The Infrastructure Operations Team supports the banks daily operations across OSB Group's sites and branch offices via the management of core infrastructure through monitoring, event management, project delivery and BAU support.

The M365 Lead Design Engineer is responsible for the design, implementation, upgrades and performance of Microsoft M365 Services within OSB Group.

You will be the overall M365 SME within the team and assist in high through to low level design support transition of architectural proposals from Technical Design Authority approval through to Low Level Design responsibilities and readiness for deployment.

Practising a M365 design philosophy focussed on performance, resilience, security and scalability the position holder will be entrusted to provide tailored solutions based on industry best-practice principals that ensure strong strategic positioning for future advancement and expansion of the infrastructure.

Your responsibilities will include…

• Supporting, designing and implementing M365 Services including on-premise and cloud solutions
• Providing LLD for M365 services that integrate with existing or new infrastructure services based upon requirements
• Working collaboratively with other IT teams in translating high level business requirements into functional, technical designs demonstrable in a non-production environment
• Ensuring recurring issues are addressed by the right process and recurring issues are escalated
• Act as a subject matter expert for Microsoft engineers supporting the wider team with technical documentation to provide long-term reference points for implementations and support knowledge cascade throughout team
• Actively stay abreast of M365 developments within the industry to make cost-effective use of new and emerging tools and support the business with the most suitable technologies.
• Support business from HLD through to LLD, maintaining network design documentation to assist with future planning, growth, audits, risk and BCP/DR initiatives.
• Knowledge sharing with other support staff to build good knowledge base and ensuring we move to value added project activities always having continual improvement in the back of our mind

We offer a base salary dependent on experience between £70,000 - £77,000 and a competitive benefits package including:

• Discretionary annual bonus opportunity of up to 15%
• 28 days annual leave plus bank holidays
• Contributory pension (8% employer 5% employee)
• Life Assurance (4x salary) plus Group Income Protection
• Access to Private Medical Insurance and Medical Cash Plan

• Additional benefits such as Hybrid working, Cycle Purchase scheme, Technology Purchase scheme, Season Ticket Loan, Holiday purchase / sell schemes, Employee Perk Portals, Payroll giving and Save as you Earn scheme

Please use this link to see the fantastic benefits available at OSB: OSB Careers

At OSB Group, we understand how much our people bring to our organisation, which is why we try our best to give back too! Our Purpose is to help our customers, colleagues and communities prosper and we are on a transformation journey to become ‘the bank of the future’.

Our commitment to professional development, flexible working, and employee well-being fosters a dynamic and supportive workplace.

We are looking for talented individuals who have the experience and knowledge set out below:

• Previous work experience in an Engineering role working directly with Microsoft 365 and Azure services
• Advanced skills in respect of Microsoft Windows, Server and Desktop as well as Active Directory and Entra are essential
• Certifications in Microsoft Modern work – MS-900 Fundamental and MS-102: Administrator Expert are required

If this sounds like you, please apply now! For internal applications please visit the internal careers page to apply.

Still on the fence? Hear from our team or explore our process: OSB Careers

Shortlisted candidates will go through a personalised recruitment process, that is relevant and conversational – inclusive any individual reasonable support required. We want to bring out the best in you!

Diversity, Equity & Inclusion

Not sure if you meet the spec? Let us decide.

Research tells us that those from marginalised groups feel like they need to meet 100% of the criteria to apply. Here at OSB, we are committed to inclusivity and understand the value different experiences and perspectives can bring, so please don’t feel like you need to check every box to apply for a role internally.

We champion diversity at all levels, with Board-level Diversity Champions tracking our progress. We are proud to be signed up to the Women in Finance Charter to actively support the growth and development of senior women in our sector and are dedicated to treating all our employees and job applicants equally, opposed to discrimination on any grounds.