Hire the Best System Administrators
in Australia

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James Ryan L.

Cabramatta, Australia

$15/hr
5.0
10 jobs

I am a seasoned IT Support here in NSW Australia for 6 years. Please see all my skills and experiences below: • Respond to client's inquiries, assess problems, and troubleshoot hardware, software, and network issues. • Set up and configure new computer systems and server systems, install software, and perform updates. • Installing, diagnosing, repairing, maintaining, and upgrading all PC hardware and equipment to ensure optimal workstation performance. • Install, configure, and maintain servers, networking hardware, and software infrastructure. • Provide technical support across the company this may be in person or over the phone). • Implement and maintain system and information security measures, including firewalls and intrusion detection systems. • Collaborating with network services, software systems engineers, and/or application owners to ensure optimal operation of the company's computing environment. • Develop and maintain disaster recovery plans to ensure business continuity in case of a system failure. • Manage user accounts and file permissions to ensure compliance with company policies. • Assisting in the management of user account information, including rights, security, and systems groups. • Test and evaluate new technology for potential benefits within the company. • Create and configure Office365 Admin Centre for Email management. • Configure and Deploy VoIP Phones. Operating Systems support: - Windows XP, Vista, 7, 8.1, 10 and 11 - Windows Server 2008, 2012, 2016,2019 and 2022 Business Printer support: - HP, RICOH, Toshiba, Fujixerox - Scan to PC, Scan to Email Web hosting and other related support: - Purchase and setup domain name with DNS, Email hosting, DKIM, SPF and Reverse DNS. Email Management: - Office365 (with SharePoint, Azure and Intune), cPanel (VentraIP, GoDaddy, Hostinger and Crazy Domains) FIrewall Support: - pfSense and Mikrotek Network Support: - Cisco, Unifi, TP-Link Omada

  • Windows Server
  • Computer Network
  • Computer Skills
  • Computer Maintenance
  • Office 365
  • cPanel
  • WordPress Website Design
  • Windows 10 Administration
  • Windows 11 Administration
  • Windows 7 Administration
  • Windows 8 Administration
  • PfSense
  • Microsoft Active Directory
  • DNS
  • Laser Printer
Arif A.

Tarneit, Australia

$45/hr
5.0
9 jobs

SENIOR IT SUPPORT ENGINEER | SYSTEM ADMINISTRATOR FOR FAST, RELIABLE BUSINESS & HOME IT SOLUTIONS I am a highly experienced IT Support Specialist and System Administrator with 15+ years of hands-on experience delivering fast, reliable, and secure IT solutions across enterprise environments, managed service providers, and direct client support. I help individuals and businesses resolve technical issues quickly, improve system performance, and maintain secure and stable IT environments. My expertise covers Windows, Mac, Microsoft 365, networking, servers, cloud platforms, and cybersecurity support. My focus is not just fixing problems, but ensuring systems are stable, secure, and optimised for long-term performance. I provide end-to-end IT support, including: -Windows 10/11 troubleshooting, repair, and optimisation -MacBook, iMac, iPhone, and iPad support -Microsoft 365 setup, administration, email issues, and migration -Wi-Fi, NBN, router setup, and network troubleshooting -Windows Server, Active Directory, and user management -Cloud support (Microsoft Azure, Intune, Google Workspace) -Cybersecurity, antivirus protection, backups, and system hardening -Printer, hardware, software, and peripheral setup -Data migration, recovery, and system upgrades -Remote and onsite IT support -Technical Strengths -Microsoft 365 / Exchange Online administration -Windows Server environments and Active Directory -Network configuration, troubleshooting, and optimisation -Endpoint management and device security -IT infrastructure support and system maintenance -Cloud platforms and business IT systems I have worked across: *Enterprise IT environments *Managed Service Providers (MSPs) *Corporate and end-user support roles *Infrastructure and systems administration This experience has strengthened both my technical depth and my ability to communicate clearly with non-technical users while solving complex IT issues efficiently. I focus on: #Fast diagnosis and practical solutions #Clear communication without technical jargon #Root-cause troubleshooting, not temporary fixes #Minimal downtime and disruption #Long-term system stability and security Every issue is handled with a structured, professional approach to ensure it is fully resolved. Why Clients Choose Me: **15+ years proven IT experience **Strong enterprise and business IT background **Fast, reliable remote support **Clear and honest communication **High-quality, long-term solutions **Professional and client-focused approach Support Options: -Remote IT support (fast response and resolution) -Onsite support (Melbourne-based when required) -One-off fixes or ongoing IT management support If you are facing IT issues or need a reliable IT professional to manage your systems, I can help you get everything running smoothly and securely. Send me a message with your issue, and I’ll provide a clear and practical solution.

  • System Administration
  • Windows Administration
  • Office 365
  • Business with 100-999 Employees
  • Microsoft Azure
  • macOS
  • Microsoft Active Directory
  • System Configuration
  • Technical Support
  • Skype For Business
  • Ticketing System
  • Desktop Support
  • Virtualization
  • Microsoft Outlook
Sergey S.

Wangi Wangi, Australia

$40/hr
5.0
175 jobs

Australian with Russian origin, started UNIX programmer/system administrator in Russian pioneer ISP company, 20+ years of free-lance - web-development, scripting, UNIX system admin, web-site configuration/migration/backups, software installation/tuning. Background in mathematics allows me to find unusual and effective approach to the problem. Doing my best to get the work done quickly Main area of expertise - all sort of UNIX work: scripting (PHP/Perl/bash), C programming, system administration (LAMP/Apache/Mysql/nginx/cron/SSL/FTP/DNS/Postfix/Dovecot/Varnish etc.), software installation and upgrade, backup, data migration etc. with wide variety of UNIX flavours (Amazon EC2/Ubuntu/Centos/Fedora/RedHat/Free BSD/BSDI/Solaris/AIX/SCO) - web-development, mostly core PHP/MySQL, as well as HTML/JS/AJAX etc. - general programming/scripting - C/PHP/Perl - custom scripts/web-apps to work with various APIs - Amazon S3, Google, Youtube, facebook, Tumblr, oAuth etc. - Audio/Video/Image/documents processing - ffmpeg, imagemagick, GD, avisynth, lame, Photoshop etc. My username on Hacker Rank: funster

  • Linux System Administration
  • Network Administration
  • Ubuntu
  • C
  • English to Russian Translation
  • Unix Shell
  • Russian to English Translation
  • PHP
  • Unix System Administration
  • LAMP Administration
  • ImageMagick
Jace A.

Sydney, Australia

$70/hr
5.0
2 jobs

I am one of the few freelancers on Upwork with over 32 years of hands-on IT experience, gained exclusively within the Australian market. Based in Sydney, I work exclusively with Australian businesses and am available during Australian business hours. This means you can expect fast response times, clear communication, and a consultant who understands Australian business culture, expectations, compliance requirements, and operating environments. f you're located in Sydney, I'd be happy to come on-site and provide support when needed. Throughout my career, I have worked with leading Australian organisations, including Data#3, Dimension Data, Telstra, Woolworths, and Optus, along with many other businesses across a wide range of industries. The knowledge and experience gained from these organisations enables me to deliver the same professional and structured approach that businesses expect from large IT service providers, while offering the flexibility, responsiveness, and cost-effectiveness of an independent consultant. Whether you need urgent troubleshooting, ongoing support, project delivery, or strategic IT guidance, I provide practical, cost-effective, and easy-to-use technology solutions tailored to your business needs. Areas of Expertise Infrastructure & Data Centre Technologies Networking & Cybersecurity Microsoft Azure & Cloud Migrations Microsoft 365 copilot and AI Adoption Virtualisation Platforms Microsoft 365 & Office 365 Virtual Desktop Solutions Windows Server Mobile Device Management (MDM) End User Computing Modern Workplace & Intune Ad-hoc IT Support IT Consulting & Advisory Managed IT Services Project Delivery & Migrations Infrastructure Modernisation Cloud Adoption & Migration Projects Technical Leadership & Architecture Guidance If you do not see a particular technology or service listed above, there is a good chance I have worked with it during my 32-year career. Feel free to discuss your requirements with me. Fully Insured For complete peace of mind, all my services are backed by IT professional insurance through a trusted global insurer with an Australian presence. A current Certificate of Currency and proof of identity can be provided prior to engagement upon request. This provides an additional level of assurance that many freelancers are unable to offer. I look forward to discussing your requirements and helping you achieve your technology goals.

  • Microsoft Certified Professional
  • Microsoft Azure
  • Virtual Desktop Infrastructure
  • Cloud Management
  • Virtualization
  • Office 365
  • Citrix
  • Data Center Operations
  • Microsoft Active Directory
  • VMWare
  • Cloud Implementation
  • Cloud Engineering
  • Cloud Architecture
  • Cloud Migration
  • Data Center Migration
Ian C.

Hawthorn, Australia

$45/hr
5.0
1 jobs

I am not good at betting and gambling. If you look through my profile and decide that I can help you do not hesitate. I am very flexible and open to negotiations. I am an experienced application and database designer, and developer, as well as a business data and report analyst. I can fix your product, provide analysis, give advice, or complete a full project from start to finish. I have broad experience in the development, integration, and automation of: • Microsoft Office products such as Access (all versions), Excel (versions 3 through 2021), Outlook, PowerPoint, Project, Visio, and Word. • Database management systems: MS SQL Server (versions 6.5 through 2019), Oracle, MySQL, etc. • Reporting services such as SSRS, Crystal Reports, Business Objects, SAP, Access and Excel • Visualization tools: Power BI and Tableau Areas of Expertise • Design, Development, and Administration of Applications, Databases and Reports • Reviving, Rewriting and/or Migrating Legacy Applications • Data Migration and Managment • Designing and Building of Reports • Data Visualization • Web & Desktop Development • Implementation and Deployment of New Products • Project and Product Management • Cleaning, Wrangling and Analysing Data • Business & Functional Analysis • Supporting Marketing Campaign • Creation of Technical & Training Materials Languages For development and application support, I usually use C#, VB.Net, and ASP.Net, along with traditional Visual Basic, ASP, and VBA for legacy applications. Additionally, I often use scripting languages such as VBScript, JavaScript, and Power Shell. And for analysis, I prefer Python, R, and various SQL scripts (ANSI-SQL, T-SQL, PL\SQL, SOQL, SOSL, SAS-SQL, MDX, DAX, and M Language).

  • Database Design
  • Database Architecture
  • Database Management System
  • Business Management
  • .NET Framework
  • ASP
  • Database
  • C#
  • Product Development
  • Specifications
  • Management Skills
  • International Development
Alex S.

Brisbane, Australia

$100/hr
4.7
34 jobs

🌟 Delivered 50+ High-Impact Solutions with warranty and support 🥇 Top 3% of Upwork Talent. 🏆 20+ years of Full Stack Web Developer experience. ⚡︎ Built 20+ robust and complex web applications based on PHP Laravel, Javascript (VueJS, React, NodeJS), Python, SQL, API Integration, Zoho CRM, etc. My clients received error-free scalable and highly effective software solutions that enabled them to not only increase their business efficiency and profitability but also reach competitive advantages leading towards market leadership. 🎯 To achieve your business goals, you might need some highly effective and robust solutions. Here are some of them I can provide: ✅ Developing from scratch / Expanding/ Improving ERP / CRM systems for business process automation (built from zero or based on existing solutions, like Zoho, Monday, HubSpot, etc.) ✅ API integration with any third-party solutions, including e-commerce platforms and payment gateways. ✅ REST API development for seamless connection and usage on multiple platforms. ✅ Developing mobile applications for a better user experience with your software. ✅ Developing custom web applications based on cutting-edge technologies to transform your ideas into reality and meet your business requirements. ✅ Website improvement or development including WordPress plugins and themes that enable increased converting traffic into paying customers. ✅ Designing highly scalable Database architectures to meet the requirements that your growing business demands. ⚡︎ While I can't assist everyone, we could be an excellent match if you're thinking: ● "I need a solution that I can trust 100% to solve our problems RIGHT" ● "The last time we tried to handle it by themselves it was embarrassing, and I never want to go through that EVER again. I need a professional who knows what and how to do" ● "We have ambitious goals and need a full-stack developer who can build scalable solutions to match our growth" ● "I'm not satisfied with out-of-box applications. We need an expert who can build custom applications to meet our requirements" ● "We're willing to invest in top-quality solutions that align with industry best practices. That’s why we need one of the BEST developers who prioritises quality" ● "Long-term vision is crucial for us. We want a reliable PARTNER for ongoing development and technical support." 🚀 Working with me, you will: ★ Get support and warranty on all implemented solutions. ★ Receive fast responses to your queries and have all issues with your applications resolved even without the need to figure out what caused the problem. ★ Save your money by getting clean, efficient code that is easy to read, understand, and extend for any future needs your business might have. A well-known fact is that a well-developed and SOLID principals-based application is much cheaper and faster to expand and modify than developing a new one from scratch whenever business requirements have changed. ★ Have a responsible and dedicated partner, ensuring tasks are completed perfectly, on time and in the most efficient way. ★ Focus on more important tasks without distractions, as I handle your technical problems and challenges. ★ Witness accelerated business growth with cutting-edge technology solutions tailored to your business. My clients are saying a LOT about me: 👍 Alex is a definite expert, who was able to give us a solid foundation for our system based on best practices - Business Founder. 👍 Alex was extremely proficient in solving advanced coding issues and ensuring the application was secure and robust at all times - CEO and Business Founder. 👍 Alex was quick to respond to any questions I had and did an excellent job working on my web application - CEO and Business Founder. My specialisation includes: ✔️ PHP / Laravel Framework / Symfony Framework / Custom CMS ✔️ SQL Databases (MySQL, PostreSQL) ✔️ NoSQL Databases (Neo4j, MongoDB, Redis) ✔️ JavaScript / Typescript / VueJS / jQuery / AJAX / React / NuxtJS / NodeJS / Angular / NextJS ✔️ API Development and Integration (GraphQL, Twilio, Google, Stripe, Xero, PayPal, eBay, Australia Post, FlxPoint, Cin7, BigCommerce, other eCommerce platforms etc) ✔️ Custom CRM development ✔️ Zoho, HubSpot development, customisation and integration ✔️ WordPress / Custom plugins and themes ✔️ Python / Flask / Django ✔️ Hybrid Mobile Application Development (Ionic Framework) ✔️ AWS (Amazon Web Services) / Cloud Solutions / DevOps / Docker ✔️ VoIP and SMS integration (Twilio API) I prefer to work on large and long projects primarily because I can better understand business processes and clients’ needs. This allows me to develop a system that requires less number of employees and, eventually, results in a decrease in companies’ expenditures. I have been involved in such projects 🕙 I am flexible with timing to ensure I am available for clients in any time zone. 🟢 If you think we can work well together, click the "Invite" button and let’s connect!

  • MySQL
  • Laravel
  • PHP
  • Python
  • jQuery
  • Vue.js
  • JavaScript
  • API Integration
  • Node.js
  • API Development
  • GraphQL
  • React
  • Neo4j
  • WordPress
  • Zoho CRM

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