Junior ISSO: RMF & Classified Systems Security

Leidos; Maryland; On-site; USD 70,000 - 126,000; Full time

Benefits offered by this job

Paid Time Off

11 paid Holidays

401K with company match

Flexible Schedules

Discounted Stock Purchase Plans

Technical Upskilling

Education and Training Support

Parental Paid Leave

Job summary

Leidos is seeking a Junior Information Systems Security Officer to support IA initiatives and maintain security integrity across classified environments.

You will assist with security operations, conduct risk assessments, and contribute to continuous compliance using RMF to safeguard information systems. Collaboration with engineering teams is essential to embed security best practices early.

Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, IA, or related field plus 2+ years of experience or Master’s degree with 0+ years
• DoD 8140 compliant at IAM Level I/II or IAT Level III (CISSP/CASP/Security+)
• Strong communication and teamwork skills required

Responsibilities

• Oversee daily security configurations for classified environments
• Conduct vulnerability scans and risk assessments
• Evaluate new security solutions to strengthen architecture
• Guide RMF ATO lifecycle and author SSPs & RACs
• Maintain SCTMs and A&A packages
• Administer configuration management for software/hardware/firmware
• Audit controls and assess impact of changes
• Provide security guidance to stakeholders and partner with engineering

Skills

RMF Familiarity

IA/InfoSec

Vulnerability Scanning

Risk Assessment

Collaboration

Education

Bachelor's Degree in CS/Cybersecurity/IA

Master's Degree in CS/Cybersecurity/IA

High School Diploma + 6+ yrs exp

Tools

Nessus

Splunk

ServiceNow

XACTA

eMASS

Job description

Leidos is seeking a Junior Information Systems Security Officer to support IA initiatives and maintain security integrity across classified environments.

You will assist with security operations, conduct risk assessments, and contribute to continuous compliance using RMF to safeguard information systems. Collaboration with engineering teams is essential to embed security best practices early.