OpenCTI Engineer

In the game of life, are you stuck on level "Meh"? Why not unlock a legendary career move with us at Infinite Ranges! Let me spill the tea- Infinite Ranges stands on the cutting edge of deploying, implementing, and custom consulting for tailored Cybersecurity, application modernization and DevSecOps solutions. In under 48 months, we've grown to 60+ OEM partners, a staff of over 50, and hundreds of engagements, delivering both people and professional services at-scale. About The Role Infinite Ranges is seeking an experienced OpenCTI Engineer to join a high-impact engagement. This role is all about OpenCTI engineering configuration services including sizing, deployment, and ingestion in order to support the configuration and implementation of OpenCTI. You'll work hands-on and recommend environment sizing based on expected volume and user base, platform deployment and initial setup, and configuring data ingestion from various sources as defined by Janus. What You Will Be Doing • Recommend and execute environment and sizing requirements for OpenCTI. • Define Resource Allocation to avoid common out-of-memory errors in Elasticsearch or the API. • Create scalability of Workers balanced with platform instances • Review the status of Connectors to ensure they are ingesting data without errors. • Ensure the platform is deployed behind a reverse proxy with TLS/SSL enabled and that critical ports are properly firewalled. • Verify that secrets and tokens are managed via environment variables or a credentials provider rather than hardcoded in configuration files. • Verify vm.max_map_count to prevent boot-up failures. • Confirm that Elasticsearch data is stored on proper storage to minimize indexing latency. • Ensure the RabbitMQ module is configured for Message Limits, Stability and has the proper Worker ratio. • Document Executive Summary of the engagement and Best Practice recommendations. What We Want To See • 5+ years of experience in Open CTI • Strong understanding of the Elasticsearch and RabbitMQ • Comfort with overall networking and infrastructure deployment of OpenCTI. • Ability to document OpenCTI Configuration and Design Technologies Used in This Role: • OpenCTI • Elasticsearch • RabbitMQ • Platforms: RedHat Linux • Networking Bonus Points For: • Certifications like GIAC Cyber Threat Intelligence (GCTI), EC-Council Certified Threat Intelligence Analyst (CTIA), Crest Practitioner Threat Intelligence Analyst (CPTIA), Mandiant Academy Cyber Threat Intelligence (CTI) Analysis, MCSI Certified Threat Intelligence Practitioner (MTIA), ATT&CK Cyber Threat Intelligence Certification (MAD20) • Experience with CTI in a live incident • Familiarity with threat intelligence integration • Experience mentoring or coaching Cyberthreat Intelligence resources