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Senior Security Engineer

Irving, TX Contract Remote 09/04/2026 Job ID: 000099
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Application Security DevSecOps Secure SDLC CI/CD pipelines Security automation

Summary

What you’ll impact

The Senior Application Security Engineer will partner with enterprise software engineering squads to embed security throughout the development lifecycle, automate security gates in CI/CD pipelines, and lead vulnerability remediation. The role involves hands‑on application security work, including manual testing, code review, and development of metrics dashboards, on a 13‑month full‑time contract.

Responsibilities

What you'll do

  • Embed Secure SDLC & DevSecOps: Define and automate security gates, vulnerability standards, and Definition of Done criteria across Agile engineering pipelines.
  • Tooling & Repository Security: Manage and optimize repository scanning coverage—including SAST, SCA, dependency review, and secret scanning via GitHub Advanced Security and CodeQL.
  • Exploit Validation & Penetration Testing: Conduct manual security testing and triage findings using Burp Suite and API testing suites to distinguish actionable business risks from false positives.
  • Code-Level Remediation: Collaborate with developers to review, test, and patch application code in Java and Python across cloud and on-premise workloads.
  • Metrics & Modern Capabilities: Develop vulnerability reduction dashboards for leadership and champion the safe adoption of AI-assisted security and development tools.

Requirements

What you’ll bring

  • 5–7+ years of hands-on experience in Application Security, DevSecOps, or Software Engineering with a strong security focus.
  • Deep technical knowledge of OWASP Top 10, API Security Top 10, authentication/authorization protocols (OAuth, OIDC, SAML), and secure coding standards.
  • Proven experience with AppSec tooling: GitHub Advanced Security (GHAS), CodeQL, SAST/DAST, SCA, and Burp Suite.
  • Proficiency in reading, debugging, and modifying code in Java and Python.
  • Solid grasp of cloud security concepts, modern containerized architectures, and CI/CD automation.
  • Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or equivalent experience.

Ready to Move Forward?

Apply now and our recruiting team will reach out with next steps, interview guidance, and client insights tailored to this role.