Senior DevOps Engineer (Cybersecurity Platform)

SigmaSoftware2

Cluj-Napoca, CJ, Romania Remote permanent

Posted: March 17, 2026

Job Description

Are you passionate about designing resilient architectures for high-scale, real-time cloud operations? We are looking for a Senior DevOps Engineer to join our team and work on cutting-edge solutions in the cybersecurity domain.

This is a full-time role with flexible remote or hybrid work options. We at Sigma Software value autonomy, technical ownership, and the ability to solve complex challenges. Joining us means being part of a company that delivers innovative and secure solutions to customers worldwide.

At Sigma Software, you will work with advanced technologies, contribute to impactful projects, and enjoy competitive benefits, professional growth opportunities, and a supportive team culture.

CUSTOMER

Our Customer is a leading cybersecurity company that develops advanced security solutions integrating AI-driven anomaly detection. The platform serves compliance-heavy industries such as finance, healthcare, and government, delivering autonomous governance, real-time operational enforcement, and protection of high-value information assets. The company is recognized for its innovative approach to safeguarding both digital and operational environments, ensuring resilience against evolving threats.

PROJECT

This project focuses on delivering comprehensive visibility and autonomous governance over dynamic execution patterns. It enforces real-time operational protocols to protect high-value information assets and neutralize systemic anomalies. You will work on scalable architectures, rapid prototypes, and high-security systems in a fast-paced environment to ensure reliability and performance.

• Architect, scale, and maintain self-managed Redis, Kafka, Elasticsearch/OpenSearch, and MongoDB clusters
• Collaborate with Product and Engineering teams to design resilient architectures for high-scale, real-time cloud operations
• Proactively identify bottlenecks and security risks, implementing robust solutions with minimal supervision
• Ensure high availability and disaster recovery for distributed systems through Infrastructure-as-Code and CI/CD best practices
• Optimize performance and reliability of cloud-native systems, focusing on observability and automated recovery processes
• Mentor team members and contribute to DevOps knowledge-sharing across the organization

• At least 5 years of hands-on experience as a DevOps Engineer in high-traffic, real-time environments
• Advanced knowledge of Google Cloud Platform
• Production-level expertise in Elasticsearch/OpenSearch
• High proficiency in managing self-managed deployments of Kafka, Redis, or MongoDB
• Proven track record with Infrastructure-as-Code and modern CI/CD pipelines
• Strong skills in Kubernetes and Docker
• Experience with observability tools like Prometheus, Datadog, and Loki
• Proficiency in scripting languages (Go, Python, Bash)
• At least an Upper-Intermediate level of English

WILL BE A PLUS:

• Experience with PostgreSQL or Pulumi
• Familiarity with additional security compliance frameworks relevant to finance, healthcare, or government sectors
• Contributions to open-source DevOps or security tools

PERSONAL PROFILE

• Self-motivated and comfortable working autonomously
• Passion for deep technical ownership and system optimization
• Strong problem-solving skills with a proactive mindset
• Excellent communication skills for cross-functional collaboration

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