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Systems Administrator

NATO


Job Location:

London - UK

Monthly Salary: Not provided by the employer
Posted: 27 August 2026 (20 hours ago)
Application Deadline: 24 November 2026
Vacancies: 1 Vacancy

Job Summary

The post is budgeted from 1 January 2027 and the successful candidate is expected to start employment as soon as possible thereafter.

  1. OVERVIEW OF DIANA

NATO DIANA is the Defence Innovation Accelerator for the North Atlantic a NATO body dedicated to finding and accelerating innovation to provide decisive defence and security effects for the Alliance while fostering deep-tech innovation.

NATO DIANA is comprised of a Board of Directors representing all 32 nations and an operational team referred to as the DIANA Executive (DX). Operating from three offices in Europe and North America the DX leverages a network of military end users world-leading accelerator sites test centres professional mentors and experts and Allied expertise to accelerate the most innovative technologies from across the NATO Alliance. DIANA is a dynamic agile workplace which strives for innovative thinking diversity and performance excellence across all teams. To achieve our mission DIANA is committed to providing our people with an environment that is positive inclusive and collaborative.

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  1. OVERVIEW OF THE ROLE

The System Administrator is responsible for the administration and maintenance of DIANAs cloud-based digital infrastructure including Microsoft 365 Azure Entra ID and corporate SaaS platforms. The role ensures systems remain secure reliable and operational through effective platform administration access management automation patch management and operational support. Working closely with IT security service providers and end users the incumbent contributes to the continuous improvement and resilience of DIANAs digital services.

The System Administrator is responsible for the day-to-day backend administration configuring and maintaining the Microsoft 365 Azure and Entra ID environments the wider SaaS toolset device management platforms and associated security tooling to keep DIANAs systems secure reliable and well-managed.

*Reserve candidates may be considered for similar posts in Estonia or Canada if appropriate. *

Reporting to theIT Operations & Service Manager.

Duties of this role include:

  • Administer and maintain DIANAs Microsoft 365 Azure Entra ID and SaaS platforms ensuring secure configuration user access management and operational reliability.
  • Support the administration of endpoint and device management platforms ensuring compliance with security standards and lifecycle management processes.
  • Maintain patching vulnerability management and system security controls to support a secure and resilient technology environment.
  • Support identity access management and security administration activities using Microsoft security and management tooling.
  • Support automation scripting and process improvement initiatives to enhance administration provisioning monitoring and reporting.
  • Maintain operational documentation procedures and user guidance; support IT service management activities and continuous improvement initiatives; and work with suppliers service providers and internal stakeholders to support the effective delivery of IT services.
  • Support the IT & Security Coordinators and wider IT team in the delivery of user support service requests and operational activities as required.
  • Perform any other related duties as may be required.

  1. ROLE REQUIREMENTS QUALIFICATIONS AND EXPERIENCE

ESSENTIAL

The incumbent must have:

  • Higher vocational training in a relevant discipline with 2 years of post-related experience or a secondary educational qualification with 4 years of post-related experience.

  • Experience supporting the administration of Microsoft 365 and Azure environments within a cloud-based enterprise environment.

  • Experience administering SaaS applications and supporting user access configuration and platform operations.

  • Knowledge of Microsoft cloud administration and security technologies including Entra ID Intune Defender and endpoint management solutions.

  • Experience supporting patch management device management system maintenance and operational security activities.

  • Experience with automation and scripting technologies such as Power Automate PowerShell or equivalent tools.

  • Good communication and stakeholder engagement skills with the ability to work effectively with users suppliers and service providers.

  • Possess the following minimum levels of NATOs official languages (English/French): V (Advanced) in one; and I (Beginner) in the other.

NOTE:Most of DIANAs internal work is conducted in the English language.

DESIRABLE

The following would be considered an advantage:

  • Knowledge of API integration software development or systems integration concepts.

  • Relevant technical certifications in cloud infrastructure systems administration cybersecurity or related disciplines.

  • Experience working in a technology-driven cloud-native or innovation-focused environment including ERP or SaaS platforms.

  • Knowledge of the NATO institutional framework policies and procedures.

COMPETENCIES

The incumbent mustdemonstrate:

  • OrganizationalandEnvironmentalAwareness: Understands the wider mission and considers the impact of their actions on others.

  • Initiative &Responsibility: Takes ownership and accountability.

  • Adaptability & Flexibility: Embraces change adjusts priorities as needed and continues to deliver results in evolving environments.

  • Customer Service Orientation: Provides timely professional and solution-focused support to all stakeholders.

  • Planning & Prioritizing: Allocates time and resources effectively balances competing priorities and delivers work to agreed timelines.

  • Teamwork: Collaborates openly and supports colleagues to achieve shared goals.

  • Self-awarenessanda LearningMindset: Seeks opportunities to learn reflects on experience and applies learning to improve outcomes.

  1. WHAT WE OFFER

  • Genuinely meaningful work as part of the newest unit within the most successful alliance in history.

  • Tax-free salary.

  • Household and childrens allowances and privileges for expatriate staff including expatriation and educational allowances (where applicable) andadditionalhome leave.

  • Excellent private health insurance scheme.

  • NATO pension scheme.

  • Generous annual leave of 30 days plus official holidays.

  • Flexible working conditions and a smoke-free office in London.

  • Opportunities for learning and development.

  1. CONTRACT

In accordance withthe NATO Civilian Personnel Regulations the successful candidate will receive a definite duration contract of three years which may be followed by an extension.

If the successful applicant is seconded from the national administration of one of NATOs member States a 3-year definite duration contract will be offered which may be renewed for a further period of up to 3 years subject to the agreement of the national authority concerned. Themaximumperiod of service in thepostas a seconded staff member is six years.

NOTE:Irrespective ofpreviousqualifications and experience candidates for twin-graded posts will be appointed at the lower grade. Advancement to the higher grade is not automatic and will not normally take place during the first three years of service in the post.

  1. USEFUL INFORMATION REGARDING APPLICATION AND RECRUITMENT PROCESS

Please note that we can only accept applications from nationals of NATO membercountries.

Applications must besubmittedusingthee-recruitment system and any documents sent through other formats will not be reviewed(including email social networketc).

Before you applytoany position we encourage you toclick hereandreviewhow to apply.

Due to the broad interest in NATODIANA and thelarge numberof potential candidates telephone or email enquiries cannot be dealt with.

Afterreview ofyour online applicationsuccessful candidates will be invited to a pre-recorded video interview. Shortlisted candidates from that will then be invited tothe final assessments which include:a languageproficiencytest a job-related written test and a panel interview.

Appointment will be subject to receipt of a security clearance (provided by the national Authorities of the selected candidate) and approval of the candidates medical file by the NATO Medical Adviser.

NOTE:DIANA will not accept any phase of the recruitment andselectionprepared in whole or in partby means ofgenerative artificial-intelligence (AI) tools including and without limitation to chatbots such as Chat Generative Pre-trained Transformer (Chat GPT Copilot Claude etc.) or other language generating tools. DIANA reserves the right to screen applications toidentifythe use of such tools. All applications prepared in whole or in partby means ofsuch generative or creative AI applications will be rejected without further consideration at DIANAs sole discretion and DIANA reserves the right to take further steps in such cases asappropriate.

  1. ADDITIONAL INFORMATION

NATO is committed to diversity and inclusion and strives to provide equal access to employmentadvancementand retention independent of gender age nationality ethnic origin religion or belief cultural background sexual orientation and disability.

NATO is committed to fostering an inclusive and accessible working environment where all candidates living with disabilities can fullyparticipatein the recruitment and selection process. If you require reasonable accommodation please inform us during your selection process along with documented medical evidence to support your request.

All NATO DIANA personnel are expected to conduct themselvesin accordance withthe current NATO Code of Conduct as agreed by the North Atlantic Council (NAC) and thus display the core values of integrity impartiality loyalty accountability and professionalism.

The incumbentis required tobe a resident in the host nation for the duration of their contract. DIANA has a flexible teleworking policy topermitworking in office at home and across NATO Allied Nations subject to managerial approval.

For more information on DIANA please visitourwebsite.


Required Experience:

Unclear Seniority