Senior ISSO for DoD/IC Networks | Top Secret

Amentum; United States; On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health, dental, vision insurance

401(k) matching

Educational reimbursement

Paid time off

Job summary

Amentum is seeking an Information System Security Officer (ISSO) to join our team at Fort Meade, MD. You will manage RMF risk management activities, prepare and maintain system security packages, and coordinate with assessors to ensure continuous authorization for mission-critical systems.

The role requires strong documentation, incident response awareness, and the ability to operate in a classified environment. On-site SCIF work is expected with a security‑minded, collaborative team.

Qualifications

• Hands-on RMF security framework experience.
• Experience building ATO packages and RMF artifacts.
• Strong written and verbal communication for security documentation.
• Familiarity with IC and DoD policies.

Responsibilities

• Lead RMF steps for assigned systems (categorize to monitor).
• Maintain system records in governance tools (eMASS).
• Develop authorization packages and POA&M.
• Coordinate with assessors and authorizing officials.
• Review vulnerability scans and security baselines.
• Ensure patching and antivirus timelines.
• Prepare for inspections and audits.

Skills

RMF knowledge

eMASS experience

ACAS/SCAP familiarity

Briefing AO’s

Education

Bachelor's degree in cybersecurity or related field

Tools

eMASS

ACAS

SCAP

STIG Viewer

Job description

Amentum is seeking an Information System Security Officer (ISSO) to join our team at Fort Meade, MD. You will manage RMF risk management activities, prepare and maintain system security packages, and coordinate with assessors to ensure continuous authorization for mission-critical systems.

The role requires strong documentation, incident response awareness, and the ability to operate in a classified environment. On-site SCIF work is expected with a security‑minded, collaborative team.