Senior Telecom Technical Architect

ABGi Technology is recruiting on behalf of its client, a large industrial group in the energy sector, for its future Senior Telecom Technical Architect, based in Lyon.

🔎 YOUR MISSIONS

As part of the evolution and securing of its digital infrastructure, our client wishes to strengthen its team responsible for network and telecoms services with a Senior Telecom Technical Architect.

You will work within a sensitive and demanding industrial environment, notably around infrastructure for site protection, industrial video, connected objects (IoT), industrial networks and telecommunications.

Your role will be to design and develop network and telecoms architectures, support projects in their technical choices and ensure that the requirements of security, performance, resilience and operability are taken into account.

You will work in interaction with business teams, project teams, network and cybersecurity experts, operations teams, as well as the various architecture and governance bodies.

The missions required of you:

• Carry out network and telecoms architecture studies;

• Design and formalise target technical architectures;

• Carry out preliminary studies and feasibility studies;

• Analyse the technical impacts linked to the integration or evolution of new solutions;

• Carry out POCs and demonstrators to validate architecture choices;

• Take part in budget estimates associated with the proposed solutions;

• Contribute to transformation and evolution projects for network and telecoms infrastructure;

• Support business teams in understanding and formalising their technical needs;

• Recommend technical solutions suited to functional, industrial and security constraints;

• Prepare the various implementation phases of the solutions;

• Develop test strategies and test plans;

• Support the transfer of skills to operations teams;

• Prepare and present technical files at architecture committees;

• Take part in the various validation and governance bodies;

• Carry out and track requests for flow opening;

• Build and maintain network flow matrices;

• Take part in IS risk analyses and cybersecurity studies;

• Contribute to vulnerability reviews of infrastructure;

• Define and maintain IP addressing plans;

• Produce and maintain network and telecoms architecture diagrams;

• Write and update architecture and operations documents: DAT, DEX, PTI, PTE;

• Carry out technical benchmarks and analyse the various solutions on the market;

• Study the roadmaps of publishers and manufacturers;

• Monitor vulnerabilities that could affect the infrastructure;

• Identify and propose continuous improvement opportunities;

• Produce the minutes and materials required by the various technical bodies;

• Work in a project environment based notably on Agile / SAFe methodologies.

🎯 OUR REQUIREMENTS

Required skills and experience:

• Minimum 7 years of professional experience in networks, telecommunications or infrastructure architecture;

• Significant experience in designing and evolving complex network and telecoms architectures;

• Very good command of LAN / Switching and WAN environments;

• Solid knowledge of MPLS and MPLS L3 VPN architectures;

• Command of the OSPF and MP-BGP routing protocols;

• Good understanding of IGP / EGP protocols;

• Good knowledge of the various telecoms transmission media;

• Command of network security issues: Firewall, DMZ, segregation, IPSec and flow management;

• Good understanding of standards and principles for securing network and telecoms infrastructure;

• Command of issues related to DNS and authentication;

• Good understanding of virtualisation environments;

• Ability to design and maintain IP addressing plans and flow matrices;

• Experience producing technical architecture documents: DAT, detailed architecture files, DEX, PTI and PTE;

• Ability to produce and present complex architecture diagrams;

• Experience carrying out technical studies, POCs and benchmarks;

• Ability to take part in IS risk analyses and cybersecurity studies;

• Experience preparing and presenting files at architecture committees.

The following skills are real advantages:

• Architecture of industrial video solutions;

• Fixed and mobile telephony;

• 4G mobile networks;

• Architectures associated with connected objects (IoT);

• Industrial protocols such as Modbus and IEC 60870-5-104 (IEC 104);

• Industrial networks;

• control and command systems;

• Architecture and securing of installation protection systems;

• Industrial cybersecurity;

• Experience on critical or strategic infrastructure;

• Knowledge of Agile / SAFe methodologies.

Experience within a demanding industrial environment is a real advantage, particularly in the energy, nuclear, critical infrastructure, transport or heavy industry sectors.

👤 PROFILE SOUGHT

With a higher education qualification in telecommunications, networks, computing, industrial systems or an equivalent field, you can demonstrate at least 7 years of relevant professional experience, with significant experience in network and telecoms architecture roles.

You have a high degree of autonomy and are able to take on complex architecture topics, from analysing needs and feasibility studies through to defining the target architecture and supporting its implementation.

You are comfortable with network and telecommunications issues as well as cybersecurity and industrial infrastructure challenges.

Your rigour, your ability to synthesise and your writing skills enable you to produce clear and structured architecture documents and to defend your technical choices before the various governance bodies.

You enjoy cross-functional work and can communicate with a variety of stakeholders: business teams, technical experts, cybersecurity teams, operators, project managers and architecture leads.

Your service orientation, interpersonal skills, organisation and ability to work independently will be essential to succeed in this assignment.

📍 MISSION INFORMATION

• Location: Lyon

• Remote working: 1 to 2 days per week

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