Network Design Specialist - ACI

# Network Design Specialist - ACIJob Req ID: 43584Posting Date: 21 Oct 2025Function: Architecture Solution and DesignUnit: BusinessLocation: UK Wide, United KingdomSalary: Competitive Why this job matters Your day to day role is to design and deliver solutions for BT's customers and will specialise in Data Centre technologies specifically Cisco ACI. Our customers are generally external customers so you will be recognised with that enhanced level of visibility and responsibility. What you'll be doing You'll be working as part of a dedicated team that spans the globe. As a Specialist you'll be responsible for delivering Large to Complex designs. Working with other designers you will be the design lead who will be expected to review all components and then deliver the overall design. You will have an expert knowledge of the overall design and will contribute to technical discussions within the team, leading others towards a better understanding and encouraging a dialogue to improve the design principles. You will be required to impart your design principles towards a more senior level, shaping our future direction. We do great things for our customers, and we need all our people to put the customer first. You will promote what we do and understand the customers' needs to relevant solutions. Skills we'd like to see on your CV Strong understanding of ACI hardware and topologies. Experience of setting up an ACI fabric from scratch. Experience in designing and implementing the following ACI logical and physical constructs: Tenant building blocks including the following - + Tenants + VRFs + Bridge Domains + End Point Groups + Application Profiles + Contracts Access Policies including the following - + Pools, Domains and AAEPs + Policies and Policy Groups + Profiles and Selectors Extending Layer 2 outside ACI using L2Outs, L3Outs ACI integrations including vSphere using VDS and implementing Service Graphs Cisco ACI certified - CCNP Data Centre Benefits 10% on target bonus BT Pension scheme, minimum 5% Employee contribution, BT contribution 10% 25 days annual leave (not including bank holidays), increasing with service Huge range of flexible benefits including cycle to work, healthcare, season ticket loan World-class training and development opportunities Option to join BT Shares Saving schemes. Discounted broadband, mobile and TV packages Access to 100's of retail discounts including the BT shopWith over 175 years of heritage, BT is now the flagship business brand of BT Group. We've brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers internationally.We're a global leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it's not just the technology that matters, it's what it can do to help them build stronger, smarter, more secure businesses.We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society. 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.We will also offer reasonable adjustments for the selection process if required, so please do not hesitate to inform us.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 on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.