ISSO for Classified Systems & Secure SDLC

Winchester Ammunition; Independence (MO); On-site; USD 92,100 - 138,800; Full time

Job summary

Winchester Ammunition is seeking an Information Security Systems Specialist to be stationed at the Lake City Army Ammunition Plant in Independence, MO. This role focuses on secure design, deployment, and maintenance of enterprise IT, OT, and classified systems, including serving as ISSO for classified environments.

You will contribute to SSDLC activities, threat modeling, secure coding practices, SAST/DAST, and risk-based security controls across development and deployment processes in a highly

Qualifications

• Bachelor’s degree in a related field with relevant experience.
• Experience in Information Security, Systems Engineering, or related cybersecurity discipline.
• Knowledge of government security requirements and compliance standards.

Responsibilities

• Ensure compliance with government regulations and internal security policies for classified systems.
• Maintain protection of classified information including access control and configuration compliance.
• Support audits, investigations, and incident response activities.

Skills

Cybersecurity frameworks

Written and verbal communication

Security clearance readiness

Education

Bachelor’s degree in Cybersecurity, Information Systems, Computer Science

High school diploma or equivalent

Tools

SAST tools

DAST tools

Windows

Linux

Cloud security tools

Job description

Winchester Ammunition is seeking an Information Security Systems Specialist to be stationed at the Lake City Army Ammunition Plant in Independence, MO. This role focuses on secure design, deployment, and maintenance of enterprise IT, OT, and classified systems, including serving as ISSO for classified environments.

You will contribute to SSDLC activities, threat modeling, secure coding practices, SAST/DAST, and risk-based security controls across development and deployment processes in a highly