Senior Cyber Security Analyst

Sigma Software Group

. Monitor and investigate potential security threats using tools such as Kibana/OpenSearch and Snowflake .

Posted 11/11/2026full-timeRemote • PolandSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Incident Response, Threat Research, and Managed Detection and Response, with strong analytical skills for investigating security threats and implementing effective detection rules. Proficient in log analysis, web technologies, and communication with stakeholders to enhance security measures.

Highest-signal resume keywords

Incident Response ExperienceLog Analysis SkillsSQL ProficiencyWeb Technologies KnowledgeCommunication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Log AnalysisSQLJavaScriptDetection Rule DevelopmentTraffic Behavior Analysis

Soft Skills

Analytical SkillsProblem-Solving SkillsIndependenceCollaboration Skills

Tools & Technologies

KibanaOpenSearchSnowflakeDatadogGitHub

Industry Keywords

CybersecurityThreat ResearchThreat IntelligenceWeb SecurityFraud Detection

Tech Stack

Tools & technologies

Cyber SecurityDNSJavaScriptPythonSnowflakeSQLTCP/IP

About the role

Key responsibilities & impact

Monitor and investigate potential security threats using tools such as Kibana/OpenSearch and Snowflake
Analyze security logs and investigate suspicious or unusual activity, including spikes in traffic, unexpected changes in attack patterns, and new or disappearing attack signals
Discover and document threats and attacks
Develop, tune, and deploy detection rules based on traffic behavior, HTTP request attributes, headers, device fingerprints, and other indicators to mitigate malicious activity
Monitor existing detections and known attack patterns to ensure they continue to work as expected and identify unusual changes in volume, sources, IPs, domains, or other indicators
Support customer onboarding by analyzing web application traffic flows and configuring baseline detection and protection rules
Investigate customer-reported incidents and missed detections, analyze attack traffic, and implement mitigations to improve protection coverage
Communicate findings to Engineering and other stakeholders and provide technical details to support remediation and improvements to detection and protection mechanisms

Requirements

What you’ll need

3-5 years of experience in Incident Response roles like Threat Research, Managed Detection and Response or Customer Security Operations
Bachelor’s degree in Computer Science, Cybersecurity, Information Security, or a related field
Strong understanding of web technologies and networking fundamentals, including HTTP/HTTPS, TCP/IP, DNS, authentication, cookies, and browser-server interactions
Experience with log analysis and investigation platforms such as Kibana/OpenSearch, Snowflake, Datadog, or similar tools
Strong SQL skills, including working with large datasets
Basic knowledge of JavaScript for web and client-side analysis
Strong analytical and problem-solving skills
Ability to work independently and manage investigations with minimal supervision
Strong communication and collaboration skills
Passion for cybersecurity and continuous learning
Nice to have: Background in Cybersecurity / Threat Research / Threat Intelligence
Nice to have: Hands-on experience in web security research, bot management, fraud detection, or related security domains
Nice to have: History of tracking threat actors, their TTPs, indicators of compromise
Nice to have: Python and Jupyter Notebook experience for investigations and automation
Nice to have: Experience with GitHub and version control workflows