{"id":727087,"url":"https://alion.io/job/cmgx-site-reliability-engineer","title":"Site Reliability Engineer","company":{"id":673591,"name":"Capital Markets Gateway","domain":"cmgx.io","url":"https://alion.io/company/cmgx","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":83,"open_postings":3,"ghost_share":0,"stale_share":0.667,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"full_time","work_mode":"hybrid","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":180000,"period":"year","method":"role_country_seniority_unknown","sample_n":188},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Alertmanager","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"Datadog","optional":false},{"name":"Docker","optional":false},{"name":"Grafana","optional":false},{"name":"Incident Management","optional":false},{"name":"Jira","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Loki","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Terraform","optional":false},{"name":".NET","optional":true},{"name":"C#","optional":true},{"name":"ElasticSearch","optional":true},{"name":"FluxCD","optional":true},{"name":"GitHub","optional":true},{"name":"GraphQL","optional":true},{"name":"Istio","optional":true},{"name":"Redis","optional":true},{"name":"Service Mesh","optional":true},{"name":"Terragrunt","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-05-29T10:29:01Z","employer_posted_date":"2026-05-29","last_verified_at":"2026-10-17T20:18:02Z","board_verified":true,"closed_at":null,"days_open":141,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":140},"description":"The Company\nCapital Markets Gateway LLC (CMG) is a capital markets-focused fintech transforming global equity capital markets (ECM) through data, technology, and connectivity. As the preferred source for ECM analytics and the first network connecting the buy-side and sell-side for ECM workflows, we are committed to reshaping how capital markets operate. Founded in 2017 by a team of ECM practitioners, CMG has completed three successful fundraising rounds and is backed by a group of the world’s most prestigious financial institutions. The CMG platform is currently relied upon by 25 global investment banks and 135 asset managers representing $40 trillion in AUM. For more information, please visit www.cmgx.io.\nThe Role\nCMG is looking for a Site Reliability Engineer (SRE) with a strong focus on monitoring, observability, and alerting to ensure the reliability, performance, and scalability of our infrastructure and applications. You will be responsible for designing, implementing, and maintaining monitoring solutions to provide visibility into system health and performance, proactively detect anomalies, and reduce incident response time.\nOur Engineering Team\nThe CMG engineering team consists of domain experts who work collaboratively within a culture of cross-domain knowledge sharing. We value engineers who are passionate about modern technologies and best practices.\nOur engineers are encouraged to challenge the status quo and are constantly seeking improvement and efficiency in our code-base and platform. CMG engineers are empowered to explore solutions using bleeding edge technologies such as AI and bring recommendations to the table. We are in a period of making impactful engineering decisions.\nAs part of our process, we believe in taking the time for research and prototyping - this is critical in making the right decisions. Given the experience of our team, we have naturally adopted best practices from local development, through code review and into production rollouts. Besides the standard pull requests, test automation, code coverage tracking, containerization, and one-click deployments we are constantly reviewing these foundational components to develop new best practices.\nResponsibilities\nMonitoring & Observability\nDesign, implement, and maintain monitoring and observability solutions using tools like Prometheus, Grafana Stack (Loki/Grafana/Tempo/Alert Manager), Datadog, and OpenTelemetry. \nDefine and implement SLOs, SLIs, and error budgets to measure system reliability. \nDevelop and optimize dashboards, alerts, and reports for system performance and business metrics. \nAlerting & Incident Management\nDesign actionable alerting strategies to minimize noise and improve MTTR. \nIntegrate alerting systems with Jira. \nEstablish and refine runbooks for on-call teams to handle alerts efficiently. \nEmpower teams to ensure observability coverage and incident response practices. \nPerformance Optimization\nAnalyze system performance metrics, identify bottlenecks, and implement optimizations to improve system efficiency, scalability, and cost-effectiveness. \nHelp conduct load testing and capacity planning to ensure systems can handle peak traffic loads. \nAutomation and Tooling\nIdentify opportunities for automation and develop tools to streamline operational processes, such as fail-over, configuration management, and monitoring. \nImplement monitoring and alerting systems within automations to detect and resolve issues proactively. \nCollaboration and Communication\nCollaborate closely with cross-functional teams, including software engineers, operations, and infrastructure teams, to understand system requirements, provide technical guidance, and drive solutions. \nCommunicate effectively to stakeholders about system changes, incidents, and improvements. \nFoment and spread SRE principles and practices across company.\nQualifications\nProven experience as a Site Reliability Engineer or similar role. \nProficiency in logging, metrics, and tracing frameworks (DataDog, Loki, Prometheus, OpenTelemetry). \nExperience with cloud platforms (Azure preferred) and infrastructure-as-code tools (e.g., Terraform). \nStrong programming and scripting skills (Python, Bash). \nProficiency in containerization technologies and orchestration tools (Docker, Kubernetes). \nUnderstandingof Linux-based systems, networking, and security principles related to containerized applications. \nStrong problem-solving and troubleshooting skills, with a passion for identifying and resolving complex technical issues. \nExcellent communication and collaboration abilities. \nAbility to thrive in a fast-paced, constantly evolving environment. \nExperience with PostgreSQL monitoring and optimization (Optional/Nice to have).\nIf you're passionate about building resilient financial systems, optimizing observability at scale, and solving real-world reliability challenges in capital markets, we’d love to have you on our team!\nOur Tech Stack\nAzure as an infrastructure provider. We are reviewing secondary cloud options. \nDocker + Kubernetes for microservice orchestration using Istio service mesh. \nPostgreSQL for relational db, ElasticSearch for indexing, Redis for caching. \nDataDog, Grafana and OpenTelemetry for observability. \nGitHub for our Version Control and CI (with our own runners). \nCD: Harness and FluxCD. \nTerraform and Terragrunt as IaaC. \nPython and bash for scripting infrastructure. \nReact - We’re all in on React - we maintain multiple single-page React apps.\nTypeScript - 99% of our codebase is TypeScript. \nLatest .NET version for our backend services. \nGraphQL - Our standard for API communication is GraphQL served by our DotNet Back-End.\nOur Values\nWe innovate with purpose \nWe focus on outcomes vs. output \nWe believe diverse and inclusive teams fuel innovation \nWe are humble yet candid \nWe do right by the customer \nWhat We Offer\nEquity\n\nUnlimited PTO (28 days including bank holidays + unlimited additional paid leave)\n\nComprehensive benefits program managed by Globalization Partners\n\nPremium life and income protection\n\nTop private medical and dental insurance\n\nEmployee Assistance Program (EAP)\n\nPension contributions\n\nHybrid work environment (initially remote until office setup is complete)\n\nEducation reimbursement\n\nContinuous learning opportunities\n\nEmployee referral bonus\n\nParental leave","description_format":"text","description_chars":6344,"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":["Continuous learning","Dental insurance","Equity","Hybrid work","Parental leave","Unlimited PTO"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Software & Embedded Finance","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-11T08:42:08Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.213,"p_room":0.28,"age_days":140,"expected_fill_days":33,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/cmgx-site-reliability-engineer","json_url":"https://alion.io/job/cmgx-site-reliability-engineer.json","meta":{"generated_at":"2026-10-17T22:59:13Z","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":1188,"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":673591},"rest":"https://alion.io/mcp/rest/get_company?id=673591"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcmgx-site-reliability-engineer"},{"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%2Fcmgx-site-reliability-engineer"},{"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%2Fcmgx-site-reliability-engineer"},{"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/cmgx-site-reliability-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcmgx-site-reliability-engineer"}]}