Senior Data Engineer (Cybersecurity platform)

Maintain and enhance existing data processes with a focus on reliability, scalability, and performance optimization

Analyze and fully understand existing data models, tables, workflows, and processing jobs

Identify technical gaps, bottlenecks, inefficiencies, and opportunities for system improvements

Design, optimize, and support large-scale data pipelines and transformation processes

Drive modernization initiatives across the data platform and implement architectural improvements

Optimize complex SQL queries and improve data processing latency

Collaborate with product engineering teams to align on technical solutions and implementation strategies

Contribute to both short-term delivery goals and long-term platform evolution

Ensure adherence to best practices in data engineering, performance optimization, and system reliability

5+ years of commercial experience in Data Engineering

Expert-level SQL skills with hands-on experience optimizing complex queries for performance and scalability

Strong practical experience with DBT for data transformation and modeling

Solid understanding of database concepts, including DDL, DML, and advanced SQL

Hands-on experience with Snowflake

Experience working with Elastic stack technologies

Proven experience designing, building, and maintaining large-scale data pipelines

Strong analytical and problem-solving skills

Ability to work independently in a high-autonomy environment

Experience driving technical initiatives from idea to implementation

Strong communication and collaboration skills

Upper-Intermediate English level

WILL BE A PLUS

Experience with Airflow for workflow orchestration

Experience in cybersecurity or security-related products

Experience modernizing legacy data systems and architectures

Join a high-impact cybersecurity project where data engineering directly contributes to protecting applications from automated attacks and malicious activity. We are looking for a Senior Data Engineer who thrives in autonomous environments, enjoys solving complex data challenges, and is ready to drive modernization initiatives across scalable data systems.

As part of Sigma Software , you will collaborate with experienced international teams, influence architectural decisions, and work with modern data technologies in a remote-friendly environment aligned with the EU/Ukraine timezone.

We value proactive engineers who combine technical excellence with ownership and strategic thinking. This role offers the opportunity to contribute to cybersecurity products used at scale while growing within a supportive and people-focused company culture.

CUSTOMER

Our Customer is a global cybersecurity company delivering advanced digital protection solutions for businesses, organizations, and communities worldwide. Operating across multiple cybersecurity domains, the company focuses on identifying vulnerabilities, preventing threats, and strengthening digital resilience.

PROJECT

The project is focused on developing and improving a solution designed to safeguard applications from automated attacks and malicious traffic. The team works on scalable and high-performance data infrastructure supporting security analytics, monitoring, and detection capabilities. The environment combines legacy system modernization with the development of reliable and scalable data workflows, requiring strong ownership and close collaboration with cross-functional engineering teams.

Originally posted on Himalayas