Information System Security Officer (ISSO) with Security Clearance

About the Role

Mantis Security is seeking a highly qualified and technical Information Systems Security Officer (ISSO) to lead the Assessment and Authorization (A&A) for multiple analytic mission systems. The ISSO will work with software and cloud engineers to ensure applications and systems meet required security controls and promote proper security configuration.

Responsibilities

• Support Assessment and Authorization (A&A) and all Risk Management Framework (RMF) processes for multiple information systems.
• Work with software engineers, DevOps engineers, release managers, and project management to ensure compliance and security requirements for continuous delivery to an AWS production environment.
• Ensure validity and accuracy of all associated security documentation.
• Create and maintain System Security Plan (SSP), Security CONOPS, Security Test Plan (STP), and Security Test Procedures.
• Plan and perform security functional testing and support security assessments.
• Utilize Xacta to maintain Security Body of Evidence (BoE) files and manage the A&A process for each system release cycle.
• Provide guidance on security policy application, identify security requirements, and review documentation adequacy.
• Manage Plan of Action and Milestones (POA&Ms) by developing schedules and engineering actions to mitigate open findings.
• Monitor and audit operational systems for proper use.

Qualifications

• Bachelor’s degree with 9 years of experience, Master’s degree with 7 years of experience, or 13 years of experience without a degree.
• DoD 8570 IAT Level II certification (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, or SSCP).
• Current TS/SCI eligibility or Active TS/SCI.
• Ability to obtain a CI polygraph.

Skills

• Proficiency with Risk Management Framework (RMF) and related policies (ICD 503, CNSSI-1253, NIST 800-37, NIST 800-53).
• Working knowledge of Intelligence Community (IC) and DoD policy and guidance.
• Experience with Xacta IA Manager or Xacta 360 (preferred).

Benefits

We offer a full range of highly competitive benefits for our employees and their families, fostering technical innovation and personal growth while promoting a productive work-life balance.