Vulnerability Research and Exploit Developer

Job Title: Vulnerability Research and Exploit Developer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

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The Opportunity:
As a Vulnerability Research and Exploit Developer (VRED) at CACI you will play a crucial role supporting DoD and IA/IC requirements analyzing and exploiting mobile and network devices. You will be responsible for identifying and exploiting security weaknesses in complex systems while working closely with interagency partners within an interagency facility. Your role will involve seamless integration with Joint Cyber Operations Group (JCOG) personnel to ensure non-disruptive mission execution. This position demands strong analytical and problem-solving skills excellent written and verbal communication skills and the ability to thrive in a fast-paced dynamic environment. The successful candidate will attain and maintain a Polygraph and Top Secret/SCI (TS/SCI) security clearance.




Responsibilities:
Conduct in-depth vulnerability research and exploit development for mobile and network devices.
Identify and analyze security weaknesses in complex systems providing actionable insights and solutions.
Experience applying artificial intelligence models and AI-assisted workflows to accelerate vulnerability discovery and exploit development (e.g. LLM-assisted code analysis reverse engineering and triage).
Collaborate effectively with interagency partners and JCOG personnel to support mission objectives.
Develop and maintain tools and scripts for automated vulnerability detection and exploitation.
Ensure seamless integration of developed solutions into existing systems without disrupting ongoing operations.
Provide technical guidance and support to team members fostering a collaborative work environment.
Maintain detailed documentation of research findings exploit development processes and solution implementations.
Stay current with cybersecurity/VR/exploit development.


Qualifications:

Required:

Current Top Secret/SCI (TS/SCI) security clearance with polygraph.
Bachelors degree in Computer Science Cybersecurity Engineering or a related field with a minimum of five years of relevant experience; or equivalent combination of education and experience.
Proven track record of identifying and exploiting security weaknesses in mobile and network devices.
Strong proficiency in programming languages such as C/C Python and assembly (ARM/x86).
Experience with exploit development techniques reverse engineering and vulnerability assessment tools and frameworks (e.g. IDA Pro Ghidra Binary Ninja Frida GDB/LLDB QEMU).
Excellent written and verbal communication skills.
Ability to work independently with minimal oversight and function effectively within a team.



Desired:

Masters degree in a related field.
Certifications such as OSCP (Offensive Security Certified Professional) OSED/OSEE (Offensive Security exploit development certifications) GXPN (GIAC Exploit Researcher and Advanced Penetration Tester) and GREM (GIAC Reverse Engineering Malware).
Experience building fuzzing harnesses (e.g. AFL libFuzzer honggfuzz) and triaging the resulting crashes to root cause.
Deep understanding of memory-corruption vulnerability classes (stack/heap overflow use-after-free type confusion) and techniques for bypassing modern exploit mitigations (ASLR DEP/NX stack canaries CFI/CFG PAC application sandboxing).
Proficiency in reverse engineering closed-source binaries and embedded firmware (static and dynamic analysis).
Hands-on experience with iOS and/or Android internalssandbox escape kernel exploitation baseband and TrustZone/Secure Enclavebeyond general familiarity.
Demonstrated research outputpublished CVEs Pwn2Own results DEFCON/Black Hat talks or competitive CTF placements.
Experience with kernel-mode/low-level exploitation and OS internals (e.g. XNU Linux Windows) including drivers.
Java/Kotlin for Android-focused vulnerability research; familiarity with Rust or similar memory-safe systems languages is a pl

This position is contingent on funding and may not be filled immediately. However this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.

What You Can Expect:

A culture of integrity.

At CACI we place character and innovation at the center of everything we do. As a valued team member youll be part of a high-performing group dedicated to our customers missions and driven by a higher purpose to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. Youll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together we will advance our nations most critical missions build on our lengthy track record of business success and find opportunities to break new ground in your career and in our legacy.

Pay Range:

There are a host of factors that can influence final salary including but not limited to geographic location Federal Government contract labor categories and contract wage rates relevant prior work experience specific skills and competencies education and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI you will receive comprehensive benefits such as; healthcare wellness financial retirement family support continuing education and time off benefits.

The proposed salary range for this position is:

$94400 - $198200