Lead Infrastructure Engineer Messaging

Sopra Steria; Gloucester; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

£5400 car allowance

25 days annual leave with option toBuy

private medical

life assurance

pension

generous flexible benefits fund

Job summary

Sopra Steria in Gloucestershire seeks a Lead Infrastructure Engineer for Messaging Solutions to own the design, implementation and evolution of secure messaging platforms supporting national security operations. You will provide technical leadership across complex infrastructure initiatives, focusing on availability, security and reliability in highly governed environments.

You will lead architecture and delivery for Microsoft Exchange On-Premises, secure communications, and related

Qualifications

• Extensive experience designing and implementing Exchange On-Premises in enterprise or regulated environments.
• Experience delivering secure messaging platforms and collaboration solutions.
• Proven ability to design messaging architectures and standards.

Responsibilities

• Lead architecture, design and implementation of secure messaging across mission-critical environments.
• Act as technical authority for Microsoft Exchange On-Premises and related messaging technologies.
• Define technical strategy and roadmaps for messaging capabilities.
• Provide advanced troubleshooting and root cause analysis for messaging issues.
• Lead technical delivery across projects ensuring secure, scalable, and governed solutions.
• Drive resilience, cost optimisation and continuous improvement of messaging platforms.

Skills

Exchange On-Premises

Messaging architecture

SharePoint SPSE

Skype for Business

Tools

Active Directory

Job description

Lead Infrastructure Engineer Messaging Solutions You will act as the technical authority and lead subject matter expert for enterprise messaging services, with particular focus on Microsoft Exchange On-Premises and secure communications technologies. Working within a highly governed and collaborative team, you will take ownership of the design, implementation and evolution of critical messaging platforms that support national security operations. This is a rare opportunity to shape the future direction of secure messaging capability, leading the delivery of new solutions from concept and architecture through to implementation, optimisation and lifecycle management. You'll provide technical leadership across complex infrastructure initiatives, ensuring messaging services remain resilient, secure and aligned to evolving user and operational requirements. The role will particularly appeal to individuals with experience in military messaging environments, defence communications, X.400 messaging systems or other highly secure communications infrastructures where security, availability and reliability are paramount. We recognise the importance of flexibility and, where business needs allow, support a range of flexible working arrangements, including compressed hours such as a five-day week worked over four days.

What you'll be doing:

• Leading the architecture, design and implementation of secure messaging and collaboration solutions across mission-critical environments.
• Acting as the technical authority and subject matter expert for Microsoft Exchange On-Premises and associated messaging technologies.
• Defining technical strategy, standards and roadmaps to support the evolution of messaging capability and the delivery of new services.
• Providing advanced troubleshooting, root cause analysis and resolution of complex messaging, infrastructure and platform issues.
• Leading technical delivery activities across projects, ensuring solutions are secure, scalable, supportable and aligned to governance requirements.
• Driving continuous improvement, resilience, supportability and cost optimisation across messaging and communication platforms.

What you'll bring:

• Extensive experience designing, engineering and implementing Microsoft Exchange On-Premises solutions within enterprise or highly regulated environments.
• Strong expertise in messaging architecture, infrastructure engineering and the delivery of secure communication platforms.
• Experience with SharePoint Server Subscription Edition (SPSE) and wider Microsoft collaboration technologies.
• Strong experience supporting and engineering Skype for Business within enterprise environments.
• Deep technical infrastructure knowledge including clustering, resilience, hardware evaluation, system integration and platform optimisation.
• Proven experience delivering technical solutions within highly governed environments and working to demanding service level agreements.

Employment Type: Full-time, Permanent.

Location: On-site, Gloucestershire

Security Clearance Level: Developed Vetting (DV)

Internal Recruiter:Jane

Salary: Dependent on experience. Details will be discussed with the recruiter.

Benefits:

• £5400 car allowance
• 25 days annual leave with the option to buy additional days
• private medical
• life assurance
• pension
• generous flexible benefits fund

Sopra Sterias Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the clients goal of National Security, and we operate in a unique and privileged environment. We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UKs most complex safety and security critical markets.