Senior Systems Administrator (2520) in Banbury

Location: Oxfam House - Oxford, Oxford / UK (Flexible)

Workplace Type: Hybrid

Hours: 36 hours per week

Salary: Up to £48,768 FTE depending on experience

Job Family: IT

Division: Operations

Grade: C

Job Type: Open ended

Closing Date: 10 March 2026

Country: United Kingdom

Oxfam is a global movement of people working together to end the injustice of poverty.

The Role:

As a Senior Systems Administrator at Oxfam, you will play a pivotal role in ensuring the organisations core infrastructure services are secure, reliable, and resilient. You will take the technical lead in supporting and enhancing Oxfams cloud platforms, with a particular focus on Microsoft Azure, and act as a trusted expert throughout the full product and service lifecycle. In this role, you will design, build, and maintain cloud-based infrastructure that meets the evolving needs of the organisation, ensuring that systems are optimised for performance, scalability, and long-term sustainability. A key part of your responsibilities will be safeguarding Oxfams digital environment by ensuring all services meet compliance and security standards, proactively managing vulnerabilities, and implementing best-practice security controls. You will also be responsible for maintaining high service reliability across the organisations infrastructure. This includes overseeing robust backup strategies, disaster recovery processes, and failover solutions, ensuring that Oxfam can continue to deliver critical work even in the face of disruption. This is a role for someone who thrives in a modern cloud-first environment, enjoys solving complex technical challenges, and is passionate about enabling Oxfams mission through resilient and secure technology.

What we are looking for:

Were looking for a candidate who cares about Oxfam's mission to end poverty and is personally aligned to our feminist principles and values of empowerment, accountability and inclusion in all you do. An ideal candidate for the role will also be / have:

• Self-Awareness
• Systems Thinking
• Proven problem-solving skills
• Good attention to detail
• Team player
• Relationship building
• Clear communication skills (global operations environment)
• Technical Requirements as outlined on the job profile

We offer:

We offer a competitive salary and a range of additional benefits to staff including flexible working options, generous pension scheme, annual leave, additional leave allowances, company sick pay, life assurance and a range of other benefits. From the day you join Oxfam we invite you to stretch and learn in your role. Our wide range of Learning & Development opportunities includes in-house courses, e-learning modules, on-the job learning opportunities, coaching and mentoring, and much more.

Flexfam:

We believe flexible working is key to building the Oxfam of the future, so were open to talking through the type of flexible arrangements which might work for you. We think this role would work particularly well as partially home-based and office based (hybrid working) with a minimum of 2 days a week in the Head Office. This would be agreed with your manager.

How to apply:

As part of your online application, please upload your up to date CV and Cover Letter explaining your suitability against the essential criteria in the job profile.

Our values and commitment to safeguarding:

Oxfam is committed to preventing any type of unwanted behaviour at work including sexual harassment, exploitation and abuse, lack of integrity and financial misconduct; and committed to promoting the welfare of children, young people, adults and beneficiaries with whom Oxfam GB engages. Oxfam expects all staff and volunteers to share this commitment through our code of conduct. We place a high priority on ensuring that only those who share and demonstrate our values are recruited to work for us. The post holder will undertake the appropriate level of training and is responsible for ensuring that they understand and work within the safeguarding policies of the organisation. All offers of employment will be subject to satisfactory references and appropriate screening checks, which can include criminal records and terrorism finance checks. Oxfam GB also participates in the Inter Agency Misconduct Disclosure Scheme. In line with this Scheme, we will request information from job applicants previous employers about any findings of sexual exploitation, sexual abuse and/or sexual harassment during employment, or incidents under investigation when the applicant left employment. By submitting an application, the job applicant confirms his/her understanding of these recruitment procedures.

We are committed to ensuring diversity and gender equality within our organisation and encourage applicants from diverse backgrounds to apply.

About us:

Oxfam is a global community who believe poverty isn't inevitable. Its an injustice that can be overcome. We are shop volunteers, women's right activists, marathon runners, aid workers, coffee farmers, street fundraisers, goat herders, policy experts, campaigners, water engineers and more. And we won't stop until everyone can live life without poverty for good. Oxfam GB is a member of international confederation of 21 organisations working together with partners and local communities in the areas of humanitarian, development and campaigning, in more than 90 countries.

A thriving diverse Oxfam:

Its people power that brings about change. To play our part as a global organisation working to overcome poverty and inequality, we need equality, diversity and inclusion across our community of staff, partners and volunteers. Together, we're committed to becoming a more diverse workforce, better able to tackle the global challenges that face our world today. To do that: We need to dismantle the unequal power structures that exist everywhere, this including Oxfam and the wider development and charity sectors. We need an inclusive Oxfam where everyone can bring who they are to our work and feels celebrated for the differences they bring. We want and need everyone, and that means we need you.