Computer Network Defense (CND) Analyst

Maximus is seeking an experienced Computer Network Defense (CND) Analyst to support the Defense Information Systems Agency (DISA) Compartmented Enterprise Services Office (CESO) program in Rosslyn, VA.

The CND Analyst will support network-defense monitoring, cybersecurity event analysis, incident detection and response, and threat investigation across the CESO enterprise.

The position will analyze security telemetry, investigate anomalous activity and indicators of potential compromise, document findings, recommend mitigation actions, and coordinate with technical teams supporting mission-critical services.

This role is on-site in Rosslyn, VA and requires an active Top Secret clearance with SCI eligibility.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS056, T2, Band 5

Job-Specific Essential Duties and Responsibilities:

- Perform computer network defense monitoring, detection, analysis, and incident-response activities to identify and characterize anomalous or potentially malicious activity.

- Monitor cybersecurity tools and applications for alerts, indicators, and suspicious activity and investigate identified events.

- Collect and analyze information from CND tools, including intrusion-detection alerts, firewall and network-traffic logs, host-system logs, and related security telemetry.

- Correlate and analyze cybersecurity events and anomalies and develop appropriate escalation, response, and mitigation recommendations.

- Perform persistent monitoring of designated networks, systems, and enclaves supporting CESO services.

- Investigate reported or detected cyber incidents and support first-level response activities.

- Document security events, technical analysis, findings, and response recommendations in applicable ticketing or case-management systems.

- Perform required system checks and maintain complete and accurate network-defense documentation.

- Support analysis of current and emerging cybersecurity threats and assist with threat assessment activities.

- Collaborate with infrastructure, storage, database, application, cloud, and cybersecurity teams to align monitoring and response activities with CESO operational requirements.

- Identify opportunities to improve CND processes, procedures, operational documentation, and analytical workflows.

- Communicate network-defense findings and recommended actions clearly to CESO technical teams and customer stakeholders.

Job-Specific Minimum Requirements:

- Active Top Secret clearance with SCI eligibility.

- Willingness and ability to obtain CI Poly, if required.

- DoD 8140 IAT Level II or Level III compliant certification, such as Security+ CE.

- Experience performing Computer Network Defense, cybersecurity monitoring, security-event analysis, or cyber incident-response activities.

- Experience monitoring intrusion-detection, network-defense, SIEM, or comparable cybersecurity technologies and analyzing resulting alerts.

- Strong knowledge o...