Windows/Linux CNO Developer jobs in United States
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Two Six Technologies · 2 hours ago

Windows/Linux CNO Developer

positionArlington, VA
timeFull-time
remoteOnsite
senioritySenior Level
money$100K/yr - $220K/yr
date6+ years exp

Two Six Technologies is a company that builds, deploys, and implements innovative products to solve complex challenges. They are seeking Windows and Linux CNO developers to support mission-oriented cybersecurity development efforts, focusing on delivering solutions against hard targets in challenging environments.

Cyber SecurityInformation TechnologyNetwork Security
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Support cybersecurity development efforts as part of a smaller team in a SCIF
Manage assigned tasks and provide accurate estimations of completion time
Architect and design software solutions

Qualification

C/C++ programmingPythonCNO developmentOperating SystemsSoftware reverse engineeringNetworking protocolsCryptographyDebugging toolsLow-level OS featuresKernel developmentTeam collaboration

Required

Six plus years of professional software development experience writing in C, C++, and Python
Six plus years of experience working in a CNO development environment
Six plus years of demonstrated in-depth experience developing, testing, and debugging software
Demonstrated in-depth understanding of low-level operating system features and kernel development
Active TS/SCI

Preferred

Software reverse engineering – IDA Pro, Ghidra, disassembly tools
Networking – networking stack, TCP, and UDP protocols
Cryptography – TLS, PKCS
Debugging – GDB, WinDbg, OllyDbg, Valgrind, Visual Studio
Operating Systems - Windows and Linux user and/or kernel space development

Benefits

Medical, dental, and vision insurance
Life and disability insurance
Retirement benefits
Paid leave
Tuition assistance
Professional development

Company

Two Six Technologies

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Two Six Technologies provides cybersecurity and technology solutions for national security customers.
dateFounded in 2017
location
Arlington, Virginia, USA
people-size501-1000 employees
web-link
https://twosixtech.com/

Funding

Current Stage
Late Stage
Total Funding
$54.56M
2026-01-05Series Unknown· $10M
2024-01-30Series Unknown· $2.2M
2023-10-16Series Unknown· $8.73M

Leadership Team

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Bob Kwaja
Chief Financial Officer
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Richard Housley
Chief Scientist, Reverse Engineering
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Recent News

Bizjournals.com Feed (2025-11-12 15:43:17)
Two Six Technologies execs invest $10M as tech contractor eyes more acquisitions
2026-01-11
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Two Six Technologies Celebrates New Facility in Ohio
2025-10-28
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Two Six Technologies Celebrates Office at Coppermine Commons in Herndon, Virginia
2025-09-15
Company data provided by crunchbase