Principal Reverse Engr/Vulnerability Researcher (Onsite)
Nightwing
hackajob is collaborating with Nightwing to connect them with exceptional professionals for this role. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. CODEX (Cyber Offense and Defense Experts) division brings together an elite team of mission-focused industry experts who are well known for their ability to overcome the most advanced technical challenges. The team comprises engineers of multiple disciplines including vulnerability research, reverse engineering, CNO/CNE development, hardware emulation, system engineering, and data analytics. Our engineers do more than just work with cutting-edge technology—they ensure the missions succeed for the customers! CODEX offices span the nation and offer its engineers the ability to advance their careers through mentorship, training, and an expansive technical portfolio that covers every side of cyber. If you want to be part of a collaborative team that supports challenging, meaningful work that is vital to our national security, apply today! Benefits In addition to competitive salaries, CODEX offers excellent benefits for you and your family: competitive medical, dental and vision plans, child, elderly and dependent-care programs, mental health resources, tuition assistance, employee discount programs, 401k matching, flexible work schedules (depending on program), a peer recognition and reward system and performance-based bonuses. We seek a qualified engineer that can perform as a team member on activities involved with vulnerability research, reverse engineering, and tool development for complex systems. Required Skills TS/SCI CI Poly Clearance Required Experience with vulnerability research and/or reverse engineering Experience with any of IDA/Ghidra/BinaryNinja Experience with source management tools Experience with assembly language (x86/64, ARM, PPC, Mips, etc.) Experience leading technical tasks to the required qualifications Experience leading technical teams to the desired qualifications Desired Skills 8 years of RE/VR/CNO experience C/C++/Python Utilizing full system emulation for research and analysis Embedded system analysis Capture the Flag (CTF) experience Fuzzer development Understanding of network protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP, routing protocols, or others) Working knowledge of cyberspace operations Commercial and open source forensic analysis tools Hardware reverse engineering experience Experience creating custom forensic analysis tools Clearance Required Qualified applicants may be subject to a security investigation and must meet minimum qualifications for access to classified information. U.S. Citizenship required. An active TS/SCI clearance and current CI Polygraph. Education Requirement Typically requires:A University Degree or equivalent experience and minimum 8 years prior relevant experience, or An Advanced Degree in a related field and minimum 5 years experience Previously part of a leading Fortune 100 company and headquartered in Dulles, VA; Nightwing became independent in 2024 but continues to support the nation’s most mission impactful initiatives. When we formed Nightwing, we brought a deep set of credentials and an unfaltering commitment to the mission. For over four decades, our team has been providing some of the world’s most technically advanced full-spectrum cyber, data operations, systems integration and intelligence support services to the U.S. government on its most important missions. At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients. Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team. At Nightwing, we value collaboration and teamwork. You’ll have the opportunity to work alongside talented individuals who are passionate about what they do. Together, we’ll leverage our collective expertise to drive innovation, solve complex problems, and deliver exceptional results for our clients. Thank you for considering joining us as we embark on this new journey and shape the future of cybersecurity and intelligence together as part of the Nightwing team. Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.aa415a4b-8b21-40fc-a65c-70d2b25ca29a
$99k - $206k
...operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance,... ...work. Role Type: This position is an onsite role Required Skills: Typically requires... ...Experience with program analysis, reverse engineering, and debugging tools (e.g....Principal- ...data and technology. We are seeking a self‑motivated Senior Vulnerability Researcher who is ready to solve some of the most challenging... ...cyber mission, applying advanced vulnerability research (VR), reverse engineering (RE), and vulnerability exploitation (VE) skills...Suggested
$86.4k - $176.2k
...What You’ll Do Conduct vulnerability research and analysis across Linux, Embedded, and Windows operating systems. Reverse engineer complex binaries using tools such as Ghidra, Binary Ninja, IDA Pro, and debuggers like WinDbg. Perform embedded systems analysis and development...SuggestedFor subcontractorLive inLocal area$77k - $163k
...include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence,... ...vulnerabilities/CVEs/publicly disclosed vulnerabilities History of reverse engineering malware or other code for CNE purpose...Suggested$86.4k - $176.2k
...Accenture Federal Services is looking for a qualified candidate in Herndon, Virginia, to conduct vulnerability research and analysis across multiple operating systems including embedded systems. Ideal candidates will have strong experience in cyber tool testing, in-depth...Suggested$86.3k - $191k
## Vulnerability ResearcherApplylocations: Off Campus - Othertime type: Full timeposted on:... ...searching for a self-motivated Vulnerability Researcher to join our Cyberspace Operations... ...system exploitation* Leverage expertise in reverse engineering, vulnerability research,...Full timeWork experience placementRemote workWork from home- ...delivers when others can’t. We conduct research and development, manage national laboratories... ...Do you enjoy working with discovering vulnerabilities and debugging programs with tools like... ...Does creating automated, scalable and reverse engineering tools and pipelines excite...Work at officeLocal areaRemote workFlexible hours
- ...support this mission, we are seeking a self-motivated Senior Vulnerability Researcher who is ready to solve some of the most challenging... ...role, you will apply advanced vulnerability research (VR), reverse engineering (RE), and vulnerability exploitation (VE) skills...Contract work
$145.6k - $276.8k
...2026-06-25 Country: United States of America Location: US-VA-STERLING-291 ~ 22640 Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance...PrincipalTemporary workWork experience placementRelocation packageFlexible hours$118.3k - $224.9k
...Davis Dr ~ DAVIS Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration... ...security clearance required on day 1 Principal Systems Engineer - (Onsite) At RTX, the... ...-class operations and investments in research and development, we offer capabilities and...PrincipalTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$43.27 - $108.17 per hour
...Description: The candidate will be working independently as a Vulnerability Researcher to identify flaws in software. The candidate must be... ...setting. Strong C, ASM, and Python development experience Reverse engineering utilizing any of IDA, Ghidra, or Binary Ninja...Hourly payContract workFor contractorsLocal areaRemote workRelocation package$118.3k - $224.9k
...Principal Software Engineer – Advanced Simulation & Training Systems (Onsite) Position located in Sterling, VA, within the Strategic Defense Solutions (SDS) business area at Collins Aerospace, a division of RTX. RTX is a leader in aerospace and defense, focused on...PrincipalFull timeRelocation package- ...infrastructure. Our teams lead advanced vulnerability analysis and develop tailored cyber... ...highly skilled Mobile Vulnerability Researcher to support advanced mobile-focused research... .... This includes deep technical work in reverse engineering, vulnerability discovery,...
$99k - $225k
...an advanced data scientist and researcher on our National Security team,... ...at conferences. Whether you’re reverse engineering a model, discovering model vulnerabilities or improving national defense,... ...from or visit a customer facility.Onsite : If this position is listed as...Full timeContract workPart timeWork at officeLocal areaRemote work- ...operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance,... ...including vulnerability research, reverse engineering, CNO/CNE development, hardware... ...security, apply today! Senior Principal Cyber Engineer Cyber Offense and Defense...PrincipalRelocationRelocation package
- ...Collins Aerospace, an RTX company, seeks a Software Engineer in Sterling, VA, onsite, to lead simulation software efforts and collaborate with systems engineers. Active secret clearance required. A STEM degree and 10+ years of experience are typical, with strong exposure...PrincipalFull time
$99k - $206k
...operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance,... ..., civil, and commercial markets. Principal Cyber Engineer Nightwing provides technically... ...including vulnerability research, reverse engineering, CNO/CNE development,...PrincipalFull timeRelocationRelocation package$75k - $90k
Senior Scientist (Forensic/Analytical Chemist) - CBP (Onsite) Location: Sterling, VA Clearance: Active Secret Clearance or ability to obtain Salary range: $75,000 - $90,000 The Senior Scientist will support a 24/7 watch floor operation. There may be shift work and work...Work experience placementFlexible hoursShift work- ...Everfox Holdings LLC is seeking a Senior Principal Solutions Architect in Herndon, VA. This individual will lead enterprise architecture strategy, collaborating with executive leadership to innovate and align solutions with customer needs. You will define standards, influence...PrincipalFull time
- ...innovation, deep expertise, and cutting‑edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in... ...digital landscape. POSITION OVERVIEW Position: Principal Cyber Solutions Architect Job Type: Full Time Location:...PrincipalFull timeTemporary workRemote workFlexible hours
$172k - $349k
...This role has been designed as “Onsite” with an expectation that you will primarily work from an HPE office. Who We Are Hewlett... ...decisions from a security perspective. Manage the Vulnerability backlog, response and remediation plan for the entire product....PrincipalFull timeWork at officeLocal area- ...Job Description SOFTWARE ENGINEER SR PRINCIPAL GDIT is seeking a Principal Software... ...testing, maintenance and participate in research of an operational big data system. The Senior... ...offer. The work must be performed onsite (no remote work). WHAT YOU’LL NEED...PrincipalWork experience placementRemote work
- ...technologies for organizations worldwide. We seek a seasoned Principal Program Manager to lead regulatory compliance in U.S.... ...environments. * Oversee continuous monitoring, patch mitigation, and vulnerability adjudication. * Strategically expand compliance operations...PrincipalFull timeWorldwideFlexible hours
$185.1k - $273.2k
...Job Title Senior Principal Solutions Architect Location Herndon, VA (Hybrid) Position Summary The Senior Principal Solutions Architect is an enterprise-level technical leader responsible for shaping Everfox’s architectural strategy across multiple products...PrincipalLocal areaFlexible hoursShift work$95.5k - $181.7k
...22330 Glenn Dr ~ GLENN (External Site) Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements... ...leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else...Full timeContract workTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours- The Drug Enforcement Administration seeks reemployed annuitants to support its mission as a Criminal Investigator (Reemployed Annuitants). The role emphasizes leading investigations, coordinating with teams of agents, and applying rigorous investigative techniques in narcotics...Principal
$144.1k - $192.1k
...Principal FPGA Engineer - Onsite position Curtiss-Wright is seeking an experienced Principal FPGA Engineer to join our engineering team in Ashburn, VA. In this senior, hands-on role, you will lead the design and development of FPGA-based solutions for DoD and other...Principal- ...Collins Aerospace is looking for a Principal Software Engineer to join their team in Sterling, VA. This position focuses on the design, implementation, and testing of complex multi-platform training device software, requiring strong C++ skills and leadership. The role...PrincipalFull time
- ...mentor engineers, and collaborate with cross‑functional teams. The role requires advanced degrees and extensive experience in security-focused software design, with a track record of delivering complex systems. Onsite work is expected at an HPE office. #J-18808-LjbffrFull timeWork at office
- ...Everfox Holdings LLC is seeking a Principal Cyber Engineer to work onsite in Vienna, VA. The successful candidate will tackle complex cybersecurity challenges for U.S. Government clients, leveraging extensive experience in Linux, networking, and enterprise solutions....Full time
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