ISSO: Cybersecurity Ops & Compliance (On-site)

Leidos; Columbia (MD); On-site; USD 87,000 - 157,000; Full time

Benefits offered by this job

401K with company match

Paid time off

Flexible schedules

Job summary

Leidos in Columbia, MD seeks an Information System Security Officer to lead security operations, RMF implementation, and continuous monitoring. You will maintain security authorizations, collaborate with ISSEs and system owners, and manage vulnerability remediation using Nessus, Splunk, and SCAP tools.

The role requires a TS/SCI with Polygraph clearance, DoD 8570 IAM/IAT certifications, and strong communication and organizational skills. On-site work five days a week.

Qualifications

• Bachelor’s degree is highly desired; alternative with substantial relevant experience considered.
• Minimum four years of information security, cybersecurity, or related technical experience.
• Proficiency with MS Office for documentation and reporting.

Responsibilities

• Assist ISSM with information assurance efforts across environments.
• Support continuous monitoring, vulnerability management, and remediation tracking.
• Maintain security documentation: SSPs, RMF artifacts, and A&A packages.
• Collaborate with System Owners and ISSE to address security concerns and compliance.
• Conduct security assessments using Nessus, Splunk, and SCAP tools.

Skills

RMF

NIST standards

CNSS guidance

DoD 8570 IAT/IAM

Cybersecurity experience

Education

Bachelor’s degree desired

HS diploma acceptable with experience

Tools

Nessus

Splunk

SCAP tooling

Job description

Leidos in Columbia, MD seeks an Information System Security Officer to lead security operations, RMF implementation, and continuous monitoring. You will maintain security authorizations, collaborate with ISSEs and system owners, and manage vulnerability remediation using Nessus, Splunk, and SCAP tools.

The role requires a TS/SCI with Polygraph clearance, DoD 8570 IAM/IAT certifications, and strong communication and organizational skills. On-site work five days a week.