2,248 Informationtechnology jobs in the United Kingdom

A bit about us

At Gamma, we're more than just a leader in Unified Communications as a Service (UCaaS) – we're a dynamic, forward-thinking team, revolutionising the way businesses connect and communicate. We provide voice, data, and mobile solutions to businesses across the UK, Germany, Spain, and the Benelux region, and we're expanding rapidly to bring digital automation and Gamma-powered services to SMEs through a growing network of channel partners.

We move fast with a start-up mindset, but we have the stability of a leading European business. Our team thrives on collaboration, innovation, and the belief that diverse perspectives make us stronger. Join us, and you'll have the opportunity to make an impact, grow your career, and be part of a company that celebrates inclusivity and fresh ideas.

Who are we looking for?

The System Administrator will provide operational support, administration, and maintenance of all OSS/BSS servers, including building new servers and maintaining the existing estate of over 600 servers hosting internal and customer facing applications and services.

What will you be doing day-to-day?

You will be responsible for building and maintaining secure Microsoft Windows servers to host company applications and services, ensuring these systems are up to date with the latest security patches and that any identified vulnerabilities are quickly addressed.

You will ensure reliable operational systems are in place and that systems are monitored in a way that allows issues to be identified quickly and dealt with proactively.

You will gain an architectural overview and knowledge of the following systems:

Middleware components

Database structure

Provisioning flow

Log locations

Common workarounds and scenarios

Integrations with other applications and products

You will be responsible for the creation and maintenance of documentation pertinent to the team.

You will be responsible for ensuring servers are backed up according to business requirements and that restore procedures are in place and regularly tested.

You will take part in a rota providing a 24/7 On Call Service.

What You'll Need

Experience of supporting a large Microsoft Windows Server estate

Required knowledge:

Windows Server Administration

IP Networking

PowerShell

VMWare

Desirable knowledge:

Security & Anti-Malware tools

Disaster Recovery and Backup tools: Commvault, Zerto

Vulnerability and Patch Management tools: Nucleus, Shavlik

Monitoring tools: Nagios, Prometheus, Grafana, Elastic, Dynatrace

Database Administration: Microsoft SQL Server

Container Platforms: Docker, Kubernetes

Application Support: Java, Tomcat, Nginx, RabbitMQ, ActiveMQ

Automation: Git, Bitbucket, Jenkins, Terraform

Public & Private Cloud: AWS, Azure

Ability to work under pressure and manage the demands of numerous tasks.

Clear written communication and ability to produce coherent documentation.

Able to work on own initiative and effectively in partnership with others.

Experience of working in a Telecoms company is highly desirable.

Special Requirements:

OOH On call rota 7x24.

Some overtime is required to complete changes and install system security patches outside of standard business hours.

Some (limited) travel to other office's locations maybe expected under extreme circumstances, but this is not expected to be the norm.

What do we offer you?

At Gamma, we believe in work-life balance, which is why we offer 25 days of annual leave, plus an extra day off for your birthday. Giving back is important to us, so we also provide a volunteer day to support a charity that matters to you.

Family matters, too. With enhanced maternity and paternity pay, we're here to support you as a parent and help you thrive in your career.

We offer a contributory pension plan to help you save for the years ahead, with Gamma's contribution varying dependant on yours.

Your well-being is our priority. We offer group income protection and life assurance (four times your salary) to ensure peace of mind for you and your loved ones.

We want you to share in our success. That's why we offer tax-efficient share save and share incentive plans, giving you the opportunity to benefit from Gamma's growth.

We're committed to health, both physical and mental, and provide private medical insurance through Vitality, which extends to your immediate family.

And, because we care about the environment, we offer an Electric Vehicle scheme through Octopus and a Cycle to Work scheme, making it easier to get around sustainably.

A few things to note

Unfortunately, we can't offer visa sponsorship or relocation support for this role.

If you feel you could be a good fit for Gamma but do not think that you meet all the requirements, we still encourage you to apply as you could be the person that we are looking for

Gamma is an equal-opportunity employer. We care about inclusion and believe in having diverse teams where everyone can be their true authentic selves. We value each person and their range of backgrounds and actively encourage people from underrepresented backgrounds to apply.

We don't discriminate based on any protected characteristics e.g., race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, marital status, disability, or age. We are a family-friendly employer with a culture based on trust, autonomy, and flexibility to help you create a work-life balance and enjoy working here at Gamma.

For recruitment agencies – we have a network of fantastic partners that support us in our hiring from time to time. We're not looking to increase that network currently, so please don't send speculative CVs.

Workday System Administrator

Maple Cross

Salary: £70,000 – £80,000 + Package

We are seeking a Workday System Administrator to take ownership of our Workday platform and play a pivotal role in optimising HR systems across a growing international business. This is a hands-on role, ideal for someone who enjoys both the detail of day-to-day administration and the challenge of delivering continuous improvement.

Key Responsibilities

• Act as the primary administrator and subject matter expert for Workday across HCM, Recruitment, Absence, Time Tracking, and Talent.
• Provide first-line support for Workday queries, tickets, and user issues.
• Manage role-based security and ensure compliance with GDPR and data governance.
• Coordinate with external AMS providers , managing escalations, enhancements, and agile delivery cycles.
• Lead on configuration and optimisation , implementing process changes, automation, and new functionality.
• Support Workday release management , including testing, stakeholder communication, and change adoption.
• Build and maintain dashboards, custom reports, and audits to ensure data integrity and provide actionable insights.

About You

• Proven, hands-on experience administering and configuring Workday , particularly HCM.
• Strong track record of managing tickets, security, and system queries.
• Comfortable working with external AMS partners and familiar with agile delivery practices .
• Excellent communication, stakeholder engagement, and documentation skills.
• Background in HR systems, HR operations, or HR technology within complex organisations.

Desirable

• Experience supporting global or multi-entity Workday environments.
• Knowledge of Workday reporting tools and advanced reporting.
• Strong Excel and data management skills.

Workday System Administrator

Maple Cross

Salary: £70,000 – £80,000 + Package

We are seeking a Workday System Administrator to take ownership of our Workday platform and play a pivotal role in optimising HR systems across a growing international business. This is a hands-on role, ideal for someone who enjoys both the detail of day-to-day administration and the challenge of delivering continuous improvement.

Key Responsibilities

• Act as the primary administrator and subject matter expert for Workday across HCM, Recruitment, Absence, Time Tracking, and Talent.
• Provide first-line support for Workday queries, tickets, and user issues.
• Manage role-based security and ensure compliance with GDPR and data governance.
• Coordinate with external AMS providers , managing escalations, enhancements, and agile delivery cycles.
• Lead on configuration and optimisation , implementing process changes, automation, and new functionality.
• Support Workday release management , including testing, stakeholder communication, and change adoption.
• Build and maintain dashboards, custom reports, and audits to ensure data integrity and provide actionable insights.

About You

• Proven, hands-on experience administering and configuring Workday , particularly HCM.
• Strong track record of managing tickets, security, and system queries.
• Comfortable working with external AMS partners and familiar with agile delivery practices .
• Excellent communication, stakeholder engagement, and documentation skills.
• Background in HR systems, HR operations, or HR technology within complex organisations.

Desirable

• Experience supporting global or multi-entity Workday environments.
• Knowledge of Workday reporting tools and advanced reporting.
• Strong Excel and data management skills.

Job title: Linux System administrator

Location : Cambridge- 3 Days a Week

Type: Contract

Client: Wipro

Mandatory Skills: Linux Admin

Experience: 5-8 Years

• Experience running and maintaining on-premise data centres

• Strong experience with Linux (Ubuntu / Centos)

• Experience enterprise storage including ISCSI and SAN technology

• Prior experience using automation tools (Ansible, Foreman etc)

• Knowledge of IP networking, DNS, and firewalling

• Experience with Python, shell scripts and command-line tools

• Knowledge of containerisation and related orchestration technologies

• Demonstrable experience of remediation projects, ideally within a PCI-DSS certified environment.

• Strong verbal & written communication skills and natural willingness to collaborate across teams and organisations.

• Naturally able & productive with ITSM tools such as Jira, ServiceNow etc.

Great to haves:

• Good knowledge of the various services and capabilities of cloud computing platforms; Ideally AWS

• Hyper-V, Microsoft AD, AAD & VMWare experience

• Experience maintaining OpenStack

• Experience maintaining build system, source code management, TeamCity and GitLab services

• Bachelor’s degree in a related field (Computer Science preferred) or equivalent experience

Program/Project Overview

M&A Feature space O&I integration

Engagement Deliverable(s)

Get to target state program and integration of Feature Space

LMS Administrator

Location: South West England (Hybrid working available)

Salary: £27,000 – £32,900 per annum

Contract: Permanent, full-time (37.5 hours per week)

An established not-for-profit organisation is seeking a skilled Learning Management System (LMS) Administrator to join their Learning Solutions team. This role is ideal for someone who enjoys problem-solving, supporting clients, and managing digital learning environments.

You’ll be responsible for the day-to-day administration, maintenance, and support of Moodle-based learning platforms used by a wide range of clients. You’ll also play a key role in client onboarding, data migration, and ensuring the smooth running of digital learning systems.

Key Responsibilities

• Provide daily operational and technical support for digital learning systems.
• Act as a point of escalation for complex LMS issues.
• Support the implementation and onboarding of new clients, configuring their learning environments.
• Manage client and learner data in line with GDPR and internal data protection policies.
• Create and maintain user guides, internal documentation, and knowledge base articles.
• Work with internal teams and clients to deliver excellent service and system performance.
• Support platform migrations and contribute to process improvements.

Essential Skills & Experience

• Strong knowledge of Moodle or similar LMS platforms.
• Experience providing technical and administrative LMS support.
• Confident in troubleshooting and resolving system or content issues.
• Excellent communication and customer service skills.
• Strong organisational skills with the ability to manage competing priorities.

Desirable

• Experience with Moodle Workplace.
• Understanding of SCORM and other eLearning standards.
• Intermediate Microsoft Excel skills.
• Knowledge of project management principles.

Why Apply?

• Join a supportive, purpose-driven organisation making a real impact in workforce development.
• Hybrid working options and modern office.
• Opportunities for professional development and career growth.

Workday System Administrator

Location: UK Buckinghamshire (Hybrid / Remote)

We’re looking for an experienced Workday System Administrator to take ownership of Workday across key modules — including HCM, Recruitment, Absence, Time Tracking, and Talent. You’ll play a hands-on role in configuration, optimisation, and support, while partnering with internal teams and our AMS provider to deliver a best-in-class HR system.

Key Responsibilities

• Act as the primary Workday system admin and SME, managing configuration, access, and security.
• Oversee AMS partner relationship, handling escalations, enhancements, and agile delivery cycles.
• Lead system optimisation — testing and implementing new functionality, automation, and process improvements.
• Develop and maintain dashboards, reports, and governance documentation to ensure data quality and compliance.

Skills & Experience

• Proven hands-on Workday configuration and administration experience (HCM essential).
• Strong understanding of HR processes, data flows, and security standards (GDPR).
• Experience managing AMS providers and agile delivery backlogs.
• Excellent communication, analytical, and stakeholder management skills.
• Familiarity with Workday reporting tools and release management advantageous.

If this is for you please send your cv to me today