Senior Security Engineer - Blue Team; Remote

Insider One is the #1 platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak potential and become unstoppable.

Our story began with six desks and a vision to create a single platform to make industry‑first technologies and emerging channels accessible to marketers worldwide. Today, Insider One is powered by 1,500+ team members representing 50+ nationalities across 30+ offices. With AI at its core and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including Whats App, SMS, Email, Web, App, and Site Search.

We recently raised a $500M Series E led by General Atlantic and are backed by Sequoia Capital, QIA, Riverwood, and Endeavor Catalyst. We are trusted by 2000+ customers from high‑growth startups to Fortune 500 companies such as Samsung, Nike, L’Oreal, and more.

Insider One was congratulated for becoming one of the only woman‑founded, women‑led B2B SaaS unicorns. We are recognized as the #1 leader in capabilities marketing and customer engagement teams need.

We are not just hiring for a position, but for a mission – a mission to build a lasting legacy that will set the benchmark for the most progressive tech companies out there.

• Bachelor’s degree in Computer Engineering, Electronics Engineering, or equivalent.
• Minimum 4 years of experience in IT Security Architecture & Services.
• Strong knowledge and hands‑on experience with security technologies such as WAFs, SIEM, SOAR, EDR, ETP, vulnerability scanning tools, and deception technologies.
• Hands‑on experience with one of the SOAR tools (e.g., XSOAR, Resilient) is preferred.
• Strong understanding of network security devices (e.g., firewalls, IPS/IDS).
• Knowledge of Syslog, HTTP, and database log formats.
• Experience with Unix and Windows operating systems.
• Deep understanding of the attack lifecycle and its stages.
• Proficiency in Python or other scripting languages.
• Holding or willing to take the AWS Security Specialist Certificate.
• Preferably holding industry‑recognized certificates (e.g., CEH, AWS Sec).
• Splunk Core Certified Power User is a plus.
• Strong analytical, critical thinking, and problem‑solving skills.
• Ability to communicate technical details effectively to various stakeholders.
• A proactive, curious mindset with a keen interest in researching emerging cybersecurity threats and trends.

• Management and Maintenance of SIEM Tools:
  Configuring, monitoring, and enhancing SIEM functionalities.
• Rule Creation and Optimization:
  Developing rules, reports, dashboards, and use cases to detect threats and attacks.
• Threat Analysis:
  Analyzing threats using logs, IPS/IDS, cyber intelligence reports, and other data sources.
• MITRE ATT&CK Framework Integration:
  Reviewing existing rules and developing new attack detection scenarios.
• Incident Response:
  Taking an active role in detecting, analyzing, and mitigating security incidents.
• False Positive Reduction:
  Working with CDC Engineers to optimize detection logic and minimize false positives.
• Log Management:
  Importing and troubleshooting logs from various security products and company‑wide log sources.
• Security Metrics & Reporting:
  Defining and monitoring key security metrics, creating dashboards and reports.
• Database and EDR Tool Management:
  Maintaining, optimizing, and enhancing security configurations.
• Cyber Intelligence & Threat Hunting:
  Staying updated with the latest cyber threats and integrating threat intelligence into security operations.
• Tabletop Exercises:
  Actively participating in security drills and following up on action items.

• Enjoy a monthly meal allowance designed to enhance your daily routine.
• Access comprehensive private health insurance.
• Feed your curiosity with access to Spotify, Linked In Learning, Blinkist, Master Class, Neoskola, and Cloud Guru.
• Level up with internal trainings covering AI fundamentals, coding, foreign languages, and a wide range of personal development skills.
• Be part of a diverse team that’s as global as it gets, where every voice is heard and 50+ nationalities build…