Sean Esler Email and Phone Number
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Sean Esler personal email
As an Open Group Certified Architect (Expert 2012) with over 25 years of experience in the IT industry, I am a highly motivated and skilled professional who thrives in high-pressure environments. Over the past sixteen years, I have specialized in architect roles and have been responsible for the design and implementation of numerous high-profile solutions for large government agencies.I am particularly passionate about working on large-scale engagements that have the potential to significantly transform a client's workplace. In recent years, my focus has been on cloud (Office 365), virtualization, and desktop VDI solutions.Some key highlights of my career include:- Serving as the Enterprise Architect for ACT Education and leading the technical changes required to transition 45,000 students to remote learning using G-Suite for Education during the COVID-19 outbreak.- Acting as the Program Architect for the Desktop Modernisation Program (DMP) run by ACT Government, which involved migrating 13,000 desktops and 3,000 desktop applications to a cloud-ready Windows 10 and Office 365 environment over a three-year period .- Serving as the Enterprise Architect for IBM's successful Transport for NSW (TfNSW) Centralised Computing Tender (Pre-Sales & Implementation), which provided services and infrastructure for several thousand server-based workloads and several PB of storage using the latest IBM cloud, storage, and virtualization offerings.- Leading the Desktop Futures Project for the Department of Health as an IBM Lead Architect, which involved transitioning Health from a traditional thick-client-based XP solution to a cutting-edge mobility-based solution based on Windows 7, Windows Server 2008 R2, and VMware View. At its time, it was the largest VMware View VDI deployment in Australia (~5,000 seats).- Serving as a Solutions Architect for the vSphere 4 & 5 upgrade projects on the Department of Health.- Managing the transition of the Australian Taxation Office's online tax return system, ETAX, to Windows 2003 without any outages as an EDS Solutions Architect for ETAX 2005/2006.I am always eager to take on new challenges and opportunities to learn and grow in my field. Please feel free to connect with me to learn more about my experience and expertise.
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Microsoft 365 Cloud ArchitectAct Government Jul 2020 - PresentCanberra, Australian Capital Territory, AuIn July 2020, I joined Share Services as the Territories Office 365 Architect with a mandate to enhance the adoption of Office 365 services, streamline operational processes and ensure seamless integration of new Microsoft features. During my tenure, I have achieved significant milestones, including:• Developing and deploying a secure framework for sharing documents across the Territories’ three production tenants using Microsoft 365 services.• Creating and implementing an RBAC framework for managing Azure Roles across the three production tenants. This framework enforces semi-annual access reviews via Azure access reviews.• Lead the roll-out of a framework for B2B Guest account lifecycle management in collaboration with key stakeholders and the ICT Operational security team. This framework utilizes ServiceNow forms, automation, and Azure access reviews to enable staff to request the creation of B2B Guest accounts and ensure timely removal when no longer required. This framework was used to enable B2B Guest access for non-ACTPS users, significantly improved the Territories' ability to collaborate with external entities using the Office 365 platform.• Served as the Technical Lead on the renewal of the Territories Whole of Government Microsoft agreement, including introducing a new user type based on Microsoft's new Frontline User (F3) licensing model.• Successfully migrating 6,000 Health workers to the Frontline User model and overseeing the cutover of 23,000 users to the new licensing agreement. I also developed the BAU processes required to support this new user model.• Advocating for changes to the Territories User Identity and Authentication Standard mandating the deletion of inactive user accounts after two years. This change represents a major shift in account management.Overall, my contributions have helped the Territories enhance its use of Office 365 services, streamline operational processes, and keep pace with Microsoft's evolving features.
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Enterprise ArchitectAct Education Directorate Mar 2019 - Jul 2020Canberra, Act, AuAs the Enterprise Architect for the Education Directorate ICT branch, I led the efforts to support their 8,000 staff and 50,000 students using a segregated Azure tenant and Office 365 environment. My tenure here coincided with the outbreak of Covid and was largely focused on the G-Suite for Education Platform. My key achievements during this time include:• As the Directorates Google Architect, I ensured the Google Workspace environment could provide a safe learning environment for more than 50,000 K – 12 students during lockdown when the schools transitioned to online learning.• Conducted the first end-to-end security and config audit of the Directorates G-Suite for Education platform since its initial rollout in 2016. Working directly with Google, we identified a range of configuration and operational updates to improve the security and usability of the environment for staff and students.• Served as the technical lead for the renewal of the Directorates Adobe, Google, and Microsoft Enterprise agreements. I championed changes to the Adobe and Microsoft agreements that resulted in significant savings for the Territory without impacting the end-user experience.• Obtained Government Solicitors Office sign-off on a range of IT-related legal matters around Data Sovereignty and the Territory Privacy Principals, including approval to use Microsoft and Google services irrespective of their hosting location.• Designed a home-based internet filtering solution that extended the on-premises ContentKeeper-based filtering solution to student Chromebooks when used at home.• Working with the ICT Operational security team, piloted and deployed the Microsoft Cloud Access Security Broker (CASB) with Google connectors.• Co-authored numerous Ministerial/Director-General briefs dealing with a wide range of technical and policy issues and formal complaints or concerns raised by the Territory’s constituents. -
Solutions Architect (Ssict)Act Government Mar 2016 - Mar 2019Canberra, Australian Capital Territory, AuI was initially employed to conduct a viability assessment for senior management around the deployment of a Whole of Government VDI solution. On completion of that work, I was assigned the role of Program Architect for the Desktop Modernisation Program (DMP). The Desktop Modernisation Program was a three-year program of work looking to modernize the ACT Government desktop environment, It was tasked with migrating the territories 13,000 desktops and 3,000 desktop applications to a cloud ready Windows 10 and Office 365 SOE by July 2019. ACT Government is a challenging environment with a diverse range of agencies covering public services such as Health, Justice and the Legislative Assemble. During my time on the program I have achieve the following. • Initiated and subsequently presented at the DMP Business Reference Group (BRG). The reference group made up of senior staff from all directorates was created to allow the program to discuss and obtain feedback on key decision within the program. It also provided the perfect forum for introducing Microsoft new support model concept "Windows as a Service" and highlighting how existing support practices will need to change to align with this model.• Using the Microsoft Windows 10 Security Baseline in conjunction with the Australian Signals Directorate and United States Department of Defense Windows 10 hardening guides, undertook a full security review of the proposed Windows 10 GPO settings resulting in a significantly more secure SOE for the Territory.• In conjunction with Desktop support staff developed a new framework for the management and deployment of Feature Updates for both Windows 10 and Office 365 ProPlus.• Created and obtained technical/business approval for the DMP Architectural Decisions document, the Windows 10 ACTGOV Detailed Design document and the Microsoft Office Conceptual Design document.
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Solutions ArchitectCisco Aug 2015 - Mar 2016San Jose, Ca, UsA contract role, I was initially brought on to be the Cisco Architectural Lead on the Defence EUC project. This project however was delayed until mid-2016 and I was allocated to the following:• Cloud Services Router Detailed Design:- A solution to provide Layer 3 Network mobility for migrated applications within the Defence PROTECTED and SECRET networks..• Application Migration White Papers:- A series of Architectural Documents analyzing the impact the existing Defence Network will have on the Application Migration work stream as well as providing recommendation on features which could be enabled within the Defence network to minimize BAU impact or improve the overall migration schedule. -
Technical Solutions ArchitectIbm Feb 2008 - Aug 2015Armonk, New York, Ny, UsI spent seven years working at IBM as a Solutions Architect. In that time I received a Service Excellence Award and for three years running a One (Highest) performance rating. My role at IBM has given me the opportunity to work on major bid work and flesh out my experience with non -government clients. This has given me exposure to a wide range of IBM technologies i.e. IBM Cloud, Analytics and Mobility workplace offerings. It also allowed me to obtain my Open Group Architect Certification (Expert Level) The culmination of this work has been as the Lead Architect for Transport for NSW on IBM successful bid for Centralised Computing. Prior to that I was a key resource in the previous two successful re-bids for the Department of Health. On the Department of Health I am one of the accounts Infrastructure Architects having been responsibility for the accounts Microsoft Windows, End User Computer (VDI) and Virtualisation environments.My most significant achievement at Health was leading the Desktop Futures Project. This project provided a complete refresh of the EUC environment using VMware View 4.6, vSphere 4.1, Windows 7 and Windows 2008 R2. The solution implemented dedicated, storage, network and server infrastructure. I was the key advocate of this technology from the IBM side. At its start this was the largest VMware View deployment in Federal Government (5,000 seat) and one of Australia's largest. The solution I designed was used as a reference for other VDI deployments for IBM around the globe and is one of VMware’s largest Australian based government reference sites. I have just recently finished the project to upgrade this environment to VMware’s latest release of VMWare View (Horizon 6).In additional to working as the Lead Architect on Desktop Futures, I have been the Architectural Lead on DoHA for most of the major Virtualization, Storage, EUC and Windows projects within DoHA over the last seven years. -
Infrastructure Architect (Vanguard)Department Of Innovation Nov 2007 - Feb 2008
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Team Leader/Systems AdministratorChild Support Agency Feb 2007 - Nov 2007
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Solutions ArchitectVolante Technologies Jul 2006 - Feb 2007Jersey City, New Jersey, Us -
Solution ArchitectEds Group Jan 2003 - Jan 2006UsSolution Architect/Team Lead for Web Hosting team on ATO. Infrastructure Architect Lead for ETAX 2004 - 2006.
Sean Esler Skills
Sean Esler Education Details
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The Australian National UniversityCommerce
Frequently Asked Questions about Sean Esler
What company does Sean Esler work for?
Sean Esler works for Act Government
What is Sean Esler's role at the current company?
Sean Esler's current role is Microsoft 365 Cloud Architect at ACT Government.
What is Sean Esler's email address?
Sean Esler's email address is ob****@****.com.au
What schools did Sean Esler attend?
Sean Esler attended The Australian National University.
What skills is Sean Esler known for?
Sean Esler has skills like Virtualization, It Service Management, Solution Architecture, Itil, System Deployment, It Strategy, Vmware, Enterprise Architecture, Vmware Infrastructure, Vdi, Infrastructure, Vmware View.
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