Senior Infrastructure Engineer

UK Home Office; Croydon; Hybrid; GBP 48,000 - 60,000; Full time

Job summary

The UK Home Office is seeking a Senior Infrastructure Engineer to oversee the design, implementation, and support of critical infrastructure services. This role involves working with technologies like Microsoft 365 and Genesys Cloud CX, and requires a robust understanding of the latest infrastructure solutions. A highly competitive salary, potential skills allowance, and a supportive work environment that fosters growth and development are offerred.

Benefits

Highly competitive pension with 28.97% employer contribution

25 days annual leave plus public holidays

Flexible working options

Hybrid working model

Training and development opportunities

Access to funded qualifications

Annual performance-based bonus and recognition awards

Qualifications

• Strong experience in infrastructure engineering.
• Demonstrable passion for infrastructure engineering.
• Experience in managing complex technologies.

Responsibilities

• Oversee design, implementation, and iteration of infrastructure services.
• Coach and mentor junior engineers.
• Investigate and resolve issues in infrastructure.

Skills

Microsoft 365

Teams

SharePoint

Webex

Genesys Cloud CX

Poly Lens

AudioCodes One Voice Operations Centre

Job description

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Direct message the job poster from UK Home Office

Lead Technical Recruiter (Cyber Security, Data & IT Operations) @ UK Home Office | HR, Recruiting, Hiring

Location: Croydon

Salary: £48,720 plus a skills allowance of up to £12,680 for exceptional candidates.

Close: 6th July 2026 11:55pm

The Home Office Voice and Video team are responsible for delivering real-time communication services across the organisation. This includes managing Microsoft Teams for internal calls, meetings, and enabling PSTN calling for 70,000 users through Direct Routing.

The team provide a Cloud Contact Centre solution using the Genesys Cloud (CCAAS) with over 25 contact centres within the Home Office. The Contact Centre supports several channels including voice, web messenger, email, SMS, and WhatsApp.

Roles and responsibilities:

The Senior Infrastructure Engineer will be responsible for overseeing the design, implementation, and iteration of these services, ensuring they are fit for purpose and continue to evolve as new technologies emerge.

We are seeking candidates with strong experience in the following technologies:

• Microsoft 365, Teams, SharePoint, Webex, Genesys Cloud CX, Poly Lens, AudioCodes One Voice Operations Centre.

What you will do

• Design, implement, and support infrastructure solutions across compute, storage, networking, cloud, physical infrastructure, and software (including COTS and open-source).
• Review system designs to ensure appropriate technology choices, resource efficiency, and seamless integration.
• Define and coordinate integration builds and support integration testing.
• Investigate issues by identifying patterns, consulting specialists, and implementing fixes and preventative measures.
• Follow correct procedures for issue resolution and keep users updated on progress.
• Coach and mentor junior engineers, contributing to their performance reviews.
• Act as a subject matter expert within designated areas of the team.

UK residency and security requirements - You need to have lived in the UK for the past 5 years.

You’ll have a demonstrable passion for Infrastructure Engineering, with the following skills or strong experience in:

• Providing direction and coaching to more junior members.
• Managing and delivering complex technologies within time, cost and quality targets.
• Agile development and continuous integration principles.
• Maintaining focus on the whole life cycle of service delivery; from design, development, and delivery through to operation.
• Dissecting a problem into its component parts to identify and diagnose root causes, allowing problem resolution.
• The technical concepts required in your role and an ability to build solutions.

Why work for us...

• A highly competitive pension with an employer contribution of 28.97%
• 25 days annual leave on appointment rising 1 day per year up to 30 days, plus 8 days public holidays and 1 day for the King’s Birthday.
• Flexible working options to enable you to achieve the work life balance that is right for you including; Full time, part-time, flexi time, compressed hours and job sharing.
• A hybrid working model of a minimum 60% of your contracted hours in the workplace and 40% remote.
• Training and development opportunities tailored to your role, including access to technical and professional accreditations.
• Access to funded qualifications (subject to approval)
• A capability allowance reviewed annually.
• A culture encouraging inclusion and diversity.
• Enhanced parental leave schemes.
• Annual performance-based bonus and recognition awards.

Please click on apply now for full job advert details and our application portal

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  Government Administration

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