Robert Ersser
System Administrator at Lighthouse Foundation- Claim this Profile
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English Native or bilingual proficiency
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Bio
Experience
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Lighthouse Foundation
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Australia
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Non-profit Organizations
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1 - 100 Employee
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System Administrator
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Apr 2023 - Present
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TAQA Group
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United Arab Emirates
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Utilities
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700 & Above Employee
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IT Infrastructure Analyst
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Sep 2020 - Mar 2023
Worked remotely in Australia with an Aberdeen based team to support users throughout Scotland and offshore platforms in the North Sea. Sole onshore point of support during hyper care phase of the migration from Rockrose to TAQA. • Integrated multiple external vendors' ticketing systems into TAQA's internal ServiceNow platform • Successfully executed a project to refactor security across 10TB of data dating back 2 decades divided into 3 file shares located both onshore and offshore. • Proposed and subsequently implemented a software rationalization project to reduce the number of officially supported applications from 275 down to 85. • Developed and executed application documentation project for remaining applications to disseminate knowledge and reduce ticket flow through to higher level teams. • Worked in a team of 4 to identify and document over 8,000 vulnerabilities across 750 devices using the Qualys Cloud Platform • Implemented a project to integrate external vendor’s Engage ticketing system with TAQA’s ServiceNow Show less
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RockRose Energy
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United Kingdom
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Oil and Gas
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1 - 100 Employee
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IT EUC Analyst
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Mar 2020 - Sep 2020
Performed migration of Rockrose Energy into TAQA Bratani Limited while working with a team of eight. Supported application and infrastructure teams in migration tasks as well as day to day operations. Provided mission critical information to management for migration of I.T. systems leveraging the extensive tools provided by Lansweeper. • Collaboratively constructed Microsoft System Centre Configuration Manager implementation from the ground up to facilitate a rollout of new windows 10 image and applications throughout the business. • Undertook documentation, installation, provisioning, licensing, and user acceptance testing for over 35 applications being migrated from Rockrose Energy to TAQA Bratani Limited. Show less
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Ergo
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Ireland
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IT Services and IT Consulting
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500 - 600 Employee
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Migration Engineer
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Jan 2020 - Jan 2020
Managed a contract in multiple EU countries to implement a domain split for Trivium packaging. Aided I.T. teams speaking multiple languages to deliver hyper care to end users. • Worked with IT Teams throughout three countries to complete a domain split involving more than 200 devices across three sites. Managed a contract in multiple EU countries to implement a domain split for Trivium packaging. Aided I.T. teams speaking multiple languages to deliver hyper care to end users. • Worked with IT Teams throughout three countries to complete a domain split involving more than 200 devices across three sites.
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TSG Franchise Management
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Australia
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Retail
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1 - 100 Employee
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IT Support Manager & System Administrator
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Dec 2012 - Jun 2019
Developed the configuration, troubleshooting and maintenance of approximately 460 locations for Australia’s biggest tobacco franchising company. Expanded the team to 4 staff to significantly develop and update the I.T. infrastructure throughout the business including replacing the network, implementing disaster recovery, re-developing key software, and migrating core infrastructure to the cloud. • Led project Heimdall to completely rebuild TSG’s core intellectual property, transforming an aging VB6 + Microsoft Access 97 data warehouse into a world class Web App. Expanded from a single user system to thousands of users spread across suppliers, internal staff, and franchisees. • Implemented logistics improvements to reduce hardware configuration time by 50% while also reducing costs. • Slashed ISP costs by 66% by negotiating pricing and fees while securing speeds 25 times faster. • Migrated internal servers to cloud based platform-as-a-service or software-as-a-service models, including Jira, Gitlab, DokuWiki, Shoretel/Mitel, and Seafile. • Re-designed and rebuilt the internal network from a collection of disjointed consumer hardware into a unified network based around the Ubiquiti Controller as well as replaced all networking hardware with Ubiquiti devices ensure interoperability and ease of use. • Instigated the replacement of home computers with standardised hardware and software to 460 locations around Australia. Created software images, comprehensive written documentation, and instructional videos for all relevant stakeholders. Show less
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Cargill
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United States
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Food and Beverage Manufacturing
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700 & Above Employee
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Level 2 Client Support Officer
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Jun 2011 - Oct 2012
Supported 200 Melbourne based staff and 150 additional locations across Australia for a Tier one supplier of agricultural products. Assisted all users and collaborated with additional teams within the Australasian region to achieve mutual results. • Successfully deployed over 400 systems to 100 locations around Australia after takeover of Australian Wheat Board. • Selected as the primary I.T. Professional to rollout Commvault to 250 Melbourne based devices to ensure backup of all end user devices to a single location. • Collaborated with team of four and moved 100 computer systems from the Melbourne CBD to Southbank and completely set up a new office including wiring of the internal network and wireless network. • Corresponded with the entire Dell Australian billing team over a six-month period to rectify significant billing errors made by Dell Inc. Show less
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Suncorp Group
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Australia
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Financial Services
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700 & Above Employee
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Level 1 Service Desk Support Officer
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Nov 2010 - Jun 2011
Joined a team of 30 first level service desk officers providing software support and problem diagnosis to all companies under Suncorp’s umbrella. • Operated both hardware and software-based RSA tokens on multiple platforms including Android, Blackberry, and iPhone. • Administered Citrix systems deploying user specific applications across multiple business units. • Completed training with Dell technicians to provide specialist hardware troubleshooting and diagnosis to internal staff. • Provided software support and problem diagnosis to more than 1500 individual programs spread across more than 20 different companies throughout Australia. Show less
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SkyMesh Pty Ltd
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Australia
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Telecommunications
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1 - 100 Employee
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Level 1 Customer Support Officer
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Mar 2010 - Nov 2010
First I.T. Support role with one of the main satellite ISP’s in Australia supporting hundreds of rural and remote locations. Provided first level support to end users with the potential to be multiple hundreds of kilometres from any other aid as well as preparing quotations and configuration documentation for VOIP and satellite hardware. Achievement Highlights: Customer Service: Provided support to users who tended to be inexperienced with networking and computer systems, as such customer service was of paramount importance in aiding end users. Troubleshooting: Provided support and troubleshooting for residential LAN and Wireless connections interfacing with specialist satellite hardware. Quotation/Sales: Prepared quotations and configuration documentation for VOIP and satellite hardware. VOIP support: Configured and supported VOIP services for customers in conjunction with their residential internet connections as well providing training on how the system worked. Show less
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Education
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QUT (Queensland University of Technology)
Networking Systems & Security -
Pink Elephant
ITIL FOUNDATION -
New Horizons Learning Center
Microsoft Azure Fundamentals