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Senior Offensive Cybersecurity Engineer

Req #: 203811
Location: Sterling, VA US
Job Category: Engineering
Security Clearance: TS/SCI
Clearance Status: Must be Obtainable

Job Description

Company Name:   BITS, a CACI Company


Summary:  CACI is seeking a Senior Offensive Security Engineer to join our team in supporting key missions. The ideal candidate for this job will be experienced in the vulnerability research, be goal-oriented, enjoys challenges, and strives to exceed expectations. 

In CACI's Cyber Capabilities and Development Division (C2D2), there isn’t a day that goes by where you won’t be challenged and have the opportunity to grow in an environment of innovation and fun!  Although CACI is a mid- to large-sized company, C2D2 operates like an independent small agile business, developing and executing on both long-term projects, as well as, Quick Reaction Capability development, rapid acquisition, and short-term deliverables. We approach our Customers as mission partners and focus on mission-oriented capabilities that deliver tip-of-the-spear force multiplying effects.  In short, we believe in our mission, our team, and our solutions!

Duties and Responsibilities:

  • Applies leading-edge cybersecurity principles, theories, and concepts
  • Performs security research and analysis

Required Qualifications:

  • Approximately 7+ years of related experience with Bachelor’s or equivalent
  • Offensive Cyber Engineering
  • Deep understanding of system internals for Windows and Linux
  • Strong knowledge of common vulnerability classes
  • Strong knowledge of C and Python
  • Knows the difference between CVE and CWE
  • Understands code versioning and tools such as GIT
  • Expert with debugging, disassemblers, and decompilers (GDB, IDA Pro, Binary Ninja)
  • Expert with x86 and x86-64 architectures
  • Knowledge of command and control frameworks
  • Has working knowledge of operating systems and algorithms
  • Knowledge of networking and cryptographic communications
  • Working knowledge of Kali Linux and the tools that come packaged with Kali Linux
  • US Citizenship and the ability to obtain a TS/SCI clearance

Desired Qualifications:

  • Mobile Exploitation
  • Experience with ARM and MIPS architectures
  • Experience with software defined radios
  • Working program analysis and fuzzing experience (Angr, AFL)
  • Capture the Flag Competitor
  • Black box and white box testing
  • Outside interest in security

Desired Certifications:

  • GIAC Certified Penetration Tester (GPEN)
  • Certified Information System Security Professional (CISSP)
  • GIAC Certified Incident Handler (GCIH)
  • Certified Ethical Hacker (CEH)
  • GIAC Certified Incident Handler (GCIH)
  • Offensive Security Certified Expert (OSCE)
  • Offensive Security Certified Professional (OSCP)
  • Security +

Company Information:

National and Cyber Solutions Group (NCS) is one of the leading providers of innovative, rapid response solutions for intelligence, cyber security, and Command, Control, Communications, Computers, Combat Systems, Intelligence, Surveillance, and Reconnaissance (C5ISR) across the Defense, Intelligence, and Homeland Security communities. NCS delivers the full spectrum of intelligence support, from strategic thought leadership to tactical operational support to leading edge cyber and multi-INT technologies – in order to meet the intelligence community’s most pressing mission needs.

The NCS Business Group spans five core mission areas, enabling us to specifically tailor services and solutions to meet our nation’s most pressing national security objectives: Cyber Intelligence Solutions, Digital Signal Processing (DSP) Development, Radio Frequency (RF) Solutions, Mission Application Development, and Geolocation Solutions.

What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.


Job Location



CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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