Sr CNO Software Developer

Ring0 Technologies, Inc.
San Antonio, TX
Sr CNO Software Developer Location San Antonio, TX :

Sr CNO Developer (Onsite)

Location: San Antonio, TX

Clearance: TS SCI w/Poly

Ring0 Technologies (“Ring Zero”) is hiring an advanced CNO Developer who is passionate about cyber security. This engineer will be integrated into a cutting-edge cyber security team and will be thrust into performing in the most challenging computer environments.

Security Requirement: US Citizen with a Top Secret/SCI Clearance w/Poly

Responsibilities include, but are not limited to:

  • As an Sr CNO Developer, you will work in an Agile environment and leverage your skills in Research, Software Engineering and Networking to solve complex technical problems and develop impactful mission tools.
  • In this role, you will be a contributing member of a small multi-disciplinary team that researches platforms and implements solutions in C, C++, and Assembly.
  • You will also be responsible for supporting unit, component, and system test activities as well as contribute to readiness reviews and product release cycles.
  • You must be able to effectively communicate with the technical team, management, and the customer to keep them informed of progress, plans and potential issues.

Basic Qualifications:

  • Bachelor's Degree or equivalent in Computer Science or Engineering AND 7+ years of relevant experience.
  • Experience in system level programming or developing for embedded systems.
  • Development experience using C/C++ for x86, PowerPC, MIPS, or ARM.
  • Experience in network programming.
  • Experience reverse engineering using Ghidra, IDA Pro, or Binary Ninja.
  • Familiarity with basic VLAN/VPN/NAT concepts.
  • Familiarity using signal analysis tools such as Wireshark.
  • Scripting experience using Python, Ruby, or JavaScript.
  • Comfortable developing in the Linux operating system.

Preferred Qualifications:

  • Experience working in an Agile environment utilizing the Atlassian suite.
  • Experience with Real-Time Operating Systems such as VxWorks, Integrity, eCos or POSIX compliant Operating Systems such as Solaris or BSD.
  • Familiarity with SVN or GIT version control systems along with an understanding of basic Configuration Management principles.
  • Experience with network test equipment such as Spirent/Ixia/Xena packet testers.

Job Type: Full-time

Pay: $180,000.00 - $225,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee assistance program
  • Health insurance
  • Life insurance
  • Paid time off
  • Parental leave
  • Relocation assistance
  • Tuition reimbursement
  • Vision insurance

Experience level:

  • 7 years

Schedule:

  • 8 hour shift
  • Monday to Friday

Experience:

  • python: 3 years (Required)
  • C++ or C: 3 years (Required)
  • OS Kernels: 1 year (Required)
  • Assembly: 1 year (Preferred)
  • device drivers: 1 year (Preferred)
  • Visual Studio: 1 year (Preferred)
  • Debugging: 1 year (Required)

Security clearance:

  • Top Secret (Required)

Ability to Relocate:

  • San Antonio, TX: Relocate before starting work (Required)

Work Location: In person

Posted 2025-11-21

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