{"id":1364512,"url":"https://alion.io/job/daylight-customer-success-engineer-cse","title":"Customer Success Engineer (CSE)","company":{"id":35979,"name":"Daylight","domain":"daylight.ai","url":"https://alion.io/company/daylight","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Customer Success","role_family":"Customer Success","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New York, United States","United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"SIEM","optional":false},{"name":"Slack","optional":false}],"status":"live","first_seen_at":"2026-09-28T01:23:39Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-12T01:57:14Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"Daylight delivers Managed Agentic Security Services (MASS), MDR, threat hunting, and a security data lake, through a fundamentally different architecture than traditional security providers.\nOur agentic platform runs the full cycle from detection to response, informed by security experts from IR and threat hunting backgrounds. The platform learns your environment and investigates alerts; experts validate decisions, optimize detections, and take over during incidents.\nThe result: security teams move from firefighting to strategic work.\nWe're looking for a Customer Success Engineer to own the technical relationship with a portfolio of customer security teams, from onboarding through steady-state operation. You'll be the go-to technical partner for our customers' security engineers, answering most questions on the spot and serving as first-line response across shared channels. This is not a ticket-routing role: every Daylight account is a live integration project. You'll work alongside a Customer Success Manager who owns the commercial relationship, while you own the technical one.\nResponsibilities\nExecute onboarding: run the integration checklist against contracted scope, set up escalation paths and on-demand paging, and drive accounts to silent-mode exit with status visible to the customer\nRun stale and non-stale activation tracks separately, keeping onboarding moving without CSM follow-up\nServe as live first-line technical response in shared Slack or Teams channels and the Pylon queue\nConfirm integrations are live, sending data, and that the response policy is active; catch expiring tokens, lapsed permissions, and unannounced new tooling\nRun working sessions with customer security engineers on escalation and response policies, test notification rules end to end, and wire case data into their ticketing until analysts adopt it\nTune detections, false escalations, and the end-to-end case experience\nExplain case dispositions clearly enough to expand response scope from investigations to quarantine and isolation\nMaintain Pylon knowledge base articles, service differentiator docs, escalation policies, and troubleshooting playbooks\nFile field observations in Linear so Product and the SOC see what you see\nDeliver QBR technical content to the CSM ahead of the deck\nEscalate cleanly to the Solutions Architect pool when needed, with the investigation already done\nTravel roughly quarterly for customer visits, company events, or conferences\nRequirements\n4+ years in a customer-facing technical role such as CSE, TAM, Solutions Engineer or Architect, or Implementation Engineer\nBackground in cybersecurity, ideally with experience in security operations, detection and response, MDR, or SIEM/EDR tooling\nStartup or high-growth experience where process is still being built\nAbility to hold a technical conversation with a customer's security engineer independently\nHands-on scripting experience\nWorking knowledge of APIs, SaaS integrations, log pipelines, and modern cloud architecture\nAbility to read logs, trace a workflow, isolate root causes, and communicate findings clearly\nStrong prioritization and written communication skills across multiple accounts\nExperience with structured onboarding and building a customer-facing knowledge base, an advantage","description_format":"text","description_chars":3284,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Company events"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Security Operations","Managed Security","Cybersecurity AI"],"lifecycle":[{"event":"open","at":"2026-09-28T01:34:12Z"}],"visa":[],"liveness":{"score":68,"band":"ok","label":"Likely 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