Network Security Specialist
1 dag geleden
Liberty Global Technology Services BV is a world leader in converged broadband, video, and mobile communications, and an active investor in cutting-edge infrastructure, content, and technology ventures.
We're building Tomorrow's Connections Today, bringing people together through the power of our technology.
Job PurposeYou will ensure the security and integrity of our core and global tier-1 network, implementing industry best practice security protection and monitoring.
The role will work closely with Liberty Global core network architects, engineering, and operational teams to identify improvements and drive Network Hygiene security enhancements.
You will provide specialized skills in case of investigations, translating security findings or deficiencies into security risks and advising the organization on blocking issues and acceptable risk.
Key Responsibilities- Identify and drive improvements on Network Security on the tier-1 core network of Liberty Global.
- Advise our ISP networks to implement similar security measures and monitoring.
- Review and generate technical specifications/documentation.
- Translate, create, and hand over network monitoring use cases and threat playbooks to incident response teams.
- Act as a mentor, technical lead, and escalation point for other engineers.
- Monitor and respond to incidents.
- Solid grasp of Networking, Security, and Monitoring.
- Experience and expertise in securing and protecting large ISP networks.
- Familiarity with network hygiene measures such as BCP38/84 anti-spoofing protection, RPKI, and other BGP routing BCPs, RIRs, and Internet Routing Registries, DNS/DNSSEC, and domain registration.
- Strong grasp of network security vulnerabilities and protections like Denial of Service attacks and mitigation, BGP Hijacking, CoPP, access-lists, Tacacs, Spam/malware/abuse.
- Experience in presenting findings and making recommendations to other operational teams.
- Experience in working with many collaborators to improve security and incident response both internal and external in an international community.
- Demonstrated ability in an ISP environment and Internet security arena.
- Experience with Internet organizations like RIR's and domain name registries and tools like whois/RDAP, RIPE RIS, BGP and DNS monitoring. RIPE NCC certification (Database/BGP security) is a plus.
- Solid understanding of network security, security monitoring, and layers of defense principles.
- Fluency in English (speaking/writing).
- Superb communication skills.
- Extensive knowledge or interest of at least 4 of the following areas:
- Networking, TCP/IP, IPv4/IPv6, and main services used by applications.
- BGP, RPKI, Control Plane Policing (CoPP), DNS/DNSSEC.
- Protection against DOS attacks, amplification factors, and mitigation techniques.
- Security analytics capabilities.
- Experience with monitoring and analytics solutions (e.g. Arbor threat mitigation suite, Splunk, Grafana, Elastic Stack etc...).
- Basic scripting/programming/database skills.
- A great teammate, able to prioritize effectively and work independently well under pressure.
- Working with internal/external working groups to support improving network security and reduce impact of Denial of Service attack factors or other service disruptive activities in our footprint.
- Competitive salary + Bonus.
- 25 days annual leave with the option to purchase 5 more.
- Free access to LinkedIn Learning & Coursera to continue to develop and grow your career with us.
- Company Pension Contributions.
- Free premium subscription to Calm – a renowned well-being & meditation app (NL only).
- Free public transport subscription that can be used for both work and leisure travel on all modes of public transport, anywhere in the Netherlands.
- Subsidy on health insurance premium.
- Company Laptop, Mobile, and Phone Subscription.
Liberty Global is an equal opportunity employer. We embrace diversity and are committed to creating an inclusive environment for our people. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process. We're 100% committed to having a workforce that represents every part of our society. So we're keen to hear from candidates of all background and circumstances.
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