Senior Security & Network Engineer

About Datacenter Luxembourg:

We are a leading provider in IT Managed Services, specializing in Cloud, Connectivity, Cyber Security/Resilience, and Data Center Technologies. At Datacenter Luxembourg, innovation and quality of service are at the forefront of what we do. Our team of dedicated professionals is committed to meeting the evolving needs of our clients with expertise in crafting tailor-made solutions.

The Role:

As a Senior Security & Network Engineer at Datacenter Luxembourg, you will be at the forefront of designing, securing, and optimizing our network infrastructure. This role combines deep technical expertise with a strategic approach to cybersecurity, ensuring high availability, resilience, and protection against evolving threats. You will play a key role in implementing robust security measures, troubleshooting complex network issues, and driving continuous improvements, offering a dynamic and impactful position within our company.

Responsibilities:

• Provision, install, integrate and monitor Network & Security-related infrastructure

• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure

• Identify and define system security requirements

• Prepare and document standard security operating procedures and protocols

• Configure and troubleshoot security infrastructure devices

• Develop technical solutions and new security tools to help mitigate security vulnerabilities and automate repeatable tasks

• Write comprehensive reports including assessment-based findings, outcomes, and propositions for further system security enhancement

• Build network configurations and topology

• Maximize performance by troubleshooting network problems and outages and scheduling upgrades

• Applying operating system updates, patches, and configuration changes

• Secure network system by establishing and enforcing policies and defining and monitoring access

• Assume operational responsibility for our network and monitoring systems

• Provision new circuits

• Configure and install various network devices and services (e.g., routers, switches, Firewalls, load balancers)

• Ensuring that the network infrastructure is up and running at all times

• Ensure systems comply with industry standards

• Provide Level-2/3 support and troubleshooting to resolve issues

• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the security and network infrastructure

• Perform maintenance and system upgrades including service packs, patches, hot fixes, and security configurations

• Monitor performance and ensure system availability and reliability

• Monitor system resource utilization, trending, and capacity planning

Experience and Education:

• Master’s degree (Bac + 5) in Information Technology

• Minimum of 4 years of experience in Networking and Security preferably by an ICT services' provider

• Deep understanding of networking protocols (BGP, MPLS, IS-IS, MACSEC, L2VPN, L3VPN, IPsec, OSPF, 802.1X, QoS, VLANs, MSTP, LACP, Lag/MC-Lag, VRF, EVPN-VxLAN...)

• Firewalls (UTM, NGFW): Fortinet, Sophos and Cisco

• Security solutions: HTTP/S Inspection, Application control, WAF, IDS/IPS, DLP, Mail Security GateWay, Web protection, EDR/XDR, SIEM

• General knowledge about authentication services such as: AD, ADFS, LDAPS, RADIUS, MFA

• Notion of VMware NSX and SD-WAN will be considered as an asset

• You have experience with pre-sales activities

• You are used to work in a project management framework

• Experience of aligning solutions to business requirements and priorities

• Proven track-record in complex environment or projects

• Proven experience in Cloud and Virtualization, Managed Infrastructure Solutions, Network & Communications;.

• Any Networking/Security certification will be considered as an asset

Key Competences:

• Strong interpersonal capabilities

• Creative ‘out of the box’ thinker. 

• Exceptional work ethic, the ability to work independently, self-motivated, driven and a strong desire to succeed.

• You are a team player

• Be focused and passionate about customer and company success.

• Have problem solving skills, logical thinking and analytical abilities.

• Good level in French and English is required, other languages are considered as an asset (Luxembourgish, German);

Our offer:

• A challenging, versatile, and varied field of activity
• A respectful employee culture, flat hierarchies, short communication channels and an open-door policy
• The position will honor dedication, diligence and structured and independent working
• Easy access (close to the French Boarder) with free parking space

Application:

You are ambitious, motivated and a team-player who wants to give a boost to his/her career? You want to join a dynamic and growing company with challenging national and international projects in different industries. Great, we were looking for you ! Come and join us.