Senior Cyber Threat Analyst: Bot & Web Security

Sigma Software; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Sigma Software seeks a Senior Cyber Security Analyst to join a team focused on identifying, investigating, and mitigating malicious web activity across large-scale digital environments. You will work with high-volume traffic data, analyze suspicious behavior, and contribute to security detections for bots, fraud, and online threats.

The role requires hands-on threat investigations, strong SQL/Python skills, and experience with Kibana/OpenSearch, Snowflake, and Datadog.

Qualifications

• 3–5 years of experience in Cybersecurity, Threat Research, or Threat Intelligence.
• Bachelor’s degree in Computer Science, Cybersecurity, Information Security, or a related field.
• Strong understanding of web technologies and networking fundamentals (HTTP/HTTPS, TCP/IP, DNS, cookies, and browser-server interactions).
• Experience in web security research, bot management, fraud detection, or related domains.
• Hands-on experience with threat investigations, IOC analysis, and threat intelligence research.
• Experience with log analysis and investigation platforms such as Kibana/OpenSearch, Snowflake, Datadog, or similar tools.
• Strong SQL skills, including working with large datasets and UDFs.
• 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.
• Knowledge of MITRE ATT&CK, malware analysis, vulnerabilities, and adversary TTPs.
• OSINT and cyber threat intelligence research experience.
• Python and Jupyter Notebook experience for investigations and automation.
• Experience with GitHub and version control workflows.

Responsibilities

• Monitor and investigate potential security threats using tools like Kibana/OpenSearch and Snowflake.
• Analyze security logs and investigate suspicious or unusual activity, including traffic spikes and changes in attack patterns.
• Determine whether activity is malicious or benign and identify responses; develop detections.
• Develop, tune, and deploy detection rules based on traffic behavior and indicators.
• Monitor detections and attack patterns to ensure effectiveness and adapt to changes.
• Support customer onboarding by analyzing web traffic and configuring baseline protections.
• Investigate customer incidents and missed detections to improve protection coverage.
• Document threats with evidence, findings, and indicators.
• Communicate findings to Engineering and stakeholders with technical remediation details.
• Collaborate with counterparts via ticketing systems to investigate issues and provide updates.

Skills

Threat analysis

Incident response

Threat hunting

SQL

Python

JavaScript

GitHub

OpenSearch

Kibana

Education

Bachelor’s degree in Computer Science, Cybersecurity, Information Security, or related field

Tools

Kibana/OpenSearch

Snowflake

Datadog

GitHub

Job description

Sigma Software seeks a Senior Cyber Security Analyst to join a team focused on identifying, investigating, and mitigating malicious web activity across large-scale digital environments. You will work with high-volume traffic data, analyze suspicious behavior, and contribute to security detections for bots, fraud, and online threats.

The role requires hands-on threat investigations, strong SQL/Python skills, and experience with Kibana/OpenSearch, Snowflake, and Datadog.