{"id":2821269,"url":"https://alion.io/job/london-stock-exchange-group-application-support-engineer-2","title":"Application Support Engineer","company":{"id":5734,"name":"London Stock Exchange Group","domain":"lseg.com","url":"https://alion.io/company/lseg","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":162,"ghost_share":0,"stale_share":0.988,"repost_share":0,"time_to_fill_p50_days":25,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Support","role_family":"Support","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France","London, United Kingdom"],"countries":["FR","GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":34000,"max_usd":64000,"period":"year","method":"role_country_seniority_unknown","sample_n":141},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Incident Management","optional":false},{"name":"SQL","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-08-17T00:00:00Z","employer_posted_date":"2026-08-17","last_verified_at":"2026-10-28T08:54:25Z","board_verified":true,"closed_at":null,"days_open":72,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":72},"description":"Deliver Level 2 IT support for the CDSClear business, providing hands-on support for in-house trade management and risk platforms across production and test environments.\n\nPartner closely with other CDSClear teams to advance the CDSClear delivery roadmap, including active support of non-production environments.\n\nParticipate in an out-of-hours on-call rota, ensuring continuity and resilience of critical clearing services.\n\nSupport extended clearing operations as part of a late-shift Site Reliability Engineering rota (up to 10:30 pm London time) to accommodate increased US trading hours, with scope evolving as the global support model matures.\n\nBe responsible for the operational health of all CDSClear production and UAT environments, ensuring agreed service levels are consistently met.\n\nLead front-to-back operational support for CDSClear-aligned and non-aligned applications and infrastructure, maintaining day-to-day service stability.\n\nBuild strong working relationships with CDSClear First Line Risk, Operations, and Customer Success teams, ensuring functional and operational requirements\n\nProactively align IT teams with business and production events, ensuring required IT activities are identified, planned, and performed effectively\n\nOwn and maintain standard operating procedures before, during, and after daily clearing sessions to meet service expectations of LCH members and clients\n\nRun CDSClear test environments (IUA, EUA), ensuring availability, performance, and stability targets are met across all supported applications\n\nSupervise CDSClear IT Support team activity and optimise workload allocation across BAU support, project work, shift coverage, on-call duties, and business events\n\nCoordinate and implement Disaster Recovery testing, ensuring compliance with Business Continuity and resilience standards\n\nLead incident management activities, including timely escalation, cross-team coordination, resolution, and remediation\n\nOwn organisational change for CDSClear applications, coordinating delivery schedules, aligning with the enterprise change calendar, and ensuring quality gates are met prior to deployment\n\nDrive a continuous improvement culture to strengthen production stability and operational efficiency. Contribute to IT Change and Governance forums to prioritise enhancements supported by clear cases\n\nCollaborate with development teams to improve release reliability and automation, using the approved LSEG DevOps toolset\n\nLead capacity and performance management, improving monitoring capabilities to ensure platforms scale in line with business growth, increased volumes, and new product launches\n\nMaintain hands-on technical expertise across the CDSClear estate, including Unix, SQL, Control-M, web services, and networking technologies. Exposure to AWS is advantageous.\n\nCoordinate IT risk management activities for the CDSClear information system, including remediation of risk appetite actions and Internal Audit findings.\n\nAct as the primary IT interface to Information Security, ensuring vulnerabilities across applications and infrastructure are identified, prioritised, and remediated.\n\nCareer Stage:\nSenior AssociateLondon Stock Exchange Group (LSEG) Information:\nJoin us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.\nLSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.\nOur purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.\nWorking with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.\nWe are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.\nYou will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.\nLSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.\nPlease take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.\nIf you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.","description_format":"text","description_chars":5727,"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":["Paid volunteering days","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Providers & Datasets","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-18T17:35:16Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.239,"p_room":0.28,"age_days":72,"expected_fill_days":25,"reasons":["conf:12","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/london-stock-exchange-group-application-support-engineer-2","json_url":"https://alion.io/job/london-stock-exchange-group-application-support-engineer-2.json","meta":{"generated_at":"2026-10-28T09:20:55Z","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":12197,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":5734},"rest":"https://alion.io/mcp/rest/get_company?id=5734"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flondon-stock-exchange-group-application-support-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%2Flondon-stock-exchange-group-application-support-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%2Flondon-stock-exchange-group-application-support-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/london-stock-exchange-group-application-support-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondon-stock-exchange-group-application-support-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2821269}},{"tool":"search_jobs","arguments":{"company":"lseg.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2821269},"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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