Mark Dexter Email & Phone Number

Bundaberg, Queensland, Australia

Networks and Systems. • Wired/Wireless Network Design, Implementation, Support and Maintenance.• Site to Site VPN Design, Implementation, Support and Maintenance.• Extensive network monitoring and reporting services implementation.• Network Performance monitoring and troubleshooting.• Cisco and Dell L3 Switch installation and configuration.• Cisco IP Telephony support. • Extensive project and network/systems technical documentation and reporting.• Face to face and remote user desktop support (Win 7 to 11).• Remote phone support (Win 7 to 11).• User Office 365/Exchange administration.• User documentation “how to guides”.• Server administration Server 2012-2022 Hyper V.• Server administration Server 2012-2022 Hyper-V.• Exposure to Nutanix.• Exposure to SCCM builds and device management. • On-call duties.Security• Firewall Implementation, Support and Maintenance (Palo Alto, SonicWALL and pfSense).• Threat analysis, hunting and response.• SSL remote access VPN network Design, Implementation, Support and Maintenance.• Advise audit and report on security matters for immediate colleagues and senior management. • Vulnerability scanning. • Patch management. • Device hardening.

Bundaberg, Queensland, Australia

ACS chapter member.Promoting the IT industry in the local area and assisting to provide informed advice and networking to those looking to learn more about, and hopefully join the industry.

Australia

As an External Advisory Committee Member, I was honoured to help CSU by providing industry feedback and commentary around emergent trends and other technical matters to assist in their efforts to improve and maintain currency within their Masters of Networking and System Administration course.

Townsville, Queensland, Australia

This was a busy and varied full-time role with on-call requirements. This role saw me based at Lavarack barracks and/or the RAAF base in Townsville QLD. •Tasked to three high profile customers Defence Department, Barrier Reef Institute of TAFE and McDonalds Restaurants.•Provide desktop support services to over 10,000 Defence Department users in a diverse Windows environment.•Provide network support services to over 10,000 Defence Department users in a diverse Windows environment.•Large volume high priority user desktop support (Win 7, 8, 8.1).•Large volume high priority phone support (Win 7, 8, 8.1).•Technical troubleshooting within an enterprise environment, Desktops and Networks.•Diagnose and resolve network issues across a diverse range of platforms and services.•Manage region ICT refresh activities and staff.•Stock ordering/control.•Perform routine service calls and perform basic installations.•Hardware break-fix, troubleshooting, hardware component replacement. •Printer break-fix, troubleshooting and repair.•Perform installs, moves, adds and changes in a client environment. •Provide desk side software support of personal computers and associated applications.•Work to SLA’s within ITIL guidelines.•Provide on-call servicing/troubleshooting of McDonald’s restaurants ICT and POS systems.•Provide on-call Warranty servicing/support and troubleshooting for Dell, Lenovo and EMC associated support contracts.

Cairns, Queensland, Australia

•High pressure environment small room for errors. •Assist in preparing speakers talks and presentations. •In depth knowledge of Power Point and AV systems. •Complicated high pressure file management.•Installation and configuration of desktop machines.•Network configuration and support.

Lismore, New South Wales, Australia

TURSA Employment & Training is a leading provider of Government Employment & Training services for unemployed people on the far north coast of N.S.W, with 250 staff in 20 different offices (much bigger now).Responsibilities:•Provide end user support for Windows 2000, XP and Vista Enterprise.•Provide Office 2002/03/07 end user support.•Provide Outlook2002/03/07 end user support. •Provide hardware and software troubleshooting services for desktop PC’s, laptops and peripherals remotely and onsite as required.•Installation/configuration of Windows ,2000,XP and Vista•Provide end user support for Windows 2000, XP and Vista Enterprise.•Perform Network Operating System installation and configuration of Windows server 2000,Windows server 2003•Provide Network operating system troubleshooting service, remotely and on-site. •Provide Active Directory administrative services account creations, deletions, password changes and general structure organization. ( Daily task)•Provide server and network administration services and ensure smooth backup operations.•Liaise with contractors/service providers to ensure smooth delivery of services within expected time frames.•Create technical documentation for both IT staff and general staff reference. •Provide VPN router configuration services.•Provide ADSL router configuration services.•Creation of COE images for deployment in numerous different roles using GHOST and imageX. Achievements:•13 pay rises in 3 and half years.•Superior rapport with computer users and site mangers, due to ability to explain technical details to non-technical staff.

Master Of Cybersecurity, Cybersecurity

Currently studying

Short Course Cissp, Cybersecurity

This short course was focused around the CISSP curriculum and used the Official ISC2 CISSP Study Guide by Mike Chapple, James Michael.

Graduate Certificate In Cyber Security, Cyber Security

Master Of Network And Systems Administration

Ccna, Routing And Switching

Graduate Certificate Network And Systems Administration, Information Technology

Diploma Of It (Networking), It (Networking)