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Lead Infrastructure Engineer (Telephony)

  • Location:

    Edinburgh

  • Sector:

    Cloud & Infrastructure

  • Job type:

    Permanent

  • Salary:

    £90000 - £105000 per annum + bonus, pension, on-call

  • Contact:

    Callum Beveridge

  • Contact email:

    CBeveridge@headresourcing.com

  • Job ref:

    BBBH37841_1757408404

  • Published:

    1 day ago

  • Expiry date:

    2025-10-09

  • Client:

    Head Resourcing


We're seeking an experienced Lead Infrastructure Specialist to take ownership of a large-scale enterprise telephony platform that underpins critical business operations and future transformation.


This is a senior technical leadership role where you'll set strategy, guide a team of specialists, and play a key part in shaping the future of voice solutions across a complex enterprise environment.


If you're passionate about innovation, automation, and leading high-performing teams in the telephony space, this role offers the chance to make a real impact.


What You'll Be Doing

  • Leading a team of telephony specialists, providing technical direction, mentoring, and driving continuous improvement.
  • Designing, developing, and integrating enterprise-grade voice solutions that are scalable, resilient, and secure.
  • Driving automation and orchestration across voice network processes to improve efficiency and agility.
  • Acting as a technical authority, ensuring solutions align with industry best practice and long-term strategy.
  • Shaping the roadmap for enterprise telephony platforms while managing technical debt and production health.
  • Preparing people, processes, and platforms for the future through DevOps, Agile practices, and technology modernisation.

What We're Looking For

  • Experience with large-scale telephony platforms and voice solutions, ideally with exposure to Avaya, Genesys, Verint, and RingCentral.
  • Proven track record of leading engineering teams, balancing service stability with transformation.
  • Strong background in automation and Infrastructure as Code (IaC), with knowledge of tools such as Python, Jenkins, Harness, Ansible, Terraform, Docker.
  • Excellent communication skills with the ability to influence both technical and business stakeholders.
  • Experience building roadmaps, addressing technical debt, and aligning team capabilities to future architecture.
  • A proactive mindset for solving technical challenges and proving innovative solutions at enterprise scale.

What's on Offer

  • Generous pension contribution of up to 15%
  • Annual performance-related bonus
  • Share schemes, including free shares
  • 30 days' holiday plus bank holidays
  • Benefits you can adapt to your lifestyle, including discounts on shopping, wellbeing initiatives, and family-friendly policies
  • Access to career development opportunities and the chance to work on industry-leading infrastructure transformation projects

If this job isn't the one for you, then don't worry we have lots more opportunities available!