Cyber Operations Capabilities Developer (TS/SCI)

Vantor Inc.; Corridor North (MD); On-site; USD 92,000 - 195,000; Full time

Job summary

Vantor Inc. is seeking an experienced Cyber Operations Capabilities Developer to build advanced offensive cyber tooling for mission‑critical operations.

You will work across the full lifecycle from R&D to deployment, developing high‑performance C and Python tooling, and integrating implants with C2 frameworks. Ideal candidates have deep hands‑on experience in systems programming, reverse engineering, and offensive capability development, and are willing to work on‑site in Annapolis Junction, MD.

Qualifications

• Active TS/SCI clearance required.
• Bachelor’s degree in a technical discipline.
• Minimum of 5 years experience in relevant field.
• Strong C (systems‑level programming) and Python tooling experience.

Responsibilities

• 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.

Skills

TS/SCI clearance

5+ years experience

C programming

Python scripting

Git

Reverse engineering

GDB

IDA Pro

Ghidra

C2 frameworks

Exploit development

Vulnerability research

Cross-compilation

Sockets / TCP-IP

RAT development

Education

Bachelor’s degree in a technical discipline

Tools

Git tooling

Linux

IDEs/Debugging tools

Job description

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.

What You’ll Do

• 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

Required Qualifications

• 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)

Preferred Experience

• 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.

Nice to Have

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

In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate's starting pay will fall within the salary range provided below and is determined based on job‑related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions.

The base pay for this position ranges from our lowest geographic market up to our highest geographic market within California, Colorado, District of Columbia, Hawaii, Illinois, Maryland, Minnesota, New Jersey, New York, and Washington: $92,000.00 - $195,000.00 annually.

We offer a comprehensive package of benefits including paid time off, health and welfare insurance, and 401(k) to eligible employees. You can find more information on our benefits at https://www.vantor.com/careers

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.