Mantech

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.

We are seeking a highly skilled and motivated Senior Cyber Incident Detection and Response Analyst to join our Network Operations Security Center (NOSC). You will report to the Lead Cyber Security Incident Response Analyst and be responsible for identifying, analyzing, and responding to cybersecurity threats and incidents to protect DHS infrastructure and data. This role requires expertise in threat detection, incident response, and cybersecurity best practices.

Responsibilities:

• Provide 24/7 support for incident data flow and response, content, and remediation, and interfaces with other incident response centers in maintaining an understanding of threats, vulnerabilities, and exploits that could impact networks and assets.
• Monitor network traffic and system logs for signs of cyber threats and suspicious activity.
• Perform the role of Incident Coordinator for IT Security events requiring focused response, containment, investigation, and remediation.
• Perform real-time proactive event investigation on various security enforcement systems, such as SIEM, Anti-virus, Internet content filtering/reporting, malcode prevention, Firewalls, IDS & IPS, Web security, antispam, etc.
• Assist with forensic analysis on hosts supporting investigations.
• Conduct malware analysis in out of-band environment (static and dynamic), including complex malware.
• Analyze operational anomalies, network behavior and perform mitigation actions derived from cyber threat monitoring and anomaly analysis, and actively monitor the networks for cybersecurity threats and vulnerabilities.
• Perform quality assurance on Incident Closures.
• Assist with Knowledge Management - Standard Operating Procedures and procedural support data.
• Develop and implement detection use cases and signatures to enhance threat identification capabilities.
• Respond promptly to security incidents, conducting thorough investigations and mitigating threats.
• Stay current with emerging threats and vulnerabilities, updating detection and response strategies accordingly.
• Produce comprehensive incident reports, including root cause analysis and recommendations for future prevention.
• Work closely with other cybersecurity teams, including threat intelligence, vulnerability management, and risk assessment.
• Communicate findings and provide actionable recommendations to management and other relevant parties.
• Participate in cybersecurity exercises and incident response training to maintain a high state of readiness.
• Continuously assess and improve incident detection and response processes.
• Provide training and guidance to junior analysts and other team members, support and report to the Cyber Security Incident Response Lead.

Basic Qualifications:

• An 8570 compliant certification
• One of the following relevant certifications: Certified Information Systems Security Professional (CISSP), Certified Incident Handler (GCIH), Certified Information Security Manager (CISM), Certified Ethical Hacker (CEH)
• A bachelor’s degree in computer science, information technology, cybersecurity, or a related field of study (or equivalent experience).
• A minimum of (10) ten years of experience in cybersecurity, with a focus on incident detection and response.
• Proficiency with SIEM tools (e.g., Splunk, ArcSight).
• Experience with intrusion detection/prevention systems (IDS/IPS), endpoint detection and response (EDR) tools, and firewalls.
• Strong understanding of network protocols, operating systems, and security architectures.
• Familiarity with digital forensics tools and techniques.

Preferred Qualifications:

• Experience working in a government or defense environment.
• Familiarity with DHS policies and procedures.
• Knowledge of broader cybersecurity frameworks (e.g., NIST, ISO 27001).

Clearance Requirements:

• A Secret security clearance
• Must be able to pass DHS Suitability

• Must be able to obtain and maintain a TS/SCI clearance.

Physical Requirements:

• Must be able to remain in a stationary position for extended periods of time.

• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.