Liftoff Mobile · 2 weeks ago
Security Engineer, Detection & Response
United States
Full-time
Remote
Senior Level
$200K/yr - $240K/yr
5+ years expLiftoff Mobile is a leading AI-powered performance marketing platform for the mobile app economy. They are seeking a Security Engineer to enhance their detection and response function, manage the operation of their SIEM, and collaborate with engineering teams to improve security processes and tooling.
AdTechMarketingBig DataAppsAdvertisingAd NetworkAd RetargetingAdvertising PlatformsApp MarketingMobileMobile Advertising
Responsibilities
Own day-to-day operation of Liftoff's SIEM (Panther) — log source ingestion, detection content, and the alert investigation pipeline
Lead Liftoff's adoption of AI-augmented SOC tooling (e.g. Prophet, Dropzone, or equivalent) as a multi-year modernization investment
Triage incoming security alerts and drive timely investigation and remediation with stakeholders across Engineering and IT
Lead incident response — investigation, containment, and post-incident review — and mature processes and runbooks so response becomes predictable and repeatable
Build tooling and automation that detects active threats, enriches alerts, and reduces manual investigation toil
Partner with Engineering and IT to make detection and response self-service where possible — clear log-onboarding paths, documented detection proposals, accessible runbooks — so security scales without becoming a bottleneck
Close the feedback loop between the team's offensive and proactive findings and detection coverage
Partner across the security team on cloud, infrastructure, and application security work alongside your detection and response focus — every engineer on this team covers breadth beyond their primary focus
Participate in the Security team's on-call rotation and incident response
Qualification
Required
5+ years in security engineering, security operations, detection engineering, or software engineering with a security focus
Hands-on production SIEM operation — onboarding log sources, writing and maintaining detection content, and triaging alerts
Write production-quality code for security automation and detection-as-code
Experience leading or substantially contributing to security incident response
Strong technical writing — design docs, runbooks, and post-incident reviews
Demonstrated judgment in prioritizing security work using a risk-based approach
Ability to quickly navigate large, unfamiliar codebases and reason about complex engineering systems
Excellent verbal communication
Willing to participate in an on-call rotation
Preferred
Hands-on experience with an AI-augmented SOC platform (Prophet Security, Dropzone AI, or equivalent), or with building large language model (LLM) augmented investigation and runbook tooling
Experience operating in cloud environments at scale
Cloud incident response experience, particularly in AWS
Endpoint forensics for incident response on Mac and/or Linux
Detection-as-code workflows in continuous integration and deployment (CI/CD) pipelines
Mobile adtech or high-volume SaaS background
Benefits
Equity
Benefits designed to support employee well-being and performance
Medical coverage
Wellness stipends
Additional perks based on your country of residence
Full-time remote work in one of our entities: CA, CO, ID, IL, FL, GA, MA, MI, MN, MO, NJ, NV, NY, OR, TX, UT, and WA
Opportunities for in-person team gatherings, including but not limited to project meetings, regional meetups, and company-wide events
Competitive salaries
Company
Liftoff Mobile
Liftoff helps mobile businesses maximize their revenue.
501-1000 employees
H1B Sponsorship
Liftoff Mobile has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
91%
Represents job field similar to this job
Engineering and Development
Customer Service and Support
Trends of Total Sponsorships
*2024 (3)
2022 (6)
2021 (1)
2020 (1)
Funding
Current Stage
Public CompanyTotal Funding
$6.8MKey Investors
General AtlanticBaseline Ventures
2026-06-04IPO
2025-05-05Private Equity
2020-12-22Private Equity
Leadership Team
Harry Robertson
Co-Founder & Executive Technology Advisor
Andre Tutundjian
Chief Operating Officer
Recent News
The Motley Fool
2026-07-10
PitchBook
2026-07-08
2026-07-07
Company data provided by crunchbase