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Senior Engineer, Security Information & Event Management (SIEM)

Marriott International
United Statesfull_timeVerifiedPosted 28 Oct 2025

About the role

This Senior Security Engineer will be part of the Cyber Analytics and Automation team for our Security Information and Event Management (SIEM) platform.  In this role you will be responsible for designing, implementing, and maintaining the architecture of our SIEM and related platforms to enhance our cybersecurity posture.  You will also leverage your expertise in data processing and routing platforms to provide specialized support for the development of advanced analytics to support our Insider Threat and Cyber Incident Response teams. 

 

CANDIDATE PROFILE 

 

Education and Experience 

 

Required: 

Bachelor’s degree in Computer Sciences or related field or equivalent experience/certification 

7+ years of experience in Information Technology including: 

4+ years of experience in an information security function 

3+ years of experience with Splunk 

Splunk Cloud Certified Admin 

Cribl Certified User 

Demonstrated knowledge of the Unix/Linux command line and command line utilities. 

Familiarity with cloud security, threat intelligence platforms, and modern security architectures. 

Subject matter expert in management and hands-on implementation of SIEM solutions. 

Strong level of familiarity with common enterprise infrastructure systems, services and concepts pertaining to general networking, next-gen firewalls, endpoint protection, IDS, IPS, vulnerability management, Linux and Windows OS, databases, logging platforms. 

Strong knowledge of AWS services, especially around data storage (e.g. S3, Data Lake) and compute (e.g. EC2) related services. 

Working knowledge of Infrastructure as Code tools (e.g. Terraform, CloudFormation). 

Working knowledge of IT and infrastructure automation tools (e.g. Ansible, Puppet). 

Working knowledge of container/container orchestration technologies (e.g. Docker, Kubernetes, AWS EKS). 

Strong working knowledge of CI/CD process and tools. 

 

 

Preferred: 

Splunk Enterprise Certified Architect 

Cribl Certified Admin – Stream 

Current Advanced information security certifications (e.g., CISSP, CISM, GIAC). 

Familiarity (or greater) skill level in SQL 

Background in IT security/systems administration or IT security/systems engineering 

Working knowledge of frameworks such as MITRE ATT&CK, NIST CSF, and ISO/IEC 27001. 

Experience with scripting/programming (Python, PowerShell, etc.) and automation. 

Hands-on experience with the configuration and management of Rsyslog or Syslog-ng 

Project management skills, with an understanding of core Agile principles 

Detail oriented work style, well versed in ITIL best practices for security systems engineering lifecycle management and service delivery. 

 

 

CORE WORK ACTIVITIES 

 

Strategic Leadership: 

Designs, engineers and implements solutions and integrations to meet security requirements pertaining to logging and monitoring functions. 

Analyzes and manages performance and health of SIEM platform and requisite services. 

Provides technical oversight, standardization and regular review of SIEM platform and requisite services for compliance with security and privacy policies.  

Participates in the evaluation and selection of security service products. 

Utilizes capability modeling to align systems strategy and planning with business strategy and goals. 

Provides tactical direction to stakeholders pertinent to security logging and monitoring functions. 

 

 

Technical Execution: 

Provides tier-3 support for operational escalations or technical issues impacting SIEM or related platforms. 

Collaborate with Security Architecture and Engineering teams to ensure detection coverage aligns with cybe

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Company

Marriott International

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