Senior DevOps Engineer

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Job Description

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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 Senior Engineer, DevOps role within our Infrastructure Platform and Developer

Experience Platform plays a crucial role in supporting and driving our company's strategy by:

• Enabling rapid innovation by optimising our deployment infrastructure and developer experience

• Enhancing operational efficiency through the implementation of best practices in DevOps and cloud management

• Ensuring scalability and reliability of our systems, supporting our commitment to customer satisfaction and business continuity

• Driving digital transformation by championing the adoption of cloud-native technologies

• Improving time-to-market by developing and maintaining efficient build pipelines and developer tools

• Enhancing security and compliance in our cloud infrastructure

Responsibilities:

Technical Leadership and Innovation

• Design, implement, and maintain scalable and resilient cloud infrastructure solutions for high-traffic, mission-critical systems

• Utilise Service Mesh technology to create a platform that simplifies application building, deployment, discovery, and maintenance for product teams

• Optimise cloud resources, engineering processes, and DevOps practices to enhance efficiency, reliability, and cost-effectiveness

• Champion and implement DevOps best practices, including Infrastructure as Code (IaC) and robust CI/CD pipelines

• Collaborate with other teams to integrate cloud infrastructure with Identity, API Platform, and Data Platform initiatives

Operational Excellence

• Implement and maintain comprehensive monitoring, logging, and observability solutions using tools like OpenTelemetry

• Leverage data-driven insights to make informed decisions and drive continuous improvement in our cloud infrastructure

• Ensure high availability, scalability, and performance of our cloud-based systems

• Implement and maintain robust security practices in our cloud infrastructure, adhering to industry standards and best practices

Collaboration and Leadership

• Work closely with product teams, architects, and other DevOps engineers to understand requirements and deliver optimal solutions

• Mentor junior engineers and contribute to fostering a DevOps culture within the organisation

• Participate in and contribute to cross-domain technology forums such as Architecture Guild and Tech Leadership Guild

• Collaborate with Principal Engineers and Architects to drive Solution Design for large initiatives

Experience and qualifications:

Technical Skills

• Extensive hands-on experience with AWS cloud platform, emphasising cloud-native services and best practices

• Proficiency in DevOps-centric languages such as Python and TypeScript

• Mastery of Infrastructure as Code tools, particularly AWS CDK and Terraform

• Expert knowledge of containerisation and orchestration technologies, especially Docker and Kubernetes

• Implement and optimize scalable Kubernetes infrastructure, enhance security, cluster performance and cost-efficiency.

• Advanced experience with CI/CD tools and practices, including implementation of shift-left testing principles

• Strong understanding of microservices, serverless computing, and event-driven architectures

• Proficiency with monitoring tools, log management, and observability platforms (e.g., OpenTelemetry, Prometheus, Elastic Stack)

• Experience with Service Mesh technologies, preferably Solo.io

• Solid understanding of network security principles and implementation in cloud environments

Soft Skills

• Excellent problem-solving and analytical skills

• Strong communication skills, with the ability to explain complex technical concepts to both technical and non-technical stakeholders

• Proven ability to work effectively in cross-functional teams

• Self-motivated with a passion for continuous learning and staying updated with the latest cloud and DevOps trends

Qualifications

• Bachelor's degree or higher in Computer Science, Software Engineering, or a related field, or equivalent professional experience

• Advanced AWS certifications (e.g., AWS Certified DevOps Engineer - Professional, AWS Certified Solutions Architect - Professional)

• 5+ years of experience in DevOps roles, with a strong focus on cloud infrastructure

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CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing