CoStar Group · 3 hours ago
Senior Site Reliability Engineer
CoStar Group is a leading global provider of commercial and residential real estate information and analytics. They are seeking a Senior Site Reliability Engineer to design and maintain the resilience, performance, and scalability of their data infrastructure, addressing complex reliability challenges and optimizing systems that serve billions of transactions.
Responsibilities
Lead the design of observability, automation, and incident response frameworks
Own reliability for massive-scale systems and services used globally
Collaborate cross-functionally with engineering, product, and data teams to evolve our core platforms
Influence platform direction and infrastructure strategy across cloud and hybrid deployments
Drive large initiatives around performance, failover, disaster recovery, and cost optimization
Thrive on scale, reduce complexity, and systems-level thinking
Bring a product mindset to reliability, thinking beyond uptime to customer experience and business impact
Mentor others and lead by example in high-performance environments
Qualification
Required
Bachelor's Degree required from an accredited, not for profit university or college
A track record of commitment to prior employers
5+ years of experience managing large distributed systems using mass scale architecture
Have experience managing infrastructure that supports high-volume, low-latency applications
Experience designing, implementing, and maintaining APM and observability solutions for large-scale data infrastructure
Production experience with Kubernetes, Docker, and container deployment strategies
Infrastructure as code using Cloudformation, Terraform, or similar platforms
Experience in AWS is a must; experience in Azure or Google cloud as a plus
Experience with any relational or document databases
Experience with configuring Content Delivery Networks (CDN) for performance, caching, and global traffic management
Familiarity with infrastructure foundation components of large networks in AWS and on-prem (e.g., systems & network administration, DNS, hypervisors, containers, databases, multi-datacenters)
Background with Bash scripting and programming languages such as Java, C#, Python, NodeJS
Solid sizing and estimation techniques for small to medium size tasks and projects
Preferred
Server-less architecture methodologies
Familiarity with PCI compliance and remediation
Experience in REST API or Microservices development
Benefits
Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
Life, legal, and supplementary insurance
Virtual and in person mental health counseling services for individuals and family
Commuter and parking benefits
401(K) retirement plan with matching contributions
Employee stock purchase plan
Paid time off
Tuition reimbursement
On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
Access to CoStar Group’s Diversity, Equity, & Inclusion Employee Resource Groups
Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks
Company
CoStar Group
CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.
Funding
Current Stage
Public CompanyTotal Funding
unknown1998-07-01IPO
Recent News
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2026-01-16
2026-01-09
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