{"id":2242822,"url":"https://alion.io/job/nebius-network-security-engineer","title":"Network Security Engineer","company":{"id":6364,"name":"Nebius","domain":"nebius.com","url":"https://alion.io/company/nebius","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":135,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":null,"work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE","FR","GB","AT","BE","BG","HR","CZ","DK","FI","HU","IE","IT","NL","NO","PL","RO","ES","SE","CH","EE","GR","IS","LV","LI","LT","LU","MT","PT","SK","SI"],"hiring_countries_total":31,"salary":null,"salary_estimate":{"min_usd":87000,"max_usd":255000,"period":"year","method":null,"sample_n":4493},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"DNS","optional":false},{"name":"Grafana","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"MPLS","optional":false},{"name":"Okta","optional":false},{"name":"Python","optional":false},{"name":"TCP/IP","optional":false},{"name":"Unix","optional":false},{"name":"Zabbix","optional":false},{"name":"Zero Trust","optional":false},{"name":"Ansible","optional":true},{"name":"Crowdstrike","optional":true},{"name":"GDPR","optional":true},{"name":"NIST CSF","optional":true},{"name":"Red Teaming","optional":true},{"name":"SaltStack","optional":true},{"name":"Splunk","optional":true},{"name":"Terraform","optional":true},{"name":"Wiz","optional":true}],"status":"live","first_seen_at":"2026-09-14T16:03:51Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-12T06:25:33Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"About Nebius:\nNebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.\nBuilt by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.\nListed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.\nRole Summary\nWe are looking for a Network Security Engineer to join our Network team. This role combines deep expertise in network engineering and cybersecurity. You will help implement end-to-end network security architectures for enterprise and data center backbone/fabric environments, work with network architects and the management team to guide these designs through review and approval with the Security team, and operate and maintain the implemented solutions day-to-day.\nYou are expected to be hands-on with leading firewall platforms (Palo Alto, Check Point, etc.), understand complex routing and switching designs, and be comfortable implementing and troubleshooting these networks.\nResponsibilities\nImplement and maintain Zero Trust-aligned security architectures for both enterprise and data center networks.\nConfigure Layer 3/4 & Multi-VRF Segmentation, Security Policies, Secure Remote access.\nImplement and test large hyper scale DC Security solutions : IPS/NDR solutions , AntiDDOS solutions.\nIntegrate NGFW platforms with modern identity providers such as Microsoft Entra ID and Okta, maintain NGFW management, automation, and logging capabilities required by the Security team.\nImplement and maintain Security Capabilities, including Layer 7 application inspection, IPS, user identification, ZTNA, and SASE integrations.\nIntegrate and operate monitoring tools such as Zabbix, Grafana, and Akvorado.\nRegularly perform security hardening, vulnerability management, and patching and upgrades on network and infrastructure devices, and verify the effectiveness of these procedures.\nRequired Qualifications\nExperience in networking and security protocols (TCP/IP, HTTP(S), DNS, TLS, IPsec, Routing protocols)\n Experience and Knowledge of Backbone & Datacenter technologies (EVPN, L3VPN MPLS, MPBGP, L2VPN..)\nHands-on experience with next-generation firewalls (Palo Alto Networks, Check Point, or similar).\nExperience with automation using Python, Go, or equivalent.\nProficiency in Unix/Linux and experience with major network vendors (Cisco, Juniper, Aruba, etc.).\nExperience configuring and troubleshooting NGFW capabilities and integrations, including IPS, User-ID, Microsoft Entra ID, and ZTNA.\nPreferred Qualifications\nGood knowledge of IPv6.\nExperience with automation tools (Ansible, Terraform, NetBox, SaltStack, etc.).\nExperience with large-scale, highly available distributed systems.\nKnowledge of Zero Trust principles and micro-segmentation approaches.\nRelevant certifications (CCNP/CCIE, PCNSE, NSE 4/7) and professional working proficiency in English.\nFamiliarity with commercial or open-source monitoring, logging, and security analytics solutions such as Splunk; EDR/XDR platforms such as CrowdStrike; and centralized NGFW management platforms such as Panorama, Strata Cloud Manager, and FortiManager.\n Bonus: Exposure to DevSecOps practices (SAST/DAST), CSPM/CWPP platforms such as Wiz, EDR, offensive security (OSCP/CPTS, red teaming), or security frameworks, standards, and regulations such as ISO/IEC 27001, NIST CSF, and GDPR.\nBenefits & Perks:\nCompetitive compensation\nCareer growth and learning opportunities\nFlexibility and ownership\nCollaborative and innovative culture\nOpportunity to work on impactful AI projects\nInternational environment and talented teams\nWhat's it like to work at Nebius:\nFast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI \nEqual Opportunity Statement:\nNebius is an equal opportunity employer. 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