Arlington DoD ISSO: Secure Critical Systems

Apogee Research, LLC; Arlington (VA); On-site; USD 114,000 - 171,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

FSAs

Paid vacation

Sick leave

Paid holidays

Parking/Transit

Job summary

Apogee Research, LLC is seeking an experienced Information System Security Officer (ISSO) to safeguard DoD information systems. The role requires an active DoD Top Secret clearance with SCI eligibility and is based in our Arlington, VA office, full-time in person.

Responsibilities include developing RMF packages (SSPs, SCTMs), performing security assessments, reviewing audit logs, and coordinating with ISSM and CPSO/FSO. DoD 8140/8570 baseline certs and strong communication skills are essential.

Qualifications

• 3-5 years as an ISSO/ISSE in the DoD environment.
• DoD 8140/8570 baseline certification (e.g., Security+, CySA+, etc.) is required.
• Experience auditing information systems.
• Familiarity with NISPOM, RMF JSIG, ICD 503, NIST SP 800-53 Rev 4/5, DoD STIGs.
• Strong written and verbal communication, able to work under pressure.

Responsibilities

• Ensure users follow security policies to protect systems and data.
• Prepare and maintain SSPs, SCTMs, risk assessments, and security authorizations.
• Support assessments of classified and CUI networks.
• Review system audit logs to identify anomalies and threats.
• Coordinate RMF packages with ISSM, CPSO/FSO, and program teams.
• Assist with incident response and remediation activities.

Skills

DoD RMF

SSP Review

Audit & Compliance

Security Operations

Communication Skills

Tools

STIGs

Red Hat Linux

Windows Server

NIST SP 800-53

Job description

Apogee Research, LLC is seeking an experienced Information System Security Officer (ISSO) to safeguard DoD information systems. The role requires an active DoD Top Secret clearance with SCI eligibility and is based in our Arlington, VA office, full-time in person.

Responsibilities include developing RMF packages (SSPs, SCTMs), performing security assessments, reviewing audit logs, and coordinating with ISSM and CPSO/FSO. DoD 8140/8570 baseline certs and strong communication skills are essential.