Network Security Specialist

Network Security Specialist

Full-Time 60000 - 75000 £ / year (est.) No working from home possible
Virgin Media Business Ireland

At a Glance

  • Tasks: Secure our global network and drive improvements in network hygiene.
  • Company: Join Liberty Global, a leader in broadband and mobile communications.
  • Benefits: Competitive salary, 25 days leave, and free access to learning platforms.
  • Other info: Diverse and inclusive workplace with excellent career growth opportunities.
  • Why this job: Make a real impact on network security while working with cutting-edge technology.
  • Qualifications: Experience in networking and security, with strong communication skills.

The predicted salary is between 60000 - 75000 £ per year.

ABOUT US
We’re building Tomorrow’s Connections Today, bringing people together through the power of our technology. Liberty Global is a world leader in converged broadband, video and mobile communications and an active investor in cutting-edge infrastructure, content and technology ventures. With our investments in fibre-based and 5G networks we play a vital role in society, currently providing over 85 million fixed and mobile connections and rolling out the next generation of products and services, while readying our networks for 10 Gbps and beyond. We’re creating national champions, combining the best broadband and mobile networks under brands such as Virgin Media-02 in the UK, VodafoneZiggo in The Netherlands, Telenet in Belgium, Sunrise in Switzerland, Virgin Media in Ireland and UPC in Slovakia. Liberty Global Ventures, our global investment arm, has a portfolio of more than 75 companies and funds across content, technology and infrastructure, including strategic stakes in ITV, Univision, Plume, Lionsgate and the Formula E racing series. Our scale enables us to transfer knowledge and expertise across our operations and investments, creating a dynamic family of brands united in the pursuit of innovation and excellence. And we’re prioritising diversity, equity and inclusion in our workplace and communities, while reducing our impact on the environment. We are using technology as a force for good; for our people, our partners and the planet.

JOB PURPOSE
You will assure that our core and global tier-1 network has sound and industry best practice security protection and that the security of these products are monitored. The role will work closely together with Liberty Global core network architects, engineering and operational and global security teams to identify improvements and drive Network Hygiene security improvements and provide specialized skills in case of investigations. The role includes the ability to translate security findings or deficiencies to security risks and advise the organization on blocking issues and acceptable risk.

  • Identify and drive improvements on Network Security on the tier-1 core network of Liberty Global.
  • Identify and 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 tread play books to incident response teams.
  • Act as a mentor, technical lead and escalation point for other engineers.
  • Monitor and respond to incidents.

KEY ACCOUNTABILITIES

  • Serve as an authority on Internet security related questions on topics like Network Hygiene, MANRS, DDoS mitigation, BGP routing and traffic analysis.
  • Trace and identify sources of BGP hijacks, BGP leaks, DDoS, malware or other abuse traffic.
  • Review and update/improve security requirements set in policies/guidelines and make sure that these are following industry best practice.
  • Identify potential areas of improvement and drive implementation.
  • Liaise with the Global Security Operations Centre, LG and external operational teams and other Business units to have the right priorities set for maximum effect.
  • Work with and understand deliverables of external bodies like M3AAWG, CableLabs, RIPE, and other security and standards organizations to assure Liberty Global networks and services follow industry Best Practice regarding Security areas.

We tend to look for people with:

  • 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.

SKILLS & ABILITIES:

  • 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 prioritise 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.

Some of the benefits we offer:

  • 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.

Network Security Specialist employer: Virgin Media Business Ireland

Liberty Blume is an exceptional employer, offering a dynamic hybrid work environment in Leeds that fosters both professional growth and personal well-being. With competitive salaries, generous leave policies, and access to comprehensive health benefits, employees are supported in achieving a healthy work-life balance while being part of an innovative team dedicated to continuous improvement and excellence in service delivery.

Virgin Media Business Ireland

Contact Details:

Virgin Media Business Ireland Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Network Security Specialist

Get Involved in the Cybersecurity Community

Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!

Show Off Your Skills with Capture the Flag Competitions

Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Virgin Media Business Ireland, love seeing candidates who actively engage in these challenges.

Tailor Your Online Presence

Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!

Apply Directly Through Virgin Media Business Ireland

Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Virgin Media Business Ireland. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.

We think you need these skills to ace Network Security Specialist

Network Security
BGP Routing
DDoS Mitigation
Network Hygiene
Security Monitoring
Incident Response
Technical Documentation

Some tips for your application 🫡

Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!

Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!

Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Virgin Media Business Ireland insight into your practical problem-solving abilities and makes your application memorable.

Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Virgin Media Business Ireland that you’re committed to staying ahead in the game.

How to prepare for a job interview at Virgin Media Business Ireland

Sharpen Your Technical Skills

For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.

Prepare for Scenario-Based Questions

Expect the interviewers at Virgin Media Business Ireland to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.

Highlight Your Certifications

Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Virgin Media Business Ireland.

Show Your Passion for Cybersecurity

Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.