Network Engineer at AUBAY S.A.

📍 Job Overview

Job Title: Network Engineer
Company: AUBAY S.A.
Location: Kirchberg, Luxembourg
Job Type: On-site, Full-time
Category: Infrastructure & Operations
Date Posted: July 28, 2025

🚀 Role Summary

Key Responsibilities: Manage daily network activities, ensure network operations and maintenance, monitor network stability, diagnose and resolve issues, provide Level 3 support, and collaborate with other teams.
Key Technologies: IPV4, TCP/IP, STP, Dot1Q, OSPF, EIGRP, BGP, Static, MPLS, LDP, VRF, MP-BGP, DataCenter (Cisco Nexus 7000, 9000, Fex), High Availability (HSRP, Port-Channel, VDC, VPC), Tunnel GRE, IPSec, QoS, SD-WAN, Cisco ISE, Cisco Prime, Spectrum, 802.1x.

📝 Enhancement Note: This role requires a strong background in DataCenter operations and high availability solutions, with a focus on Cisco network equipment.

💻 Primary Responsibilities

Network Management: Manage daily network activities, ensure network operations and maintenance, and monitor network stability.
Troubleshooting: Diagnose and resolve network issues, provide Level 3 support, and collaborate with other teams to address problems.
Project Support: Participate in project meetings, provide recommendations, and contribute to the improvement of network infrastructure management.
Documentation: Maintain up-to-date network documentation and referentials.

📝 Enhancement Note: The Network Engineer will play a crucial role in ensuring the bank's network remains stable, secure, and performant, supporting both internal users and critical business applications.

🎓 Skills & Qualifications

Education: A bachelor's degree in Computer Science, Information Technology, or a related field is preferred. Relevant certifications (e.g., CCNA, CCNP) are a plus.

Experience: Proven experience (2-5 years) in network engineering, with a strong background in DataCenter operations and high availability solutions.

Required Skills:

Proficient in IPV4, TCP/IP, STP, Dot1Q, OSPF, EIGRP, BGP, Static, MPLS, LDP, VRF, MP-BGP, and other relevant networking protocols.
Experience with Cisco network equipment (Cisco Nexus 7000, 9000, Fex) and high availability solutions (HSRP, Port-Channel, VDC, VPC).
Familiarity with network monitoring tools (e.g., Cisco Prime, Spectrum) and network security solutions (e.g., Cisco ISE, IPSec).
Strong troubleshooting skills and the ability to work well under pressure.
Excellent communication and teamwork skills.

Preferred Skills:

Experience with SD-WAN and QoS.
Knowledge of scripting languages (e.g., Python, PowerShell) for network automation.
Familiarity with network virtualization and software-defined networking (SDN) concepts.

📝 Enhancement Note: Candidates with experience in a banking environment or familiar with financial services industry regulations will have an advantage.

📊 Portfolio & Project Requirements

Portfolio Essentials: A portfolio showcasing previous network engineering projects, highlighting your problem-solving skills, network design, and implementation capabilities.
Technical Documentation: Documented network diagrams, network configurations, and network-related project case studies demonstrating your understanding of network infrastructure and your ability to optimize network performance.

💵 Compensation & Benefits

Salary Range: The estimated salary range for this role in Luxembourg is between €45,000 and €65,000 per year, depending on experience and qualifications. This estimate is based on market research and industry standards for network engineering roles in Luxembourg.

Benefits: AUBAY S.A. offers a comprehensive benefits package, including health insurance, pension plans, and various employee discounts. Details on additional benefits can be provided upon request.

Working Hours: The standard workweek is 40 hours, with flexible working hours and the possibility of remote work for specific tasks. The role may require on-call duties and participation in maintenance windows.

📝 Enhancement Note: The salary range provided is an estimate and may vary based on individual qualifications, experience, and market conditions.

🎯 Team & Company Context

🏢 Company Culture

Industry: AUBAY S.A. is a leading IT services and consulting firm operating in various industries, including finance, telecommunications, and public sector. In this role, you will work within the banking sector, supporting the client's network infrastructure.

Company Size: AUBAY S.A. has a workforce of over 2,500 employees, providing ample opportunities for collaboration and professional growth.

Founded: AUBAY S.A. was founded in 1991 and has since grown to become a major player in the European IT services market.

Team Structure: The network engineering team consists of experienced professionals, with a clear hierarchy and well-defined roles. The team works closely with other IT departments, such as data center management and delivery management, to ensure seamless network operations.

Development Methodology: AUBAY S.A. follows Agile methodologies for project management, with a focus on iterative development and continuous improvement.

Company Website: AUBAY S.A. Website

📝 Enhancement Note: AUBAY S.A. values innovation, collaboration, and continuous learning, providing an ideal environment for network engineering professionals to grow and develop their skills.

📈 Career & Growth Analysis

Network Engineer Career Level: This role is at the intermediate level, focusing on day-to-day network management, troubleshooting, and collaboration with other teams. The ideal candidate will have 2-5 years of experience in network engineering and a strong background in DataCenter operations and high availability solutions.

Reporting Structure: The Network Engineer will report directly to the Network Manager and work closely with other IT teams, such as data center management and delivery management.

Technical Impact: The Network Engineer will play a crucial role in maintaining the bank's network infrastructure, ensuring high availability, and supporting critical business applications. Their work will directly impact the bank's overall performance and user experience.

Growth Opportunities:

Senior Network Engineer: After gaining experience and demonstrating strong performance, the Network Engineer can progress to a senior role, focusing on network architecture, strategic planning, and team leadership.
Network Architect: With additional experience and relevant certifications, the Network Engineer can transition into a network architect role, focusing on network design, optimization, and innovation.
IT Manager/Director: With a strong technical background and proven leadership skills, the Network Engineer can advance to an IT management role, overseeing the bank's entire IT infrastructure and driving strategic IT initiatives.

📝 Enhancement Note: Career progression within AUBAY S.A. is based on individual performance, relevant experience, and demonstrated leadership skills. The company encourages continuous learning and professional development.

🌐 Work Environment

Office Type: AUBAY S.A.'s office in Kirchberg, Luxembourg, is a modern, collaborative workspace designed to foster innovation and teamwork. The office features state-of-the-art technology, comfortable workspaces, and ample opportunities for informal collaboration.

Office Location(s): Kirchberg, Luxembourg

Workspace Context:

Collaboration: The office encourages cross-functional collaboration, with dedicated spaces for team meetings, brainstorming sessions, and informal discussions.
Technology: The workspace is equipped with high-speed internet, multiple monitors, and other tools necessary for network engineering tasks.
Flexibility: The office offers flexible work arrangements, with the possibility of remote work for specific tasks and on-call duties.

Work Schedule: The standard workweek is 40 hours, with flexible working hours and the possibility of remote work for specific tasks. The role may require on-call duties and participation in maintenance windows.

📝 Enhancement Note: AUBAY S.A. values work-life balance and provides a flexible work environment that supports the well-being of its employees.

📄 Application & Technical Interview Process

Interview Process:

Phone/Video Screen: A brief conversation to assess communication skills, motivation, and initial technical fit.
Technical Assessment: A hands-on assessment focusing on network configuration, troubleshooting, and problem-solving skills using Cisco network equipment and relevant tools.
Behavioral Interview: A discussion focusing on past experiences, problem-solving skills, and cultural fit within AUBAY S.A. and the banking sector.
Final Interview: A meeting with the hiring manager and other team members to discuss the candidate's fit for the role and the team.

Portfolio Review Tips:

Highlight previous network engineering projects that demonstrate your problem-solving skills, network design, and implementation capabilities.
Include network diagrams, network configurations, and network-related project case studies that showcase your understanding of network infrastructure and your ability to optimize network performance.
Be prepared to discuss your approach to network security, high availability, and network monitoring.

Technical Challenge Preparation:

Brush up on your knowledge of networking protocols, Cisco network equipment, and relevant tools.
Practice network configuration, troubleshooting, and problem-solving exercises using Cisco Packet Tracer or other network simulation tools.
Familiarize yourself with the banking sector's unique network requirements and regulatory compliance standards.

ATS Keywords: Network Engineer, IPV4, TCP/IP, STP, Dot1Q, OSPF, EIGRP, BGP, Static, MPLS, LDP, VRF, MP-BGP, Cisco Nexus, High Availability, Network Monitoring, Troubleshooting, Banking Sector, Financial Services, DataCenter, Network Architecture, Network Security, Network Optimization.

📝 Enhancement Note: The interview process is designed to assess the candidate's technical skills, problem-solving abilities, and cultural fit within AUBAY S.A. and the banking sector. Successful candidates will demonstrate a strong background in network engineering, a proactive approach to problem-solving, and excellent communication skills.

🛠 Technology Stack & Web Infrastructure

Networking Technologies:

IPV4, TCP/IP, STP, Dot1Q, OSPF, EIGRP, BGP, Static, MPLS, LDP, VRF, MP-BGP
Cisco network equipment (Cisco Nexus 7000, 9000, Fex)
High availability solutions (HSRP, Port-Channel, VDC, VPC)
Network monitoring tools (Cisco Prime, Spectrum)
Network security solutions (Cisco ISE, IPSec)

Network Infrastructure:

DataCenter (Cisco Nexus 7000, 9000, Fex)
High availability solutions (HSRP, Port-Channel, VDC, VPC)
Network virtualization and software-defined networking (SDN) concepts

📝 Enhancement Note: The technology stack for this role is focused on Cisco network equipment and relevant networking protocols, with an emphasis on high availability and network security solutions.

👥 Team Culture & Values

Network Engineering Values:

Proactivity: AUBAY S.A. values network engineers who proactively identify and address potential network issues, ensuring high availability and optimal performance.
Collaboration: The network engineering team works closely with other IT departments, such as data center management and delivery management, to ensure seamless network operations and support critical business applications.
Continuous Learning: AUBAY S.A. encourages network engineers to stay up-to-date with the latest networking technologies, industry best practices, and relevant certifications.
Customer Focus: Network engineers are expected to understand the unique network requirements of the banking sector and work diligently to ensure high-quality network services for the bank's users and critical business applications.

Collaboration Style:

Cross-functional Integration: The network engineering team works closely with other IT departments, such as data center management and delivery management, to ensure seamless network operations and support critical business applications.
Code Review Culture: AUBAY S.A. encourages network engineers to review each other's network configurations and troubleshooting approaches, fostering a culture of continuous learning and improvement.
Knowledge Sharing: Network engineers are encouraged to share their knowledge and expertise with their colleagues, contributing to the overall growth and development of the team.

📝 Enhancement Note: AUBAY S.A. values a collaborative, customer-focused, and continuously learning culture, providing an ideal environment for network engineering professionals to grow and develop their skills.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Stability: Maintain network stability and high availability in a dynamic banking environment, supporting critical business applications and a large user base.
Regulatory Compliance: Ensure network compliance with banking sector regulations and industry standards, such as PCI-DSS and GDPR.
Network Optimization: Continuously optimize network performance, minimizing latency, and maximizing throughput to support the bank's growing user base and application portfolio.
Network Security: Implement and maintain robust network security measures, protecting the bank's network infrastructure from cyber threats and unauthorized access.

Learning & Development Opportunities:

Networking Technologies: Stay up-to-date with the latest networking technologies, industry best practices, and relevant certifications (e.g., CCNA, CCNP).
Banking Sector: Familiarize yourself with the unique network requirements and regulatory compliance standards of the banking sector.
Leadership Skills: Develop your leadership skills and gain experience managing network engineering teams, driving strategic IT initiatives, and contributing to the overall growth and success of the organization.

📝 Enhancement Note: The technical challenges and learning opportunities for this role are focused on network engineering, with an emphasis on high availability, network security, and regulatory compliance within the banking sector.

💡 Interview Preparation

Technical Questions:

Networking Fundamentals: Be prepared to discuss your understanding of networking protocols, Cisco network equipment, and relevant tools. Brush up on your knowledge of IPV4, TCP/IP, STP, Dot1Q, OSPF, EIGRP, BGP, Static, MPLS, LDP, VRF, MP-BGP, and other relevant networking concepts.
Cisco Network Equipment: Demonstrate your proficiency in configuring, managing, and troubleshooting Cisco network equipment, with a focus on Cisco Nexus 7000, 9000, and Fex.
Network Security: Showcase your understanding of network security principles, with a focus on high availability, network monitoring, and regulatory compliance within the banking sector.

Company & Culture Questions:

AUBAY S.A. Culture: Research AUBAY S.A.'s company culture, values, and mission. Be prepared to discuss how your personal values align with those of the organization and how you can contribute to its success.
Banking Sector: Familiarize yourself with the unique network requirements and regulatory compliance standards of the banking sector. Be prepared to discuss your understanding of the industry and how your skills and experience make you a strong fit for this role.
Team Dynamics: Research the network engineering team's structure, dynamics, and collaborative approach. Be prepared to discuss your ability to work effectively within a team and contribute to the overall success of the organization.

Portfolio Presentation Strategy:

Live Demonstration: Prepare a live demonstration of your network engineering projects, highlighting your problem-solving skills, network design, and implementation capabilities.
Technical Walkthrough: Be prepared to provide a detailed technical walkthrough of your network engineering projects, including network diagrams, network configurations, and network-related project case studies.
User Experience: Showcase your understanding of the user experience within the banking sector, discussing how your network engineering projects have improved user experience and supported critical business applications.

📝 Enhancement Note: The interview process is designed to assess the candidate's technical skills, problem-solving abilities, and cultural fit within AUBAY S.A. and the banking sector. Successful candidates will demonstrate a strong background in network engineering, a proactive approach to problem-solving, and excellent communication skills.

📌 Application Steps

To apply for this Network Engineer position:

Submit Your Application: Click on the application link and submit your resume, highlighting your relevant experience, skills, and qualifications.
Prepare Your Portfolio: Customize your network engineering portfolio, focusing on projects that demonstrate your problem-solving skills, network design, and implementation capabilities. Include live demos, network diagrams, and network-related project case studies.
Optimize Your Resume: Tailor your resume to the Network Engineer role, emphasizing your relevant experience, skills, and qualifications. Highlight your proficiency in networking protocols, Cisco network equipment, and relevant tools.
Research the Company: Familiarize yourself with AUBAY S.A.'s company culture, values, and mission. Understand the unique network requirements and regulatory compliance standards of the banking sector.
Prepare for Technical Interviews: Brush up on your knowledge of networking protocols, Cisco network equipment, and relevant tools. Practice network configuration, troubleshooting, and problem-solving exercises using Cisco Packet Tracer or other network simulation tools.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and network engineering industry-standard assumptions. All details should be verified directly with AUBAY S.A. before making application decisions.

Network Engineer