Senior Detection Engineer

The Senior Detection Engineer plays a pivotal role in strengthening the WTW’s cyber defense capabilities by designing, implementing, and optimizing threat detection strategies across cloud and on-prem environments.This role focuses on building scalable detection logic, enhancing visibility, and enabling rapid response to emerging threats.

Working closely with the Global Information and Cyber Security Defence (ICSD) team, the engineer will lead efforts to develop and fine-tune detection rules, integrate telemetry sources, and support threat hunting and incident response. The ideal candidate combines deep technical expertise with a proactive mindset to stay ahead of adversaries and continuously improve detection coverage.

This role also contributes to the broader Security Engineering team, helping to build and maintain a resilient security infrastructure that supports the organization’s mission and growth.

Roles and Responsibilities:

• Design, develop, and maintain detection logic across SIEM, EDR, and cloud-native platforms to ensure comprehensive threat visibility.
• Collaborate with Threat Intelligence, Incident Response, and SOC teams to identify detection gaps and enhance coverage.
• Conduct threat modeling and develop detection use cases based on evolving attacker TTPs.
• Continuously refine the detection engineering process, including rule tuning, framework improvements, and lifecycle management.
• Support proactive threat hunting by building and executing custom queries and scripts.
• Automate detection workflows and contribute to detection-as-code pipelines for scalability and efficiency.
• Monitor emerging threats and adversary behaviors, integrating findings into the detection strategy.
• Maintain accurate documentation and playbooks to support consistency, transparency, and knowledge sharing across teams.
• Log source onboarding

Required Qualifications:

• 5+ years of experience in cybersecurity, with a strong focus on threat detection engineering or threat hunting.
• In-depth of Microsoft Sentinel.
• Proficient in detection rule languages, such as KQL.
• Skilled in scripting and automation using Python, PowerShell, or Bash.
• Experience with cloud security and cloud-native detection strategies across platforms like AWS, Azure, or GCP.

Other Knowledge, Skills and Abilities

• Strong communication and collaboration skills, with proven experience working in cross-functional global teams.
• Strong problem-solving and critical thinking skills for addressing security issues and finding effective solutions.
• Outstanding written and verbal communication skills.
• Ability to work both independently and collaboratively in a fast-paced environment.
• Strong communication skills, with the ability to explain security concepts to non-technical stakeholders.

Certifications (Preferred):

• Security Operations Analyst Associate (SC-200)
• Azure Security Engineer (AZ-500)
• Any other relevant security certification

Depending on your location there is a requirement to attend the closest WTW office.

Compensation and Benefits

Base salary range and benefits information for this position are being included in accordance with requirements of various state/local pay transparency legislation. Please note that base salaries may vary for different individuals in the same role based on several factors, including but not limited to location of the role, individual competencies, education/professional certifications, qualifications/experience, performance in the role and potential for revenue generation.

Compensation

The base salary compensation range being offered for this role is $100,000-$120,000 USD per year.

This role is also eligible for an annual short-term incentive bonus.

Company Benefits

WTW provides a competitive benefit package which includes the following (eligibility requirements apply):

• Health and Welfare Benefits: Medical (including prescription coverage), Dental, Vision, Health Savings Account, Commuter Account, Health Care and Dependent Care Flexible Spending Accounts, Group Accident, Group Critical Illness, Life Insurance, AD&D, Group Legal, Identify Theft Protection, Wellbeing Program and Work/Life Resources (including Employee Assistance Program)
• Leave Benefits: Paid Holidays, Annual Paid Time Off (includes paid state/local paid leave where required), Short-Term Disability, Long-Term Disability, Other Leaves (e.g., Bereavement, FMLA, ADA, Jury Duty, Military Leave, and Parental and Adoption Leave), Paid Time Off
• Retirement Benefits: Contributory Pension Plan and Savings Plan (401k). All Level 38 and more senior roles may also be eligible for non-qualified Deferred Compensation and Deferred Savings Plans.

Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles County Fair Chance Ordinance for Employers, we will consider for employment qualified applicants with arrest and conviction records.

Note that visa employment-based non-immigrant visa sponsorship and/or assistance is not offered for this specific job opportunity.

This position will remain posted for a minimum of three business days from the date posted or until sufficient/appropriate candidate slate has been identified.

EOE, including disability/vets