FLEX Senior Detection Engineer

This is a detection engineering role specializing in the monitoring, analysis, detection, and response to cyber events and incidents, with a dedicated focus on identifying and mitigating insider threats. The role is responsible for developing and fine-tuning User and Entity Behavior Analytics (UEBA) and Security Information and Event Management (SIEM) content to detect both traditional cybersecurity threats and anomalous insider activities. The engineer will focus on monitoring critical IT infrastructure, applications, and user behavior logs to uncover insider threats that could impact the Marriott enterprise. This role produces high-quality documentation related to detection development, monitoring logic, and insider threat detection content. You will lead collaboration sessions focused on insider threat use case ideation with partners in the cybersecurity tower and other business units, ensuring that our monitoring and detection strategies are aligned with the organization's goals and emerging insider threat patterns.

CANDIDATE PROFILE

Education and Experience

Required:

• Bachelor’s degree in Computer Sciences or related field or equivalent experience/certification
• 3+ years of collective experience in one or all of the following:
  • Splunk SIEM (Splunk Enterprise Security) threat detection use case development
  • UEBA use case development for insider threat use case development
• 5+ years of experience in some or all of the following:
  • Experience working in (or with) security functions such as SOC, CIRT, security engineering, risk management, vulnerability management.
  • Technical infrastructure operations, administration, or systems engineering
  • Scripting or programming language, including Python

Preferred Skills/Experience:

• Current information security certification such as Certified Information Security Manager (CISM), Certified Information Systems Security Professional (CISSP)
• Offensive and defensive security certifications such as CEH, GIAC Cyber Defense, OSCP or other related certifications
• Splunk Certification, including Splunk Enterprise Security Certified Admin
• Use case development experience on the Exabeam platform
• Working knowledge of the NIST Cyber Security Framework and ISO/IEC 27001:2022
• Working knowledge of the MITRE ATT&CK Framework
• Experience with security monitoring use case ideation for business applications and IT infrastructure
• Familiarity with cloud service provider platforms (AWS, Azure, GCP), identity and access management systems, firewalls, next-gen anti-malware, intrusion detection and prevention systems
• Experience with Linux, Unix and Microsoft operating systems
• Knowledge of IP networking
• Experience with a scripting language (*nix shell scripting, Python, PowerShell, etc.) and regular expressions
• Solid written and verbal communication skills
• Agile methodology

Core Responsibilities

Most Often:

• Lead collaboration sessions within the cyber security tower and other business units to devise security monitoring use cases.  This work entails the collection and collaborative analysis of security accreditation reports, threat models, documented security controls, architecture, and business usage patterns for security monitoring consideration.
• Engage and collaborate with other security engineers and architects as needed to keep pace with the evolution of corporate infrastructure and applications and share that knowledge with peers as appropriate.
• Document prospective security monitoring use cases with MITRE ATT&ACK mappings using standard templates and methodologies.  Identified use cases will be reviewed with stakeholders for acceptance sign-off and to move forward with development.
• Inform and consult other cyber ops teams of required data onboarding and integrations for use case development.
• Develop analytics, correlation searches, dashboards, reports and alerts within the SIEM and UEBA platforms.
• Solicit feedback for pre-production security monitoring content through peer review process and user acceptance testing for tuning.
• Document developed security monitoring content in a documentation registry using department standard templates and methodologies.
• Manage field mapping and transmission of security monitoring alerts to the security incident response platform for SOC analyst consumption as outlined in process documentation.
• Provide governance support for the content development function entailing content development standards compliance, change management approvals for SIEM or UEBA content, and lifecycle management of developed security monitoring content.
• Service operational requests in queue such as analytics content performance tuning, filtering, search refinement, parsing issues, etc.
• Attend SCRUM and prioritization meetings to review and update deliverables.

Less Often:

• Contribute to ongoing development and maintenance of documented standards, workflows, and best practices within the cyber threat detection engineering discipline.
• Research emerging threats and adversary tactics, techniques, and procedures to understand the threat landscape and to ensure that security monitoring content remains relevant and effective.
• Occasional participation in evaluations of new platforms, technologies and methodologies pertaining to cyber threat detection engineering.

MANAGEMENT COMPETENCIES 

The pay range for this position is $60.09 to $85.24 per hour.                                                                                                                                                                                                                                                                  

Washington Applicants Only: Employees will accrue 0.0334 PTO balance for every hour worked and eligible to receive minimum of 9 holidays annually.

FLEX opportunities offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, paid parental leave, 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts.  Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. 

Marriott HQ is committed to a hybrid work environment that enables associates to Be connected.  Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions.

The application deadline for this position is 38 days after the date of this posting, November 25, 2024.     

Marriott International is an equal opportunity employer. We believe in hiring a diverse workforce and sustaining an inclusive, people-first culture. We are committed to non-discrimination on any protected basis, such as disability and veteran status, or any other basis covered under applicable law.

Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work,​ begin your purpose, belong to an amazing global​ team, and become the best version of you.