{"id":3383018,"url":"https://alion.io/job/amazon-principal-software-engineer-aws-cloudwatch","title":"Principal Software Engineer, AWS CloudWatch","company":{"id":19,"name":"Amazon","domain":"amazon.com","url":"https://alion.io/company/amazon","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"B","score":78,"open_postings":4454,"ghost_share":0,"stale_share":0.888,"repost_share":0.001,"time_to_fill_p50_days":24,"computed_at":"2026-11-01T06:10:25Z"}},"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":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":109000,"max_usd":227000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":12},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"AWS","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"Prometheus","optional":false},{"name":"Time Series","optional":false},{"name":"Amazon Kinesis","optional":true},{"name":"Amazon S3","optional":true},{"name":"Apache Kafka","optional":true},{"name":"C++","optional":true},{"name":"Java","optional":true},{"name":"Rust","optional":true}],"status":"live","first_seen_at":"2026-10-27T00:00:00Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-01T14:15:27Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Come build the next generation of cloud observability with us. Amazon CloudWatch gives every AWS customer a single platform to send, store, and query metrics from over 70 AWS services alongside their own application telemetry, using OpenTelemetry (OTLP) and PromQL - and the same platform powers observability for Amazon's internal teams and the new CloudWatch Omni experiences. As the Principal Engineer for the CloudWatch metrics platform, you will own its technical vision and architecture end to end - the distributed query engine, the tiered storage and long-term retention systems, and the ingestion and compaction pipeline - and drive its evolution for the OpenTelemetry era. We will look to you to make high-judgment architectural trade-offs across latency, cost, durability, and scale, to set the multi-year technical strategy, and to raise the technical bar across our Dublin engineering team and the wider CloudWatch organization. \nKey job responsibilities\nSet the multi-year technical vision and architecture for the CloudWatch metrics platform - query execution, tiered and long-term storage, and ingestion - and drive it across multiple teams. \nOwn the hardest design decisions on correctness, availability, performance, and cost for a globally available 24x7 service that customers rely on to monitor, alert on, and analyze their systems in real time. \nLead the evolution toward intelligent, adaptive ingestion and make the platform the default OpenTelemetry metrics foundation across Amazon. \nWork backwards from customers - AWS customers, Amazon internal teams, and the Omni experiences - to influence the roadmap and shape how millions of developers and SREs monitor their systems. \nRaise the engineering bar through design and code reviews, operational excellence, and deep dives into the most complex production issues, applying durable fixes. \nMentor and grow senior engineers, and represent CloudWatch metrics in AWS-wide architecture forums and the broader OpenTelemetry/Prometheus community. \nA day in the life\nOn a typical day you might set direction on a hard architectural trade-off in the query engine or storage tiers, deep-dive a customer-impacting performance issue to its root cause, review a senior engineer's design for a storage or compaction challenge no one has solved before, or work with product and leadership to drive this years goals and or iterate on our multi-year roadmap. You translate customer needs into architecture, break ambitious goals into incremental deliverables teams can ship, and are the engineer other principal and senior engineers come to for direct feedback on the hardest problems.\nBasic qualifications\n10+ years of non-internship professional software development experience. \n10+ years designing and architecting new and existing large-scale distributed systems, including design patterns, reliability, and scaling. \nRelevant experience in high-performance storage, time-series/metrics systems, query engines, or database internals. \nExperience setting technical direction across multiple teams and delivering step-function improvements to systems at scale.\nPreferred qualifications\nDeep familiarity with time-series data, metrics systems, and the Prometheus and OpenTelemetry ecosystems. \nExperience with S3-based storage, stream processing (e.g., Kinesis, Kafka), and columnar formats such as Parquet. \nExperience with PromQL or other time-series query languages, query planning, storage compaction, and performance optimization at scale. \nSystems programming experience in Rust, Java, C++, or similar. \nExperience influencing architecture across organizations and mentoring senior engineers. \nAmazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.\nAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.\nOur inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. 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