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CNO Developer

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: ring0
Full Time position
Listed on 2026-05-30
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Job Description

Ring0 Technologies ("Ring Zero") is hiring a CNO Developer with experience in Windows kernel vulnerability research. The developer will be working supporting CNO development of Cyber solutions to real-world problems. We are looking for someone who is passionate about Cybersecurity who can think "outside the box" to solve challenging problems. In this position you will be able to leverage your knowledge of OS security features, Reverse Engineering, Vulnerability Analysis, Networking, Firmware, and Windows Internals

Required Skills
  • 5+ years, performing Software Development and writing in software languages such as: C, C++, Python
  • Software development and Windows kernel vulnerability research experience including design, implementation, testing, analysis and debugging supporting Cyber/CNO/R&D.
  • (Windows kernel vulnerability research experience is required)
  • Demonstrated in-depth experience in tool development and operating system architecture of the Windows platform
  • Experience using Visual Studio IDE, Windows SDK, and Windows DDK, WInDBG or equivalent
  • Demonstrated in-depth understanding of network protocols and data flows
Desired Skills
  • Experience in reverse engineering in various architectures (i.e. x86, ARM)
  • Demonstrated in-depth understanding of low level operating systems development and API(s)
  • Experience with writing effective OS level code and extensions (such as device drivers for networking, storage, audio, video, etc.)
  • Demonstrated experience performing Software Configuration Management
  • Demonstrated experience writing unit test when developing new software and fixing bugs
Employee Benefits

MEDICAL

Ring0 offers our employees and their families the Highest-Level Anthem Blue Cross Blue Shield packages...including the Gold & Platinum Plans.

Ring0 offers high quality Individual and Family Dental Insurance (Delta Dental)

Ring0 offers both individual and Family Vision (VSP) insurance

Ring0 pays 100% of the premiums for Short and Long-Term Disability Insurance, Group Life Insurance, and Accidental Death & Dismemberment (AD&D) Insurance for all of our employees

Ring0 has no vesting requirements. The 401(k) Plan includes the max allowable non-taxable employer matching contribution and a wide variety of investment options

These distributions are paid out on a PER-PAYROLL basis, so our employees realize maximum compounded interest for their retirement savings plan.

Family and work-life balance is extremely important to us. Therefore, our time-off plan includes Paid Time Off/Vacation, Flex Time, and Floating/Banked Holidays!

We highly encourage and support our employees to pursue advanced degrees through our tuition reimbursement program to further their professional careers. Therefore, Ring0 offers the max allowable non-taxable employer contribution for tuition assistance

Personal and professional improvement is critical to our employee’s career growth and support to our Sponsors’ missions. We fully support our employees attending training and technical conferences

Employees and non-employees are eligible for referral bonuses

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