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Cypher LLC |
August, 2017 -
Present |
Drupal & API Engineer
Leesburg (remote)
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Cosmo
Bringing order to Cyber Operations
A cyber threat intelligence platform built with the cyber planner in mind.
- Rebuilt OpenCTI interface to follow streamlined workflow to control ingestion, triage alerts and fine tune ML engine analysis
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Wrote all parsers for transforming emails and various log formats into appropriate STIX2 objects
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Built ingestion system to support custom configurations and toggle persistent storage of Observables while preserving analysis and prediction with or without historical data.
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Wrote test cases and reproducible pen test with ZAP Security Scanner to validate performance, processing and predictions.
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Used Stix2 ANTLR4 grammar for pattern matching log data with existing Indicators of Compromise
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Leveraged inference engine settings to automated indirect relationships between different Stix objects
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- Used React Native, Redux and AsyncStorage to create offline-first native applications for iOS and Android with persistent storage and network detection for gracefully handling session restores and database synchronization.
- Preserved backward compatibility while adding and improving all features of the app including Messaging, Safety Notifications, document sharing and downloads, file uploads.
- Built synchronous test suite for end-to-end API testing as any user.
- Used ReactJS with Google Chart API to build a variety of analytical charts on flight data with user controls for drilling on data and changing graph types.
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FLC
Federal Laboratory Consortium for Technology Transfer
Promoting, Educating, and Facilitating Knowledge Transfer
- Programmtically migrated a custom Solr server into Drupal for content management
- Wrote duplicate reducer to compare nodes by measuring the similarity of common fields across sources. Used Levenshtein Distance algorithm and took action based on threshold configurations.
- Rebuilt new Solr indexes with Drupal's Search API to respect CMS revisions and publish settings
- Built Full-Text search tools for the global site Search and FLCBusiness
- Built custom in-page editorial tools available by Drupal roles and node access hooks
- Integrated CAS Authentication System for unified login portal between FLC sites
- Rebuilt custom theme with Bootstrap 4 to improve overall site responsiveness, scalability, and ARIA compliance
- Wrote automated crawling importers for all NASA labs and various 3 parties technology sources
- Upgraded Google Map integration to automatically update Map results alongside listed search results
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