HSS - Senior Cloud System Admin

Job Description

Job Title: Senior Cloud Systems Administrator

Location: Gloucestershire

Employment Type: Permanent

About DXC

DXC is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and are dedicated to creating a supportive, accessible environment for everyone.

DXC is a global leader in IT services, helping organizations modernise their IT infrastructure, optimise business operations, and drive digital transformation. With a presence in over 70 countries, DXC delivers mission‑critical IT services across industries, including cloud solutions, cybersecurity, and enterprise applications. We work closely with our clients to maximise efficiency, improve security, and accelerate innovation through cutting‑edge technology solutions.

We are currently seeking a Senior Cloud Systems Administrator to join our team and play a key role in designing, managing, and maintaining enterprise cloud environments.

Role Overview

As a Senior Cloud Systems Administrator, you will be responsible for the design, deployment, migration, management, and continuous improvement of cloud‑based and on‑premises infrastructure services. You will work with a variety of technologies, including public and private clouds, virtualization platforms, storage, networks, and security solutions. This role will require strong technical expertise, problem‑solving skills, and the ability to collaborate with cross‑functional teams.

Due to the nature of the work and the customers we support, the successful candidate must be eligible to meet UK Government and contractual personnel security requirements, including the applicable residency requirements for the role, and have the right to work in the United Kingdom. Some roles may also be subject to nationality requirements where these are necessary to meet UK Government or contractual security obligations.

Key Responsibilities

• Manage and lead infrastructure teams responsible for cloud and on‑prem services.
• Design and implement scalable, secure, and highly available cloud solutions.
• Oversee the performance, availability, and security of cloud and infrastructure systems.
• Collaborate with stakeholders to define cloud strategies and support digital transformation initiatives.
• Support migration projects, ensuring seamless transitions to cloud environments.
• Troubleshoot and resolve complex cloud infrastructure issues.
• Maintain and improve best practices, automation, and monitoring tools.
• Assist in developing and maintaining infrastructure documentation, policies, and standards.
• Participate in capacity planning and resource optimisation for cloud environments.

Required Skills & Experience

• Experience in IT infrastructure, with at least 3 years in cloud administration.
• Strong expertise in public and private cloud platforms (AWS, Azure, Google Cloud, VMware, etc.).
• Hands‑on experience with virtualization, storage, networking, and security solutions.
• Proficiency in automation tools (Terraform, Ansible, PowerShell, etc.).
• Knowledge of containerisation (Docker, Kubernetes) and DevOps methodologies.
• Strong understanding of Active Directory, Identity & Access Management, and IT security best practices.
• Experience in troubleshooting infrastructure and system performance issues.
• Ability to manage projects and work collaboratively across technical and business teams.

Preferred Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
• Industry certifications (e.g., AWS Certified Solutions Architect, Microsoft Azure Administrator, CCNP, CompTIA Cloud+).
• Experience working in large‑scale enterprise environments.

Why Join DXC Technology?

• Competitive salary and benefits including pension, health care, and paid time off.
• Opportunity to work on high‑impact, cutting‑edge cloud projects.
• Collaborative, inclusive work environment with a focus on career growth and continuous learning.
• Be part of a global leader in IT services, driving digital transformation across industries.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritises in‑person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

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