Cyber Operations Capabilities Developer; TS​/SCI

Vantor is seeking an experienced Cyber Operations Capabilities Developer to build advanced offensive cyber tooling in support of mission‑critical operations. This role is focused on developing low‑level, high‑performance capabilities used in real‑world environments.

This is a highly technical position suited for engineers with deep hands‑on experience in systems programming, reverse engineering, and offensive capability development. Candidates should be comfortable working across the full lifecycle—from research and development to operational deployment.

• Develop and maintain cyber capabilities using C and Python
• Design modular, scalable tooling for operational use
• Perform cross‑compilation across multiple architectures and platforms
• Conduct reverse engineering and low‑level system analysis
• Contribute to vulnerability research and exploit development
• Build and integrate implants and tooling with C2 frameworks
• Collaborate with operators to iterate on mission‑driven requirements
• Maintain clean, version‑controlled codebases and reproducible builds

• Active TS/SCI clearance
• Bachelor’s degree in a technical discipline
• Minimum of 5 years experience
• Strong, recent experience with:
  • C (systems‑level programming)
  • Python (tooling, scripting, automation)
• Proficiency with Git and modern development practices
• Hands‑on experience in several of the following areas:
  • Cross‑compilation for diverse targets
  • Reverse engineering (e.g.,
    GDB, IDA Pro, Ghidra
    )
  • Vulnerability research or exploit development
  • Development of modular implants or payload frameworks
  • Process injection or similar low‑level techniques
  • Command and Control (C2) systems (e.g.,
    Mythic, Cobalt Strike, Vermilion Strike
    )
  • Network stack programming (sockets, protocols, TCP/IP)

• 8 years experience
• Strong background in
  * nix environments (Linux preferred)
• Windows expertise will be considered with equivalent depth
• Demonstrated experience building complex offensive tooling end‑to‑end
  • Highly desirable: experience developing and cross compiling a full Remote Access Tool (RAT)
• Familiarity with secure coding practices and testing methodologies
• Must be willing to work on‑site in Annapolis Junction, MD.

• Experience with:
  • Mbed TLS
  • CMocka
  • Prompt Toolkit
  • Click
  • Poetry

Salary range: $92,000.00 - $ annually.

We offer a comprehensive package of benefits including paid time off, health and welfare insurance, and 401(k) to eligible employees.

Vantor values diversity in the workplace and is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.