SixGen, Inc.

SixGen, Inc.

CNO Software Engineer (TS/SCI w/ Poly)

Annapolis Junction, MD · Director · Full-time

No sponsorship$250k-$300kDetected 19 hours ago
TypeScriptPythonC++LinuxHREmbedded SystemsTCP/IPResearchLeadershipCommunicationCollaborationProblem Solving

About the role

  • We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape.
  • This role sits at the intersection of software development, reverse engineering, vulnerability research, and advanced cybersecurity engineering.
  • The anticipated salary range for this role is $250,000 - $300,000 per year, depending on experience and qualifications.

Responsibilities

  • Design, develop, and maintain modular software capabilities supporting mission objectives.
  • Develop solutions using C/C++, Python, Assembly, and related technologies.
  • Perform reverse engineering and vulnerability research across Windows, Linux, and embedded systems.
  • Utilize tools such as Ghidra and IDA Pro to support research and development efforts.
  • Develop and enhance capabilities supporting cybersecurity research and mission-focused technical objectives.
  • Research and implement advanced technical solutions within complex operating environments.
  • Collaborate with fellow engineers, researchers, and technical teams to support mission objectives.
  • You will work alongside a seasoned team of engineers developing modular capabilities that integrate into large-scale technical frameworks supporting national security missions.

Requirements

  • Active TS/SCI with Polygraph required
  • 7+ years of experience in software development, reverse engineering, vulnerability research, cybersecurity engineering, or related disciplines.
  • Strong proficiency in C/C++ and Python.
  • Experience with Assembly language and low-level software development.
  • Experience using reverse engineering tools such as Ghidra or IDA Pro.
  • Strong understanding of Windows and Linux operating system internals.
  • Strong understanding of network protocols and communications.
  • Experience conducting reverse engineering and vulnerability research.
  • Knowledge of common cybersecurity research and software development methodologies.
  • Strong analytical, problem-solving, and technical communication skills.

Nice to have

  • Experience with embedded systems research, including ARM and MIPS architectures.
  • Familiarity with persistence mechanisms and advanced system internals.
  • Experience supporting federal, intelligence community, or national security missions.
  • Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position.
  • 401K with a 4% employer contribution
  • For more information, please reach out to our Director of Human Resources, Amy Maxwell at amy.maxwell@sixgen.io.

Compensation

  • At SIXGEN, we are committed to fair and equitable compensation practices.
  • Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position.
  • The anticipated salary range for this role is $250,000 - $300,000 per year, depending on experience and qualifications.

Benefits

  • Employer-paid health insurance premiums (medical, dental, vision) for you and your family
  • Employer-paid short/long term disability insurance and basic life/AD&D insurance
  • Professional development reimbursement options available (training, certification, education, etc)​
  • Flexible PTO and holiday schedule
  • Additionally, SIXGEN offers top-tier benefits for full-time employees, including:
  • Flexible and remote work policies for most positions

Company info

  • We are seeking a skilled and motivated CNO Engineer to join our cybersecurity research and development team supporting mission-critical federal programs.
  • SIXGEN's mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats.
  • At SIXGEN, we are committed to fair and equitable compensation practices.

Equal opportunity

  • SIXGEN is an Equal Opportunity Employer.

This listing is sourced directly from SixGen, Inc.'s careers page and normalized into a canonical job model.