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December 17, 2025

Site Reliability Engineer (SRE) (cyber security)

Senior • Hybrid

Warsaw, Poland

We are seeking a Site Reliability Engineer with a strong and specialized skill set. The ideal candidate works with complex automation, drives effective incident management, leads system optimization efforts, and helps ensure the reliability, scalability, and performance of our services.


Responsibilities:

  • Handle incidents, running post-incident reviews, and recommending improvements

  • Design and implement more complex automation solutions for deployment, monitoring, and scaling

  • Build and optimize CI/CD pipelines, integrating best practices for testing and deployment automation

  • Identify and address performance bottlenecks or reliability issues, such as database optimisations and network performance

  • Analyse application workloads, perform forecasting, and ensure infrastructure scales with traffic and usage

  • Work closely with development teams to integrate reliability into the development lifecycle


Min requirements:

  • • Proven experience as a System Reliability Engineer or similar role in a .NET environment.

    • Strong knowledge of cyber security principles and practices.

    • Experience with OS and framework upgrades.

    • Familiarity with DevOps principles and tools.

    • Excellent problem-solving skills and attention to detail.

    • Strong communication skills and the ability to work with globally distributed teams.


We offer:

  • Opportunity to work on bleeding-edge projects

  • Work with a highly motivated and dedicated team

  • Competitive salary

  • Flexible schedule

  • Benefits package - medical insurance, sports

  • Corporate social events

  • Professional development opportunities

  • Well-equipped office


About us:

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.