David Messner

David Messner Email and Phone Number

Experienced Telecommunications & IT Operations Manager @ Georges River Grammar
new south wales, australia
David Messner's Location
Sydney, New South Wales, Australia, Australia
David Messner's Contact Details

David Messner work email

David Messner personal email

About David Messner

I have over 26 years of Operations experience in Telecommunications and Information Technology including 15 years in a technical capacity and 10 plus years in leadership / management roles.I have had broad exposure of IT technology ranging from desktop to network, storage and application support.My extensive technical experience combined with my ability to lead, develop and inspire productive people gives me the skills I need to be an effective IT Operations Manager.Key Skills:• Coaching, motivating and developing people through strong leadership.• Intrinsic sense for service management and customer first.• Recognising and promoting opportunities for operational improvements and innovation.• Broad end to end technical comprehension of IP networks, server hardware and OS, storage, application and database. • Managing and driving timely resolution of high impacting incidents.• Logical problem solving mindset.• Effective written and oral communication skills at all levels including senior management.• Excellent appreciation of Information Technology Infrastructure Library (ITIL) concepts.

David Messner's Current Company Details
Georges River Grammar

Georges River Grammar

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Experienced Telecommunications & IT Operations Manager
new south wales, australia
Website:
grg.nsw.edu.au
Employees:
54
David Messner Work Experience Details
  • Georges River Grammar
    It Systems Administrator
    Georges River Grammar Jan 2023 - Present
    Sydney, New South Wales, Australia
    Providing IT and Communications support for staff and students of the school.
  • Georges River Grammar
    Maintenance Officer
    Georges River Grammar Sep 2021 - Dec 2022
    Sydney, New South Wales, Australia
  • Endeavour Skilled Trades
    Skilled Labourer
    Endeavour Skilled Trades May 2017 - Dec 2020
    Sydney, Australia
  • Telstra
    Network Manager - Content & Messaging Systems
    Telstra Mar 2012 - Nov 2016
    Sydney
    Key Responsibilities:• Effective people management of 9 local and 2 remote staff.• Ensure the high availability of media and messaging applications & platforms.• Implement an effective problem management strategy.• Provide escalated Incident Management. Drive timely resolution on incident bridges.• Establish and govern a robust Change/Release Management regime.• Produce and present monthly and quarterly service management reports, highlighting customer experience and incident reduction achievements. • Maintain a close working relationship with vendors; convene monthly vendor performance meetings; ensure timely engagement during incidents and drive root cause resolution.• Capacity Management & Reporting.• Asset Management• Manage to financial budgets including overtime and training spend.• Measure and promote staff Performance & Development• Ensure a safe workplace.
  • Telstra
    Network Manager - Data Centre Networks
    Telstra May 2004 - Mar 2012
    Sydney, Australia
    Key Responsibilities: • Lead, develop and inspire a team of 10 technical staff.• Ensure the high availability of Telstra’s internal and customer IP hosting and cloud networks across five main data centres nationally.• Implement and oversee an effective problem management strategy, aiming to prevent impacting incidents and eliminate recurring incidents.• Establish close relationships with network vendors, namely Cisco and F5, hosting monthly vendor performance meetings and drive root cause resolution of high severity incidents.• Escalated Incident Management, including stakeholder management.• Change/Release/Asset Management• Capacity Reporting• Manage overtime and training budgets• Health & Safety Representative
  • Telstra
    Technical Expert – Storage Applications
    Telstra 2002 - 2004
    Sydney, Australia
    Key Responsibilities: • Mentor a team of 6 technical contractor staff, technically and leadership.• Provide Level 3 operational support for Cisco / EMC2 Symmetrix storage network at expert level. • Implement operational best practices within a newly formed team.
  • Telstra
    Technical Expert – Network Infrastructure (Repair)
    Telstra 2001 - 2002
    Sydney, Australia
    Provide proactive maintenance and resolve incidents for Telstra’s corporate LAN/WAN and internet hosting environments
  • Telstra
    Network Specialist – Network Infrastructure (Build)
    Telstra 1998 - 2001
    Sydney, Australia
    Build and deploy network infrastructure for Telstra’s corporate LAN/WAN environments.Part of a team that built and supported Telstra’s communication networks during the 2000 Sydney Olympic Games.
  • Telstra
    Lan Administrator – It Customer Service Delivery
    Telstra 1996 - 1998
    Sydney, Australia
    Level 3 LAN and Desktop and SOE Application support. Netware 4.11 / Windows NT
  • Telstra
    Lan Administrator – Network Operations
    Telstra 1994 - 1996
    Sydney, Australia
    Level 2 LAN and desktop support specialising in Novell Netware 3.2 / MS Windows
  • Telecom
    Lan/Wan Co-Ordinator – Newtown Exchange Maintenance Group
    Telecom 1992 - 1994
    Sydney, Australia
    Provided LAN & WAN and system support for 8 sites within Sydney’s southern region.
  • Telecom
    Senior Telecommunications Technical Officer – Axe Maintenance Group
    Telecom 1989 - 1992
    Sydney, Australia
    Provide maintenance and support for Ericsson AXE digital telephone exchanges located at Newtown Exchange, involving regular after hours loading and testing of software packages.

David Messner Skills

Itil Telecommunications Change Management Data Center Ethernet Network Design Wireless Networking F5 Bigip Networking Cisco Technologies Solaris Checkpoint Firewalls Cisco Routers Wan Windows Server Network Architecture Routing Virtualization Tcp/ip Vmware Vmware Esx Ip Ccna It Service Management Juniper Network Engineering Cisco Systems Products Internet Protocol

David Messner Education Details

Frequently Asked Questions about David Messner

What company does David Messner work for?

David Messner works for Georges River Grammar

What is David Messner's role at the current company?

David Messner's current role is Experienced Telecommunications & IT Operations Manager.

What is David Messner's email address?

David Messner's email address is mr****@****ail.com

What schools did David Messner attend?

David Messner attended Tafe Nsw Higher Education, University Of Technology Sydney, Leeton High School.

What skills is David Messner known for?

David Messner has skills like Itil, Telecommunications, Change Management, Data Center, Ethernet, Network Design, Wireless Networking, F5 Bigip, Networking, Cisco Technologies, Solaris, Checkpoint.

Who are David Messner's colleagues?

David Messner's colleagues are Paul Mahon, Keishi Abe, Jade Munro, Peter Joseph, David Buckley, Kristie Marks, Bud Akkari.

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