Remote ISSO: RMF/ATO Expert for Critical Systems

CACI International Inc; United States; Remote; USD 90,000 - 190,000; Full time

Benefits offered by this job

Flexible time off

Learning and development resources

Job summary

CACI International Inc is seeking an Information System Security Officer (ISSO) to support DHS Headquarters. The role leads RMF activities, develops SSPs, and ensures security controls across mission systems. Candidates should have experience with NIST SP 800-37/53 and DHS directives.

This remote position requires U.S. citizenship and extensive information security expertise. The ISSO will guide risk assessments, incident response planning, and continuous monitoring for compliance and mission

Qualifications

• BS/BA in information security or related field required.
• 7+ years of information security experience.
• Experience with RMF, FISMA, NIST risk management.
• Knowledge of NIST SP 800-37/800-53 and DHS 4300 series requirements.

Responsibilities

• Execute RMF activities for ATO decisions, including system categorization and control implementation.
• Develop and maintain System Security Plans (SSPs) and POA&Ms.
• Create and update Configuration Management Plans and risk assessments.
• Advise system owners and executives on cybersecurity matters and remediation plans.

Skills

RMF knowledge

Information security

NIST standards

Education

BS/BA in information security or related field

Tools

RegScale

eMASS

CSAM

Job description

CACI International Inc is seeking an Information System Security Officer (ISSO) to support DHS Headquarters. The role leads RMF activities, develops SSPs, and ensures security controls across mission systems. Candidates should have experience with NIST SP 800-37/53 and DHS directives.

This remote position requires U.S. citizenship and extensive information security expertise. The ISSO will guide risk assessments, incident response planning, and continuous monitoring for compliance and mission