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Company Description
LinkedIn is the world's largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. We're also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture that's built on trust, care, inclusion, and fun - where everyone can succeed.
Join us to transform the way the world works.
Job Description
At LinkedIn, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. This role may be remote or hybrid. At LinkedIn, hybrid roles are performed both from home and from a LinkedIn office on select days, as determined by the business needs of the team. Remote roles are performed from the designated home work location upon time of hire, and any changes to this home work location requires a review of remote status and approval.
This role can be remote anywhere in the United States or can be hybrid in LinkedIn's Mountain View office location.
About the Team
LinkedIn's Information Security organization protects our members, data, and platforms by building resilient security controls, detecting threats early, and partnering across engineering to reduce risk at scale.
The Detection Engineering team sits at the center of LinkedIn's threat detection ecosystem. We partner closely with Incident Response, Threat Intelligence, Red and Purple Teams, Product Security, Identity & Access Management, and Cloud Security to identify, contextualize, and detect adversary activity across the enterprise. Beyond developing and maintaining high-fidelity detections, we drive the security telemetry strategy through log onboarding, schema design and normalization, automation, threat hunting, incident response support, and audit enablement. Our mission is to continuously improve LinkedIn's ability to detect, investigate, and respond to evolving threats with speed and precision.
About the role
As a Staff Security Engineer on the Detection Engineering team, you will define and drive LinkedIn's detection strategy across endpoint, identity, cloud, and SaaS environments. You will architect, build, and operate high-signal detection capabilities using modern detections-as-code practices, telemetry modeling, and data-driven effectiveness measures, including precision, recall, signal-to-noise ratio, and detection latency.
You will work from adversary tactics, techniques, and procedures (TTPs) to design resilient detection coverage, partnering with Red and Purple Teams to validate effectiveness through adversary emulation and attack simulation. As a technical leader, you will establish engineering standards, influence security architecture, mentor fellow engineers through design and code reviews, and drive strategic investments that improve detection fidelity, scalability, and operational efficiency. This is a hands-on staff-level role focused on technical leadership, architecture, and execution.
Responsibilities

• Define detection strategy and roadmap; drive coverage across priority threat scenarios and emerging attacks relevant to LinkedIn
• Partner with IR/Threat Intel/Cloud/IAM to turn hypotheses and TTPs into production detections; lead purple-team validation.
• Design detections-as-code with version control, CI/CD, unit/integration tests, and staged rollouts.
• Lead adversary emulation exercises to validate detection coverage; develop synthetic signal and test harnesses.
• Proactive threat hunting to discover unknown attacker activity; design hunt playbooks and convert findings into detections.
• Build IR automation (SOAR/Logic Apps) to orchestrate triage, enrichment, containment, and case workflow.
• Operationalize threat intelligence: ingest/normalize IOCs/TTPs, enrich detections with TI context, and collaborate with TI to turn reports into testable hypotheses.
• Build and maintain a SIGMA-based detection content library; translate SIGMA to KQL/SQL where applicable.
• Own telemetry quality: schemas, enrichment, normalization, and data reliability SLIs/SLOs.
• Establish and monitor detection quality metrics (signal-to-noise ratio, precision/recall, false-positive rate, alert latency, lift); drive continuous tuning.
• Lead incident retros to add resilient post-incident detections and suppress noisy patterns.
• Mentor engineers; establish standards, code reviews, and guidance for detection engineering best practices.
• Participate in on-call for critical detection pipelines and high-severity investigations.

Qualifications
Basic Qualifications

• BA/BS Degree in CyberSecurity, Information Security, Computer Science or related technical discipline, or related practical experience.
• 5+ years in security engineering, detection engineering, or incident response
• 2+ years technical leadership.
• Expertise with log analytics and detection content for SIEM/XDR/EDR and cloud provider telemetry (AWS/Azure/GCP).
• Experience building detections and automation with scripting languages (e.g., Python) and query languages (e.g., KQL/SQL)
• Experience building detections-as-code (tests, CI/CD, canary deploys, rollback) at large scale.
• Experience with attacker TTPs and frameworks (ATT&CK) and detection efficacy metrics.
• Experience designing schemas and data models (e.g., ASIM/OSSEM-like) and telemetry pipelines.
• Experience with SIGMA rule authoring and translation; adversary emulation/purple-team experience.

Preferred qualifications

• BS and 8+ years of relevant work experience, MS and 7+ years of relevant work experience, or PhD and 4+ years of relevant work experience.
• 8+ years of experience in detection engineering, with 3+ years of experience in a technical leadership role
• Rigorous approach to detection quality (SNR, precision/recall, false-positive rate, latency) and measurement.
• Experience operating detections over billions of events/day and multi-region data pipelines.
• Building detection testing harnesses, synthetic signal, and adversary emulation at scale.
• Familiarity with identity/security signals (AAD/Okta/SSO), endpoint internals (Windows/Linux/macOS), and SaaS logs.
• Applied analytics/ML for anomaly detection, risk scoring, or enrichment (with robust evaluation).
• Experience building hypotheses and content for AI-enabled attack patterns; practical use of AI to improve detection engineering workflows.
• Relevant certifications (e.g., GCTI, GCDA, GCFA, GIAC-blue); publications or open-source contributions in detections.

Suggested Skills:

• Detection Engineering
• Technical Leadership
• KQL/SQL
• Detection-as-code

You will Benefit from our Culture
We strongly believe in the well-being of our employees and their families. That is why we offer generous health and wellness programs and time away for employees of all levels. LinkedIn is committed to fair and equitable compensation practices.
The pay range for this role is $156,000 to $255,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.
The total compensation package for this position may also include annual performance bonus, stock, benefits and/or other applicable incentive compensation plans. For more information, visit https://careers.linkedin.com/benefits.
Additional Information
Equal Opportunity Statement
We seek candidates with a wide range of perspectives and backgrounds and we are proud to be an equal opportunity employer. LinkedIn considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
LinkedIn is committed to offering an inclusive and accessible experience for all job seekers, including individuals with disabilities. Our goal is to foster an inclusive and accessible workplace where everyone has the opportunity to be successful.
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Reasonable accommodations are modifications or adjustments to the application or hiring process that would enable you to fully participate in that process. Examples of reasonable accommodations include but are not limited to:

• Documents in alternate formats or read aloud to you
• Having interviews in an accessible location
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A request for an accommodation will be responded to within three business days. However, non-disability related requests, such as following up on an application, will not receive a response.
LinkedIn will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by LinkedIn, or (c) consistent with LinkedIn's legal duty to furnish information.
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Pursuant to the San Francisco Fair Chance Ordinance, LinkedIn will consider for employment qualified applicants with arrest and conviction records.
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As a federal contractor, LinkedIn follows the Pay Transparency and non-discrimination provisions described at this link: https://lnkd.in/paytransparency.
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