Software Engineer – Build Impactful Cloud Systems

CNSS • National Security Systems; Mount Horeb (WI); On-site; USD 105,000 - 193,000; Full time

Job summary

CNSS • National Security Systems is seeking experienced Software Engineers to advance high-impact systems across diverse tech stacks. You will engage with COBOL, C/C++, Java, cloud services, containers, and CI/CD in a security-minded environment.

The role emphasizes strong problem solving, collaboration, and continuous learning within the NSA mission context. A CS concentration degree is required; security clearances and role-specific qualifications apply.

Qualifications

• Degree must be in Computer Science (CS) or Software Engineering with foundational CS coursework.
• Relevant experience in software development lifecycle and programming.
• Entry to senior levels based on education/experience combined with security focus.

Responsibilities

• Work on high-impact systems across diverse technology stacks.
• Contribute to full software lifecycle from design to deployment/maintenance.
• Collaborate with teams across NSA mission areas to deliver secure solutions.

Skills

Mathematics

Data structures

Algorithms

Operating systems

Computer architecture

C/C++

Python

Java

Cryptography

TLS/SSL

Security platforms

HSMs

SIEM/IDS

Security standards

Teamwork

Leadership

Interpersonal skills

Intelligence Community experience

Education

Bachelor's degree in Computer Science or Software Engineering

Master's or Doctoral degree

Associate's degree + 5 years relevant experience

Tools

Docker

AWS

GitLab

Relational databases

Non-relational databases

IBM mainframe (preferred)

Security libraries

Job description

CNSS • National Security Systems is seeking experienced Software Engineers to advance high-impact systems across diverse tech stacks. You will engage with COBOL, C/C++, Java, cloud services, containers, and CI/CD in a security-minded environment.

The role emphasizes strong problem solving, collaboration, and continuous learning within the NSA mission context. A CS concentration degree is required; security clearances and role-specific qualifications apply.