Senior Vulnerability Researcher / CNO Developer

Salary: $108,000 - 148,000 per year Requirements: We require an active, transferable U.S. government-issued TS/SCI security clearance before the start date. We look for experience with C or C++. We require a BS/MS in a technical discipline, or equivalent practical experience. We look for familiarity with at least 4 of the desired skills listed below. We value understanding of operating system internals across any major platform. We value experience reading or writing assembly language, such as x86, x64, ARM, PPC, MIPS, SPARC, or 68k. We value experience developing embedded systems. We value understanding of network protocols, including TCP/IP stacks, wire-level protocols, RF communications, BGP, routing protocols, or similar. We value understanding of exploit mitigations such as DEP and ASLR. We value experience with reverse engineering tools such as IDA Pro, Hex-Rays, Ghidra, Binary Ninja, or objdump. We value experience with debuggers such as gdb, WinDbg, or OllyDbg. We value experience building and using tools to identify, exploit, and productize vulnerabilities in complex software systems. Responsibilities: We analyze systems to understand how they work and how they behave when they fail. We develop and defeat new and advanced security techniques. We work in small teams with close coordination with customers. We write code as part of our engineering work. We spend time disassembling systems and building new ones. We may study disassembly or write Python to audit C++ code. Technologies: ARM Embedded Support Network Python Security TCP/IP C++ More: hackajob is working with Nightwing to connect exceptional professionals with this role. Nightwing provides advanced full-spectrum cyber, data operations, systems integration, and intelligence mission support services for demanding customer challenges across the intelligence community, defense, civil, and commercial markets. Built on more than four decades of mission support experience, we combine disruptive technologies, agility, and competitive offerings. This onsite Vulnerability Researcher position is part of NightWing CODEX, based in Dulles, VA, and comes with a total rewards package that includes compensation, healthcare, wellness, retirement, work/life benefits, career development, recognition programs, parental leave, flexible schedules, achievement awards, educational assistance, and child/adult backup care. We became independent in 2024 and continue to support mission-critical national initiatives, with a strong emphasis on collaboration, teamwork, and innovation. last updated 36 week of 2026