Clifton Roland Watkins Innovations LLC
  • Annapolis Junction, MD, USA
  • Full Time

Sr. iOS Software Vulnerability Engineer

Must have active Top Secret/SCI with Full Poly clearance to apply

 Looking for an exciting opportunity? CRWI is seeking a motivated software engineers with demonstrated iOS Mobile Device development experience.


Primary focus will be on researching proof of concept techniques and reverse engineering vulnerabilities and publicly released exploits in mobile devices. The team works in a collaborative and agile environment with often-changing priorities and demands. You must be a self-starter with the ability to take initiative in the work.


At least 16 years of general experience in computer science, computer engineering, mathematics, or a related discipline

At least 5 years of experience in software-intensive projects and programs for government or industry customers.

At least 5 years of the experience must have been as a software engineer supporting software architecture development, requirement analysis, process execution and evaluation, selection and evaluation of COTS/GOTS tools, and integration (with both new and existing systems).

 A bachelors degree in computer science, engineering, mathematics or a related discipline may be substituted for 4 years of general experience. A masters degree in computer science, engineering, mathematics, or a related discipline, may be substituted for an additional two (2) years of general experience.


Working knowledge of various programming languages: C/C++, Python, Assembly, Objective-C, Java, etc.

Experience with code execution in non-traditional manners using shell code and injected code

Experience with manual loading and execution techniques

Experience with HEAP internals, HEAP overflow, use after free and spray concepts

Experience with some of the following:

ARM/ X86/ other assembly language
iOS SDK programming/engineering; OSX kernel experience can be substituted for specific iOS experience
iOS kernel, drivers, and JNI exposure;
Reverse engineering and software analysis tools toolsets
Debug tools for crash analysis
Native debugging
Web platform software (mobile software and mobile hardware)
Experience with JavaScript and browser internals and process communication
Experience with vulnerability research
Experience with designing software tools and subsystems to support software reuse and domain analyses and manage their implementation

CRW Innovations is a proud Equal Opportunity Employer of Minorities, Females, Protected Veterans, and Individuals with Disabilities.



Clifton Roland Watkins Innovations LLC
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