Title: Virtualization-Savvy CNO Developer
Location: Annapolis Junction, MD
Compensation Range: $180 -$200K
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *


Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

Overview:
We are seeking a highly motivated and technically skilled CNO Developer to join our Virtualization Team supporting mission-critical cyber operations. The ideal candidate will have a strong foundation in low-level systems programming, embedded development, and Windows internals, with a passion for solving complex technical challenges in secure and virtualized environments.

Core Tasks:

• Develop and maintain low-level software in C, targeting Windows platforms and embedded systems.
• Apply deep understanding of Windows internals to support the development of stealthy and resilient capabilities.
• Implement and optimize memory management techniques for performance and stability in constrained environments.
• Analyze and implement network protocols, including secure communication layers such as SSL/TLS.
• Perform reverse engineering and debugging of binaries to identify issues, understand behavior, and enhance functionality.
• Collaborate with team members to integrate capabilities into virtualized environments and support mission deployment.
• Participate in code reviews, documentation, and technical discussions to ensure high-quality deliverables.

Desired Skills:

• Experience with Python for scripting, automation, or rapid prototyping.
• Familiarity with virtualization technologies (e.g., VMware, Hyper-V, KVM).
• Exposure to malware analysis, exploit development, or CNO toolchains.

Qualifications:

• Minimum 3 years of experience in CNO-related work.
• Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity