Cyber Defense Engineer - Threat Hunting & SIEM Lead (Hybrid)

Cybersecurity Jobs; Washington (District of Columbia); Hybrid; USD 120,000 - 185,000; Full time

Job summary

The Congressional Budget Office is seeking an Information Security Engineer to help protect mission-critical information systems. This role supports an effective security program through engineering, monitoring, and continuous improvement of detection and response capabilities.

You will work on a hybrid schedule in Washington, DC, with opportunities to strengthen defenses across tooling, threat intelligence, and federal security requirements.

Qualifications

• US citizenship or permanent resident seeking citizenship.
• Ability to obtain and maintain a top-secret security clearance.
• 8 to 10 years of information technology experience.
• 5+ years in risk analysis, auditing, zero trust, vulnerabilities, and threat hunting.
• Demonstrated expertise across a variety of security systems and technologies.
• Recent experience with cloud security, firewall deployment, malware detection, and OS administration.
• Knowledge of NIST 800-53 controls and MITRE ATT&CK framework.
• Knowledge of AI and machine learning fundamentals.
• Strong verbal and written communication to diverse stakeholders.

Responsibilities

• Lead and participate in security incident investigations, supporting containment and remediation.
• Design, implement, and fine‑tune security tools and solutions (CheckPoint EDR, VPN, iBoss, QRadar).
• Develop and maintain detection rules, alerts, and dashboards to improve visibility.
• Integrate threat intelligence feeds to strengthen correlation and alerting.
• Troubleshoot performance issues across security tools and related systems.
• Monitor security events and respond to alerts from SIEM and tools.
• Align engineering with federal requirements including NIST 800-53, FISMA, and FedRAMP.
• Evaluate improvements to security tools and processes.
• Stay current on threats and best practices to evolve the security environment.
• Track tasks to ensure work is completed efficiently.

Skills

Security incident investigation

Threat hunting

Cloud security

NIST 800-53

MITRE ATT&CK

Firewall deployment

Penetration testing

Communication skills

Windows/Linux administration

AI and ML fundamentals

Education

Bachelor’s degree in CS/IT/cybersecurity

CISSP/CISM/CompTIA Cloud+/Security+

Tools

Checkpoint EDR

CheckPoint VPN

iBoss

QRadar

SIEM

NIST 800-53

FISMA

FedRAMP

MITRE ATT&CK

Zero trust architecture

Windows

Linux

AI and machine learning

Job description

The Congressional Budget Office is seeking an Information Security Engineer to help protect mission-critical information systems. This role supports an effective security program through engineering, monitoring, and continuous improvement of detection and response capabilities.

You will work on a hybrid schedule in Washington, DC, with opportunities to strengthen defenses across tooling, threat intelligence, and federal security requirements.