Our hardware is exciting but our people are more than that

The Pawsey Supercomputing Centre is what it is, because of its world-class expertise.

Without its knowledgable staff, the Centre would not have its reputation of excelling and advancing Australian science.

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Aditi Subramanya
Marketing & Events Officer

Aditi is a creative marketing and communications professional with more than 10 years’ experience in her chosen profession. She holds a Bachelor of Commerce specialising in Public Relations and Tourism and Event Management.

Aditi commenced with Pawsey in 2017, and as part of the Marketing and Communications team, has implemented a range of strategic marketing and communication initiatives including event management, copywriting, digital marketing shooting and video production.

She has been instrumental in providing global visibility in order to showcase Pawsey’s capabilities and services via key exhibitions at conferences worldwide, and plays a pivotal role in increasing market presence and overall brand awareness.

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Ahmed Taleb
User Support Administrator
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Alec Hislop
Helpdesk Technical Services

Joining the Helpdesk team in October 2018, Alec brings years of prior customer service experience to Pawsey, providing our clients with rapid and dependable support.

With a further background in network administration and software development, Alec’s broad IT skillset finds him assisting Pawsey’s operations across multiple disciplines.

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Alexis Espinosa Gayosso
Supercomputing Applications Specialist

Alexis’s formal qualifications include a PhD in Environmental Engineering, Masters in Mechanical Engineering (Thermofluids) and Bachelor of Mechanical Engineering (Thermofluids).

He commenced with Pawsey in March 2018 and brings a wealth of knowledge in the application and development of numerical/computational tools for the development of solutions for scientific and applied engineering and fluid mechanics problems.

In his current role he is responsible for engaging new researchers, undertaking collaborative uptake projects to develop or improve performance of computational tools/workflows, and presents training material focused on computational research.

Alexis is a University lecturer, he has received numerous awards and published a number of journal articles.

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Ali Zamani
Visualisation Specialist

Ali is a Visualisation Specialist with an engineering background and specialises in visualising scientific data.

With extensive exposure to VTK technology and script visualisation this puts him in good stead to supply researchers with an in-depth insight into their simulation, resulting in an integrated time-efficient workflow. His experience of working on fluid flow in porous media is a significant asset in the support of geoscientists.

Ali provides customised high-end hardware/software packages for different case studies in Geoscience, Petroleum Engineering, CFD, and eHealth. He extensive knowledge in image segmentation and processing of microscopy images (micro-CT, SEM) helps generate large-scale visualisations in high-resolution.

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Alice Trend
Executive Officer

Alice joins the Pawsey team from CSIRO where she has worked as an Executive Officer and Communications Advisor in the Oceans and Atmosphere and Corporate Affairs teams.

Prior to this she managed the Education, Training and Outreach portfolio for the ARC Centre for Excellence in Plant Energy Biology at UWA. She has also worked in science television and for Questacon and Scitech.

Alice holds a BSc (Hons) in Biochemistry and Zoology from UWA and a Graduate Diploma in Science Communications from ANU.

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Andrew Elwell
Supercomputing System Administrator

Andrew is a highly experienced IT professional with more than 20 years’ experience in the industry, he has worked in a number of institutions including the University of Glasgow and Edinburgh. He holds a Master of Science in IT Computer Security and a Bachelor of Science (Hons) in Biochemistry.

Andrew commenced with Pawsey in 2017 and is responsible for several Cray XC30/XC40 systems, commodity clusters and high performance Lustre storage systems, maintenance planning and implementation, general user queries, liaison with vendors, bug tracking and upgrade testing.

Between 2013 and 2017 he was the Senior Supercomputing Systems Manager representing Pawsey Supercomputing Centre at The University of WA.

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Ashley Chew
Supercomputing Systems Administrator

Ashley is a highly experienced System Administrator with more than 18 years’ experience in the Supercomputing industry.

After completing a Bachelor of Engineering (Major Computer System), he spent 10 years as System Administrator/Programmer at The University of WA.

He commenced with Pawsey in 2011 as Supercomputing Systems Administrator and is responsible for configuring and administering the High Performance Facilities including the SGI High Performance Computing GPU Cluster and the HPC Parallel File-system at The University of WA.

Ashley is also a Pawsey representative on The University of WA Technical Operations Group Panel.

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Brad Evans
Acting Head of Centre Operations / Service Manager

Mr Evans brings decades of IT management experience to his current role of seeking to understand the business needs of end users and translating these into specific IT requirements. He coordinates the delivery of IT services, products, environment and support, to enable the required business outcomes for end users.

An important part of the Service Manager role is to articulate and document agreed levels of service delivery with each user group. Mr Evans is then responsible for ensuring that IT services are provided to the agreed standard, including coordination of the required resources and continuous monitoring of service targets.

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Brian Skjerven
Supercomputing Applications Specialist

Brian is a Supercomputing specialist with a Master of Science in Applied Mathematics and a Bachelor of Administration Mathematics.

In 2014 he was a visiting researcher for CSIRO and in the same year was employed by Pawsey in his current position of Supercomputing Application Specialist, where he assists regional and national users with Pawsey HPC resources.

He is also responsible for conducting user training sessions for Pawsey Supercomputers, he acts as lead for developing and implementing container solutions for users of Pawsey Cloud and HPC systems and mentors and trains undergraduate students selected by Pawsey’s Summer Internship program and Student Cluster Competition team.

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Chris Harris
Team Lead – Senior Supercomputing Application Specialist

Chris obtained a PhD in Computational Physics and a Bachelor of Science, Physics and Computer Science both through The University of WA.

Chris joined Pawsey in 2012 and was promoted in 2016 to his current position of Team Lead – Senior Supercomputing Specialist. During his time at Pawsey Chris has played a pivotal role in the coordination of the merit allocation calls, project management of the procurement of the Advanced Technology Cluster, managing the Pawsey Uptake Project calls and was instrumental in the development and running of the GPU training and User Forums.

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Chris Schlipalius
Team Lead - Senior Storage Systems Administrator

Chris brings more than 20 years’ experience in IT infrastructure used for higher education and academic research purposes.

Chris is responsible for the Pawsey Data Services Storage Infrastructure, and his experience covers designing, procuring, commissioning and managing storage and server hardware, filesystems, operating systems and hypervisors.

Chris manages a team of Storage and HSM Systems Administrators, who together, maintain, manage and ensure Data Services are provided to Pawsey researchers, who require storage of, and access to their Research Data Collections of National Significance.

Pawsey Research Data Services provide storage and use of research data collections in either a dedicated RDS storage file system, or in the Pawsey General Science Hierarchical Storage Management (HSM) system, both of which are accessible via the Pawsey Data Portal.

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Daniel Grimwood
Team Lead – Senior Supercomputing Application Specialist

For more than 10 years, Dr Grimwood has played a key role within the foundation projects that evolved into the establishment of the Pawsey Supercomputing Centre. 

He currently chairs the Pawsey Uptake Group – overseeing and /or delivering all user interactions- such as: training, national roadshows, user uptake initiatives, conferences and internships. 

Dr Grimwood provides ‘hands on’ expertise to researchers, enabling and supporting their use of the supercomputers.  He is the primary contact for use of the supercomputers in industry and government projects.  Dr Grimwood also manages supercomputer allocations and provides application support.

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Darran Carey
Senior Supercomputing Systems Administrator

Mr Carey has over 25 years of experience in the IT industry and currently ensures system availability for the supercomputers at the Pawsey Supercomputing Centre; ensuring continuity of access for Pawsey researchers.

These systems include Magnus and Galaxy, Pawsey’s Cray XC40 and XC30 supercomputers, the Centre’s high-performance Lustre filesystems and the high speed Infiniband fabric which connects these systems together.

Darran has been a part of the Pawsey team, and worked on its systems, since the Centre’s inception as iVEC in 2001.

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David Schibeci
Head of Supercomputing

Mr Schibeci leads the Supercomputing team – the world-class experts providing access to cutting-edge resources. He coordinates recruitment of operational and uptake team members and represents Supercomputing in the Pawsey Management Team.

Mr Schibeci manages new hardware procurement, such as the Advanced Technology Cluster and the Group File System. 

He brings more than 10 years’ experience in high-performance computing and more than 20 years in systems administration, including Lead System Administrator for our first TOP500 supercomputer and first multi-teraflop supercomputer. This work included technically supporting iVEC’s first GPU cluster and being development champion for maali, the open-source build system.

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Deva Deeptimahanti
Supercomputing Applications Specialist

Deva holds a PhD in Software Engineering which he completed through the Lero-the-Irish Software Research Centre, University of Limerick, Ireland.

He is a Supercomputing Application Specialist at the Pawsey Supercomputing Centre. He is responsible for assisting researchers to efficiently parallelise their codes and port them onto the infrastructure operated in the Pawsey centre.

Deva undertakes technical assessment of parallelised applications for performance on supercomputers and assists research groups in scaling their research applications and simulations from hundreds to thousands of processors.

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Elliott Waters
Helpdesk Technical Services

Elliott is part of the Centre Operations team and provides support to Pawsey users. He currently holds a Certificate III in Information Technology & Digital Media, which was presented to him in late 2017 during a Traineeship with the Public Sector Commission.

Elliott has just begun his Career and is looking forward to gaining more knowledge and experiences as he progresses though the years with the Pawsey Supercomputing Centre.

Elliott has a passion for helping users and an interest in IT from website development, computer science, help desk services, and more…

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Evelyn Olaer
Finance and Projects Advisor

Eve commenced as Finance and Projects Advisor at Pawsey in 2017.

She holds a Bachelor of Science in Accountancy and is a Certified Practising Accountant of Australia.

She brings to Pawsey more than 18 years’ experience as a highly skilled finance and accounting professional working both nationally and internationally in organisations including corporate entities, government departments and not-for-profit organisations.

Eve draws on her analytical ability, business acuity, and problem-solving skills to resolve long-term issues, as well as influencing revenue positive outcomes.

Eve plays a fundamental role, providing all aspects of financial management services relevant to the centre.

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Gregory Orange
System Administrator (Cloud)
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Jeffrey Jiang
Storage Systems Administrator

Jeffrey is a highly experienced Data Infrastructure Specialist. He holds a Masters in Software Engineering and is certified in PMP and IBM AIX.

Prior to joining Pawsey in 2015, he was employed by IBM Spectrum Storage Engineering, where he developed his strong skills base in designing and implementing enterprise storage systems for large scale supercomputing clusters.

Jeffrey is currently designing, implementing and will manage next generation Pawsey software defined, unified storage for research data and nimbus cloud. He is also setting up an in-place analytics platform to provide multiple spark instances on shared hardware for data scientists and data engineers.

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Jenni Harrison
Director, Strategic Projects and Engagement

As a member of the Senior Management Team, Dr Harrison leads strategic projects for the Centre, managing negotiations for substantial contracts and the budget for strategic projects. 
She is responsible for building and developing partnerships with other organisations and for raising the national and international profile of the Centre. 

Dr Harrison deputises for the Executive Director, in areas such as Federal Government matters.  She brings two decades international experience across a range of disciplines, including research, education, policy development, project and funding management.  Dr Harrison has held senior level roles and routinely liaises with organisational leaders and upper management.

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Jeremy Phillips
Systems Administrator

Jeremy holds a Bachelor of Science and a Bachelor of Engineering which he completed with Honours.

With more than 22 years’ experience working in IT, he commenced with CSIRO in 2008 before moving to Pawsey in 2012. Jeremy has been involved with systems administration and supporting cloud infrastructure, and since 2014 he has been responsible for running the WA node of the NeCTAR Research Cloud.

Jeremy is now Technical Lead for the Pawsey Nimbus cloud, which commenced operations in 2017.

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Karina Nunez
Marketing and Events Manager

Ms Nunez developed and now implements, the Centre’s marketing strategy, managing its brand and image; drawing upon her 18 years of experience in corporate communications. 

This includes design and coordination of regular events designed to: raise awareness of the Centre, both nationally and internationally, contribute to building the reputation of Perth as an innovation hub and showcase the outcomes of specific projects. 

Ms Nunez facilitates media interviews and engages with journalists, with the goal of highlighting the Centre’s capabilities and services. She brings her passion for architecture to designing and producing layouts for key exhibitions intended to showcase the Centre.

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Kevin Buckley
Supercomputing Systems Administrator

Kevin commenced in the position of Supercomputing Systems Administrator at Pawsey in January 2018.

He has spent nearly ten years consulting to a variety of Universities in the roles of eResearch Programmer and eScience Consultant. He was the initial deployer of pilots for, the then pan-Australasian, grid-computing infrastructure, as well as being the administrator of its Radio Astronomy group’s NGAS node.

Prior to his current position Kevin was the University of Lancaster’s High Performance Systems Consultant, having initially completed postgraduate work within computational hydrology/hydrogeology on early parallel processing platforms.

Kevin holds a Master of Science which he completed through the University of Lancaster and a Bachelor of Science obtained through Imperial Collage.

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Kim Knight
Administration Officer
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Lachlan Campbell
Research Data Specialist
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Luca Cervigni
System Administrator (Cloud)
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Luke Edwards
Data Specialist

Luke completed a Bachelor of Science (Environmental Science) with Honours from The University of WA. 

Since commencing with Pawsey in 2008, he has held for variety of positions including working on various NCRIS capabilities such as IMOS and TERN (Auscover).  He was Project Manager for a NeCTAR eResearch Tool project (CATAMI), and currently works as a Data Specialist assisting and advising researchers on the use of Pawsey’s resources.

Luke undertakes various outreach, engagement, support and training activities to drive uptake of services.  He also currently works as the Data Manager for WAMSI (Western Australian Marine Science Institution).

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Maciej Cytowski
Supercomputing Applications Specialist

Maciej joined Pawsey in 2017 as a Supercomputing Application Specialist and holds a PhD in Computational Science. He is a mathematician and computational scientist and has expertise is optimisation and development of application on massively parallel and accelerated HPC systems.

Since 2004 he has been involved in many HPC projects including porting weather prediction codes to Cray X1e vector architecture, accelerating astrophysical computational kernels on IBM Cell processors, optimisation of open source simulation codes on IBM Power7 architecture and developing scalable codes on IBM Blue Gene/Q, Cray XC40.

Maciej is a highly documented author with more than 25 publications in various fields of computational science.

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Marco De La Pierre
Supercomputing Applications Specialist

Marco completed a PhD in Materials Science, specialising in theoretical and computational chemistry.

Joining Pawsey in 2018, Marco engages with researchers in the fields of computational materials science, computational chemistry and bioinformatics.

Marco’s area of expertise is quantum mechanical calculations and classical molecular dynamics (including free energy calculations). He is also highly experienced in software development (mostly Fortran, plus a bit of C++) and has accumulated an extensive skill set of bash/Python scripting to automate workflows for pre-processing, post-processing and visualisation of simulation data.

Marco was also employed for a number of years as a university researcher, developing and applying methods to model, simulate and analyse materials properties and processes.

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Mark Cheeseman
Supercomputing Applications Specialist

Mark is a programmer with extensive experience working with high performance and parallel computing architecture and software. Mark works with academic and commercial researchers in optimising algorithms, software and workflows. He has extensive experience working on real world workflows in the weather/climate, seismic, bioinformatics and machine learning domains.

Whilst in his current position at Pawsey Supercomputing he has modified a seismic simulation code to increase its effectiveness at tens of thousands of processors and assisted in the adoption of the use of Docker containers on the centre’s supercomputers.

Mark holds a Master of Science, Earth and Atmospheric Sciences and a Bachelor of Science Physics.

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Mark Favas
Team Lead – Network Manager

Mark studied computational chemistry at The University of WA, where he published in the field of inorganic stereochemistry and developed an interest in high-performance computing and networking.

Mark was an early user of the CSIRONET CDC 7600 and Cray supercomputers in the 1970’s.

He has been involved with iVEC/Pawsey since its inception, and the deployment of iVEC’s dark fibre metropolitan area network, and was the ARRC Facility Director and Network Manager, and Acting Technical Operations Director in the early years of Pawsey.

Joining CSIRO in 1993 as a Research Scientist, he worked on remote sensing and visualisation, becoming Acting Research Group Leader before taking on the role of Divisional IT Manager when ARRC was established in 2001.

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Mark Gray
Cloud Lead

The research cloud service at Pawsey Supercomputing Centre is called Nimbus.  It is utilised by researchers around the globe. 

Mr Gray brings a strong research and data management background to his role of managing all aspects of this service.  This includes procurement, deployment, training, user expectation management – and leadership of the team who administer and operate the service. 

Mr Gray represents Pawsey Supercomputing Centre both nationally and internationally, with respect to the use of Nimbus.  He also provides project management skills for projects of key strategic importance to the Centre.

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Mark O’Shea
Senior Supercomputing Systems Administrator
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Mark Stickells
Executive Director

Mark is a research executive with more than 20 years’ experience working at a senior level in innovative research and business development roles in complex, multi-stakeholder environments. Through national and international programs and joint-ventures, Mark had successfully led initiatives to accelerate the impact of research, development and education programs for Australia’s key energy, mining and agricultural sectors.

He is a former Chief Executive of an LNG research and development alliance of CSIRO, Curtin University and UWA, partnering with Chevron, Woodside and Shell. Prior to his appointment at Pawsey Mark led the innovation and industry engagement portfolio at The University of Western Australia. In addition, Mark is the current Chair of the Board of All Saints’ College and was appointed an adjunct Senior Fellow of the Perth USAsia Centre (an international policy think tank) in 2017.

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Mohsin Shaikh
Supercomputing Applications Specialist

Mohsin is a formally qualified Bioengineer having completed a Bachelor of Science, Master of Science and PhD all in bioengineering. Joining Pawsey in 2014 as a Supercomputing Apps Specialist, Mohsin is responsible for training new and existing users and also consults and supports users to efficiently use supercomputing resources for their computational research.

Prior to joining Pawsey Supercomputing Centre he was the Assistant Professor at the Department of Biomedical Engineering, and between 2011 and 2014 he had various roles including Post Doctorate Researcher and Supercomputing Services and Support Consultant at the University of Canterbury.

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Paul Newman
Senior Storage Systems Administrator
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Richard Wotherspoon
Networking Specialist
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Robert Atkinson
Helpdesk Technical Services

Rob’s educational qualifications include two diplomas of Information Technology and Information Systems. He has previously held positions as a Software Engineer developing and maintaining software solutions for hospitals and government agencies.

Other related experience include ICT services such as developing and maintaining websites, network and computer set up, support and maintenance for small to medium sized businesses.

Rob has joined the Pawsey Supercomputing Centre as a member of the Helpdesk Technical Services team to provide users with reliable and consistent support.

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Scott Atkinson
Senior Hierarchical Storage Management Administrator

Mr Atkinson brings 30 years of experience in IT for education and research purposes – combined with a background in mechanical engineering – to his current responsibilities within Storage Services. 

His current work spans backups, storage hardware, file system creation and management and hierarchical storage management. 

Mr Atkinson provides advice regarding the operation of the Supercomputing Centre building and support systems.  His previous roles have traversed a wide spectrum related to hardware, user and software support – including Manager of the IT Support Team for the CSIRO.

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Sean Fleming
Team Lead - Senior Data Specialist

Sean commenced his career as a researcher in the domain of computational chemistry.

Since joining Pawsey in 2013 he has become an expert in a wide range of programming languages and technologies, particularly in the areas of grid computing and visualisation. Sean also specialises in: Data analysis, programming and visualisation.

Sean’s formal qualifications include a PhD in Computational Chemistry and a Bachelor of Science (Hons) in Physics and he is a Post-Doctoral Research Fellow both at Curtin University and the Technical University of Delft.

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Ugo Varetto
Chief Technical Officer

Mr Varetto is an accomplished manager, bringing international experience, including computational science, research, supporting complex, distributed software solutions, software engineering and development, architecture and testing to Pawsey.

His focus is particularly on data-intensive high-performance computing, interactive-distributed visualisation solutions, with ‘real world’ experience of leading distributed teams across several continents. 

He has held key roles in significant projects, such as the EU funded ‘Human Brain Project’ and also contributed to numerous research projects with the European supercomputing infrastructure. 

His current work includes developing scalable artificial intelligence (AI) and machine learning solutions on HPC systems and integrating interactive, in situ visualisation with data mining.

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Wendy D’Arrigo
Marketing and Events Officer

Ms D’Arrigo coordinates the administration of the Centre’s national training programme and supports the marketing team in event management. 

Previously, Ms D’Arrigo was seconded to the Centre from CSIRO, to fulfil the role of Executive Assistant to the Executive Director.  During this time, she also supported the Management Team, Board and Centre staff.Ms D’Arrigo brings significant experience from an extensive career with CSIRO Earth Science and Resource Engineering, where she provided administrative support to a range of internal clients, including senior managers and research teams.

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William Davey
Systems Administrator

William joined Pawsey in 2016 initially as HPC System Support Officer before commencing in the position of Systems Administrator in 2017. In this role he has successfully developed and positioned a user and project management reporting web application – Origin.

He works on technologies including: Cray CLE, xCAT, Bright Cluster Manager, LDAP, Slurm, Puppet, Ansible, Linux, Lustre, CommVault, Infiniband, Perl, Python, Django, Flask, C, C++, AngularJS, NodeJS, JavaScript, Git, MySQL, PostgreSQL, Apache, Nginx, Atlassian Tools (JIRA, Confluence)

He holds a Bachelor of Science majoring in Computer Science which be completed through Murdoch University.

Prior to joining Pawsey, William was a Programmer at iiNet.

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Yathu Sivarajah
Visualisation Specialist

Leading the visualisation at Pawsey Supercomputing Centre. His duties include helping researchers to develop workflows to visualise large scientific data using the Pawsey remote visualisation infrastructure, training researchers on various visualisation related topics, and design, implement and maintain various visualisation systems and services at Pawsey.

PhD in Geophysics from UWA, specialising in visualisation, human-data interactions and human-machine interactions.