System Security Engineers are an invaluable part of the Cybersecurity team.
About SSEs
The Cybersecurity team role that will be discussed is the System Security Engineer. A System Security Engineer, whether an individual or multiple people, is tasked with carrying out system security engineering activities and developing organizational systems (Nieles et al., 2017). As security is a focal point, they upgrade legacy systems to protect against threats. This is important because, as their name implies, legacy systems are no longer receiving updates; there has been plenty of time for bad actors to study the system and its weaknesses. Implementing security measures and developing risk identification and management procedures are also responsibilities of the SSE (Defense Acquisition University, n.d.). Outside of systems, there are a number of things an SSE must be able to do. This role requires the ability to understand complex technical issues, document security certification, analyze security trends, conduct role-related research, and collaborate with vendors to maintain their security (Robert Half Agency, 2025).
The Importance of SSEs
System Security Engineers are an important part of the cybersecurity team, regularly interacting with roles such as information security architects, senior agency information security officers, and system owners (Nieles et al., 2017). Without the SSOs, organizations are vulnerable to attacks on their legacy systems. Not only will it cost money, but it will also decrease the organization’s reputation and possibly lead to the leak or corruption of sensitive data. Their system would lack organization and key information on arising risks and threats. Having no form of organization, risk management/identification, or security activity coordination is a poor decision. It is a hazard to both the well-being of a business/organization and its employees.
Conclusion
A functional Cybersecurity team requires System Security Engineers. These engineers upgrade legacy systems, implement security measures, and identify risks. These responsibilities prevent the data of organizations and their customers from possible threats. In a team, SSEs work with crucial parts of the Cybersecurity team, including information security architects, senior agency information security officers, and system owners (Nieles et al., 2017). It is hazardous for an organization to go without System Security Engineers, as it will risk its reputation and general security.
References
Defense Acquisition University. (n.d.). System security engineering (SSE). DAU. https://www.dau.edu/tools/dau-systems-engineering-brainbook/design-considerations/sse
Nieles, M. , Dempsey, K. and Pillitteri, V. (2017), An Introduction to Information Security, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.800-12r1
Robert Half Agency. (2025, June 10). Security engineer job description and role information. Robert Half. https://www.roberthalf.com/nz/en/job-details/security-engineer