Design & Implementation Specialist

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.

Key Responsibilities

• Design and deliver complex, high-impact network security solutions across multiple platforms and customer environments.
• Provide technical leadership, consultancy, and design authority across concurrent projects, guiding key technical decisions.
• Produce end-to-end security designs including HLD/LLD, proof of concepts, and configuration guidelines.
• Define technical strategy for network security platforms and customer solutions, managing technical risk.
• Establish and promote design best practices and reusable design patterns.
• Approve and sign off critical design changes on major platforms and customer solutions.
• Drive innovation, scalability, and efficiency through design re-use and improved processes.
• Estimate and plan technical resources for complex projects.
• Lead or coordinate virtual matrix teams and third-party technical contributors where required.
• Influence senior stakeholders and contribute to vendor selection and technical direction.
• Act as a senior technical point of contact and provide mentorship to others.

Requirements

• Experience of minimum two vendor technologies: Cisco Security, Check Point, Palo Alto (including Prisma), Fortinet, F5.
• Security-related certifications such as Cisco (CCNA/CCNP/CCIE), Check Point (CCSE/CCSM), Palo Alto, Fortinet, F5.
• Extensive experience in network security design across complex, multi-platform environments.
• Strong background in high-risk, high-impact security solutions and customer-facing projects.
• Proven ability to create HLD/LLD documentation and technical security designs.
• Experience developing proof of concepts and technical configuration standards.
• Ability to define technical strategy and make design authority decisions.
• Strong understanding of design governance, best practices, and reusable architecture patterns.
• Experience managing technical risk on large-scale platforms.
• Capability to plan resources and support complex project delivery.
• Experience working with senior stakeholders in multi-vendor environments.
• Strong problem-solving skills in advanced network/security environments.
• Experience mentoring others and providing technical leadership.
• Experience designing and deploying network and security services for large organisations.
• Knowledge of IP networking and security-related technologies.

Nice-to-have

• Experience influencing technical direction at platform or domain level.
• Involvement in vendor selection or evaluation processes.
• Experience working in large-scale, enterprise or service provider environments.
• Background in cross-domain or cross-portfolio solution design.
• Experience contributing to transformation or design standardisation initiatives.
• Recognition as a technical subject matter expert beyond the immediate team.

Stakeholder/ Communication skills

• Able to deliver significant stakeholder influence to resolve problems. Expected to give technical guidance to others to help resolve issues outside of the domain of the role.

• Provides thought leadership to senior internal stakeholders and customers regarding the overall future platform and/or customer solutions.

• Acts as a point of contact for technical expertise to advise senior stakeholders, internal and external. 

Business expertise /Commercial impact

• Expert user of design tools; seeks opportunities to develop new design tools for BT, and for external adoption.

• Makes authoritative recommendations on design tools and processes for network platforms and/or customer solutions, where appropriate.

• Able to solve problems typically specific to leading edge high impact and high risk network platforms and/or customer solutions.

• Impact of decisions are specific to the design strategy and/or direction for leading edge high risk and high impact network platforms and/or customer solution.

• Evidence of successful transformation measures – e.g. HLD/LLD.

• Mentors and share knowledge with others.

• Positive revenue measures for P&SD roles.

• Efficient cycle time

Stakeholders

• This role has no direct reports but will potentially lead a large matrix team. Key Stakeholders:

• Customer

• BT

• Solution Hubs (in SS&SP)

• Service Management

• Service Operations (3rd and 4th line customer support)

• Service Transition (GFS, O&I and Programme / Project Managers)

• Solution Pillars and Service Designers (in DS)

• Enterprise

• Portfolio leaders

Additional Allowances & Benefits

•    Attractive salary

•    Cafeteria package  - HUF 600,000/ year

•    Performance-based bonus

•    Company car or car allowance

•    Comprehensive private health care package for all the employees, which can be extended to family members

•    Nursery support for mothers returning from maternity

•    Extended paternity leave: 10+10 day fully paid days

•    Commuting allowance

•    Home office allowance

•    Employee discount opportunities

 Flexibility:

•    Family-friendly culture

•    Smart working approach (hybrid working model, 3 together, 2 wherever)

A few points to note

Although these roles are listed as full-time, if you’re a job share partnership, work reduced hours, or any other way of working flexibly, please still get in touch.

Please note that as part of our recruitment process, we conduct background checks, which include verification of the highest educational qualification. Additionally, for certain positions, a certificate of good conduct may be requested following a successful application.

Don’t meet every single requirement?

Studies have shown that women and people who are disabled, LGBTQ+, neurodiverse or from ethnic minority backgrounds are less likely to apply for jobs unless they meet every single qualification and criteria. We're committed to building a diverse, inclusive, and authentic workplace where everyone can be their best. So, if you’re excited about this role but your past experience doesn’t align perfectly with every requirement in the Job Description, please apply anyway – you may just be the right candidate for this or other roles in our wider team.