REI

Outdoor gear retailer and co-op

Senior Detection Engineer

Security Operations & Incident ResponsePosted on Nov 10

Full-timeSeattle, WA, USA$130.2k - $208.2k /yr

About the Job

Requirements

A bachelor's degree in computer science, information security, information technology, or a related field is required; an equal mix of school and work experience also meets this requirement.
At least 5 years of work in security operations, detection engineering, threat hunting, incident response, or security engineering is required.
Skill creating and tuning alerts in a SIEM such as Splunk or Microsoft Sentinel, and working with EDR tools such as Microsoft Defender, CrowdStrike, or SentinelOne, is required.
Skill reviewing threats across devices, user access, networks, cloud tools, or SaaS services, including log review and root cause work, is required.
Working knowledge of MITRE ATT&CK and attacker tactics, techniques, and procedures is required.
Skill with at least one scripting language, such as Python or PowerShell, is required.
Ability to work well with technical and business teams is required.
Willingness to travel to the Seattle-area headquarters once or twice a year for business travel as needed is required.

Responsibilities

Build, test, and maintain threat alerts using SIEM, EDR, cloud, network, SaaS, and application tools, including Microsoft Sentinel, Splunk, or similar tools.
Use MITRE ATT&CK, threat data, and event trends to find gaps, reduce false alerts, and improve alert quality.
Participate in threat hunts and event reviews; help contain threats, find root causes, and restore service; and turn lessons into new alerts and guides.
Build scripts, workflows, reports, and SOAR integrations to make alert review and incident response faster, clearer, and repeatable.
Build monitoring for AI applications, copilots, agents, and AI data use to help detect data loss, stolen access, unsafe prompts, and misuse.
Work with security, engineering, data, and business teams and share clear updates.
Take part in the on-call schedule as needed.

Overview

REI Co-op is looking for a Senior Detection Engineer. You will help protect our people, members, and systems. You will join our Security Operations team. You will build ways to find and stop cyber threats. Your work will cover devices, user access, networks, cloud tools, software services, and new AI tools.

You will write and tune alerts. You will hunt for threats and help review security events. You will use scripting and automation to make incident response faster, more efficient, and more consistent. You will work with security analysts, engineers, data teams, and business partners. Together, you will close gaps, improve data, and help teams make good choices during an event.

Responsibilities and Qualifications

Build, test, and maintain threat alerts. Use SIEM, EDR, cloud, network, SaaS, and app tools. Work with Microsoft Sentinel, Splunk, or like tools.
Use MITRE ATT&CK, threat data, and event trends. Find gaps, cut false alerts, and improve alert quality.
Join threat hunts and event reviews. Help contain threats, find root causes, and restore service. Turn lessons into new alerts and guides.
Build scripts, work flows, reports, and SOAR links. Make alert review and event response fast, clear, and easy to repeat.
Build ways to watch AI apps, copilots, agents, and AI data use. Help find data loss, stolen access, unsafe prompts, and misuse.
Work with security, engineering, data, and business teams. Share clear updates. Take part in the on-call schedule as needed.

Qualifications

A bachelor’s degree in computer science, information security, information technology, or a related field. An equal mix of school and work experience also meets this need.
5 or more years of work in security operations, detection engineering, threat hunting, incident response, or security engineering.
Skill creating and tuning alerts in a SIEM, such as Splunk or Microsoft Sentinel. Work with EDR tools, such as Microsoft Defender, CrowdStrike, or SentinelOne.
Skill reviewing threats across devices, user access, networks, cloud tools, or SaaS services. This includes log review and root cause work.
Working knowledge of MITRE ATT&CK and attacker tactics, techniques, and procedures.
Skill with at least one script language, such as Python or PowerShell. Ability to work well with both tech and business teams.
Willing to travel to Seattle area HQ once or twice a year for business travel as needed (remote eligible role)

Closing

At REI, we believe the outdoors is for all. We are committed to becoming a fully inclusive, anti-racist, multicultural organization. We know that there's strength in our diversity – that each employee brings unique skills, experiences, and perspectives. Every day you are driving change, fostering a culture of respect, and knowing you're backed by benefits that support your whole life. To work towards this commitment and fulfill our brand promise of inspiring and enabling a life outside for everyone, we seek employees who demonstrate different ways of working, create a sense of belonging, and actively listen and learn.

Pay Transparency

We are committed to practices that promote pay equity and transparency. As required by applicable Pay Transparency laws, REI provides a range of compensation for roles that may be hired in locations under these requirements. Factors that may be used to determine your actual salary may include a wide array of factors, including: your specific skills and experience, geographic location or other relevant factors.

REI offers all regular employees a generous employee discount, access to health benefits, a retirement savings plan and accrued time off. Click here for a detailed overview of benefits plans by employee profile.

Pay Range

$130,200.00 - $208,200.00 per year

About the Company

REI

Outdoor gear retailer and co-op

REI is an outdoor co-op that sells top-quality gear and apparel, offers rental equipment, and provides expert advice and outdoor experiences to help people enjoy nature. Its products work by organizing and selling outdoor gear and services—gear, clothing, rentals, and guidance—so customers can plan, equip, and participate in outdoor activities. REI differentiates itself from competitors by operating as a shareholder-free co-op focused on stewardship and sustainability, reinvesting proceeds to support the outdoors rather than paying dividends. It also builds a community through its stories, experiences, and expert advice aimed at helping people of all levels get outside. The company’s goal is to inspire and enable life outside for everyone and to awaken a lifelong love of the outdoors for all.

Company size: 5,001-10,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Seattle, WA
Founded: 1938

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