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Application Security Engineer

Job in Hanover, Grafton County, New Hampshire, 03755, USA
Listing for: hackajob
Full Time position
Listed on 2026-06-13
Job specializations:
  • Security
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

MANTECH seeks a motivated, career and customer-oriented Application Security (App Sec) Engineer to join our team in Hanover, MD
.

The Application Security (App Sec) Engineer will leverage their strong technical background and knowledge to support software assurance and security initiatives for a mission‑critical organization within the Intelligence Community, focusing on secure and reliable data dissemination through rigorous source code analysis.

Responsibilities Include But Are Not Limited To
  • Utilizing, fine‑tuning, and evaluating the suitability of automated Software Assurance (SwA) tools for specific customer environments to maximize detection and minimize false positives.
  • Interpreting SwA tool results to detect vulnerabilities, triage findings, and drive secure coding practices across the development lifecycle.
  • Developing and executing test methodologies, custom scoring criteria, and specific test cases to support and optimize SwA tool analysis.
  • Performing software security assessments and interfacing with clients and developers to recommend effective remediation strategies for identified code vulnerabilities.
  • Creating technical documentation, comprehensive vulnerability test reports, and risk assessments for leadership.
  • Researching and assessing emerging SwA tools and methodologies to continually enhance the team's software security analysis capabilities.
Minimum Qualifications
  • 15+ years of professional experience (or 13+ years with a Bachelor’s degree, or 11+ years with a Master’s degree) in Systems Security Engineering, Software Programming, or Computer Science.
  • Strong, hands‑on experience in C/C++ or C#, with the ability to read/analyze Java.
Preferred Qualifications
  • Experience with technology tools including Klocwork, Code Sonar, Fortify, Code Peer, IDA Pro, or Fortran-Lint.
  • Experience with low‑level architectures (, Power

    PC, MIPS), assembly language (ASM), or legacy languages like Ada.
  • Experience with Rust and/or the ability to learn.
Clearance Requirements
  • An active TS/SCI with Polygraph.
Physical Requirements
  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co‑workers, management, and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.
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