Lead Infrastructure Engineer (Telephony)

Head Resourcing Ltd; City of Edinburgh; On-site; GBP 125,000 - 150,000; Full time

Job summary

A leading technology consultancy in Scotland is seeking a skilled Lead Infrastructure Specialist to manage a large-scale enterprise telephony platform. This senior role involves guiding a team, shaping future voice solutions, and driving automation. The ideal candidate has extensive experience with telephony platforms, strong leadership skills, and a background in Infrastructure as Code. Attractive benefits include a generous pension, performance bonuses, and professional development opportunities.

Benefits

Generous pension contribution

Annual performance-related bonus

Share schemes

30 days' holiday plus bank holidays

Lifestyle benefits and discounts

Career development opportunities

Qualifications

• Experience with large-scale telephony platforms and voice solutions.
• Proven track record of leading engineering teams.
• Strong background in automation and IaC with relevant tools.

Responsibilities

• Lead a team of telephony specialists, providing technical direction and mentoring.
• Design and develop scalable enterprise-grade voice solutions.
• Drive automation across voice network processes.

Skills

Leadership in engineering teams

Experience with telephony platforms

Strong communication skills

Automation expertise

Proactive problem solving

Tools

Avaya

Genesys

Verint

RingCentral

Infrastructure as Code tools (e.g., Terraform)

Docker

Job description

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