Senior Cyber Security SIEM Engineer
4 weeks ago
ManTech International is seeking a highly skilled Senior Cyber Security SIEM Specialist to join our Network Operations Security Center (NOSC).
Key Responsibilities:- Develop and implement the enterprise Security Information and Event Monitoring (SIEM) strategy and tool implementation via Splunk.
- Design data flow diagrams and alert feed architectures to ensure seamless alert integration.
- Develop and maintain SIEM architecture, including data sources, log management, and alerting mechanisms.
- Configure tools, settings, alerts, and notifications to improve the enterprise security and resilience capabilities, including implementation of Security Orchestration and Automation for Response (SOAR) capabilities.
- Develop content for rule implementation on network border devices (firewalls, routers, switches, IDS/IPS, etc.).
- Monitor security events and alerts, conducting detailed analysis to identify potential security incidents.
- Participate in response activities to all major enterprise outages.
- Collaborate with incident response teams to investigate and remediate security incidents.
- Perform regular system health checks, maintenance, and upgrades to ensure SIEM performance and reliability.
- Provide technical guidance and support to junior analysts and other team members.
- Stay current with the latest SIEM technologies, cyber threats, and best practices.
- Develop and deliver training sessions on SIEM tools and techniques for DHS staff.
- A bachelor's degree in computer science, information technology, cybersecurity, or a related field.
- A minimum of 8 years of experience in cybersecurity with a focus on SIEM engineering and operations.
- Proficiency with SIEM platforms (e.g., Splunk, Swimlane, ArcSight, QRadar, LogRhythm).
- Strong understanding of network protocols, system logs, and security event correlation.
- Experience in developing and tuning SIEM use cases, correlation rules, and alerts.
- Relevant certifications, such as Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), Certified Ethical Hacker (CEH) -OR- SIEM specific certifications (e.g., Splunk Certified Power User).
- A master's degree.
- Experience working in a government or defense environment.
- Familiarity with DHS policies and procedures.
- Knowledge of broader cybersecurity frameworks (e.g., NIST, ISO 27001).
- Must be a U.S. citizen.
- Must possess a Secret clearance.
- Must be able to obtain and maintain a Top-Secret clearance.
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