprofessional presentations, with emphasis on building strong team relationships, driving riskmanagement strategies, and implementing cutting-edge infrastructure solutions. Adept at aligningtechnology with business objectives and delivering high-impact results.

Listed skills include Active Directory, Data Center, Vendor Management, Disaster Recovery, and 34 others.

Current workplace

Sean Greaney's current company

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Ascendion
Ascendion
IT Infrastructure Director at Ascendion
AeroLeads page
12 roles · 33 years

Sean Greaney work experience

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

Director Of It Infrastructure

Current

Basking Ridge, NJ, US

  • Lead and oversee the IT Infrastructure team, consisting of staff and contractors in the US, India,and the UK.
  • Manage a complex infrastructure environment, including Windows server virtual machines inAzure, Azure Virtual Network, Azure Active Directory, Zscaler VPN, and TrendMicro intrusiondetection and email proxy.
  • Successfully designed and managed the infrastructure divestiture of Ascendion from CollaberaInc., including the creation of a new Active Directory environment and migration of 2000 onlineExchange mailboxes, OneDrive.
  • Established ITSM policy following ITIL standards, Azure security policy, and Teams and SharePointgovernance and security policy.
  • Conducted Microsoft licensing audit and reduced annual spend by over $100K.
  • Directed the migration of Active Directory-based desktops to Azure AD and Intune.
Jun 2022 - Present

Scuba Instructor

Current
Sea Level Diving

Teach SCUBA in the pool, classroom, and open water.

Nov 2014 - Present

Senior Manager Infrastructure

Washington, DC, US

  • Managed a diverse international team responsible for over 7000 servers andinfrastructure services in the US, Europe, and Asia.
  • Led the implementation of Azure MFA and ITIL-compliant change management policyand process.
  • Implemented a risk assessment program, resulting in reduced change-related outages.
  • Developed IT policy for PKI and DNS and oversaw the installation of Thales HSMappliances.
  • Introduced a CMDB to the change and service desk system, enabling trend analysis andproblem resolution.
  • Led various projects, including email and Active Directory mergers, transparent migrationof data centers, and Azure B2B implementation.
Mar 2017 - Oct 2022

Manager Software Systems

Chicago, IL, US

  • Manage a diverse multi-state team responsible for infrastructure server and appliance services.
  • Implemented a risk analysis program that focuses on identification of ‘worst case’ scenarios with regard to changes and the mitigation of those risks. This effort saw an immediate reduction of change related outages.
  • Volunteered for and managed a high assurance PKI implementation that centralizes encryption protocols and provides a highly trusted SSL certificate program on the enterprise. This effort positioned the company for data.
  • Currently managing a project for SSL intercept on Bluecoat and Palo Alto systems to securely analyze encrypted outbound traffic and apply policies based on content and destination.
  • Led the team through a successful and transparent migration of DHCP services from server based to Infoblox appliances. This set the stage for automation of IP assignments and superior management of the IPAM database.
  • Worked across multiple teams to move new applications from obsolete apache reverse proxy servers to F5 appliances providing a simplified network configuration with far greater flexibility and security.
Sep 2013 - Mar 2017

Supervisor

Chicago, IL, US

  • Managed a cross team transparent migration of DNS services from server based systems to enterprise class Infoblox grid appliances. The project migrated over 25,000 devices and redesigned the DNS domain structure.
  • Managed the external DNS domain structure and created a new internal request process for internal and external DNS records management saving the company considerable time and money due to streamlining and reduced.
  • Key member of a cross functional design team to implement a new data center in Fort Worth, Texas and move all systems and applications to a new simplified network.
  • Led a project for forward proxy migration. This project moved all 18,000 users from the Bordermanager proxy running on 20 servers to 5 Bluecoat proxy appliances. The reduced footprint simplified the forward proxy.
  • Led the project to create and maintain a network naming standard. This standard required the participation of all engineering disciplines and resulted in a naming standard to fit all network attached nodes on the.
  • Project lead for several security related implementations including NMAS and universal password rollouts to all Novell servers helping to facilitate the Active Directory to eDirectory account and password.
2006 - 2013 ~7 yrs

Senior Network Engineer

Chicago, IL, US

  • Led the project to upgrade the Oklahoma Dirxml NDS to Active Directory drivers to IDM2 and Universal Password.
  • Key team member of Oklahoma merger providing the password synchronization and devised a system that allows users access to both systems without having to rename accounts.
  • Provided technical training to team members in LDAP, SAN, LDIF imports, schema operations, and clustering
  • Disaster Recovery Coordinator for infrastructure services.
  • Implemented Quickfind search servers to index the intranet web site.
  • Successfully led the enterprise migration of user data to high availability clusters in Chicago, Dallas, Albuquerque, and Tulsa.
2004 - 2006 ~2 yrs

Senior Network Engineer

Chicago, Illinois, US

  • Performed a transparent deployment of Windows 2003 and Active Directory to replace the eDirectory infrastructure.
  • Designed, implemented and supported a new SAN using enterprise class Hitachi disk arrays connected to a Brocade fabric.
  • Designed and implemented Netware 6 tree with eDirectory 8.7.
  • Implemented DirXML for user migration to new eDirectory tree.Rush University Medical Center Continued
  • Configured Active Directory and setup NDS for AD including DirXML for NT.
  • Coordinated MacAfee Netsheild and Virus Scan in Netware and MS environment
2001 - 2004 ~3 yrs

Senior Network Engineer

United Airlines / Tek Systems
  • Design, deployment, and administration of Novell 5.1 tree
  • Provided third level support for over 350 Netware 3x, 4x, and 5x servers and trees, over 400 Microsoft Windows NT 4.0,
  • 2000 servers, 80,000+ Windows 9x, NT/2000, DOS workstations, and general network troubleshooting.; Assisted with the implementation of eDirectory and DirXML for user migrations.
  • Project Lead for Norton Antivirus Corporate deployment to all Netware servers.
  • Project Lead for consolidation of NT 4.0 servers throughout UAL.
  • Project Lead for implementation of centralized server database using MS Access and SQL. Design data access pages to
2001 - 2001

Systems Administrator

Park Ridge, Illinois, US

Responsible for the operation, maintenance, upgrades, and administration of Novell (3, 4, and 5) servers and Windows NT (4.0 and 2000) servers on a large metropolitan area network. Responsible for Windows (DOS/95/98/NT/2000) workstations and network printers using HP JetAdmin, Intel, and Tektronics printer management software; Lead a staff of three in.

1999 - 2001 ~2 yrs

Field Service Engineer

Milford, MA, US

  • Troubleshooting and repair of workstation and server hardware.
  • Determined client connectivity problems and provided solutions.
  • Assisted the sales department as a technical consultant
  • Team member of several NetWare and NT implementations
  • Managed and implemented systems projects for a number of companies
  • Assisted in installing LAN hardware and software
Jan 1998 - Jan 1999

Firefighter / Emt

Arlington Heights, Illinois, US

  • Implemented and administered Windows NT 3.51 network and upgraded to Windows NT 4
  • Provided fire suppression, hazmat, and ambulance service to district
  • Received the following state certifications: Firefighter 2; Hazardous Materials Awareness; Hazardous Materials
1993 - 1997 ~4 yrs

Machinist'S Mate Third Class

Washington, DC, US

  • Served four years active duty.
  • Deployed to Persian Gulf in 1992 for Operation Desert Storm / Desert Shield.
  • Received the following awards: National Defense Medal; Southwest Asia Medal with Bronze Star for Desert Shield / Desert Storm; Sea Service Deployment Ribbon; Battle Efficiency Ribbon.
  • Received Honorable Discharge in February 1993.
  • Promoted to Machinist’s Mate Petty Officer Third Class in 1992
Feb 1989 - Feb 1993
1 education record

Sean Greaney education

  • Mchenry County College
    Mchenry County College
    Mathematics
FAQ

Frequently asked questions about Sean Greaney

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

What company does Sean Greaney work for?

Sean Greaney works for Ascendion.

What is Sean Greaney's role at Ascendion?

Sean Greaney is listed as IT Infrastructure Director at Ascendion at Ascendion.

What is Sean Greaney's email address?

AeroLeads has found 2 work email signals at @consilio.com for Sean Greaney at Ascendion.

What is Sean Greaney's phone number?

AeroLeads has found 3 phone signal(s) with area code 202 for Sean Greaney at Ascendion.

Where is Sean Greaney based?

Sean Greaney is based in Greater Chicago Area, United States, United States while working with Ascendion.

What companies has Sean Greaney worked for?

Sean Greaney has worked for Ascendion, Sea Level Diving, Consilio Llc, Blue Cross And Blue Shield Of Illinois, and Rush University Medical Center.

How can I contact Sean Greaney?

You can use AeroLeads to view verified contact signals for Sean Greaney at Ascendion, including work email, phone, and LinkedIn data when available.

What schools did Sean Greaney attend?

Sean Greaney holds Mathematics from Mchenry County College.

What skills is Sean Greaney known for?

Sean Greaney is listed with skills including Active Directory, Data Center, Vendor Management, Disaster Recovery, Troubleshooting, Dhcp, Enterprise Architecture, and Servers.

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