Senior Software Engineer: Build High-Impact Systems

CNSS • National Security Systems; Glen Burnie (MD); On-site; USD 105,000 - 193,000; Full time

Job summary

CNSS • National Security Systems seeks experienced Software Engineers to advance high-impact, security‑critical systems across diverse tech stacks, including COBOL, C/C++, Java, Python, and cloud platforms. You will contribute to secure, scalable software with modern CI/CD practices in a fast-paced environment.

Minimum qualifications require a CS concentration and relevant software development experience. NSA‑level demands include rigorous engineering standards and collaboration across

Qualifications

• Degree in CS or Software Engineering with foundational CS coursework.
• Experience across the software development lifecycle (requirements, design, implementation, testing, deployment).
• Entry to senior levels based on education and experience.

Responsibilities

• Develop high-impact software for NSA systems and teams.
• Work across COBOL, C/C++, Java, cloud, Python, and modern DevOps tools.
• Contribute to secure, reliable, and scalable systems.

Skills

Advanced mathematics

Data structures

Algorithms

Computer architecture

C/C++

Python

Java

Cryptography

TLS/SSL security

HSMs and secure computing

SIEM/IDS security tools

Teamwork

Leadership

Interpersonal skills

Intelligence Community experience

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Docker

AWS

GitLab

Databases

Kubernetes

CI/CD

Elasticsearch

Job description

CNSS • National Security Systems seeks experienced Software Engineers to advance high-impact, security‑critical systems across diverse tech stacks, including COBOL, C/C++, Java, Python, and cloud platforms. You will contribute to secure, scalable software with modern CI/CD practices in a fast-paced environment.

Minimum qualifications require a CS concentration and relevant software development experience. NSA‑level demands include rigorous engineering standards and collaboration across