Part-Time ISSO for National Security (On-Site)

Data Intelligence, LLC; Vienna (VA); On-site; USD 70,000 - 110,000; Part time

Job summary

Data Intelligence, LLC is seeking a part-time Information Systems Security Officer (ISSO) to support a federal client in Vienna, VA. This role secures complex IT systems in a mission-driven environment and collaborates with government and contractor stakeholders.

The position is on-site in Vienna, VA, for 8 hours per week. The ISSO will oversee security planning, risk management, and compliance with federal standards, including FISMA, NIST, ISO, and CIS Controls.

Qualifications

• Five+ years of ISSO or related cybersecurity experience.
• Experience supporting 24/7 operations.
• Knowledge of NIST, ISO 27001, CIS Controls.
• Experience in incident response and investigations.
• FISMA compliance knowledge.
• Familiarity with cybersecurity tooling (firewalls, SIEM).

Responsibilities

• Support system security planning, implementation, management, and maintenance per federal standards.
• Ensure compliance with agency policies, FISMA, and applicable regulations.
• Monitor and manage security controls; respond to incidents.
• Conduct risk assessments and mitigation planning.
• Maintain SSPs, POA&Ms, and security documentation.
• Coordinate A&A activities and continuous monitoring.

Skills

ISSO experience

Cybersecurity

Risk management

Incident response

FISMA compliance

SIEM

IDS/IPS

NIST standards

OS hardening

Tools

SIEM

IDS/IPS

Job description

Data Intelligence, LLC is seeking a part-time Information Systems Security Officer (ISSO) to support a federal client in Vienna, VA. This role secures complex IT systems in a mission-driven environment and collaborates with government and contractor stakeholders.

The position is on-site in Vienna, VA, for 8 hours per week. The ISSO will oversee security planning, risk management, and compliance with federal standards, including FISMA, NIST, ISO, and CIS Controls.