Network Consulting Manager

Sopra Steria Limited; Corsham; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Sopra Steria Limited is seeking a JMNIAN Service Delivery & International Network Lead to represent the UK on an international stage, guide critical networking capabilities, and collaborate with military, government and industry leaders to deliver secure communications for mission success. Hybrid: 1 day in Corsham per week, with some international travel and SC clearance eligibility.

The role focuses on stakeholder engagement, governance and strategic guidance for JMNIAN growth and future

Responsibilities

• Represent the UK in the multinational CFBLNet community and work with senior defence stakeholders.
• Drive stakeholder engagement across MOD, defence industry, coalition partners and international organisations.
• Provide strategic technical guidance for ongoing development of JMNIAN and allied secure networking services.
• Coordinate governance, policy implementation and security accreditation activities.
• Support international travel and secure communications projects in a complex, safety‑critical environment.

Job description

As the JMNIAN Service Delivery & International Network Lead, you'll represent the UK on the international stage, guide the evolution of critical networking capabilities, and work alongside military, government and industry leaders to deliver secure communications that support mission success worldwide. Hybrid: 1 day in Corsham per week. Some International travel. Must be SC Cleared or eligible. What You'll Be Doing:

• As a trusted representative and strategic lead, you will:
• Drive stakeholder engagement across the MOD, defence industry, coalition partners, and international organisations.
• Represent the UK within the multinational CFBLNet community, promoting capability growth, collaboration, and operational effectiveness.
• Deliver high-quality reporting and updates to programme boards, project offices, and senior defence stakeholders.
• Act as the UK's focal point for key governance forums, change boards, and management meetings.
• Capture and shape future network requirements, supporting capability growth, expansion, and new operational demands.
• Provide strategic technical guidance for the ongoing development of JMNIAN and related secure networking services.
• Support network approvals, security accreditation, policy implementation, and compliance activities.
• Coordinate with MOD delivery teams and industry partners to enable future networking capabilities and international connectivity.
• Influence decisions that directly support multinational defence operations and mission success.
• Strong stakeholder management and communication skills.
• Experience gathering, analysing, and translating complex requirements.
• Background in service delivery, operations, or capability management.
• Ability to provide technical guidance to support growth and service evolution.
• Experience working with governance, policy, and operational procedures.
• Confident engaging with senior leaders from a variety of technical and non-technical backgrounds.

You’ll ideally have experience across a broad range of enterprise and defence networking technologies, including:

• Cisco routing, switching, and Unified Communications.
• Network security, firewalls, IDS/IPS technologies.
• SIEM and security monitoring platforms.
• Endpoint management and data protection solutions.
• Microsoft Exchange and Windows Server environments.
• Active Directory, SCCM and SCOM.
• Linux administration.
• WAN technologies and secure communications environments.
• Nexus switching, ACI, NSX and modern network architectures.

Sopra Steria's 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 client's 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 UK's most complex safety- and security-critical markets.