Junior CNO Software Engineer: Build Cyber Defense Tools

Adaptic LLC; Annapolis (MD); On-site; USD 120,000 - 160,000; Full time

Job summary

Adaptic LLC in Annapolis, MD, is seeking an entry to mid-level CNO Software Engineer to build and sustain cyber tools for DoD and Intelligence Community. You will develop, test, and maintain software systems, collaborate with cross-disciplinary teams, and contribute to mission-focused capabilities from day one.

Ideal candidates have TS/SCI with polygraph, a CS degree or equivalent, and strong skills in C/C++, Python, Java, with Git and CI/CD.

Qualifications

• Active TS/SCI with polygraph.
• Bachelor’s degree or equivalent with four years of software engineering experience.
• Experience developing in C/C++, Python, and/or Java.
• Familiarity with Git and CI/CD workflows.
• Understanding of software development, debugging, and testing.

Responsibilities

• Developing, maintaining, and enhancing software systems based on documented requirements.
• Collaborating with Red, Blue, and Hunt teams to support cyber tool development and mission needs.
• Assisting in troubleshooting software issues, debugging code, and resolving defects.
• Supporting development of tools used for vulnerability analysis, malware detection, and network defense.
• Participating in testing and validation to ensure software meets design and mission requirements.
• Contributing to CI/CD pipelines and modern development workflows.
• Working with data such as logs, binaries, and network traffic to support analysis and tool functionality.
• Providing input to system and software design, including component‑level development and integration.
• Supporting rapid‑response efforts to address emerging cyber threats.

Skills

C/C++

Python

Java

Git

CI/CD

Debugging

Education

Bachelor’s degree in Computer Science or related discipline

Job description

Adaptic LLC in Annapolis, MD, is seeking an entry to mid-level CNO Software Engineer to build and sustain cyber tools for DoD and Intelligence Community. You will develop, test, and maintain software systems, collaborate with cross-disciplinary teams, and contribute to mission-focused capabilities from day one.

Ideal candidates have TS/SCI with polygraph, a CS degree or equivalent, and strong skills in C/C++, Python, Java, with Git and CI/CD.