{"id":191886,"url":"https://alion.io/job/mastercard-principal-software-engineer-7","title":"Principal Software Engineer","company":{"id":252,"name":"Mastercard","domain":"mastercard.com","url":"https://alion.io/company/mastercard","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":94,"open_postings":254,"ghost_share":0.016,"stale_share":0.358,"repost_share":0.094,"time_to_fill_p50_days":21,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","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":108000,"max_usd":212000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":46},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"Chef","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker Compose","optional":false},{"name":"Dynatrace","optional":false},{"name":"GCP","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Go","optional":false},{"name":"Grafana","optional":false},{"name":"Helm","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Prometheus","optional":false},{"name":"Python","optional":false},{"name":"Ruby","optional":false},{"name":"Splunk","optional":false},{"name":"Terraform","optional":false},{"name":"Docker","optional":true}],"status":"live","first_seen_at":"2026-09-02T17:51:06Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-10-18T07:19:54Z","board_verified":true,"closed_at":null,"days_open":45,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":45},"description":"Our Purpose\nMastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.\nTitle and Summary\nPrincipal Software EngineerJoin Mastercard’s Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on-prem data centers and the cloud using Terraform, Chef, Ansible and other exciting tools.Role\nIn this role you will enable automation, deployment and management of critical high-volume infrastructure into public and private cloud environments. You will work with global engineering teams to drive DevOps initiatives across the platform utilizing a highly scalable architecture leveraging enterprise tools and technologies.\nThis is a unique opportunity to shape the future of Mastercard’s infrastructure automation -advancing innovative, high-performance solutions and driving engineering and operational excellence across the organization.\nAutomate, provision and manage public and on-prem cloud infrastructure, including containerized and virtualized systems\nPlan, build, and optimize CI/CD pipelines to enable fast, safe, and repeatable delivery of complex distributed systems across a global network of data centres.\nCollaborate in cross-functional teams to automate deployments, troubleshoot complex issues, and support new product initiatives\nChampion Infrastructure as Code principles using tools like Terraform Enterprise, Ansible and Chef\nDrive observability and reliability through monitoring, logging, and alerting systems (Prometheus, Grafana, Druid, Splunk etc.).\nFoster innovation and continuous improvement, adopting new tools and practices to increase efficiency, scalability, and cost optimization.\nHands-on coding of automation efforts in Go Lang\nPartner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.\nAll About You\n10+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.\nStrong Linux systems administration background\nDeep familiarity with cloud environments either AWS, Azure or GCP\nProven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose).\nHands-on experience with Terraform Enterprise, Ansbile and Chef\nStrong understanding of CI/CD pipelines (GitHub Actions, Jenkins etc.).\nProficient in scripting and programming (Bash, GoLang Python, Ruby ).\nExperience with monitoring and observability platforms (Prometheus, Grafana, Splunk, Dynatrace).\nExcellent communication skills and the ability to work effectively with Product, Developers and Operations teams.\n• Demonstrated ownership mindset, prioritization skills, and ability to thrive in a fast-paced, multi-tasking environment.\nCorporate Security Responsibility\nAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:\nAbide by Mastercard’s security policies and practices;\n\nEnsure the confidentiality and integrity of the information being accessed;\n\nReport any suspected information security violation or breach, and\n\nComplete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.","description_format":"text","description_chars":3784,"description_truncated":false,"requirements":{"experience_years_min":10,"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":["Cards & Card Issuing","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-09-02T17:51:06Z"},{"event":"close","at":"2026-09-10T13:18:55Z"},{"event":"reopen","at":"2026-09-21T14:56:23Z"},{"event":"open","at":"2026-10-12T05:37:38Z"}],"visa":[],"liveness":{"score":19,"band":"cold","label":"Long shot","p_open":1,"p_active":0.675,"p_room":0.28,"age_days":44,"expected_fill_days":21,"reasons":["conf:1","wave","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/mastercard-principal-software-engineer-7","json_url":"https://alion.io/job/mastercard-principal-software-engineer-7.json","meta":{"generated_at":"2026-10-18T09:01:41Z","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":13439,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":252},"rest":"https://alion.io/mcp/rest/get_company?id=252"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmastercard-principal-software-engineer-7"},{"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%2Fmastercard-principal-software-engineer-7"},{"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%2Fmastercard-principal-software-engineer-7"},{"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/mastercard-principal-software-engineer-7\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmastercard-principal-software-engineer-7"}]}