Network Security Engineer

Nebius
Portugal +26 more
Remote

Who this role is best for

Best suited to candidates with hands-on firewall and network security experience working in enterprise and data center environments.

Best fit for

  • Candidates with hands-on firewall experience and deep knowledge of enterprise network security frameworks
    — “Hands-on experience with leading firewall platforms (Palo Alto, Check Point, etc.)”
  • Individuals familiar with Zero Trust and capable of implementing multi-VRF segmentation and secure remote access
    — “Implement and maintain Zero Trust-aligned security architectures for both enterprise and data center networks.”
  • Professionals who can troubleshoot complex routing and switching designs in large-scale data center environments
    — “understand complex routing and switching designs, and be comfortable implementing and troubleshooting these networks.”

Things to consider

  • Must be authorized to work in the country where the role is applied, with no mention of visa sponsorship
    — “Applicants must be authorized to work in the country in which they apply”
  • Role involves maintaining and operating security monitoring tools such as Zabbix and Grafana
    — “Integrate and operate monitoring tools such as Zabbix, Grafana, and Akvorado.”

How to stand out

  • Showcase your ability to integrate NGFWs with identity providers like Microsoft Entra ID
    — “Integrate NGFW platforms with modern identity providers such as Microsoft Entra ID and Okta”
  • Highlight your expertise in large-scale distributed systems and security hardening practices
    — “Experience with large-scale, highly available distributed systems”
  • Demonstrate your proficiency in network automation using Python or Go
    — “Experience with automation using Python, Go, or equivalent.”
  • Include knowledge of commercial or open-source security analytics platforms like Splunk or CrowdStrike
    — “Familiarity with commercial or open-source monitoring, logging, and security analytics solutions such as Splunk; EDR/XDR platforms such as CrowdStrike”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • implement and maintain network security architectures
  • configure and troubleshoot NGFW capabilities
  • integrate monitoring tools
  • perform security hardening and vulnerability management
Typical background
network engineeringcybersecurity

Skills & requirements

Required

Network EngineeringCybersecurityFirewall PlatformsRouting And SwitchingAutomation

Preferred

Ipv6Large-scale Distributed SystemsZero Trust PrinciplesMicro-segmentation

Stack & domain

Network EngineeringCybersecurityPythonGoUnix/linuxCiscoJuniperArubaCcnp/cciePcnseNSE 4/7Network SecurityAI

About the role

Original posting from Nebius

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

What's it like to work at Nebius:

Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI 

Equal Opportunity Statement:

Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.

Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. 

If you need accommodations during the application process, please let us know.

Source: Nebius careers

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