MBDA DBA Subject Matter Expert

Publication Date:  Nov 27, 2023
Ref. No:  490143

London, GB, SW1A 2NS

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Together we create reliable and responsive digital foundations for the world’s businesses, institutions, and communities.
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At Atos, as the global leader in secure and decarbonized digital, our purpose is to help design the future of the information space. Together we bring the diversity of our people’s skills and backgrounds to make the right choices with our clients, for our company and for our own futures.



Security Check (SC) clearance is mandatory and your willingess to undergo Developed Vetting (DV) Clearance!

Position is a Hybrid one - at least 3 days a week work from office is required - either in Stevenage, Bolton or Bristol offices.


As a DBA SME (Subject Matter Expert), you will be involved with large scale customer infrastructure support and transition/transformation projects relating to specific customer infrastructure systems and associated software, ensuring that the service provided to Atos customers meets the requirements set out in the project definition.

Working on won business from incremental sales on an existing account, the DBA SME is part of the BAU team of ~25 and in a core DBA team of 3.


The DBA SME also conducts peer reviews of documentation and creates LLD (Low Level Designs) when required.


During an assignment, a DBA SME is expected to consistently demonstrate the following key skills within the project assignment context:


  • Complete work detailed in project design documentation.
  • Support the project to ensure successful project delivery.
  • High quality documentation and communication skills.
  • Flexible to the business needs of our clients.
  • Raise concerns when project delivery is failing or when there is a fundamental problem that needs addressing.
  • Accountability and responsibility.
  • Stakeholder management


Roles and Responsibilities:


  • Ensure smooth handover of implemented systems into ongoing support, participating in relevant processes.
  • Assist and advise in troubleshooting technical issues when required.
  • Participate in implementation and migration activities, providing direction and support to other project team members, including less experienced SMEs, when required.
  • Plan and undertake changes to software/hardware as agreed with the customer/project.
  • Assess user requirements and formulate technical specifications that are cost effective and accurately meet the identified needs of the customer.
  • Install and test operating software and associated products in conjunction with application providers to ensure that each element of a project performs to specification.
  • Contribute to the implementation of new and modified systems in conjunction with clients to achieve identified benefits.
  • Implement and maintain a standard methodology for the planning and installation of infrastructure.
  • Work with the TAs and service line teams to ensure solutions meet requirements, are supportable and to the approved standards.
  • Prepare and produce high quality design, systems documentation and delivery plans in accordance with current Atos processes and standards. Incorporating specialist knowledge as required.
  • Ensure that all delivery, development and maintenance work is undertaken in accordance with ITIL, Atos and customer change management process.
  • Effectively monitor specific infrastructure services and identify improvements and preventative maintenance interventions.
  • Liaise with 3rd Party suppliers and other partners when and where required to meet customer requirements.
  • Regular reporting to Service Manager,TA(s), Project Manager(s), Portfolio Manager as appropriate.
  • Technical quality control and assurance.
  • Submit and champion new ideas.
  • Maintain up to date awareness of developments in the IT industry.
  • Contribute to the development of further server offerings
  • Maintain up to date awareness of developments in the IT industry and identify how appropriate ones can be applied to technical designs.
  • Liaise with 3rd Party suppliers and other partners when and where required to meet customer requirements. Be involved with initial partnership meetings.
  • Work with programme, TAs to produce plans that enable timely delivery of technical infrastructure components of projects.
  • Be prepared to learn, in depth, new technologies and then teach others.
  • Take ownership of concerns and risks to drive successful conclusions.
  • Lead initiatives and champion better ways of working.


Technical skills:


  • SQL Server – Versions 2005 to 2019 – Express and to Full versions
  • Oracle Databases – Versions to
  • DB2


Main administrative tasks on both database platforms as follows:


  • Troubleshooting issues ie Availability, performance, locks, blocks, resource allocation
  • Running scripts against Db’s and providing results
  • DB backups,
  • User management,
  • database refresh/Restores
  • Installs
  • Patching
  • Windows server – 2003 – 2019
  • Understanding of Windows Operating systems, ie navigating, file management
  • Good understanding of Windows/SQL Failover Clusters
  • Support SQL and oracle databases on Windows Operating systems.
  • Disk management
  • User management
  • Basic networking
  • Unix OS
  • Basic understanding of Unix OS commands to navigate, file management
  • Supporting Oracle databases on Unix
  • Disk management
  • Monitoring and administrating Oracle via Grid
  • Experience of enterprise scale infrastructure transition and transformation projects.
  • Experience of working within Data Centres and secure locations, following associated rules pertaining to them.
  • ITIL knowledge.
  • Excellent communication skills.
  • Strong documentation skills.
  • Customer and project delivery focused.


In-Scope Tasks:


  • The following are the key tasks expected to be performed by the DBA Build SME:
  • Deliver servers and services detailed in the project plan.
  • Review and provide realistic inputs to the project manager to assist with the project plan.
  • Review and provide realistic inputs to the test manager to assist with the testing plans.
  • Highlight any technical risks and issues with the architecture and designs.
  • Attend change board to aid changes progression.
  • Provide regular reporting updates to the Project Manager and TA where required.
  • Attend relevant project meetings and technical workshops where required when there are tangible DBA Build outputs.
  • Review and provide technical information for project change requests that require DBA Build input.
  • Ensure designs have been reviewed and approved by delivery towers and architecture approval boards.
  • Produce appropriate Low Level Design (LLD) documentation that is consistent with the solution and meets the business requirements of the client.
  • Peer review designs and documentation.
  • Liaise with 3rd Party suppliers and other partners when and where required to meet client requirements.
  • Creating, owning and executing test plans.
  • Drafting and submitting change requests.
  • Provide input and guidance into the Service Acceptance of the solution.




Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.


Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

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Learn more about us
At Atos, we embrace diversity as the ultimate engine of ingenuity for our clients, and we constantly strive to create a culture where people feel supported and encouraged. Read more about our commitment here

Whether it is fighting climate change, promoting digital inclusion, or ensuring trust in data management – tech for good sits at the core of our identity. With numerous global recognitions for our ESG practices, we are committed to building a better future for all by harnessing the power of technology. Learn more here