Haystack
← Back to Jobs
Employee
Technology
MA

CNO Developer with Security Clearance

MANTECHAnnapolis Junction, MD🇺🇸United StatesPosted Oct 11, 2026

Why This Role Stands Out

Leverage your CNO development expertise to create cutting-edge cyber capabilities that directly impact national security, with opportunities for significant career growth within a reputable organization. This hybrid role is ideal for a mission-focused developer with strong Python or C/C++ skills and a TS/SCI w/Polygraph clearance seeking a dynamic and impactful career. Apply now to join a team dedicated to advancing cyber defense and innovation.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Annapolis Junction, MD, United States
Posted
23 hours ago
TCP/IPAssemblyConfluenceC++JiraPython

Job Description

ManTech seeks a motivated, career and customer-oriented CNO Developer to join our team in Annapolis Junction, MD. Responsibilities include, but are not limited to:

  • Leads the designing, developing, documenting, testing, debugging and maintenance of hardware or software based CNO capabilities.
  • Ensure effective communication coordination and transparency with leadership and customers.
  • Responsible for ensuring software standards meet network and security requirements.
  • A SME that supervises and mentors subordinate project and ICON Innovation Collaborative (IIC) staff.

Minimum Qualifications

  • Bachelor's Degree and 12+yrs experience OR High School and 16+ yrs experience OR Associates and 14+ yrs OR experience OR Master's and 10+ yrs experience OR PhD and 8+ yrs experience.
  • Proficiency in Python and C/C++ programming.
  • Proficiency in low-level internals in one or more technology areas (e.g., Windows, Unix, Mobile, Network devices).
  • Proficiency with networking (TCP/IP) and socket level programming.

Preferred Qualifications

  • CNO capability development experience. Software Analysis/Reverse Engineering experience.
  • Understanding of assembly programming concepts.
  • Unit Test experience.
  • Experience using Atlassian products (JIRA, Confluence, Crucible).
  • Relevant industry standard certifications such as Certified Entry-Level Python Programmer (PCEP) or C++ Certified Professional Programmer Certification (CPP).
  • Experience with CI/CD pipeline/DevSecOps development.

Clearance Requirements

  • Active TS/SCI security clearance with current polygraph is required.

Physical Requirements

  • Must be able to be in a stationary position more than 50% of the time.
  • Must be able to communicate, converse, and exchange information with peers and senior personnel.
  • Constantly operates a computer and other office productivity machinery, such as a computer.

Similar jobs