Network and security L2

Organization

Type of position : CDI
Time : Full time
Location: Tour Hekla - la défense Paris
Supervisor: Head of Global Infrastructure

Context

Lynxeo, formerly part of the Nexans Group, specializes in designing and manufacturing cables and technology solutions for global industrial leaders such as RATP, Siemens, CRRC, HHI, Airbus, Vestas, and Engie. With over 125 years of expertise, we have built a strong presence across diverse sectors including railways, shipbuilding, automation, aerospace, healthcare, renewable energy, and nuclear power.

We operate 20 sites across 4 continents (France, Germany, Italy, Spain, Poland, Denmark, Morocco, China, Korea, Singapore, and the US) with a global workforce of over 2,000 professionals. Generating annual sales exceeding €700 million, Lynxeo is a global player in specialty industrial cables. Together with our customers, we tackle the most pressing challenges of our time: accelerating the transition to sustainable energy, advancing sustainable mobility, and driving industrial digitalization.

Within this position, you will be part of the Global IT Infrastructure Center of Excellence (>100 people internal and external) within Lynxeo IS department which is in charge of managing globally Operations, Production, Projects and Strategy for IT infrastructure. You'll arrive in a context of highly visible transformation Program requiring strong capacity of adaptation and aptitude for change. You'll get interactions with the Hosting/Platform/Cloud team, application teams, regional teams. 2,500 computers, 20 sites (90% of plants), 2 datacenters, about 400 applications.

Purpose

We are looking for talent with strong technical skills who can support Lynxeo corporate and worldwide Network and security landscape (Switches, Firewalls, WAF, ...). He/she will work in close relationship with other teams to maintain the available solutions to help our Business. Groups realise our Service-oriented Digital Transformation. He/she will need to demonstrate strong technical skills and experience managing parallel actions, with full control of the scope he/she’s managing (technical, inventory, best practices, obsolescence management...)

Areas of responsabilities

• Resolve service problems by performing Root Cause Analysis (RCA) and designing action plans for unknown errors reported through the Problem Management Dashboard
• Perform solution releases by authorizing, validating (changes, upgrades, updates, patches, and migrations), and implementing them
• Act as the L2 level function and manage communication with vendors in case of problems, patches, and maintenance
• Ensure to keep the SMBD up to date by adding/modifying CI as implied by incidents, changes, and release processes
• Perform technical and management escalations as implied by the escalation process to ensure network and security tasks are progressing toward resolution and/or completion.
• Provide second line support and escalation of helpdesk tickets to our users, working accordingly to the SLA’s
• Provide remote support and change management assistance to our user base on an 8x5 basis as required
• Ensure that users are updated continuously on the status of their issues and that user's satisfaction is maintained at a high level
• Typical services are LAN, WAN, IT/OT (Operational Technology) firewalls, infra as a code, Firewall rules automation)

• Technical implementation of standard, complex, urgent Changes
• Integration of Changes in the ticketing tool
• Planning of Changes (implementation chronograms)
• Participation in Change Advisory Board (CAB) meetings
• Implementation of Changes in Business Hours (BH) and Non-Business Hours (NBH)

• Update of technical reference documents and associated databases (Diagrams, operating procedures, CMDB, etc.)
• Contribution to the Security processes / workflows, (e.g., Firewall rules)
• Handling of routine production tasks (regular checks, inventory, monitoring, backup, maintenance...)
• Incident / crisis management
• Writing of incident reports and root-cause analysis

•  Contribution to the definition of sustainable solutions - technical and CSR (Corporate & Social Responsibility)oriented
• Ensure the Configuration Management DataBase (CMDB) is up to date
• Network monitoring activities via corporate monitoring tool

Expected results

• Strong collaboration with other technical experts, on his scope of reference
• Share the info with Level 3 engineers
• Reporting to the Network and Security Manager
• Good tickets’ backlog management (incidents & changes)
• Continuous improvement (monitoring, operating instructions, etc.)

Required Skills and qualifications

Required:

• More than 5 years' experience
• Experience in international, multi-site and multi-cultural environments
• Good knowledge of Agile principles
• Proven experience or capacity to demonstrate ability to learn on the job
• Strong Team spirit
• Fluent English
• Advanced knowledge of Cisco (Switching and Meraki) ; CCNA and CCNP will be appreciated
• Advanced knowledge on Fortinet (Fortigate, Fortimanager, Fortinanalyzer, Forti authenticator, EMS)
• Knowledge in Network as Code / automation / scripting (Ansible, Terraform, Python or other)

Preferred:

• Solid understanding of networking technologies, LAN/WAN, routing, switching, IP sub-netting, and will possess a good understanding of the 7-layer OSI model and associated protocol
• Advanced knowledge of Zscaler (ZIA, ZPA, Cloud firewall) or similar technologies
• Advanced knowledge of Forcepoint (SD-WAN)
• Technical hands-on experience in Network as Code / automation / scripting will be a strong differentiator,
• Knowledge of industrial context and OT is a plus however, the mindset of the candidate is more important than the actual knowledge, which can be acquired on the job and through training

Soft skills:

• Analytical and problem-solving skills
• Creative
• Solution-oriented and pragmatic
• Concerned with making things work
• Ability to communicate and cooperate clearly and concisely, both orally and in writing
• Curiosity, integrity, freedom of thought, discernment and respect for others
• Fun to work with!

At Lynxeo, we're ready to electrify industry. This means supporting our clients with customized cabling and connectivity solutions that meet all their energy, data transmission, and automation needs. Lynxeo recognizes the differences that make each employee valuable and unique. Diversity is key to performance and our overall ambition to lead the world in the energy transition toward a sustainable planet.