{"id":1091475,"url":"https://alion.io/job/ki-senior-application-security-engineer-ai","title":"Senior Application Security Engineer (AI)","company":{"id":51448,"name":"Ki","domain":"ki-insurance.com","url":"https://alion.io/company/ki-insurance","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"B","score":84,"open_postings":7,"ghost_share":0,"stale_share":0.571,"repost_share":0.143,"time_to_fill_p50_days":33,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":87000,"max_usd":160000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":36},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"Machine Learning","optional":false},{"name":"OWASP","optional":false},{"name":"OWASP ASVS","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Python","optional":false},{"name":"STRIDE","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-11-13T00:00:00Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-14T06:23:45Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":2,"flags":["repost"],"days_open":44},"description":"Who are we?\nLook at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs.\nKi’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days.\nKi is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years.\nKi’s teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons.\nWhere you come in?\nAs our Senior Application Security Engineer, you’ll empower our engineering and product teams to safely adopt AI and embed robust technical security controls directly into our services and workflows. By designing cloud-native security guardrails and automating processes, you’ll make the secure path the easiest path for our builders.\nYour work will span our entire development lifecycle, protecting everything from agentic LLM integrations to the everyday tools we use. You’ll act as a trusted subject matter expert, collaborating closely across our product groups to foster a proactive, risk-conscious security culture. Through continuous mentorship and forward-thinking threat modelling, you’ll help us securely scale and drive a digital revolution in the global insurance market.\nWhat you will be doing:\nProvide practical implementation advice and guidance on securing AI-powered applications, aligning with frameworks like OWASP ASVS and the OWASP Top 10 for LLM Applications.\nLead threat modelling sessions for AI and agentic systems during the technical design phase using STRIDE and AI-specific frameworks.\nEstablish secure guardrails, allowlists, telemetry, and safe-by-default configurations for developer AI tooling.\nManage security testing workflows in the SDLC, utilizing scanners to check for standard and AI-specific risks such as prompt injection and data leakage.\nCoordinate regular penetration tests, vulnerability triage, and cloud security posture management across GCP and Azure platforms.\nAutomate security tasks by contributing code to infrastructure and security tooling around our cloud platforms.\nFoster secure practices by facilitating the Security Champions network, organizing security discussions, and delivering AI tooling safety training.\nShare expertise, document processes, and mentor team members to build security capability across engineering.\nProvide constructive feedback on Ki’s architecture and lead technical security discussions.\nRequirements\nStrong ability to write and review code (preferably in Python, TypeScript, Kotlin and Terraform), with a background in software development, SRE, DevOps, or practical security engineering.\nIn-depth understanding of securing AI/LLM applications, agentic tooling, and developer AI tools, including prompt injection mitigation, model integration risks, guardrails, telemetry, and the use of frontier models via APIs or locally.\nPractical experience with agentic development using coding harnesses is essential.\nSolid knowledge of major public cloud providers (preferably Google Cloud Platform, with Azure or AWS as beneficial) and network infrastructure.\nSolid understanding of the Kubernetes ecosystem, Docker, and container security.\nExperience implementing and managing security testing programs (SCA, SAST, DAST) within pipelines like GitHub Actions, alongside release packaging and artifact management.\nCapability to develop secure, automated infrastructure using Terraform.\nYou enjoy learning about both the offensive and defensive aspects of security.\nAbility to work collaboratively within enterprise-wide agile development environments.\nOutstanding communication skills (both written and verbal), with the ability to explain complex vulnerabilities to technical teams and business stakeholders, share knowledge, and mentor colleagues.\nBenefits\nBenefits\nYou’ll get a highly competitive remuneration and benefits package. This is kept under constant review to make sure it stays relevant. We understand the power of saying thank you and take time to acknowledge and reward extraordinary effort by teams or individuals.\nWhat to expect during the recruitment process:\nInitial recruiter screening call\nInterview with hiring manager\nTechnical Interview (this may vary depending on the role)\nValues Interview","description_format":"text","description_chars":4673,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Application Security","Property & Casualty Insurance"],"lifecycle":[{"event":"open","at":"2026-09-21T14:26:44Z"},{"event":"close","at":"2026-09-28T11:03:50Z"},{"event":"reopen","at":"2026-10-01T23:31:44Z"},{"event":"close","at":"2026-11-03T14:20:01Z"},{"event":"reopen","at":"2026-11-13T18:57:41Z"}],"visa":[],"liveness":{"score":30,"band":"fade","label":"Fading","p_open":1,"p_active":0.547,"p_room":0.55,"age_days":44,"expected_fill_days":33,"reasons":["conf:5","repost:2","win:tail"],"computed_at":"2026-11-14T05:58:10Z"},"pay":null,"html_url":"https://alion.io/job/ki-senior-application-security-engineer-ai","json_url":"https://alion.io/job/ki-senior-application-security-engineer-ai.json","meta":{"generated_at":"2026-11-14T14:28:49Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":15368,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":51448},"rest":"https://alion.io/mcp/rest/get_company?id=51448"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fki-senior-application-security-engineer-ai"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fki-senior-application-security-engineer-ai"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fki-senior-application-security-engineer-ai"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/ki-senior-application-security-engineer-ai\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fki-senior-application-security-engineer-ai"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1091475}},{"tool":"search_jobs","arguments":{"company":"ki-insurance.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1091475},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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