{"id":1584072,"url":"https://alion.io/job/nexthink-senior-platform-software-engineer-core-infrastructure","title":"Senior Platform Software Engineer - Core Infrastructure","company":{"id":1613,"name":"Nexthink","domain":"nexthink.com","url":"https://alion.io/company/nexthink","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":39,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":58000,"max_usd":111000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":15},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon EKS","optional":false},{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"FedRAMP","optional":false},{"name":"GitOps","optional":false},{"name":"Kubernetes","optional":false},{"name":"OpenTofu","optional":false},{"name":"Terraform","optional":false},{"name":"AI Agents","optional":true},{"name":"Amazon SageMaker","optional":true},{"name":"Flink","optional":true}],"status":"live","first_seen_at":"2026-10-01T08:32:17Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-09T02:55:21Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Nexthink is the leader in digital employee experience management software. The company provides IT leaders with unprecedented insight allowing them to see, diagnose and fix issues at scale impacting employees anywhere, with any application or network, before employees notice the issue. As the first solution to allow IT to progress from reactive problem solving to proactive optimization, Nexthink enables its more than 1,500 customers to provide better digital experiences to more than 25+ million employees. Dual headquartered in Lausanne, Switzerland and Boston, Massachusetts, Nexthink has 9 offices worldwide. \nNexthink helps IT teams delight people at work. Behind that promise sits a platform that takes in trillions of events a day from more than 15 million devices, running on a cell-based architecture that spans AWS regions around the world. The Core Infrastructure team builds and runs the AWS foundation that the whole of engineering depends on. The company has grown from on-prem to cloud and is now making room for new kinds of work, including AI and agent workloads, so there is plenty of genuinely interesting work to do on the layer underneath it all.\n Why this role matters\nAlmost everything the rest of engineering does sits on top of this foundation. Every product team, whether they are working on the AI features or the everyday ones, depends on the networking, the clusters, and the platform you look after being there and behaving. You are not building the features yourself, but you will be the reason the people who do can move quickly and trust the ground they are standing on.\nWhat you will do\nDesign, deploy, and run AWS infrastructure from end to end: from the edge and networking through to the multi-account cell architecture and the EKS platform.\nMove between operational work, automation, requests from other engineering teams, and greenfield design, depending on what the platform needs that week.\nAutomate as much as sensibly possible: the infrastructure-as-code and GitOps that provision, upgrade, and keep the whole estate consistent and free of drift.\nWork closely with the product and feature teams, turning what they need into self-service capabilities and helping them stay autonomous.\nKeep the platform reliable, secure, and cost-effective: upgrades, autoscaling, observability, and security hardening and compliance (FedRAMP, FIPS). You will share the on-call rotation with the rest of the team.\nHelp the architecture grow: design new capabilities and take the platform to the next level of scale, resilience, and new kinds of workload.\nHow we work\nA few things that are true about this team and, we think, make it a good place to build:\nIt is a team with real ownership. You look after your own areas and make the call on what is best for the platform, rather than working through a queue of tickets someone else has written.\nWe do not work in a silo. We spend a lot of time with the teams who build on us, including a good deal of design work together, so the platform grows around what people genuinely need.\nThe scale keeps it interesting. A cell-based setup across several regions on modern AWS tooling is a good deal more involved, and more rewarding, than a single-region estate.\nWe are improving something that already works. The platform is live and doing its job. Our task is to take it from good to really good, so the problems are about pushing things further rather than wiring up the basics.\nLike everyone here we use AI tools day to day, and we are steadily moving the more repetitive operational work onto automation. We would rather have engineers than operators, and we do the automation carefully, because infrastructure is not somewhere to be careless.\n Who you are\nThis matters to us more than any single item on the list below. We are looking for someone who:\nWorks well on their own. You can join a call, understand what a team really needs, and come back with a sensible plan. You think about the problem rather than wait to be told what to do.\nCommunicates clearly and enjoys working with people. Requests come from a lot of directions, and you are comfortable with that. If you have done this in a smaller company or a lean team, that experience counts for a great deal here.\nIs pragmatic and cares about quality. You know when something needs doing now and when it needs doing properly, and you can juggle a few things at once without dropping any of them.\nWhat you will bring\nThe essentials\nA solid cloud infrastructure background and good software-engineering habits, usually around 5+ years as a Platform, DevOps, Software, or Site Reliability Engineer.\nA degree in Computer Science, Engineering or related field; or the equivalent in real experience.\nStrong hands-on AWS across networking, edge, and compute (for example VPC, CloudFront, API Gateway, EKS).\nSolid Kubernetes (ideally Amazon EKS) and infrastructure as code (Terraform or OpenTofu), with a GitOps mindset.\nComfortable moving between operational work, automation, requests from other teams, and new design, and prioritising sensibly across them.\nA production mindset: you care about uptime, security, and efficiency. And you communicate clearly in English.\nNice to have\nExperience in or near a compliance-driven environment (FedRAMP or FIPS is a real plus).\nBuilding self-service internal developer platforms with modern tooling.\nWorking with cell-based or multi-region architectures at scale.\nCurious what we build on?\nHave a look at how Nexthink scales to trillions of events per day with Amazon MSK, powers real-time alerts with Amazon Managed Service for Apache Flink, and builds enterprise AI agents with fine-tuned LLMs on Amazon SageMaker.\nWe are the pioneers and trailblazers of a global IT Market Category (DEX) that is shaping the future of how the world works, giving our customers’ IT Teams total digital visibility across their enterprise. Our innovative solutions integrate real-time analytics, automation, and employee feedback across all endpoints. This enables our IT teams to solve complex technical challenges, create ever more productive workplaces, and deliver happy, satisfied employees in the digital workplace.\nWith over 1200 employees across 5 continents, Nexthink operates as One Team, connecting, collaborating and innovating to continuously grow. We call our employees ‘Nexthinkers’ and our commitment to diversity, inclusion, and equity is second to none. We currently have over 75 nationalities working with us, from all cultures and backgrounds, speaking many different languages\nIf you are looking for a change and like a nice atmosphere, lots of challenges, and having fun while working, this is a great opportunity for you! Check what we offer:\n Permanent Contract and a competitive compensation package.\n Amazing centrally located offices near the Bernabeu Stadium.\n Private Health Insurance (Sanitas) and daily meal vouchers of 11 EUR will be entirely covered by us.\n Hybrid work model balancing office and remote work, with a structured approach for new hires to foster connections and onboarding.\n Flexible Hours and unlimited vacation (employees have unlimited paid time off on top of the 23 days of holidays we offer) plus 3 company-paid volunteer days.\n Up to 25 EUR per month for a gym subscription.\n Flexible compensation plan for childcare & public transportation.\n Reimbursement of up to 50% of the cost of English & Spanish classes.\n Fresh fruit, cookies, soft drinks and protein shakes at the offie.\n Regular company and team events like Pizza talks, Team Building activities, Christmas parties, hosting Meetups at the office and more!\n Bonuses for referring successful hires after three months of continuous employment.\n We offer a relocation package to people who are coming from another country.\nPlease note that not all the benefits listed above are available for temporary, contract, and internship roles. To ensure you have the most up-to-date information, we recommend checking with your Recruitment Partner.\nThe base salary for this role is €65,000 - €80,000 gross per year, with a total on-target earnings (OTE) range of €71,500 - €88,000 including an annual performance bonus. You'll also be part of our broader total rewards package - including benefits tailored to where you live and how you work best.\nWe set our pay ranges using objective criteria: the scope and level of the role, the skills it takes to do it well, and the relevant market data. Ranges are reviewed every year to remain competitive and fair. We're transparent about this because we think you deserve to know what you're working towards from day one. In accordance with the EU Pay Transparency Directive (2023/970), we publish salary ranges on every Nexthink role. We won't ask what you currently earn or your previous salary. What matters to us is what this role is worth and whether it works for you. Nexthinkers come from all kinds of backgrounds, and that's what makes us stronger. 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