Cyber Security Professional

Job Description

About the role

The Cyber Security Ops. Professional supports in activities that ensure the delivery of security solutions, supporting daily global operations in the delivery of regular risk reporting, coordinating compliance review activities, and identifying operational improvements and organisational vulnerabilities and risks.

What you’ll be doing

DDoS Monitoring & Mitigation: Monitor traffic and detect volumetric, protocol, and application-layer attacks.

Traffic Analysis: Use telemetry and threat intelligence to identify anomalies, analyse attack vectors, and adjust rules.

Incident Response: Handle mitigation (routing, scrubbing, blackholing) and prepare RCA reports.

Protocol Execution: Follow incident response processes and ensure service uptime.

Coordination: Work with network teams, ISPs, and customers during incidents and recovery.

Reporting: Document incidents and provide detailed reports.

Rule Tuning: Optimize detection rules to reduce false positives.

SLA Compliance: Ensure adherence to SLAs and response timelines.

Essential Skills

Technical Skills:

Core Networking: OSI, TCP/IP, DNS, HTTP/S, UDP; BGP, Anycast, IPsec/GRE; PCAP/NetFlow analysis.

DDoS & Tools: Cloudflare/Akamai/Radware/AWS Shield; L3/L4 vs L7 attack mitigation.

Incident Response: Handle attacks, lead IR, do root cause analysis.

Experience & Certs: 5+ yrs (Network/SOC/Cloud); Security+ / NCSC / cloud certs.

Desirable Skills / Experience

Arbor Tools: AED, APS, TMS, Sightline (Peakflow), Sightline + DefensePro/APS integration

Core Skills: Strong analytical, problem-solving, communication & documentation

Operations: 24/7 SOC/NOC experience, shift readiness, SLA/KPI adherence, incident timelines

BT Group’s Behaviours

Customer First

Prioritize customer needs in every decision and action.

Challengers

Challenge the status quo and bring innovative ideas to life.

Committed

Own outcomes and deliver with integrity.

Clear

Communicate openly and simply, ensuring alignment.

Connected

Collaborate across teams to achieve shared goals.

At BT International, our purpose is to keep the world connected. As part of BT, we build on almost 180 years of innovation and expertise to deliver secure connectivity and digital services to some of the world’s leading multinational businesses and organisations. Our customers trust us to safeguard their data, drive their digital transformation and keep their businesses running. With colleagues on the ground across the world and supporting customers wherever they need to operate, BT International offers a truly global experience. Whether it’s about providing cloud connectivity, helping organisations collaborate, or enabling innovation in cybersecurity and digital services, you’ll be part of a team that shapes how businesses succeed in a world that is being transformed by AI. If you have the drive and ambition to make an impact on a global stage, BT International is where it happens.