Senior Security Engineer – SIEM & Detection Engineering
Company Description
CREATIVITY IS OUR SUPERPOWER. It’s our heritage and it’s also our future. Because we don’t just make toys. We create innovative products and experiences that inspire fans, entertain audiences and develop children through play. Mattel is at its best when every member of our team feels respected, included, and heard—when everyone can show up as themselves and do their best work every day. We value and share an infinite range of ideas and voices that evolve and broaden our perspectives with a reach that extends into all our brands, partners, and suppliers.
The Team:
Job Description
Skills and Qualifications
Required:
5–8 years of experience in security engineering, detection engineering, or SOC architecture in an enterprise environment.
Expert-level knowledge of SIEM platforms (e.g., Splunk, XSOAR, or equivalent), including onboarding, parsing, rule creation, and optimization.
Strong understanding of detection engineering, including attack chain mapping, MITRE ATT&CK coverage, and event correlation.
Experience with log source onboarding (firewalls, proxies, endpoints, cloud, identity, email systems etc.).
Familiarity with SOAR tools and automation workflows for triage and enrichment.
Strong scripting skills (Python, PowerShell, or Bash) for rule automation, parsing, and enrichment.
Understanding of cloud detection engineering across Azure, AWS, or GCP environments.
Excellent analytical, problem-solving, and communication skills, with a focus on collaboration and data-driven decision-making.
SIEM engineering and administration (Splunk, Sentinel, etc.)
Log collection, parsing, and correlation logic development
NDR/XDR deployment and tuning (e.g., ExtraHop, Vectra, Cisco, CrowdStrike, or similar)
Detection engineering and content lifecycle management
Cloud detection coverage (Azure, AWS, GCP)
Scripting and automation (Python, PowerShell, Bash)
SOAR integration for alert enrichment and response automation
Data normalization, threat hunting, and query development
Familiarity with the MITRE ATT&CK and D3FEND frameworks
Network security, endpoint telemetry, and identity-based detection techniques
Preferred:
Bachelor’s degree in Cybersecurity, Computer Science, or related technical field, or equivalent professional experience.
Demonstrated success designing, scaling, and maintaining enterprise SIEM and detection systems.
Certifications such as GIAC Certified Detection Analyst (GCDA), GIAC Security Operations Certified (GSOC), CompTIA CySA+, ISC2 SSCP, Splunk Enterprise Security Certified Admin or Architect, or equivalent detection engineering or SIEM certification
Analytical and detail-oriented with a focus on precision and reliability
Strong communication and collaboration across technical and non-technical stakeholders
Adaptable and proactive in a fast-paced, global environment
Passion for continuous learning, innovation, and automation in security operations
Effective mentor and team contributor
Shift Timing:
05:00–14:00 PST (18:30–03:30 IST), Monday through Friday, with emergency on-call duties as needed
Qualifications
What We’re Looking For:
- Demonstrated a growth mindset by staying curious and continuously learning, embracing challenges, and improving themselves.
Additional Information
Don’t meet every single requirement? At Mattel, we are dedicated to an inclusive workplace and a culture of belonging. If you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we still encourage you to apply. You may be just the right candidate for this or other roles.
How We Work:
We are a purpose driven company aiming to empower generations to explore the wonder of childhood and reach their full potential. We live up to our purpose employing the following behaviors:
- We collaborate: Being a part of Mattel means being part of one team with shared values and common goals. Every person counts and working closely together always brings better results. Partnership is our process and our collective capabilities is our superpower.
- We innovate: At Mattel we always aim to find new and better ways to create innovative products and experiences. No matter where you work in the organization, you can always make a difference and have real impact. We welcome new ideas and value new initiatives that challenge conventional thinking.
- We execute: We are a performance-driven company. We strive for excellence and are focused on pursuing best-in-class outcomes. We believe in accountability and ownership and know that our people are at their best when they are empowered to create and deliver results.
Our Approach to Flexible Work:
We embrace a flexible work model designed to empower a culture of growth, optimism, and wellbeing, where every employee can reach their full potential. Combining purposeful in-person collaboration with flexibility, our focus is to optimize performance and drive connection for moments that matter.
Who We Are:
Mattel is a leading global toy and family entertainment company and owner of one of the most iconic brand portfolios in the world. We engage consumers and fans through our franchise brands, including Barbie, Hot Wheels, Fisher-Price, American Girl, Thomas & Friends, UNO, Masters of the Universe, Matchbox, Monster High, MEGA and Polly Pocket, as well as other popular properties that we own or license in partnership with global entertainment companies. Our offerings include toys, content, consumer products, digital and live experiences. Our products are sold in collaboration with the world’s leading retail and ecommerce companies. Since its founding in 1945, Mattel is proud to be a trusted partner in empowering generations to explore the wonder of childhood and reach their full potential.
Mattel’s award-winning workplace culture has been recognized by Forbes, Fast Company, Newsweek, Great Place to Work, TIME, and more.
Visit us at https://jobs.mattel.com/ and www.instagram.com/MattelCareers.
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Mattel is an Equal Opportunity Employer where we want you to bring your authentic self to work every day. We welcome all job seekers, and all applicants will receive consideration for employment.
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