Information System Security Officer (ISSO)

Responsibilities

• Develop and maintain information security documentation including System Security Plans (SSPs), Risk Assessment Plans, and Plans of Action & Milestones (POA&Ms).
• Manage system changes and assess their security impact on the operational posture.
• Consult with RMF ISSE, ISSM, DAO, and engineering teams regarding information system security.
• Support compliance activities to ensure adherence to system security configuration guidelines and STE/STN requirements.
• Advise leadership and the Authorizing Official on cybersecurity risks and organizational security posture.
• Coordinate cybersecurity inspections, tests, and reviews for the network environment.
• Identify security requirements across all phases of the system life cycle.
• Monitor information security data sources to maintain situational awareness and track audit findings.
• Manage protective or corrective measures when cybersecurity incidents or vulnerabilities are discovered.

Requirements

• Bachelor’s degree in a technical discipline.
• 7+ years of relevant professional experience.
• Active Security+ certification.
• Active TS/SCI with Polygraph security clearance.

Preferred Qualifications

• Experience with Windows, Linux, VMware, and AWS.
• Proven experience standing up System Security Plans (SSPs).
• Experience working with SIPRNet.

Benefits

• Medical, dental, and vision insurance.
• Paid time off and holidays.
• 401(k) retirement plan.
• Life insurance.
• Flexible work schedules.

About the Company

Founded in 1944, Parsons Corporation is a digitally enabled solutions provider focused on creating the future of the defense, intelligence, and critical infrastructure markets. We deliver innovative solutions across defense, security, and cyberspace to meet the needs of our global government customers.