Garry Cassar
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Garry Cassar Email & Phone Number

System Administrator at Transaction Network Services at Transaction Network Services
Location: Greater Sydney Area, Australia, Australia 6 work roles 2 schools
1 work email found @tnsi.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email g****@tnsi.com
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Role
System Administrator at Transaction Network Services
Location
Greater Sydney Area, Australia, Australia
Company size

Who is Garry Cassar? Overview

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Quick answer

Garry Cassar is listed as System Administrator at Transaction Network Services at Transaction Network Services, a company with 1337 employees, based in Greater Sydney Area, Australia, Australia. AeroLeads shows a work email signal at tnsi.com and a matched LinkedIn profile for Garry Cassar.

Garry Cassar previously worked as System Administrator at Transaction Network Services and System Administrator / Desktop Support at Hewlett-Packard. Garry Cassar holds High School from Marist Brothers Kogarah.

Company email context

Email format at Transaction Network Services

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{first_initial}{last}@tnsi.com
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Profile bio

About Garry Cassar

Experienced IT Professional skilled in Information and Communication Technology desktop computing including Desktop SOE, break fix, incident / problem management, Distributed Computing Environments, Wintel operating platforms, telecommunications, desktop applications, managing planning and executing offsite projects.Gained valuable experience with the one employer over 10+ years as they transitioned through several restructures in this time. In addition to the technical experience it has provided me many opportunities, strengthening me on a personal level demonstrating my initiative, versatility, ability to adapt and importantly building many strong relationships with my colleagues and clients.

Listed skills include Active Directory, Desktop Computers, Desktop Administration, Desktop Application Support, and 30 others.

Current workplace

Garry Cassar's current company

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Transaction Network Services
Transaction Network Services
System Administrator at Transaction Network Services
reston, virginia, united states
Website
Employees
1337
AeroLeads page
6 roles · 30 years

Garry Cassar work experience

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

System Administrator

Current

Sydney, Australia

  • Support corporate network, Active Directory, Exchange 2013, group policies, security patches / updates and software deployment using SCCM.
  • Implement, update and maintain desktops, peripherals, mobile devices and Avaya VOIP network.
  • Supporting video conferencing equipment, live meetings, and projectors.
  • Security projects such as Trend Micro, malware remediation, Sophos disk encryption.
  • Order and maintain new and loaner workstation inventory.
  • Support employees in remote offices across APAC region.
Jan 2015 - Present

System Administrator / Desktop Support

Parramatta

  • Solely maintain approx.3000 end users SOE systems, software, hardware and peripherals for CBA Parramatta site
  • User Account, desktop / laptop / printer creation, administration within Active Directory using QARS (Quest ActiveRoles Server).
  • Maintain network and system security. (Security policies, updates, patches etc.)
  • Desktop/Wintel Incident/Problem management and systems support.
  • Project Planning, Scheduling, Tracking, Vendor Management.
  • Managing and executing offsite projects to time and budget.
2009 - Dec 2014

System Administrator (Executive Co-Ordinator) Office Of The Ceo

Eds Australia
  • LAN Administrative duties on four different Networks (File Servers) 400+ End Users.
  • First level support for Managing Director, Board of Directors and Managing Directors Executive Committee.
  • Understanding and compliance with EDS’ Quality Management Systems incorporating activities such as ISO (International Standards Organisation), OSAC (Operating System Audit Compliance) and ITO Audit Processes.
  • Maintain inventory of reports, vendors, proposals and interfaces.
  • Manage ad-hoc projects successfully to completion within agreed target dates
  • Communicate regularly on project status to the customer and/or Project Managers
2004 - 2009 ~5 yrs

System Administrator

Eds Australia
  • Provide onsite or remote support for one of the following user systems (desktops, laptops, printers, peripherals, handhelds, servers, LAN’s, WAN’s, WLAN’s) according to contract specifications.
  • Perform support activities including monitoring, back-ups, imaging, patch implementation, incident resolution, account maintenance, system upgrades, and data migrations.
  • Conduct complex hardware, software, network troubleshooting and problem resolution within IT systems environment. Repair or rebuild systems to appropriate specifications.
  • Keep abreast of functionality of new systems and act as a team leader on complex projects. Train and develop team members.
1998 - 2004 ~6 yrs

Business Analyst

Eds Australia
  • Consulting on client business requirements
  • Providing standard technical solutions in order to meet requirements
  • Research and delivery of non-standard solutions where required, while ensuring sustainable and cost effective support by EDS teams.
  • Facilitating capital purchases in order to deliver to client business requirements.
  • Liaison with EDS’ vendors and partners to ensure that service delivery obligations are met.
  • Identifying “out of contractual scope” business requirements, and liaising with the EDS delivery teams to ensure that legitimate business requirements are met.
1997 - 1998 ~1 yr

Technical Support Manager

Intuit / Reckon Software

Camperdown

  • To ensure that all customers of Intuit / Reckon Software receive premium technical support and are left with a pleasant impression at all times.
  • To handle first-line customer complaint calls.
  • To make sure that all support team members have a thorough working knowledge of all products sold and supported, and in some cases the need to implement training procedures accordingly.
  • Responsible for a 24 hour turnaround on all incoming support correspondence- Faxes, E-mails.
  • To report to management using “Q-View F600 PABX’s” software on a weekly basis the performance of the support department and suggest any alternative action necessary to enhance performance.
  • Responsible for the supply, distribution and monitoring of replacement and update software.
1996 - 1997 ~1 yr
Team & coworkers

Colleagues at Transaction Network Services

Other employees you can reach at tnsi.com. View company contacts for 1337 employees →

2 education records

Garry Cassar education

High School

Marist Brothers Kogarah

Diploma In Information Technology, (Network & Pc Support) With Distinction

St George Tafe
FAQ

Frequently asked questions about Garry Cassar

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

What company does Garry Cassar work for?

Garry Cassar works for Transaction Network Services.

What is Garry Cassar's role at Transaction Network Services?

Garry Cassar is listed as System Administrator at Transaction Network Services at Transaction Network Services.

What is Garry Cassar's email address?

AeroLeads has found 1 work email signal at @tnsi.com for Garry Cassar at Transaction Network Services.

Where is Garry Cassar based?

Garry Cassar is based in Greater Sydney Area, Australia, Australia while working with Transaction Network Services.

What companies has Garry Cassar worked for?

Garry Cassar has worked for Transaction Network Services, Hewlett-Packard, Eds Australia, and Intuit / Reckon Software.

Who are Garry Cassar's colleagues at Transaction Network Services?

Garry Cassar's colleagues at Transaction Network Services include Abdelmonsef Abdelmonsef, Mauhhik Thakkar, Dawid Jasiewicz, Kevin Steelman, and Cheryl Perry.

How can I contact Garry Cassar?

You can use AeroLeads to view verified contact signals for Garry Cassar at Transaction Network Services, including work email, phone, and LinkedIn data when available.

What schools did Garry Cassar attend?

Garry Cassar holds High School from Marist Brothers Kogarah.

What skills is Garry Cassar known for?

Garry Cassar is listed with skills including Active Directory, Desktop Computers, Desktop Administration, Desktop Application Support, Desktop Deployment, Server Administration, Vpn, and Business Analysis.

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