# Network Security Engineer at Nebius

> Remote · Europe · Unspecified · Security · open. Source: https://alderhq.app/jobs/greenhouse%3Anebius%3A4971845101 (read 2026-11-07).

## Facts (observed)

- Company: [Nebius](https://alderhq.app/companies/nebius)
- Location text: Remote - Europe; Remote - Europe
- Where it can be done from (inferred): Remote · Europe (evidence: "Remote role open worldwide")
- Posted: 2026-09-14 (54 days ago)
- First seen by alder: 2026-11-02 · last verified: 2026-11-04
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://careers.nebius.com/?gh_jid=4971845101
- Skills listed (inferred): Python, Go, Terraform, Distributed systems

## Pay and sponsorship

- Posted pay: not posted
- Recognised sponsor (NL): registered as "Nebius B.V." (checked 2026-11-03, [register](https://ind.nl/en/public-register-recognised-sponsors/public-register-regular-labour-and-highly-skilled-migrants))

## Description (the employer's text)

### About Nebius

Nebius 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.

Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.

Listed 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.

### Role Summary

We 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.

You 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.

### Responsibilities

- Implement and maintain Zero Trust-aligned security architectures for both enterprise and data center networks.
- Configure Layer 3/4 & Multi-VRF Segmentation, Security Policies, Secure Remote access.
- Implement and test large hyper scale DC Security solutions : IPS/NDR solutions , AntiDDOS solutions.
- Integrate 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.
- Implement and maintain Security Capabilities, including Layer 7 application inspection, IPS, user identification, ZTNA, and SASE integrations.
- Integrate and operate monitoring tools such as Zabbix, Grafana, and Akvorado.
- Regularly perform security hardening, vulnerability management, and patching and upgrades on network and infrastructure devices, and verify the effectiveness of these procedures.
### Required Qualifications

- Experience in networking and security protocols (TCP/IP, HTTP(S), DNS, TLS, IPsec, Routing protocols)
- Experience and Knowledge of Backbone & Datacenter technologies (EVPN, L3VPN MPLS, MPBGP, L2VPN..)
- Hands-on experience with next-generation firewalls (Palo Alto Networks, Check Point, or similar).
- Experience with automation using Python, Go, or equivalent.
- Proficiency in Unix/Linux and experience with major network vendors (Cisco, Juniper, Aruba, etc.).
- Experience configuring and troubleshooting NGFW capabilities and integrations, including IPS, User-ID, Microsoft Entra ID, and ZTNA.
### Preferred Qualifications

- Good knowledge of IPv6.
- Experience with automation tools (Ansible, Terraform, NetBox, SaltStack, etc.).
- Experience with large-scale, highly available distributed systems.
- Knowledge of Zero Trust principles and micro-segmentation approaches.
- Relevant certifications (CCNP/CCIE, PCNSE, NSE 4/7) and professional working proficiency in English.
- Familiarity 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.
- 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.
### Benefits & Perks

- Competitive compensation
- Career growth and learning opportunities
- Flexibility and ownership
- Collaborative and innovative culture
- Opportunity to work on impactful AI projects
- International environment and talented teams

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Anebius%3A4971845101 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.