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Ciaran O’Brien Email & Phone Number

Technical Consultant - Cyber Security at Quorum
Location: Sydney, New South Wales, Australia 10 work roles 3 schools
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Current company
Role
Technical Consultant - Cyber Security
Location
Sydney, New South Wales, Australia
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Who is Ciaran O’Brien? Overview

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Ciaran O’Brien is listed as Technical Consultant - Cyber Security at Quorum, a with 74 employees, based in Sydney, New South Wales, Australia. AeroLeads shows a matched LinkedIn profile for Ciaran O’Brien.

Ciaran O’Brien previously worked as Principal Consultant - Managed Services at Mcrit and Technical Consultant - Managed Services at Mcrit. Ciaran O’Brien holds Diploma Of Information Technology, Information Technology from Australia Institute Of Business & Technology.

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Email format at Quorum

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Quorum

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Profile bio

About Ciaran O’Brien

I am a seasoned Technical Consultant with extensive experience across the vast range of Microsoft products with a specialised focus on cybersecurity. With a passion for technology and a drive for innovation, I have successfully delivered numerous projects in IT infrastructure, security, and cyber defense.As a Microsoft Certified Professional with over 10 years in the industry, I possess a deep understanding of the latest tools and technologies, allowing me to design and implement robust, secure solutions that meet the unique needs of clients.Throughout my career, I have collaborated with various stakeholders, including clients, vendors, and team members, to identify and prioritize business needs and develop solutions that align with organisational goals.In addition to my technical skills, I am a team player who values collaboration and knowledge sharing. I have a proven track record of building and mentoring junior team members, fostering a culture of excellence and continuous improvement.

Listed skills include Network Security, Network Administration, Wireless Networking, Network Engineering, and 43 others.

Current workplace

Ciaran O’Brien's current company

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Quorum
Quorum
Technical Consultant - Cyber Security
Sydney, NSW, AU
Employees
74
AeroLeads page
10 roles

Ciaran O’Brien work experience

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

Technical Consultant - Cyber Security

Sydney, Nsw, Au

Role listed

Sydney, Nsw, Au

Technical Consultant - Cyber Security

Sydney, New South Wales, Au

Principal Consultant - Managed Services

North Sydney, Nsw, Au

May 2022 - Aug 2024

Technical Consultant - Managed Services

North Sydney, Nsw, Au

Jun 2021 - May 2022

Senior System Engineer

North Sydney, Nsw, Au

Jul 2018 - Jun 2021

System Engineer

Sydney Olympic Park, New South Wales, Au

(Short term contract due to visa limitations at the time)Responsibilities Include:- Logging, Closing and prioritising tickets in ServiceNow-Providing technical support to 878 staff and volunteers in HQ and all Rural Fire Service locations.-Troubleshoot Windows 7 and Windows 10 issues.-Setting up and configuring users in Active Directory.-Managing existing group policies and creating new policies where necessary.-Managing Windows Server 2012,2016 and Windows File Server.-Regularly made changes to the Knowledge Base articles with any known issues and the relevant fix that was required.-Setting up and configuring mailbox’s in Microsoft Exchange and Office 365.-Using PRTG Network Monitoring tool to diagnose and resolve Network connectivity issues.-Use of Splunk Enterprise to view reports and diagnose and resolve operational issues.-Rebuilt and configured new devices using PXE Boot.-Managed the call queue system and logged and prioritised tickets as per SLA’s.-Tracked and kept the Assets system up to date.-Use of SCCM to deploy and manage software packages and updates.Use of WSUS to deploy security updates and patches-Use of Dameware to remotely help and diagnose issues with users PC’s.-Liaised with external providers such as Dell and Lenovo for any issues that could not be resolved by Technical Support Officers.-Enrolled users in Airwatch (Mobile Device Management)

Apr 2018 - May 2018

Service Desk & Infrastructure Support

Melbourne, Vic, Au

(Short term contract due to visa limitations at the time)Responsibilities Include:- Answering support phone calls and responding to emails for approx 300 staff based in Sydney, Melbourne, Brisbane, Perth and Canberra.- Set up and managed users in Active Directory, Microsoft Exchange, Office 365 and Microsoft AX.- Managed the Cisco Phone System from the back end.-Windows Server 2016 and Windows File Server- Creating work tickets using Freshservice ticketing system- Troubleshoot Issues with Outlook 2007, 2010, Office 365- Remotely access user's machines and assisted with troubleshooting in software, hardware and virus/malware removal.- Contacted manufacturer technical support to create tickets for problems that occurred and needed to be escalated- Set up Meeting rooms with several different equipment types based on the type of meeting for internal and external clients.- VOIP, DHCP, DNS, VPN Support- Liaised with our external tel-co provider for any issues with 4G and assisting with Roaming Requests.- Built and set up new Work Stations for new starters.

Mar 2018 - Apr 2018

System Engineer

Parramatta, New South Wales, Au

(Short term contract due to visa limitations at the time)Responsibilities Include:- Set up and configured 2VMS that were used for testing purposes in a Lab environment.- Monitor and maintain network infrastructure (e.g Servers, routers, switches, firewalls, VOIP Cisco phones, printers, and cabling) ensuring peak utilization of network resources and that quality of service and uptime goals are met.- Performing audits for all computers and laptops and submitted reports to management on a weekly basis. - Supported more than 4,500 users in both head office and on 52 manned sites via Phone, Email, Desk Walkups and Remote Desktop Sessions.- Planned and coordinated moves with facilities group for large departmental moves.- Worked closely with software and hardware suppliers to resolve operational issues. - Liaising with the current Telco provider in relation to mobile phones pool for staff.- Managing mailboxes on Microsoft Exchange and Office 365.- Managed complex group policy and scripts.- Arranging schedules upgrades and patches.- Updating of networking equipment to latest firmware releases.- Working with Windows Server and Windows File Server.-Microsoft SCCM-Used various Remote Desktop management tools-Set up and configured new users on PABX Phone System.-Used several Network Monitoring Tools to diagnose network connectivity issues.- Troubleshooting of all in-office equipment, fax machines, and copiers.- Rebuilding tablets and laptops with Windows 10 and in-house software programs.- Configured and managing BYOD devices for staff via MDM

Oct 2017 - Mar 2018

Level 1/2 Service Desk

Ireland, Ireland, Ie

Responsibilities Include:- Applied communication and interpersonal skills in maintaining positive work relationships with internal and external stakeholders- Provided technical support for over 220 retail stores with over 4000+ users- End-user training and support- Logging and prioritized user support calls using Service Now- Provided remote support via Team Viewer, Log me in, VNC and remote desktop for clients- Deployed new workstations and printers- Maintained and managed users on Active Directory-Managed Mailbox’s on Microsoft Exchange-Used several monitoring tools such as PRTG, Science Logic, and Nagios.- Maintained inventory management for all computer equipment-Implementing and configuring WSUS/SCCM and created monthly patching processes. -Monitored I.T systems and made recommendations to Level 3 engineers regarding hardware replacements, upgrades, and new installations.- Print server set up and maintenance.- Set up and maintained group policy and log on scripts - Maintained and updated the user knowledge base article system on a weekly basis, this was available to both I.T Staff and over 4000 end users-Performed system backups and recovery with local Tape backups and cloud solutions.-Assisted with new branch openings implementing servers, infrastructure ,access points, switches, and cabling.I Was actively engaged in the rollout of Windows 10 to machines from existing Windows XP, Windows 7 and Windows 8 platforms.

Feb 2011 - Jul 2017
Team & coworkers

Colleagues at Quorum

Other employees you can reach at quorumsystems.com.au. View company contacts for 74 employees →

3 education records

Ciaran O’Brien education

Diploma Of Information Technology, Information Technology

Australia Institute Of Business & Technology

Cyber/Computer Forensics And Counterterrorism

Charles Sturt University

Education record

Ard Scoil Mhuire Bruff
FAQ

Frequently asked questions about Ciaran O’Brien

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

What company does Ciaran O’Brien work for?

Ciaran O’Brien works for Quorum.

What is Ciaran O’Brien's role at Quorum?

Ciaran O’Brien is listed as Technical Consultant - Cyber Security at Quorum.

Where is Ciaran O’Brien based?

Ciaran O’Brien is based in Sydney, New South Wales, Australia while working with Quorum.

What companies has Ciaran O’Brien worked for?

Ciaran O’Brien has worked for Quorum, Mcrit, Nsw Rural Fire Service, Mcgrathnicol, and Sydney Water.

Who are Ciaran O’Brien's colleagues at Quorum?

Ciaran O’Brien's colleagues at Quorum include Clayton Gander, Chefya Thefirst, Harry Cuthbert, Chris Taylor, and Chris Watson.

How can I contact Ciaran O’Brien?

You can use AeroLeads to view verified contact signals for Ciaran O’Brien at Quorum, including work email, phone, and LinkedIn data when available.

What schools did Ciaran O’Brien attend?

Ciaran O’Brien holds Diploma Of Information Technology, Information Technology from Australia Institute Of Business & Technology.

What skills is Ciaran O’Brien known for?

Ciaran O’Brien is listed with skills including Network Security, Network Administration, Wireless Networking, Network Engineering, Business Networking, Computer Repair, Lifeguarding, and Team Leadership.

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