{"id":3978380,"url":"https://alion.io/job/angi-senior-security-engineer-detection-response","title":"Senior Security Engineer, Detection & Response","company":{"id":668829,"name":"Angi","domain":"angi.com","url":"https://alion.io/company/angi-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":35,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":{"label":"CT","utc_offset_min":-6,"utc_offset_max":-6},"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":150000,"max":225000,"currency":"USD","period":"year","gross":null,"usd_annual":225000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"CloudFormation","optional":false},{"name":"Grafana","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"Looker","optional":false},{"name":"PCI DSS","optional":false},{"name":"Python","optional":false},{"name":"SIEM","optional":false},{"name":"Terraform","optional":false}],"status":"live","first_seen_at":"2026-11-09T16:05:18Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T18:53:57Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"For over 30 years, Angi has powered the future of the home services industry, creating an environment where homeowners and pros benefit from more jobs done well.\nFor homeowners, our platform is a reliable way to find skilled pros. For pros, we're a reliable business partner who helps them find the winnable work they want, when they want. For employees, we're an amazing place to call home. We can't wait to welcome you.\nAngi at a glance:\nFounded in 1995 as Angie’s List and rebranded in 2021\n\nGlobal company with 9 brands in 8 countries and employees worldwide\n\nHomeowners have turned to us for 300 million home projects and counting\n\nAbout the team:\nAt Angi, security is woven into everything we build, from PCI-scoped payment flows to the AI agents now handling homeowner/pro conversations and scheduling end-to-end. Detection signal spans cloud, endpoint, identity, SaaS, and a growing set of autonomous agents. You'll own detection and response as an engineering problem: build the detections, build the automation that works them, and carry the pager for what still gets through.\nWhile this is a remote position, we are a global company and are looking for applicants located in eastern or central time zones to align with our team's working hours.\nWhat you’ll do:\nBuild and own detections across AWS (GuardDuty, CloudTrail, SecurityHub), EDR, identity, SaaS, and our AI gateway. Coverage, precision, and latency are properties we manage across a rule's lifecycle.\n\nOwn the security log pipeline, and own it as a product with consumers: audit and security logs land centrally and are exposed to the teams that need them for triage, analysis, and incident response.\n\nOwn detection on the application protection layer - account takeover, credential stuffing, and abuse patterns against a two-sided marketplace.\n\nBuild the triage layer - enrichment, correlation, containment, evidence capture - working toward a median alert that resolves without a human touching it. Use LLM and agentic tooling where it earns its place, and own the verification layer that makes that output trustworthy.\n\nBuy the tool where a tool is right, build where it isn't, and extend where it's close. You'll ship code in a repo, not only configure consoles.\n\nExtend detection coverage to Angi's agentic AI products: what anomalous behavior looks like for an autonomous agent holding calendar and account access - prompt injection attempts, tool-call abuse, data exfiltration through the agent surface.\n\nActively participate in all facets of the incident response lifecycle by participating in a 24/7 on-call rotation.\n\nOwn the technical controls InfoSec retains for detection within compliance frameworks such as PCI DSS (tamper-detection monitoring, log integrity, alerting coverage).\n\nPartner with platform and product teams so new services ship with telemetry, threat models, and response playbooks. You will be in the room when these are designed, not brought in after the fact.\n\nWho you are:\nYou have 5+ years of experience working on a security team supporting product/engineering functions, cloud infrastructure, and corporate infrastructure development\n\nYou have software engineering experience (Python preferred) and an engineering mindset for building reliable / maintainable security infrastructure to support a large organization with CI/CD software engineering practices\n\nYou are at home in the analytics and observability stack detections get measured on - Grafana, Looker, NewRelic or similar. You will build your own coverage and precision dashboards rather than filing a ticket for them.\n\nHands-on with AWS and infrastructure-as-code (Terraform, CloudFormation, or equivalent); working knowledge of EDR, SIEM, and SOAR platforms and their APIs.\n\nHands-on with containers and Kubernetes, including what detection and forensics look like on that surface.\n\nSound build-versus-buy judgment with no allergy to either answer. You reach for what exists when it fits, and you're comfortable wrapping, extending, or replacing it when it doesn't.\n\nYou've owned incidents end to end - page, diagnosis, fix, postmortem.\n\nSome level of exposure to LLM/agentic system security (prompt injection, agent identity, data exfiltration via AI systems).\n\nA daily, fluent user of AI-assisted coding/security tools. You are able to speak concretely about how you direct and verify AI output.\n\nStrong written communication: you'll write detection documentation, postmortems, and design feedback that other engineers rely on.\n\nComfort executing the technical side of a compliance framework (PCI, SOX, or similar) is preferred.\n\nCompensation & Benefits\nThe base salary band for this position ranges from $150,000 - $225,000, commensurate with experience and performance. Compensation may vary based on factors such as geographic location.\n\nThis position will be eligible for a competitive year end performance bonus & equity package.\n\nFull medical, dental, vision package to fit your needs.\n\nFlexible vacation policy; work hard and take time when you need it.\n\nPet discount plans & retirement plan with company match (401K).\n\nThe rare opportunity to work with sharp, motivated teammates solving some of the most unique challenges and changing the world.\n\nWe value diversity\nWe know that the best ideas come from teams where diverse points of view uncover new solutions to hard problems. We welcome and value individuals who bring diverse life experiences, educational backgrounds, cultures, and work experiences.\nOur hiring process may utilize artificial intelligence (AI) tools to assist in candidate screening and assessment. 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