Cybersecurity Security Engineer III
Location
Washington, DC
Job Type
Full-time
Category
other-general
Posted
June 17, 2026
Washington, DC, USA
Full-time
Clearance Requirement: Secret
**Company Description**
Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
**Job Description**
***** This position is contingent upon contract award *****
Overview
SOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer. This role is responsible for supporting security architecture, engineering, technology integration, and modernization initiatives across enterprise cyber defense environments, including Zero Trust, cloud security, DevSecOps, and emerging technologies.
**Responsibilities**
· Support cybersecurity engineering and security archit...
Full-time
Clearance Requirement: Secret
**Company Description**
Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
**Job Description**
***** This position is contingent upon contract award *****
Overview
SOSi is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities in alignment with our customer. This role is responsible for supporting security architecture, engineering, technology integration, and modernization initiatives across enterprise cyber defense environments, including Zero Trust, cloud security, DevSecOps, and emerging technologies.
**Responsibilities**
· Support cybersecurity engineering and security archit...