{"id":2737314,"url":"https://alion.io/job/qube-research-technologies-senior-security-engineer-2","title":"Senior Security Engineer","company":{"id":706156,"name":"Qube Research & Technologies","domain":"qube-rt.com","url":"https://alion.io/company/qube-research-and-technologies","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":65,"open_postings":181,"ghost_share":0.586,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"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":81000,"max_usd":149000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":32},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Linux","optional":false},{"name":"PKI","optional":false},{"name":"Windows","optional":false},{"name":"HashiCorp Vault","optional":true},{"name":"Microsoft Defender","optional":true},{"name":"Microsoft Entra ID","optional":true},{"name":"Okta","optional":true},{"name":"Splunk","optional":true}],"status":"live","first_seen_at":"2026-10-16T15:52:50Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T13:33:37Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":0},"description":"QRT is a global quantitative and systematic investment manager, operating across all liquid asset classes. We are a data- and technology-driven organization applying scientific methods to investing. Our collaborative culture and focus on innovation enable us to solve complex challenges and deliver high-quality returns for our investors.\nYour future role within QRT\nWe are seeking an experienced Senior Security Engineer to own complex security challenges across QRT’s global environment. This is a senior individual contributor role combining hands-on engineering, technical leadership, mentoring and operational responsibilities.\nThe role is expected to involve the following activities:\nOwn security initiatives from discovery and design through delivery and ongoing operation, coordinating dependencies across teams and regions.\n\nSet technical direction and engineering standards, balancing security, reliability, performance and operational cost.\n\nBuild and improve controls across identity and privileged access, endpoints, cloud and on-premises infrastructure, data protection and security monitoring.\n\nIdentify security weaknesses and attack paths, prioritise them by business impact and deliver practical remediation.\n\nAutomate deployment and operations through APIs, scripting and infrastructure as code, with appropriate testing and rollback procedures.\n\nDeliver resilient, supportable services with effective monitoring, runbooks and recovery procedures. Share responsibility for maintenance, support and troubleshooting.\n\nParticipate in the security on-call rota, responding outside normal working hours as required. Lead complex incident troubleshooting and follow through on corrective actions.\n\nPartner with Security, Infrastructure, IT and development teams to integrate controls and drive adoption. Evaluate technologies through testing and ensure successful operational handover.\n\nMentor junior engineers through coaching and design reviews, acting as a senior technical escalation point.\n\nYour present skillset\nSubstantial security engineering experience in complex enterprise environments, including ownership of major initiatives spanning multiple teams.\n\nDeep practical expertise in several relevant security domains, such as identity, privileged access, endpoint or cloud security, infrastructure hardening, secrets management, PKI, data protection or detection engineering.\n\nStrong understanding of Windows, Linux, Active Directory, modern identity platforms, networking, authentication and hybrid infrastructure.\n\nAbility to work at both architecture and implementation level, with strong automation skills and experience using version control and delivery pipelines.\n\nExperience operating reliable production services, including upgrades, configuration management, monitoring, resilience and recovery.\n\nSound risk judgement, clear communication and the ability to influence stakeholders, resolve dependencies and deliver under ambiguous requirements.\n\nExperience mentoring engineers and providing senior technical support during incidents and in an on-call environment.\n\nDesirable to have experience or a willingness to learn in the following areas:\nQuantitative trading, financial services or other environments with demanding availability and performance requirements.\n\nSecurity services spanning multiple regions, clouds and data centres, including migration from legacy platforms.\n\nTechnologies such as Okta or Microsoft Entra ID, Microsoft Defender and Intune, HashiCorp Vault, PAM platforms, Splunk and cloud-native security services. Equivalent experience is equally relevant.\n\nQRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we offer initiatives and programmes to enable employees to achieve a healthy work-life balance.","description_format":"text","description_chars":3923,"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":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-16T19:30:33Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-17T06:21:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":28,"reasons":["conf:2","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/qube-research-technologies-senior-security-engineer-2","json_url":"https://alion.io/job/qube-research-technologies-senior-security-engineer-2.json","meta":{"generated_at":"2026-10-17T14:51:27Z","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":20104,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":706156},"rest":"https://alion.io/mcp/rest/get_company?id=706156"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fqube-research-technologies-senior-security-engineer-2"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fqube-research-technologies-senior-security-engineer-2"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fqube-research-technologies-senior-security-engineer-2"},{"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/qube-research-technologies-senior-security-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fqube-research-technologies-senior-security-engineer-2"}]}