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# Sr Security Engineer

- **Company:** Intersources Inc.
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Unit Testing, Code Generation, Code Review, Data Validation, Software Debugging, Fuzz Testing, Python (Programming Language), Open Web Application Security, Secure Coding, Data Streaming, Integration Tests, Tenable Nessus, Golang
- **Published:** September 25, 2026
- **Apply:** https://www2.jobdiva.com/portal/?a=62jdnw10t7d77ytz0lbaey9qxonk3b05a9tqw96rb7z6hlfo7xj79l9g6mp6aj2o&compid=0/jobs/33145129#/jobs/33145129

## About the Role

* Understanding of architectural trust boundaries, attack surfaces, and data flows.
 * Familiarity with structured threat modeling frameworks (e.g., STRIDE, PASTA).

 2. Triage & Policy Management
 * Working knowledge of common vulnerability classifications (CWE, CVE, OWASP Top 10).
 * Ability to interpret vulnerability scoring matrices and map findings to strict remediation SLAs.

 3. Vulnerability Reproduction
 * Proficiency in reading and writing code in at least two core languages (C++, Go, Java, Python).
 * Ability to set up local test harnesses, mock dependencies, and build minimal PoCs.

 4. Automated / Agentic Fixer QA
 * High attention to detail during code reviews (spotting hallucinations, regressions, off-by-one errors).
 * Understanding of secure coding standards (input validation, boundary checking, safe memory access).

NICE-TO-HAVES

 * Experience conducting threat model reviews for large distributed / microservice systems.
 * Ability to translate abstract system designs into concrete threat scenarios.
 * Experience managing vulnerability queues and reviewing compliance exception requests.
 * Familiarity with automated static/dynamic scanning tools.
 * Practical experience with fuzz testing, unit test frameworks, and sandbox execution.
 * Debugging complex runtime or logic errors across service boundaries.
 * Experience debugging and prompt-tuning automated code generation tools.
 * Familiarity with automated patch validation and differential testing., 1. Threat Modeling
 * Understanding of architectural trust boundaries, attack surfaces, and data flows.
 * Familiarity with structured threat modeling frameworks (e.g., STRIDE, PASTA).

 2. Triage & Policy Management
 * Working knowledge of common vulnerability classifications (CWE, CVE, OWASP Top 10).
 * Ability to interpret vulnerability scoring matrices and map findings to strict remediation SLAs.

 3. Vulnerability Reproduction
 * Proficiency in reading and writing code in at least two core languages (C++, Go, Java, Python).
 * Ability to set up local test harnesses, mock dependencies, and build minimal PoCs.

 4. Automated / Agentic Fixer QA
 * High attention to detail during code reviews (spotting hallucinations, regressions, off-by-one errors).
 * Understanding of secure coding standards (input validation, boundary checking, safe memory access).

NICE-TO-HAVES

 * Experience conducting threat model reviews for large distributed / microservice systems.
 * Ability to translate abstract system designs into concrete threat scenarios.
 * Experience managing vulnerability queues and reviewing compliance exception requests.
 * Familiarity with automated static/dynamic scanning tools.
 * Practical experience with fuzz testing, unit test frameworks, and sandbox execution.
 * Debugging complex runtime or logic errors across service boundaries.
 * Experience debugging and prompt-tuning automated code generation tools.

## Description

* The Security Engineer will join an operational security pod acting as the crucial bridge between automated security scanning/remediation systems and product code owners. The mission of this role is to streamline threat modeling, eliminate triage noise, validate exploitability through reproduction, verify automated/agentic patches, and shepherd open security issues through to verified production resolution., * Document trust boundaries, data flows, and architectural entry points to maintain up-to-date threat profiles for high-priority services.
 * Filter and triage findings from automated source and endpoint scanners, classifying severity and evaluating exception requests.
 * Construct minimal test environments and reproduction harnesses to validate exploitability and eliminate false positives.
 * Supervise and QA code patches generated by automated/agentic remediation tools, running unit and integration tests to check for regressions.
 * Route validated patches to product team code owners and coordinate end-to-end deployment verification within strict SLAs.
 * Conduct code reviews and ensure all fixes comply with secure coding standards (e.g., input validation, memory safety)., * Map trust boundaries, data flows, and architectural entry points to maintain standardized threat profiles.
 * Triage findings from automated static and endpoint security scanners, classifying severity and managing exceptions.
 * Build minimal reproduction harnesses and test environments to confirm exploitability and eliminate false positives.
 * Review, test, and QA automated code patches generated by AI/agentic remediation engines, preventing regressions and ensuring compliance with secure coding standards.