{"id":72906,"url":"https://alion.io/job/mirantis-principal-hpc-network-engineer-remote-in-the-eu-2","title":"Principal HPC Network Engineer (remote in the EU)","company":{"id":5338,"name":"Mirantis","domain":"mirantis.com","url":"https://alion.io/company/mirantis","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":21,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Networking","role_family":"Networking","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":["BG","DE","FR","AT","BE","HR","CY","CZ","DK","FI","HU","IE","IT","NL","PL","RO","ES","SE","EE","GR","LV","LT","LU","MT","PT","SK","SI"],"hiring_countries_total":27,"salary":null,"salary_estimate":{"min_usd":42000,"max_usd":110000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":205},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Bash","optional":false},{"name":"BGP","optional":false},{"name":"FortiGate","optional":false},{"name":"HPC","optional":false},{"name":"InfiniBand","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Machine Learning","optional":false},{"name":"MPI","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Splunk","optional":false},{"name":"TCP/IP","optional":false},{"name":"Terraform","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-08-03T10:29:33Z","employer_posted_date":"2026-08-03","last_verified_at":"2026-10-27T18:13:26Z","board_verified":true,"closed_at":null,"days_open":85,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":85},"description":"Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment-on-premises, in the cloud, at the edge, or in sovereign data centers. As enterprises navigate the growing complexity of AI-driven workloads, Mirantis delivers the automation, GPU orchestration, and policy-driven control needed to manage infrastructure with confidence and agility. Committed to open standards and freedom from lock-in, Mirantis ensures that customers retain full control of their infrastructure strategy.\nMirantis serves many of the world’s leading enterprises, including Adobe, DocuSign, Liberty Mutual, PayPal, Reliance Jio, Societe Generale, Splunk, and Volkswagen. Learn more at www.mirantis.com.\n We are seeking a highly skilled Senior HPC Networking Engineer to design, deploy, manage, and troubleshoot high-performance networking environments. The ideal candidate will have deep expertise in InfiniBand technologies, strong general networking knowledge, and hands-on experience with Fortinet solutions. You will play a critical role in ensuring the performance, reliability, and scalability of HPC infrastructure.\nKey Responsibilities:\nDesign, deploy, and maintain high-performance network infrastructures for HPC environments, with a strong focus on InfiniBand fabrics.\nTroubleshoot complex network issues across InfiniBand and Ethernet environments, ensuring minimal downtime and optimal performance.\nManage and optimize InfiniBand components, including switches, HCAs, subnet managers, and fabric configurations.\nPerform performance tuning, monitoring, and capacity planning for HPC networking systems.\nImplement and maintain network security using Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer).\nDiagnose and resolve issues related to routing, switching, latency, and throughput across hybrid network environments.\nCollaborate with compute, storage, and platform teams to support HPC workloads and cluster operations.\nDevelop and maintain documentation for network architecture, configurations, and operational procedures.\nParticipate in on-call rotations and provide escalation support for critical incidents.\nLead or contribute to network upgrades, migrations, and new deployments.\n Required:\n5+ years of experience in network engineering, with a focus on HPC or data center environments.\nStrong hands-on experience with InfiniBand technologies (e.g., Mellanox/NVIDIA).\nSolid understanding of networking fundamentals: TCP/IP, routing protocols (BGP, OSPF), VLANs, QoS, and network design.\nProven experience deploying and troubleshooting Fortinet solutions (FortiGate, FortiManager, VPNs, firewall policies).\nExperience with network performance analysis and troubleshooting tools.\nFamiliarity with Linux systems and scripting for automation (e.g., Bash, Python).\nStrong analytical and problem-solving skills.\nPreferred:\nExperience with large-scale HPC clusters or AI/ML infrastructure.\nKnowledge of RDMA, MPI, and low-latency networking concepts.\nCertifications such as FCSS/FCNSP (Fortinet), CCNP/CCIE, or equivalent.\nExperience with automation and Infrastructure as Code tools (e.g., Ansible, Terraform).\nSoft Skills:\nStrong communication and collaboration skills.\nAbility to work independently and handle complex technical challenges.\nDetail-oriented with a proactive approach to problem-solving.\n What We Offer:\nOperate some of the most advanced AI infrastructure environments in production today.\nWork with the latest NVIDIA GPU technologies, Kubernetes platforms, and high-performance networking environments.\nHelp define operational standards and reliability practices for next-generation AI infrastructure services.\nInfluence the adoption of AI-powered operational capabilities through k0rdent AI.\nWork alongside highly skilled engineers solving complex infrastructure and platform challenges at scale.\nJoin a growing organisation investing heavily in AI infrastructure, platform services, and operational innovation.\nWe are a Leader for Container Management in G2 (#2 after AWS)!\nWe are a Leader for Container Management in G2 (#2 after AWS)!","description_format":"text","description_chars":4423,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Bulgaria","iso":"BG","kind":"country"},{"name":"Germany","iso":"DE","kind":"region"},{"name":"France","iso":"FR","kind":"region"},{"name":"Austria","iso":"AT","kind":"region"},{"name":"Belgium","iso":"BE","kind":"region"},{"name":"Croatia","iso":"HR","kind":"region"},{"name":"Cyprus","iso":"CY","kind":"region"},{"name":"Czech Republic","iso":"CZ","kind":"region"},{"name":"Denmark","iso":"DK","kind":"region"},{"name":"Finland","iso":"FI","kind":"region"},{"name":"Hungary","iso":"HU","kind":"region"},{"name":"Ireland","iso":"IE","kind":"region"},{"name":"Italy","iso":"IT","kind":"region"},{"name":"Netherlands","iso":"NL","kind":"region"},{"name":"Poland","iso":"PL","kind":"region"},{"name":"Romania","iso":"RO","kind":"region"},{"name":"Spain","iso":"ES","kind":"region"},{"name":"Sweden","iso":"SE","kind":"region"},{"name":"Estonia","iso":"EE","kind":"region"},{"name":"Greece","iso":"GR","kind":"region"},{"name":"Latvia","iso":"LV","kind":"region"},{"name":"Lithuania","iso":"LT","kind":"region"},{"name":"Luxembourg","iso":"LU","kind":"region"},{"name":"Malta","iso":"MT","kind":"region"},{"name":"Portugal","iso":"PT","kind":"region"},{"name":"Slovakia","iso":"SK","kind":"region"},{"name":"Slovenia","iso":"SI","kind":"region"}],"hiring_excludes":[],"relocation_offered":false,"industries":["DevOps & Platform Engineering","Cloud Platforms (IaaS & PaaS)"],"lifecycle":[{"event":"open","at":"2026-08-03T10:29:33Z"}],"visa":[],"liveness":{"score":10,"band":"cold","label":"Long shot","p_open":1,"p_active":0.279,"p_room":0.35,"age_days":84,"expected_fill_days":26,"reasons":["conf:1","stale_co","evergreen","velocity","win:tail"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/mirantis-principal-hpc-network-engineer-remote-in-the-eu-2","json_url":"https://alion.io/job/mirantis-principal-hpc-network-engineer-remote-in-the-eu-2.json","meta":{"generated_at":"2026-10-27T21:23:47Z","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":12749,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":5338},"rest":"https://alion.io/mcp/rest/get_company?id=5338"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmirantis-principal-hpc-network-engineer-remote-in-the-eu-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%2Fmirantis-principal-hpc-network-engineer-remote-in-the-eu-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%2Fmirantis-principal-hpc-network-engineer-remote-in-the-eu-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/mirantis-principal-hpc-network-engineer-remote-in-the-eu-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmirantis-principal-hpc-network-engineer-remote-in-the-eu-2"}]}