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MANTECH

Senior CNO Software Engineer

16 days ago by MANTECH
  • Salary negotiable
  • Aurora, CO, US
  • Full-time
Typical response: within 5 days Secure 1-click apply No spam — we never sell your data
AI summary

Senior CNO Software Engineer role with MANTECH (government/defense contractor) in Aurora, CO, building advanced Computer Network Operations capabilities supporting national security missions. You'll design, develop, test, and debug low-level software/hardware-backed capabilities, working closely with a mission-focused engineering team. Standout requirement/perk: must hold an active TS/SCI with Polygraph and be able to obtain another polygraph if needed.

Key skills
PythonC/C++TCP/IP networking protocolsSocket-level programmingLow-level system internals (Windows/Unix/Mobile/network devices)Troubleshooting and debugging complex systemsDeveloping CNO capabilitiesAssembly languageReverse engineering / software analysisAtlassian tools (JIRA, Confluence, Crucible)
Salary not listed — comparable Senior CNO Software Engineer roles in Aurora/Denver with TS/SCI + poly typically pay about $170k–$230k base (often higher with total compensation).
You'll thrive here if you’re a highly technical engineer who enjoys deep low-level systems work, building and leading CNO solutions, and supporting high-stakes national security missions in a cleared onsite environment.
Why apply
  • Build advanced CNO capabilities
  • Directly support national security missions
  • Collaborative environment solving complex challenges

MANTECH seeks a highly technical and mission-focused Senior CNO Software Engineer to join our team in Aurora, CO.

In this role, you will develop advanced CNO capabilities that directly support national security. You’ll work in a collaborative environment focused on solving complex technical challenges in support of our customer’s most critical missions.

Responsibilities include but are not limited to:

  • Design and develop new hardware- or software-based CNO capabilities
  • Manage the design, development, documentation, testing, and debugging of applications software and systems
  • Apply expert knowledge of security concepts and network technologies
  • Develop data queries for existing or proposed databases or data repositories
  • Develop or implement algorithms to meet or exceed system performance and functional standards

Minimum Qualifications:

  • BS Degree in a technical discipline and 14+ years of technical work experience or High School Diploma and 18+ years of technical work experience
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging complex systems
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience with leading the development of technical CNO solutions

Preferred Qualifications:

  • Experience with programming in assembly languages
  • Experience in software analysis or reverse engineering
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
Reference: 22541_62747·Original posting
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