Laurel, Maryland, USA On-site

GRIMM Cyber R&D is hiring an Exploit Developer - TS/SCI Full Scope Polygraph

About the Role

We are looking for a skilled Exploit Developer to contribute to high-impact client missions through the design and implementation of advanced exploitation techniques. This role demands a strong foundation in low-level programming and system internals, with a focus on Android and Linux-based environments.

Key Responsibilities

  • Design and develop reliable exploits for remote and constrained execution contexts
  • Analyze software vulnerabilities across complex, modern codebases
  • Reverse engineer binaries using industry-standard tools including Ghidra, IDA Pro, and Binary Ninja
  • Support mission planning with technical insights on exploit feasibility and delivery

Required Skills

  • Proficiency in C and JavaScript for systems-level and scripting tasks
  • Strong working knowledge of ARM and AARCH64 assembly languages
  • Deep understanding of Android operating system internals, with Linux experience as a foundation
  • Extensive experience with browser engine components, particularly V8, WebKit, and JIT compilation pipelines
  • Thorough grasp of modern exploit mitigations including ASLR, DEP, and ROP-based bypass techniques

Applicants must currently hold an active TS/SCI clearance with Full Scope Polygraph. This position involves hands-on technical work in support of national security objectives, requiring both innovation and precision.

Required Skills
JavaScriptARM AssemblyAARCH64 AssemblyCV8JITWebKitReverse EngineeringIDA ProBinary NinjaGhidraExploit DevelopmentVulnerability AnalysisAndroidLow-level Systems JavaScriptARM AssemblyAARCH64 AssemblyCV8JITWebKitReverse EngineeringIDA ProBinary NinjaGhidraExploit DevelopmentVulnerability AnalysisAndroidLow-level Systems
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About company
GRIMM Cyber R&D

GRIMM is a cybersecurity research and development company specializing in advanced security solutions across critical sectors. The company provides services such as red teaming, penetration testing, threat hunting, security management, and tailored software development.

GRIMM offers expert cybersecurity training and education with a hands-on approach designed for developers, engineers, penetration testers, and IT professionals. They also develop custom courseware to meet organizational needs.

The company serves industries including energy, federal defense, healthcare, financial services, telecommunications, and transportation, helping clients prevent, detect, and respond to sophisticated cyber threats.

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Job Details
Category security
Posted 9 days ago