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BT Business • Corby (R025), Corby, United Kingdom

3rd Line Technical Professional

Salary:  Competitive Salary + Benefits
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Job Description

Recruiter: Krystle James

Hiring Manager: Dominic Lawn

Career Grade: E

Internal Closing Date: 26/03/24

Why this job matters

This role Supports the Business Unit Goals by active participation in living/driving achievement of the goals embodied within the big bets template: Trusted customer relationship; End to End customer experience; integrated portfolio; Simplified systems and processes; values & ways of working.

This role is based in Corby or Peterborough. Based on Client site. 3 or 4 days/nights per week (12-hour shifts). Shift allowance. Must be UK resident for 5+ years in order to obtain SC clearance.

What you’ll be doing

  • Provide onsite 3rd line technical expertise while supporting and protecting LBG’s large enterprise network. You will be expected to understand and collate requirements and challenges that the customer provides, then act on them using your expertise in a timely and efficient way so as to provide the best service possible.
  • Collaboration with both customer and BT technical teams in the support of new and existing technology infrastructure, including design work and implementation, diagnostic and project tasks across the board.
  • Manage and work independently with external 3rd party suppliers and customer stakeholders where necessary.
  • Mentor and support 1st/2nd technical teams 3rd line colleagues as required along with other applicable parties within the wider community, including project managers, design staff and senior management.

Essential Skills

  • Troubleshooting
  • Network Configuration
  • Customer Service
  • Network Implementation
  • Technical Documentation

What we'd like to see on your CV

  • Very strong Customer communication and relationship management skills (customer facing experience mandatory)
  • 5-10 years of networking experience on large enterprise networks of 100+ nodes or more
  • CCIE preferred
  • Experienced in troubleshooting large enterprise networks made up of various vendors
  • Experienced in designing and deploying network fixes to resolve service issues


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.

  • Competitive salary
  • 10% on target bonus
  • BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
  • On-call allowance
  • 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 shop


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.


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.


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.

Company benefits

25 (UK) / 21 (India) days annual leave + bank holidays
Open to job sharing
Open to part time work for some roles
Flexible working week
Mental health platform access
Compassionate leave
Cinema discounts
Buy or sell annual leave – buy up to 5 days/year pro rata
Bank holiday swaps
Adoption leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Shared parental leave
Enhanced maternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Cycle to work scheme
Faith rooms
Pension match/increase
Salary sacrifice
Share options
Employee discounts
Employee assistance programme
Volunteer days – 3 volunteer days per year
Lunch and learns
L&D budget
Season ticket loan
Enhanced sick pay – 3 months
Optional unpaid leave
More information needed
More information needed
More information needed
Work-life balance
More information needed
Role modelling
More information needed
More information needed

Working at BT Business

Company employees

100,000 across BT Group (24,000 at BT Business)

Gender diversity (male:female)

74.3:25.7 (BT Group)

Office locations

UK wide (London, Birmingham, Bristol, Manchester, Liverpool, Glasgow & more), ROI, India, Hungary, Spain, United States, Australia

Hiring Countries

United Kingdom

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