Vulnerability Researcher/ CNO Developer II (Onsite)

Nightwing Intelligence Solutions, LLC; San Antonio (TX); On-site; USD 120,000 - 170,000; Full time

Job summary

Nightwing Intelligence Solutions, LLC seeks a Vulnerability Researcher to analyze systems, write Python to audit C/C++ code, and work with teams to defeat new security threats. A TS/SCI clearance and strong background in C/C++ are required.

Candidates should have BS/MS in a technical field and hands-on experience with OS internals, assembly, and reverse engineering tools such as IDA Pro, Ghidra, and Binary Ninja. U.S. citizenship preferred.

Qualifications

• BS/MS in a technical discipline or equivalent work experience.
• TS/SCI clearance required.
• 2+ years experience with C or C++.
• Experience reading or writing assembly.
• Experience using reverse engineering tools.

Responsibilities

• Analyze systems to understand how they work and how they behave when they break.
• Work in small teams with close coordination with customers.
• Write Python to audit a piece of C++ code.
• Develop and defeat new and advanced security techniques.

Skills

C/C++ programming

OS internals

Assembly language

Embedded systems

Network protocols

Reverse engineering

Education

BS/MS in technical discipline

Tools

IDA Pro

Hex-Rays

Ghidra

Binary Ninja

objdump

GDB

WinDbg

OllyDbg

Job description

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. 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.

Vulnerability Researchers at NightWing CODEX analyze systems to understand how they work and how they behave when they break. Candidates must be able to play both sides of the fence, both developing and defeating new and advanced security techniques. Projects are undertaken in small teams with close coordination with customers. All our engineers write code, but many of our engineers spend as much time taking systems apart as building new ones. A typical day can involve studying disassembly or writing Python to audit a piece of C++ code.

Required Skills TS/SCI Clearance Required Experience with C or C++ 2+ years of experience 3 or more of the following desired skills Desired Skills Understanding of OS Internals (any major OS) Experience reading or writing assembly (x86, x64, ARM, PPC, MIPS, SPARC, 68k, or others) Experience developing embedded systems Understanding of network protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP, routing protocols, or others). Understanding of exploit mitigations such as DEP and ASLR Experience using reverse engineering tools such as IDA Pro, HexRays, Ghidra, Binary Ninja, or objdump. Experience using debuggers such as gdb, WinDbg, OllyDbg Experience building and using tools to find, exploit, and productize vulnerabilities in complex software systems

Security Clearance Qualified applicants may be subject to a security investigation and must meet minimum qualifications for access to classified information. U.S. Citizenship is required. Qualified applicants must meet the requirements to obtain and maintain a government security clearance.

Education Required BS/MS in technical discipline or Equivalent work experience will be considered.

Employee Referral Award Eligibility: This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award.

#CDXSATX 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.

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.