CNO Developer

Job Description

Parsons is looking for an amazingly talented CNO Developer with an interest in Reverse Engineering to join our team! In this role you will get to work on fascinating projects with some of the best professionals in the industry, exploring the boundaries of vulnerability research.

• Productize proof‑of‑concepts that showcase the impact of vulnerabilities for customer mission needs.
• Use reverse engineering skills to delve into the additional inner workings of various systems and software to uncover security vulnerabilities.
• Collaborate with cross‑functional teams to ensure products are effective.
• Propose and develop tooling that will increase the efficiency and efficacy of the team.

• Bachelor's Degree in Computer Science or a related technical field or equivalent experience.
• 5+ years of related professional experience in CNO, CNE or research‑based engineering.
• Experience working with CI/CD pipelines and code repositories (e.g. Git Lab, Bitbucket).
• Active TS SCI; must be able to obtain Poly.
• Experience working with development frameworks for C, C++ and Python (e.g. Metasploit).
• Proficiency in programming languages such as C, Python, and Assembly.
• Strong understanding of low‑level systems, software design, and security practices.
• Experience with debuggers/disassemblers (e.g. GDB, Ghidra, Binary Ninja) and common hacker toolsets (e.g. Kali Linux, Metasploit).
• Excellent communication and collaboration skills.
• Ability to work independently and as part of a team.

• Deep understanding and experience with more than one CPU architecture.
• Proven history of creating tooling and technical infrastructure that has enabled CNO development of exploits and payloads.
• Knowledge of the internals of one or more RTOSs.
• Experience interacting with OSI Model with low‑level languages.

An active Top Secret SCI security clearance is required for this position. The selected candidate must be able to obtain a Top Secret SCI with polygraph clearance prior to the start date.

Salary Range: $ – $

Benefits include:

• Medical, dental, and vision coverage.
• Paid time off.
• 401(k) plan.
• Life insurance.
• Flexible work schedules.
• Company holidays.

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.