Senior DevOps/FinOps Engineer (Cybersecurity Platform)

Sigma Software; Warszawa; On-site; PLN 220,000 - 340,000; Full time

Job summary

Sigma Software seeks a Senior DevOps/FinOps Engineer to optimize large-scale cloud platforms under high load. You will own cost visibility, implement IaC, and drive efficiency across production systems in collaboration with Product and Engineering teams.

The role focuses on GCP, Kubernetes, Terraform, and Looker-driven reporting, balancing performance, reliability, and spend, while advancing multi-cloud strategies and FinOps practices in a cybersecurity context.

Qualifications

• At least 5 years of hands-on DevOps experience in high-traffic production environments.
• Strong experience with FinOps, cost optimization, and reporting.
• Deep understanding of cloud cost drivers and optimization strategies.
• Experience presenting proposals to engineering leadership.
• Kubernetes production experience; Terraform and Helm familiarity.
• English: Upper-Intermediate or higher.

Responsibilities

• Develop a deep understanding of complex, high-traffic infrastructure systems and services.
• Analyze distributed systems and legacy components to identify inefficiencies and optimization opportunities.
• Build and maintain infrastructure cost visibility, including reporting pipelines and dashboards.
• Identify and implement short-term and long-term infrastructure optimization initiatives.
• Collaborate with Engineering and Product teams to present and drive technical improvements.
• Own optimization initiatives end-to-end, from proposal to implementation and impact validation.
• Improve infrastructure scalability, reliability, and operational efficiency.
• Contribute to Infrastructure-as-Code and automation practices.

Skills

DevOps

FinOps

Cost optimization

GCP

Multi-cloud

Tools

Terraform

Kubernetes

Helm

Looker

Monitoring tools

Job description

Company Description

Join a high-impact cybersecurity project focused on protecting large-scale digital platforms from automated attacks and malicious activity. We are looking for a Senior DevOps/FinOps Engineer who is passionate about infrastructure optimization, cloud efficiency, and solving complex technical challenges in high-load environments.

Company Description

Join a high-impact cybersecurity project focused on protecting large-scale digital platforms from automated attacks and malicious activity. We are looking for a Senior DevOps/FinOps Engineer who is passionate about infrastructure optimization, cloud efficiency, and solving complex technical challenges in high-load environments.

You will become part of a highly autonomous engineering team working on infrastructure scalability, reliability, and cost-efficiency improvements for a mature production-grade platform. The role combines DevOps expertise, FinOps practices, and strategic collaboration with Product and Engineering stakeholders.

We at Sigma Software value ownership, proactive thinking, and technical excellence. This is an opportunity to influence infrastructure strategy directly while working alongside experienced professionals on a globally impactful cybersecurity solution.

CUSTOMER

Our Customer is a global cybersecurity company delivering advanced solutions that help organizations protect digital ecosystems, applications, and online services from sophisticated automated attacks, fraud, and malicious activity. Operating at large scale, the company focuses on improving online trust, security, and operational resilience across modern digital platforms.

PROJECT

The project is a high-load cybersecurity platform designed to safeguard applications and online services from malicious bot traffic and automated threats. The system operates within complex distributed environments and requires continuous optimization of infrastructure performance, scalability, and cloud spending efficiency.

You will work closely with Engineering and Product teams to identify technical gaps, improve infrastructure visibility, and drive cost optimization initiatives across production systems.

Key Technologies: GCP, Kubernetes, Terraform, FinOps, Infrastructure-as-Code, Distributed Systems

Job Description

• Develop a deep understanding of complex, high-traffic infrastructure systems and services
• Analyze distributed systems and legacy components to identify inefficiencies and optimization opportunities
• Build and maintain infrastructure cost visibility, including reporting pipelines and dashboards
• Identify and implement short-term and long-term infrastructure optimization initiatives
• Collaborate with Engineering and Product teams to present and drive technical improvements
• Own optimization initiatives end-to-end, from proposal to implementation and impact validation
• Improve infrastructure scalability, reliability, and operational efficiency
• Contribute to Infrastructure-as-Code and automation practices

Qualifications

• At least 5 years of hands-on DevOps experience in high-traffic production environments
• Strong practical experience with FinOps, infrastructure cost optimization, and reporting
• Deep understanding of cloud infrastructure cost drivers and optimization strategies
• Experience presenting technical proposals and optimization initiatives to engineering leadership
• Solid hands-on experience with Google Cloud Platform
• Production experience with Kubernetes
• Practical experience with Infrastructure-as-Code tools, preferably Terraform
• Knowledge of observability and monitoring solutions
• Hands-on experience with Helm
• At least an Upper-Intermediate level of English
• WILL BE A PLUS
• Experience working with multi-cloud environments
• Background in cybersecurity, fraud prevention, trust & safety, or application protection
• Practical experience with Looker
• Experience with large-scale distributed systems

Additional Information

PERSONAL PROFILE

• Proactive and self-driven mindset
• Strong ownership and accountability
• Ability to work independently in high-autonomy environments
• Excellent communication and stakeholder management skills
• Strategic and systems-thinking approach
• Ability to balance short-term improvements with long-term technical strategy