Senior Systems Administrator

Senior Systems Administrator (2408)

  • Location:
    Oxfam House - Oxford
  • Workplace Type:
    Hybrid
  • Hours:
    36 hours per week
  • Salary:
    up to £48,000 FTE depending on experience
  • Job Family:
    IT
  • Division:
    Operations
  • Grade:
    C
  • Job Type:
    Open ended
  • Closing Date:
    22 September 2025
  • Country:
    United Kingdom

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

 

The Role:

 

The Senior Sysadmin role is to ensure that all Infrastructure services they are reliable, secure, and resilient.  The key elements of the role includes:

 

  • Infrastructure support for all cloud services, building and maintaining infrastructure resources in Azure to meet the support needs through the full product lifecycle.
  • To ensure a high level of security by making sure all services meet our compliance standards, able to proactively address vulnerabilities as they appear.

 

To ensure that all services are highly reliable, by ensuring that backups, disaster recovery processes and failover services are tested and maintained

 

Please note due to the nature of the role, Oxfam GB wont be able to sponsor any visa requests.

 

What we are looking for:

 

We’re 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:

 

Core Skills:
• Self-Awareness
• Systems Thinking
• Proven problem-solving skills
• Good attention to detail
• Team player
• Relationship building

  • Clear communication skills (global operations environment)

Technical Requirements:
Core Infrastructure & Cloud:

• Microsoft Azure (IaaS/PaaS) - Deployment and management of services
• Entra ID - Advanced configuration and security management
• Hybrid Environments - Azure + on-premises Active Directory integration

Security & Compliance:
• Vulnerability Management - Qualys, Nessus (scanning and remediation)
• Endpoint Protection - Microsoft Defender Suite (Endpoint, Identity, Cloud Apps)
• Security Hardening - Server/OS hardening (CIS benchmarks, compliance)
• SIEM Solutions - Monitoring and incident response ( Sentinel )
• Audit Support - Financial and network security audits ( PCI and CE+ )

Automation & Management:
• Scripting/Automation - PowerShell
• Patch Management - OS/server updates (Azure Update Manager)

  • Windows/Linux server administration
    • Microsoft licensing and CSP cloud cost optimization

Endpoint Management:
• MDM/Deployment - Intune, Autopilot (device and application management)
• Certificate Management – Public Key Infrastructure

Desirable

• Azure certifications

• Infrastructure as Code

• Containerization

• Advanced Cloud Networking (Azure Networking, NSGs, Firewalls)

Operations & ITSM:

• ServiceNow - Proficient in ticketing management (incidents, requests, changes, tasks)

• Change Management - Documentation, risk assessment, CAB processes

• ITIL Framework - ITIL Foundation certification preferred (incident, Request, Change, Problem)

Networking:

• Content Filtering – (ForcePoint, Meraki and Defender)

 

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. 

 

You can read more about all Oxfam has to offer here.

 

Flexfam:

 

We believe flexible working is key to building the Oxfam of the future, so we’re open to talking through the type of flexible arrangements which might work for you.

 

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. It’s 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:

 

It’s 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.

 

 

 

 
 
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Location
Oxfam House - Oxford
2700 John Smith Drive, Cowley, Oxford, United Kingdom, OX4 2JY
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