Hybrid ISSO: Secure DoD Systems, RMF & NIST Expert

Msidefensesolutions; Mooresville (NC); Hybrid; USD 110,000 - 150,000; Full time

Benefits offered by this job

401(k) with employer match

Health Insurance

Dental Insurance

Disability Insurance

Vision Insurance

Paid Time Off

Job summary

MSI Defense Solutions is seeking an Information Systems Security Officer (ISSO) to lead the cybersecurity program for both classified and unclassified environments. You will ensure RMF, NIST SP 800-53/800-171, and CMMC compliance, maintain ATO packages, and work closely with IT, Engineering, and government customers to embed security across the system lifecycle.

You will report to the Digital Technology Manager in a hybrid role with 3 days onsite.

Qualifications

• Bachelor's degree in Cybersecurity, IT, CS or related field or equivalent experience.
• 5+ years of cybersecurity, information assurance, or information systems security in a DoD/federal contractor environment.

Responsibilities

• Serve as the ISSO for classified and unclassified information systems.
• Maintain RMF, NIST SP 800-53, NIST SP 800-171, CMMC compliance across environments.
• Develop and maintain SSPs, POA&Ms, SARs, and RMF documentation.
• Support ATO/ATC and continuous monitoring activities.
• Coordinate vulnerability scanning, patch management, and secure configurations.
• Lead audits, assessments, and evidence collection for DCSA and CMMC.

Skills

RMF knowledge

NIST SP 800-53

NIST SP 800-171

CMMC Level 2

STIG implementation

Education

Bachelor's degree in Cybersecurity / IT / CS

Tools

IntelliGRC

SIEM

Azure Active Directory

Microsoft Defender

Endpoint security tools

Job description

MSI Defense Solutions is seeking an Information Systems Security Officer (ISSO) to lead the cybersecurity program for both classified and unclassified environments. You will ensure RMF, NIST SP 800-53/800-171, and CMMC compliance, maintain ATO packages, and work closely with IT, Engineering, and government customers to embed security across the system lifecycle.

You will report to the Digital Technology Manager in a hybrid role with 3 days onsite.