IT Support Specialist Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate. About Domain Domain is a leading property technology and services marketplace that is home to one of the largest portfolios of property brands in Australia, including the Domain, Allhomes and Commercial Real Estate (CRE) platforms. In 2025, Domain became part of CoStar Group (NASDAQ: CSGP), a global leader in commercial real estate information, analytics, online marketplaces and 3D digital twin technology. Together, Domain and CoStar Group is dedicated to digitising the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. The role of an Engineer is pivotal in supporting the delivery of our Domain Strategy by driving innovation and ensuring the development of high-quality software solutions. By leveraging advanced technical skills and a deep understanding of ITIL and Delivery principles, the Engineer is at the forefront of how our Technology Team supports our internal customers. Handles and triages service requests, works to resolve incidents, identifies problems and implements changes. Working as part of a collaborative and integrated team both onshore and offshore. In addition to technical expertise, the Engineer plays a crucial role in terms of fostering a culture of continuous improvement and Engineering excellence. The Engineer also collaborates closely with cross-functional teams, including product management, to ensure that solutions are delivered securely focusing on customer value and business needs. Responsibilities: Confidence in handling stressful situations A demonstrated drive to continually learn, grow, and improve Excellent customer service and multi-tasking skills IT Support experience with the following: Windows OS device support & management Apple iOS and Android mobile device support & management Working knowledge of IAM (Identity and Access Management) and SSO tools such as Entra ID, PingID, OneLogin, and Okta Google workspace Administration Microsoft Exchange Own, create and or improve processes and procedures enabling best practices Build, maintain and grow internal relationships, drive deliverables and outcomes and Gain exposure to some of the complex tasks with the help of Senior Engineers and Support Staff. Basic Qualifications Exceptional (English) written and verbal communication skills Great practical troubleshooting skills in hardware, applications, databases, networks, and a diverse array of technologies Understanding ITIL Principles End to End Delivery Models (Agile) Experience with either highly trafficked customer-facing systems and or environments Experience working with Tech leads to optimise delivery practices and processes Experience working with the common Cloud Platforms such as AWS, Azure, and/or GCP, SaaS Strong familiarity with AD, DNS, DHCP, Group Policy, Files / Storage management. A working understanding of basic TCP/IP networking including VLANs Basic understanding of ZTNA and MDMs Ability to administer and support Windows Servers including AD, DNS, DHCP, Group Policy, Files & storage management Experience working in cross functional teams (Product, Design and Tech) and May require occasional lifting (up to 25kg). Preferred Skills: Degree or relevant certification in Information Technology (IT) Experience working in Agile environments Preferably knowledgeable with Atlassian, Jira, Slack, Teams, Freshdesk, 3CX phone System Competency with server and VM environments 3-5 years Service Desk experience CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing