About us

As part of our business ethos, Subnet aims to always work alongside the incumbent teams with the long-term goal of leaving staff upskilled, independent and better prepared to protect their business. Whilst the technology may have changed along the way, the founding values and principles of culture, customer service and sustainability have remained the same, summed up simply by our Mission Statement: to be our customer’s partner of choice for their technology needs.

Tom Black 

Finance Manager and Founder

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Shane Denley 

People and Culture manager

Shane has been in the IT industry for 30 years. Originally with a technical background, Shane has worked in numerous roles for various sized organisations across industries. Beginning in System Administration through to ICT Manager and being part of Executive Management in the Private Health sector, progressing through Service Delivery Management, Services Leadership and more recently, People and Culture Management, Operations Management and the Executive Leadership Team at Subnet.

Oscar Palaganas

System Engineer and Team lead

Oscar is an analytical IT professional who applies knowledge to support growing businesses and increase productivity.

He started his IT career in 2008 and worked with one of the major ISPs in the United States. Worked with IBM, he was deployed to Suncorp Bank as an IT Service desk engineer.

Kris Horsman 

Senior Systems Engineer and Annuity Team Lead

Starting out in IT back in 1998, Kris has supported, developed, designed, and implemented solutions for many different industries and environments ranging from 5 to 500 user sites.

On top of his previous experience, working at Subnet since 2007 as a single point of call for many customers and being an escalation point for internal staff has allowed him to hone his skills and use his experience to quickly troubleshoot and resolve complex issues ranging from entire site outages to Active Directory recovery.

Jelena Turninski

Project Manager and Project Team Lead

Jelena has Project management experience from 2008 onwards in managing projects across multiple technologies and leading her project team from design through to client handover.

Through her extensive experience leading the Subnet project management team, she has successfully managed cloud migrations, O365 deployments, network and server refresh deployments.

Chris Cheshire

Cyber Defense Manager and Cyber Team Lead

Chris has over 20 years in infrastructure, application solutions, private and public cloud computing, Microsoft 365, and cyber security, as well as leading high-performing support teams.

Through his experience leading external IT company departments, Chris has extensive experience with managing security, EDR, application whitelisting and numerous leading-edge security systems.

Daniel Agent 

Technical Account Manager

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Mark Johnson

Account Manager

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Paul Jacques

Account Manager

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Graham Butterworth

Account Manager

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Michelle Meaney

Sales Corodinator

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Dragana Jovanovic

Sales Support

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Brando Caldetera

Senior Systems Engineer

I've started my career in IT way back in 2004 as Technical Engineer in a small company and at the same time having my college degree, that was from 2004 - 2009. After 6 years of being a working student, I have decided to jump in Corporate IT.

Webcast - a GPS provider company. I've worked here as Data and Network Engineer and eventually promoted after a year as Team Leader. I've handled most of the IT stuff in which includes servers, network, database, and desktops. I always make sure that the company operates 24/7, to support the daily operations.

Pointwest - is a BPO/ITO company and I've worked here as a Sr System Engineer - Lead, handling most of the servers and network, to support the development team and BPO colleagues for all their IT needs.

HP Enterprise/DXC - I've worked here as ITO Service Delivery Consultant and handled our valued client "Centrica" located somewhere in Europe. I've handled support for our Wintel, Linux and VMware servers. Providing Tier II/other support per request from various constituencies. Investigate and troubleshoot issues. Also, doing the OS patching and change request.

Wtech Solutions Inc. - is a BPO/ITO company that provides Online Gaming platform that operates in Asia and focusing on China. I've worked here as Sr. System Engineer - Lead, handles the gaming services, back office support and the overall server infrastructure. I've handled 3 Datacentre composed of about 100 Dell servers, SAN/NAS Storage (Synology, Dell-EMC).

Chi-X Technology - is as stock market platform provider in Japan and Australia. I was an Operation Center Engineer - Lead for Japan Market, handling the daily stock market operation, monitoring of our services via scheduled bash script running on the system.

Scott Kennedy

Senior Sytems Engineer

Scott has more than 10 years’ experience in the IT infrastructure space, with a strong focus on Network and Security, he has provided years technical support as a systems/network engineer. In addition, Scott has designed and deployed network infrastructure solutions.

Michael Cheshire 

Solutions Architect

Michael has over 25 years’ experience in systems engineering with a wide scope of capability in areas like virtualisation, networking/security, Linux and Windows. Michael has been at Subnet for over 15 years and is the go-to person when a problem needs a solution. Michael’s current focus is on the Fortinet product suite, securing customers networks with FortiGates, Fortiswitches and FortiAPs.

Jarrad Roberts

Solution Lead

Joining Subent in 2006 Jarrad has become a subject matter expert and solutions lead across the range of technologies the Subnet offer. He is a highly certified and experienced engineer that is the first technical point of contact for a lot of South Australia businesses when designing projects.

Jayson Abenoja

Senior Sytems Engineer

Jayson started his career in 2007 as an IT Support Engineer for SITEL. After 6 months of employment, He became the POC of the IT Department for the following Accounts – AT&T, Hawaiian Airlines and Green Dotcom. He stayed with Sitel. He landed a job with ATOS-Disney year 2013. Jayson stayed with Disney up until 2021 where he was able to be a part of multiple Teams – User ID Management Team, SharePoint Team, Active Directory Team and Server Team.

Chris Thompson 

Systems Engineer

Chris has over 20 years in the ICT industry ranging from Helpdesk to Systems Engineer in infrastructure and onsite consultancy.

Chris has used his ability to translate technical terms into business-based needs and process improvements. Assisting with current security upgrade requirements and future-proofing IT infrastructure.

David Martinez

Senior Systems Engineer

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Robert Kernohan

Sytems Engineer and IT Manager

Robert has over 12 years’ experience operating in Managed IT Services, delivering support and administrating internal systems and infrastructure.

Robert has provided Incident Response, network, server and firewall troubleshooting to a wide range of clients.

Andrew O'Young

Modern Workplace Consultant

Andrew has over 10 years’ experience in infrastructure and productivity solutions from on premises to public cloud and specialises in Microsoft 365 Apps & Services.

In his spare time, he co-hosts the Adelaide Microsoft IT Pro Community user group and generates content for the greater Tech Community.

Mark Derigay

Senior Systems Engineer

In early 2000, Mark Derigay started his IT Career as a Technical Support for one of Microsoft’s supports dealing with malware and virus support for home users which was Microsoft PCSafety, achieving a Level 2 position after only 1 year.

Expanding his knowledge of support, he landed a Job as Agent Support Group/Level 2 with Teletech under HP Consumer Notebook. His main role is to provide support and train his Agents on how to deal with issues relating to the products and to ensure that top-level support was provided.

Ankur Mehta

Sytems Engineer 

Ankur is an experienced Systems Engineer with extensive experience in supporting Level 1 (L1) and Level 2 (L2) operations for cloud, application and Infrastructure based projects using the ITIL framework.

As part of his career with Managed Service Providers, his key job function was to manage end to end lifecycle of support operations. He has experience in supporting critical business systems including monitoring using various tools, handling Incident tickets and related escalations, responding to alerts based on severity and related SLA’s, and performing proactive system health checks and application support based on standard operating procedures.

His experience is augmented with formal training in the prevalent frameworks ITIL and Scrum and this has enabled him to be successful in these areas.

Vincent Reich

Senior Systems Engineer

Vincent has over 15 years of experience in the networking space with Cisco configuration, deployment, and management.

He has been working on some large nationwide network projects, including remote mine sites.

Vincent holds the Cisco Certified Network Professional certificate in routing and switching.

Leo Cuneta

Senior Systems Engineer

Leo started his career in the IT industry in 2008 as an IT Helpdesk Analyst. After several years his dedication and hard work paved the way for him to get promoted to Information Management Senior Specialist and later as Sr. Systems Administrator.

Leo has solid experience as a Desktop Support and Systems Administrator managing Office 365, Active Directory and Domain controllers.

Stephen Byfieldt

Sytems Engineer 

Steve has had 20 years’ experience in the ICT Industry working with Large Organisations supporting desktops, servers, Backups, rollouts and Projects. Previously with Telstra for over 20 years supporting Voice Communication networks.

Moloy Tandon

Senior Systems Engineer

Moloy has more than 18 years of experience in IT infrastructure space, service delivery, solution designing, consulting and technical support in the enterprise customer arena, built on Microsoft and Citrix products and technologies. He is Information Technology Infrastructure Library (ITIL) certified with strong knowledge of IT Service Management that focus on aligning IT services with the needs of the businesses.

John Abao

Senior Systems Engineer

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Neelam Hamal B K

Service Engineer 

After completing a Bachelor of Business Administration and a Master of Networking Cyber/Computer Forensics and Counterterrorism at MIT, Neelam joined Subnet as an intern in April and officially joined the Subnet team as a Service Engineer in June 2022.

Neelam defines herself as a dedicated, ambitious, and enthusiastic IT professional with extensive Knowledge in System and Administration Support. Neelam is organised, focused and self-motivated with strong technical as well as excellent communication, written and interpersonal skills. She is a relationship Builder who enjoys interacting with customers and thrives in diagnosing and resolving technical issues remotely and on-site in an ITIL environment. Neelam is a go-getter with a proven track record in IT support roles and is eager to be challenged to enhance further and develop IT skills.

Dayle Scanlon

Service Delivery Manager

Dayle has 20 years’ experience in infrastructure, networking, Microsoft 365, cloud computing, workstation deployment, and fault diagnosis.

Throughout his career, Dayle has provided support to various clients by utilising his experience as an engineer, account manager, and infrastructure pre-sales specialist.

Michael Carbone

Service Delivery Manager

Michael has over 16 years of experience in IT Support, Service Delivery and Management, in both retail and corporate environments.

Through his experience, he has built a thorough knowledge of IT hardware, software, and business networking solutions, with a growing interest in business improvement, IT policies & procedures, knowledge sharing and documentation practices.

Kyle Sarmiento

Senior Systems Engineer

Kyle has over 6 years of technical experience as a Senior Systems Engineer in Managed Services Provider (MSP) roles, Desktop Support, and IT Helpdesk roles.

Kyle gained most of his technical experience in Singapore where he worked as a Senior Systems & IT Engineer for Singapore Institute of Technology and later on was granted the opportunity to work for the Agency for Science, Technology and Research (A*STAR) as a Lead IT Engineer.

He was awarded the annual Performance Excellence Award twice in a row as nominated by his Operations Lead, SDM, and the VIPs and VVIPs of his clients for his exemplary work performance.

Josh Bennett

Customer Experience Officer

Josh has over 5 years of experience in the IT Industry with skills in managing clients as a Service Delivery Manager to assisting on the service desk as a Service Desk Engineer. Josh’s current role of Customer Experience Officer greatly enhances Subnet’s service offering to our managed and ad hoc clients.

Kim Tang

Purchasing and AP Officer

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Chloe Smith

Admin and AR officer

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Kosta Mochis

Business Automation Specialist

Kosta has over 7 years’ experience in supporting infrastructure and applications in System Administrator / Engineer, Desktop Support, and Service Desk roles.

Since starting at Subnet in 2019, Kosta has focused on automating technical processes via scripting languages like PowerShell and Python, as well as specialised tools like ConnectWise Automate and UI Path.

His current focus as a Business Automation Specialist has him working with the Executive Leadership and Operations team to develop, implement, and manage automation systems and solutions to increase business efficiency.

Karen Collins

Policy and Governance Officer and Team Lead

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Weiyi (Igi) Lyn

Service Engineer Intern

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Level two person

Systems engineer and Project corodinator

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