PROS HOLDINGS, INC.

Lead Site Reliability Engineer

BGR Sofia Hybrid Full time

PROS Holdings, Inc. (NYSE: PRO) is a leading provider of SaaS solutions that optimize omnichannel shopping and selling experiences, powering intelligent commerce. Leveraging leadership in revenue and pricing science, the PROS Platform combines predictive AI, real-time analytics and powerful automation to dynamically match offers to buyers and prices to products. Businesses win more with PROS. Learn how at pros.com

We’re looking for a Lead Site Reliability Engineer to drive the reliability, scalability, and security of our infrastructure. This is a strategic and hands-on role where you’ll collaborate with managers, architects, and engineers, lead cross-functional initiatives, mentor team members, and shape best practices in automation, quality, and cloud operations.

A Day in the Life of the Lead Site Reliability Engineer:

  • Lead reliability, disaster recovery, and incident response initiatives, including testing, planning, and communication.
  • Define and drive SLO programs, embedding reliability into development and ensuring effective monitoring.
  • Oversee capacity planning, performance optimization, and cloud infrastructure monitoring.
  • Drive automation of complex processes and lead the development of self-service tools.
  • Coordinate cross-team collaboration during incidents and releases, ensuring clear communication and resolution.
  • Apply security best practices, lead cloud security efforts, and support critical incident response.
  • Guide SRE and DevOps teams in technical solution design, coding standards, and resolving complex challenges.
  • Support AI platform development by contributing to agent framework design and infrastructure integration.
  • Lead improvements and standardization of the CI/CD ecosystem, including tools like GitHub Enterprise and JFrog Artifactory.
  • Champion Infrastructure as Code (IaC), GitOps practices, and cost optimization across multi-regional Kubernetes clusters.
  • Mentor team members, manage resource allocation, and oversee key SRE projects and budget planning.
  • Promote knowledge sharing, training, and continuous improvement across teams.

Required Qualifications - About you:

We are looking for candidates who possess the rare combination of the following achievements, skills, and behaviors.

  • 8+ years of experience in system administration and cloud infrastructure.
  • Proficiency in at least one high-level programming language (e.g., Python, Go, Java).
  • Strong knowledge of system administration, networking, and IT security.
  • Hands-on experience with container orchestration tools (Kubernetes, Docker Swarm) and microservices architecture.
  • Experience designing and developing scalable APIs and implementing automated testing frameworks.
  • Excellent communication, time management, and problem-solving skills.
  • Ability to work independently and collaboratively in cross-functional teams.
  • Experience mentoring junior engineers and driving knowledge-sharing initiatives.
  • University degree in Computer Science or related field; relevant certifications are a plus.
  • Excellent command of English.

AI Fluency & Growth Mindset- We welcome candidates who:

  • Understand core AI concepts and apply them ethically to enhance productivity, insights, and decision-making.
  • Craft effective prompts to optimize the quality and relevance of AI-generated outputs.
  • Explore and apply agentic AI systems, using or managing autonomous agents to streamline workflows and automate tasks.
  • Leverage AI tools to boost efficiency, creativity, and innovation in their daily work.
  • Stay curious and adaptable, continuously experimenting with AI-driven solutions to elevate team performance and customer impact.

PROS Core Values

  • We are Owners

We look for every opportunity to create a better PROS and a better experience for our customers – and we hold ourselves accountable.

  • We are Innovators

We think creatively to find new paths to success – for our people, our customers and our business.

  • We Care

We are centered on caring for the people, businesses, and communities we serve.

Why PROS?

PROS culture and the truly extraordinary people who work here are at the very core of our success. We have a passion for what we do, and we won’t stop until we’ve delivered on our promises. We’re committed to the success of our customers. That’s why we think harder and dream bigger – so our customers can go even further than they ever imagined possible.

This is a unique opportunity to join a company that has 30+ years of proven success with a long runway of more success.

Our people make PROS stand out from the rest. If you want to be a part of something truly extraordinary, come help us shape the future of how companies compete and win in their markets.

Work Environment:

Most work activities are performed in an office or home-office environment and require little to moderate physical exertion. Work activities may require periods of extended hours, critical deadlines and stressful situations. To successfully complete the tasks of this position, individuals must be able to communicate clearly (in writing and orally), comprehend business terminology, interpret numerical data.

This job description is intended to convey information essential to understanding the scope of the job and the general nature and level of work performed by job holders within this job. This job description is not intended to be an exhaustive list of qualifications, skills, efforts, duties, responsibilities or working conditions associated with the position.