Cyber Security Analyst

Are you passionate about making the internet a safer place? We are looking for a Middle Security Operations Researcher to join our team and help protect enterprise clients from harmful bots and online threats. This is a remote, full-time role that offers the opportunity to work directly with global customers, analyzing traffic patterns and neutralizing malicious activity.

At Sigma Software, we value expertise, ownership, and proactive communication. You will collaborate with a diverse international team while enjoying the flexibility of working from anywhere.

Why join us? You will work on impactful cybersecurity projects, gain exposure to cutting-edge analytics tools, and contribute to safeguarding digital ecosystems worldwide.

CUSTOMER
Our customer is a global provider of comprehensive security solutions, protecting individuals, organizations, and communities from a wide range of risks, particularly in the digital space. Their enterprise-focused products specialize in bot defense and invalid traffic detection, helping clients safeguard critical systems and maintain operational integrity.

PROJECT
The project focuses on real-time threat detection and bot mitigation for enterprise-scale clients. Security Operations Researchers collaborate directly with customers, leveraging advanced analytics platforms to identify malicious traffic patterns and neutralize online threats. This dynamic environment requires both technical expertise and strong communication skills.

• Provide technical support to customers in real time, delivering clear and professional responses
• Analyze logs, graphs, and dashboards, isolating and investigating data using tools like Kibana/OpenSearch
• Manage and own customer cases and internal tickets in Jira Service Management (JSM)
• Perform back-office tasks, including adding fingerprints of attacks after analyzing the attack's identifiers
• Write and optimize SQL queries for data retrieval, analysis, and manipulation in BigQuery/Snowflake
• Communicate with global customers, ensuring timely responses and effective issue resolution
• Work in a shift-based schedule, including weekends

• 2+ years of experience in data analysis, including working with logs and dashboards
• Experience working with web traffic data, including HTTP traffic, logs, request analysis, and traffic pattern investigation
• Strong SQL skills: Common Table Expressions (CTE), aggregations, GROUP BY, ORDER BY, filters, window functions (e.g., RANK()), and subqueries
• Experience with SIEM systems. Nice to have: experience with the Elastic Stack
• Technical understanding of web technologies and client–server architecture (APIs, HTTP, basic HTML/JavaScript)
• Strong troubleshooting and problem-solving skills
• Experience in customer support, including direct communication with clients; professionalism and politeness are essential
• Strong English communication skills

WILL BE A PLUS:

• Experience in a Cybersecurity Analyst/Researcher role, ideally supporting external customers in threat detection and response
• Experience in web security and security research: web application security, bot management, fraud detection
• Basic Python skills
• Experience with Kibana

• High level of responsibility and ownership
• Ability to work independently with minimal supervision
• Planning and decision-making skills with considerations for multiple integrated systems
• Proactive communicator who keeps stakeholders informed without being prompted