The professionals at the National Security Agency (NSA) have one common goal: to protect our nation. The mission requires a strong offense and a steadfast defense. The offense collects, processes and disseminates intelligence information derived from foreign signals for intelligence and counterintelligence purposes. The defense prevents adversaries from gaining access to sensitive classified national security information.The need to maintain our core Computer Science group is vital to provide the technical capabilities necessary to successfully execute NSA's mission. The increased complexity of supporting NSA's mission requires world class researchers, programmers, and developers who operate in teams in areas such as software engineering, information technology infrastructure, high performance computing, data science, architectures, computer security, and networking in order to design and develop advanced tools, techniques, and systems.

Operational Computer Systems Analyst at the NSA play a vital role in providing computer support to achieve core NSA mission objectives by actively managing the functioning enterprise computer systems. As an Operational Computer Systems Analyst at NSA, responsibilities may include:

- planning and coordinating the installation, testing, operating, troubleshooting, and maintenance of hardware and software systems
- monitoring and maintaining computer system or network hardware or software applications
- applying and managing the software designed to update or fix problems with a computer program or its supporting data
- responding to customer requests for assistance, information, products or services
- resolving customer concerns, problems, and complaints