Senior ISSO — RMF, NIST & DoD Cybersecurity Leader

SAIC; Chantilly (VA); On-site; USD 110,000 - 170,000; Full time

Job summary

SAIC seeks an experienced Information Systems Security Officer to support a dynamic, long-term program focused on national security. The ISSO will assure confidentiality, integrity, and availability of IT infrastructure while aligning with RMF, NIST, and DoD requirements.

Responsibilities include policy implementation, risk assessments, monitoring, incident response, and documentation such as SSPs and SARs. The ideal candidate has 7+ years in information security and relevant certifications.

Qualifications

• Bachelor's degree or equivalent experience in information security.
• 7+ years in information security with 2+ years as an ISSO or similar role.
• Strong knowledge of NIST, ISO 27001, CIS Controls.
• Hands-on with firewalls, IDS/IPS, SIEM and endpoint protection.
• Security certifications such as CISSP, CISM or CISA preferred.
• Knowledge of NIST/DoD policies; strong analytical skills.
• Excellent communication for technical and non-technical stakeholders.

Responsibilities

• Develop, implement, and maintain security policies, procedures, and controls.
• Conduct risk and vulnerability assessments to mitigate security risks.
• Manage RMF activities per NIST and customer policies.
• Monitor security alerts and incidents; respond to threats.
• Enforce controls and deploy security technologies (firewalls, IDS/IPS).
• Lead incident response and coordinate with stakeholders.
• Prepare SSPs, risk assessments, and SARs for audits.
• Conduct security audits and promote security training across staff.

Skills

ISSO experience

RMF

NIST

CIS Controls

SIEM

Firewall

IDS/IPS

Endpoint protection

CISSP

CISM

CISA

Education

Bachelor's degree in Computer Science, Information Security, or related field

Tools

Firewalls

IDS/IPS

SIEM

Endpoint protection

Job description

SAIC seeks an experienced Information Systems Security Officer to support a dynamic, long-term program focused on national security. The ISSO will assure confidentiality, integrity, and availability of IT infrastructure while aligning with RMF, NIST, and DoD requirements.

Responsibilities include policy implementation, risk assessments, monitoring, incident response, and documentation such as SSPs and SARs. The ideal candidate has 7+ years in information security and relevant certifications.