Cybersecurity Threat Hunter

3 weeks ago

North Center historical, United States ManTech Full time
Job Summary:

ManTech International is seeking a skilled Cybersecurity Threat Hunter to join our team in the Stennis, MS area. As a Cybersecurity Threat Hunter, you will be responsible for identifying and assessing the capabilities and activities of cyber criminals or foreign intelligence entities, and designing and administering procedures to sustain the security of our organization's data and access to its technology and communications systems.

Responsibilities:

Collaborate with incident response teams to investigate, analyze, and remediate identified threats.

Identify and assess the capabilities and activities of cyber criminals or foreign intelligence entities, and design and administer procedures to sustain the security of our organization's data and access to its technology and communications systems.

Identify, deter, monitor, and investigate computer and network intrusions.

Provide computer forensic support to high technology investigations in the form of evidence seizure, computer forensic analysis, and data recovery.

Monitor and assess complex security devices for patterns and anomalies from raw events (DNS, DHCP, AD, SE logs), tag events for Tier 1 & 2 monitoring.

Conduct malware analysis in out-of-band environment (static and dynamic), including complex malware.

Proactively search for and identify cyber threats, including advanced persistent threats (APTs), that could compromise DHS networks and systems.

Analyze network traffic, system logs, and other data sources to detect anomalies and indicators of compromise (IOCs).

Develop and implement threat hunting methodologies, techniques, and tools to improve detection capabilities.

Create and refine threat detection use cases and correlation rules within SIEM and other security tools.

Conduct detailed analysis of malicious code, attack vectors, and threat actor tactics, techniques, and procedures (TTPs).

Prepare detailed threat reports and briefings for technical and non-technical stakeholders.

Stay current with the latest cyber threat intelligence, trends, and technologies.

Provide expert guidance and training to junior analysts and other DHS staff on threat hunting techniques and best practices.

Requirements:

An 8570 compliant certification, such as Certified Information Systems Security Professional (CISSP), GIAC Certified Incident Handler (GCIH), GIAC Certified Forensics Analyst (GCFA), GIAC Certified Intrusion Analyst (GCIA), or relevant certifications.

A bachelor's degree in computer science, information technology, cybersecurity, or a related field of study.

A minimum of (3) three years of experience in cybersecurity with a focus on threat hunting, threat analysis, or incident response.

Proficiency with threat hunting tools and platforms (e.g., Splunk, ELK Stack, CrowdStrike, Carbon Black).

Strong understanding of network protocols, system logs, and security event correlation.

Experience in analyzing malware, attack vectors, and threat actor TTPs.

Preferred Qualifications:

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).

Security Clearance Requirements:

Must be a U.S. citizen.

A current Secret security clearance.

Must be able to obtain and maintain a Top-Secret security clearance.

Must be able to pass DHS suitability.

Physical Requirements:

Must be able to be in a stationary position more than 50% of the time.

Must be able to communicate, converse, and exchange information with peers and senior personnel.

Constantly operates a computer and other office productivity machinery, such as a computer.

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.

The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech International Corporation, as well as its subsidiaries, proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

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