ISSO - RMF, STIGs & Classified Systems

Leidos; Huntsville (AL); On-site; USD 70,000 - 126,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave and Retirement

Job summary

Leidos Dynetics in Huntsville, Alabama is seeking an Information System Security Officer (ISSO) to support classified information systems and cybersecurity operations onsite at our Huntsville office, with up to 20% telework allowed.

The ideal candidate holds an active Secret clearance and can obtain Top Secret clearance after hire. The role focuses on RMF, security controls, audits, and collaboration with IT, engineering, and program personnel to maintain compliance.

Qualifications

• Bachelor’s degree required or equivalent experience with DoD 8140/DCWF
• Active experience with RMF and security control implementation
• Experience with Windows and/or Linux security concepts
• Knowledge of NIST SP 800-53 Rev 5, DISA STIGs, or DCSA requirements

Responsibilities

• Support day-to-day cybersecurity oversight and compliance of classified information systems.
• Develop, review, and maintain authorization artifacts and BoE.
• Perform security assessments (STIG, SCAP) and vulnerability scans and document findings.
• Review audit logs and support remediation actions with IT and engineering teams.
• Assist with incident response activities and secure evidence preservation.
• Collaborate with IT, security, and program personnel to resolve security issues.

Skills

RMF compliance

Security monitoring

Vulnerability management

Documentation & reporting

Windows/Linux knowledge

Analytical skills

Communication skills

Education

Bachelor’s degree

Tools

Splunk

Trellix

SCAP

eMASS

Job description

Leidos Dynetics in Huntsville, Alabama is seeking an Information System Security Officer (ISSO) to support classified information systems and cybersecurity operations onsite at our Huntsville office, with up to 20% telework allowed.

The ideal candidate holds an active Secret clearance and can obtain Top Secret clearance after hire. The role focuses on RMF, security controls, audits, and collaboration with IT, engineering, and program personnel to maintain compliance.