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Cyber Reverse Engineer

CACI International

Sterling, VAFull-time$79–163K/yrSeen 1w agoSeen in employer's feed 3 days ago

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At a glance

Compensation
$79–163K/yr
Location
Sterling, VA
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearanceBachelor's degree

Job overview

The Cyber Reverse Engineer investigates embedded software and hardware, analyzes binaries and communication protocols, and researches vulnerabilities in software and firmware. The role works across multiple projects in an interdisciplinary R&D environment, independently and with a team, and communicates findings through technical reports and customer briefings. Candidates need a bachelor's degree in a specified engineering or computer science field, five or more years of relevant experience, and an active Top Secret clearance with the ability to obtain SCI.

Skills & qualifications

RequiredNice to have

Skills

Assembly Reverse EngineeringPythonUnix Shell ScriptingVirtualizationBinary Analysis ToolsEmbedded Firmware Reverse EngineeringUser/System-Level EmulationC/C++LinuxWindowsEmbedded Firmware DevelopmentBinary Vulnerability AnalysisMemory ManagementEncryption and HashingEthical HackingSoftware Vulnerability TestingHacking Tools and TechniquesReverse Engineering

Qualifications

Active Top Secret Clearance With SCI EligibilityBachelor of Science in Computer Science, Software Engineering, Computer Engineering, or Electrical Engineering5+ Years Relevant Work ExperienceReverse Engineering CertificationsCybersecurity CertificationsActive TS/SCI or TS/SCI Polygraph Clearance

Benefits

Tuition Assistance
Paid Time Off
Medical Insurance
401(k) Match

Full job description

Job Title: Cyber Reverse Engineer

Job Category: Engineering

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local


The Opportunity:

Join our unique team solving wide-ranging national security cyber and hardware challenges. Use your skills in interesting projects involving cyber reverse engineering and vulnerability research. Responsibilities include investigating embedded software/hardware devices, understanding digital communication implementations, and analyzing embedded binaries for protocol vulnerabilities. An ideal candidate can balance multiple projects in a fast-paced, interdisciplinary, R&D environment. The candidate excels at working effectively individually and on a team through their excellent communication skills and technical acumen.

Be part of a CACI department with an expanding range of programs focusing on Cyber Operations, where you get to grow on and between programs with peers who are dedicated to advancing national security. Participate in interesting team events where you get to engage with your co-workers and expand your career network. We have an engaging environment with a management team focused on growing your career and making you a part of our future. We offer bonus compensation plans that demonstrate our appreciation for your dedication to the program and being a part of our team. You'll get paid for cyber events and training, such as our Capture the Flag Events, Internal Research and Development opportunities, as well as prepaid courses to nationally recognized certification courses to grow your career.

Responsibilities:

  • Analyze and reverse engineer software binaries and embedded firmware on traditional and embedded systems to identify functional behavior.

  • Conduct code review and vulnerability analysis on software/firmware to identify potential weaknesses or access vectors.

  • Perform protocol analysis of communication channels.

  • Perform static and dynamic analysis of software and firmware using tools like IDA Pro, Ghidra, x64Dbd, GDB, and Sysinternals to research the behavior of binaries.

  • Perform pattern analysis to identify critical information.

  • Draft and deliver technical reports related to the scope, nature, and characteristics of the assessed software/firmware to both technical and non-technical audiences.

  • Brief the customer and accurately capture in writing the findings of your analysis.

Qualifications:

Required:

  • Active Top Secret clearance with ability to obtain SCI

  • Bachelors of Science degree in Computer Science, Software Engineering, Computer Engineering, or Electrical Engineering.

  • 5+ years of relevant work experience

  • Experience analyzing and reverse engineering Assembly binaries (x86 and/or ARM, AVR)

  • Experience with scripting languages such as Python and Unix Shell scripts

  • Experience using virtualization technologies (VMware, VirtualBox, Docker)

  • Experience using binary analysis tools such as IDA Pro, Ghidra, WinDbg, Binary Ninja

  • Experience reverse engineering embedded firmware images

  • Experience with user/system level emulation tools such as Qemu

Desired:

  • Understanding of software development using C/C++ for Linux and/or Windows OS systems

  • Active TS/SCI or TS/SCI Polygraph clearance

  • Understanding of embedded firmware development for various microcontroller families

  • Understanding of techniques for binary analysis to identify functionality and vulnerabilities in various applications, embedded firmware, systems and communications

  • Understanding of memory management concepts (Heap, Stack, Virtual Memory)

  • Familiarity with encryption & hashing methods and algorithms (3DES, AES, RSA, MD5, SHA, CRC, etc.)

  • Background in ethical hacking and/or testing software vulnerabilities with a working knowledge of hacking tools and techniques such as memory corruption exploits, buffer overflows, rootkits, protocol poisoning, MetaSploit, nmap, etc.

  • Reverse Engineering Certifications (e.g. GIAC Reverse Engineering Malware (GREM) )

  • Cybersecurity certifications (e.g. OSCP, OSED, Security+)

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, you’ll be part of a high-performing group dedicated to our customer’s 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. You’ll 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 nation's 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:

$79,400 - $162,700

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

How this job compares

Set against the 1,697 open Cybersecurity Engineer jobs on Olive Jobs, counted October 31, 2026.

Pay
  • This posting$79–163K/yr
  • Virginia median$120–198K/yr141 salary ranges
  • US median$120–200K/yr1,346 salary ranges

This range's midpoint, $121K, is 23% below the Virginia median midpoint ($158K) — in the lowest quarter of Cybersecurity Engineer salary ranges in Virginia.

Openings
Olive Jobs lists 187 open Cybersecurity Engineer jobs in Virginia and 1,697 across the US. 3% of them nationwide are listed as remote or flexible.
Hiring the most in Virginia
Experience
This posting asks for at least 5 years of experience; Cybersecurity Engineer postings that state a minimum ask for 5 years at the median (1,578 postings).
Education
This posting asks for a bachelor's degree; 560 of the 1,697 open Cybersecurity Engineer jobs (33%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 31, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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