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IT Infrastructure Specialist

Job Req ID:  53410
Posting Date:  28 Nov 2025
Function:  Architecture Solution and Design
Unit:  Business
Location: 

Belfast N.I, United Kingdom

Salary:  Competitive + Comprehensive Benefits

We operate a hybrid model of 3 days in the office and 2 days working from home, please only apply if you are comfortable with this arrangement.

Why this job matters

Have you ever wanted to shape the future of enterprise networks and digital strategies in a meaningful way? 

 

As part of our Technical Design Practice, you’ll collaborate with customers, support internal teams (Sales, Business, Technology, Security, and Operations), and work with third-party technology providers. Reporting to a Technical Design Manager, you’ll play a key role in delivering transformative solutions. 

 

You’ll be involved in engaging stakeholders to design innovative enterprise network solutions that align with digital strategies and advance business goals. Drawing on robust ICT frameworks, security principles, and industry best practices, you’ll provide architectural expertise and guide projects through from start to finish stages of the design and delivery lifecycle. 

 

Joining an industry-leading technical team, you’ll work alongside architects, designers, and analysts, applying your expertise to tackle unique and unexpected challenges. Together, you’ll create tailored solutions that ensure success for every project.

What you’ll be doing

 

• Will be working on large complex contracts with experience of IT Systems & Storage, Microsoft Operating Systems and Virtualisation, Converged and Hyper-Converged architectures.

• Be recognised as a technical expert in your own discipline with experience of creating HLD’s and LLD’s

• Contribute to the technical direction, including peer review for Major Contracts, design and change projects to deliver high quality and complex technical solutions in a timely manner

• Provide input to internal executive briefings on assurance for complex solutions to management at sign on, midpoint review and sign off

• Personal contribution to customer facing sales units and negotiating in projects ensuring the role has an external focus

• Spend a high proportion of time customer facing, building executive relationships and industry and/or sector expertise

• Contribute to solutions business improvement projects to drive competitive advantage, efficiency, cost transformation and innovation in design lifecycle

• Work closely with governance teams, particularly the Enterprise architect and project management teams and at times business management and business sales teams to maximise customer satisfaction and profitable growth

• Build relationships with virtual technical team leads on technical architecture strategy, transformation, proposal quality, virtual team management, hybrid models with partners, commercials, profitability, tactics and negotiation

The skills you’ll need

Technology Integration
Decision Making
Requirements Analysis
Commercial Acumen
Solution Design

What we'd like to see from your CV

• Experienced in providing a lead technical pre-sales role for large contracts, inputting to cost builds and/or budgets

• Experience working with large customers to design hybrid architectures and transformation of large Complex Solutions

• Can demonstrate dealing with complex Customer issues and escalations

 

Expertise and knowledge in

  • Defender XDR- Defender Cloud Apps & Identity
  • Hybrid Cloud Proxy (Forcepoint)
  • Dell Ransomware Recovery Vault
  • Windows 2016
  • VMware
  • SQL 2018

Benefits

At BT, we entertain, educate, and empower millions of people every single day. We’re a brand built on connecting people – whether that’s friends, family, businesses, or communities. Working here, you’ll receive an attractive salary and a range of competitive benefits, but – more than that – you’ll be joining an ambitious organisation with a culture of togetherness, collaboration, and inclusivity, that takes a genuine and proactive interest in your progress and development.

 

 

Benefits of working for BT include:

• 10% on target annual bonus

• BT Pension scheme, minimum 5% employee contribution, BT contribution 10%

• X4 Salary Life Assurance

• Huge range of flexible benefits including Cycle to Work, Healthcare, Season Ticket Loan, Electric Vehicle Salary Sacrifice

• 25 days annual leave (not including bank holidays), increasing with service

• Equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.

• Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.

• 24/7 private virtual GP appointments for UK colleagues

• 2 weeks paid carer’s leave

• World-class training and development opportunities

• Option to join BT Shares Saving schemes

• Discounted broadband, mobile and TV package

• Access to 100’s of retail discounts including the BT shop

 

 

Flexible Working

This role offers a 3 together, 2 wherever working model. This means you are required to be at your contractual location 3 days a week with 2 flexible days per week.

With 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.

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 on the Job Description, please apply anyway - you may just be the right candidate for this or other roles in our wider team.

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