📍 Job Overview

Job Title: 3rd Level Data Network Engineer
Company: BT Group
Location: Budapest, Hungary
Job Type: On-site
Category: Network Engineering
Date Posted: 27th June 2025
Experience Level: Mid-Senior level (5-10 years)
Remote Status: On-site

🚀 Role Summary

Key Responsibilities: Set up, maintain, and troubleshoot networks, ensuring high availability and reliability. Provide Level 3 support and collaborate with vendors for problem resolution.
Key Skills: Network engineering, troubleshooting, configuration management, network maintenance, monitoring tools, Juniper routing, automation skills, networking protocols, customer service, communication, problem-solving, adaptability, escalation management, continuous improvement, decision-making, and growth mindset.

📝 Enhancement Note: This role requires a strong technical background in network engineering with a focus on troubleshooting and maintaining networks. The role also involves collaborating with vendors and other IT personnel, emphasizing the importance of communication and customer service skills.

💻 Primary Responsibilities

Network Configuration & Installation: Configure and install various network devices and services, ensuring they meet the organization's needs and comply with established policies.
Network Maintenance: Perform regular network maintenance tasks, including system upgrades, to ensure optimal performance and minimal downtime.
Network Monitoring: Monitor network performance using relevant tools to ensure availability and reliability. Troubleshoot any issues that arise and take appropriate action to resolve them.
Level 3 Support: Provide expert technical support to users and staff members, helping to resolve complex network issues and escalations.
Vendor Liaison: Collaborate with vendors and other IT personnel to diagnose and resolve network problems, ensuring minimal impact on the organization's operations.
Change Management: Work within established configuration and change management policies to ensure network changes are controlled, documented, and tested before implementation.

📝 Enhancement Note: This role requires a deep understanding of networking protocols and hands-on experience with monitoring, diagnostic, and network analytics tools. The ability to work effectively with vendors and other IT personnel is also crucial for successful performance in this role.

🎓 Skills & Qualifications

Education: A relevant degree in Computer Science, Engineering, or a related field is preferred. However, equivalent experience may be considered.

Experience: Proven hands-on network engineering experience is essential, with a CCNP or higher certification. A minimum of 5-10 years of experience in a similar role is expected.

Required Skills:

Proven hands-on network engineering experience
CCNP or higher certification
Deep understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
Solid understanding of the OSI or TCP/IP model
Hands-on experience with monitoring, network diagnostic, and network analytics tools
Experience with Juniper routing and switching
Automation skills (e.g., Python, Ansible, bash)

Preferred Skills:

Experience with other network devices and platforms (e.g., Cisco, Arista, Huawei)
Familiarity with cloud-based network services (e.g., AWS, Azure, Google Cloud)
Knowledge of network security principles and best practices
Experience with network virtualization and software-defined networking (SDN)

📝 Enhancement Note: While the required skills list is comprehensive, candidates with a strong background in network engineering and a willingness to learn and adapt to new technologies will be well-suited to this role. Familiarity with cloud-based network services and network security principles would be beneficial but not strictly required.

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

Network Documentation: Include detailed network diagrams, topology maps, and configuration guides demonstrating your understanding of network design and architecture.
Troubleshooting Case Studies: Provide examples of complex network issues you've resolved, highlighting your problem-solving skills and technical expertise.
Network Optimization Projects: Showcase projects where you've optimized network performance, improved scalability, or enhanced security, highlighting your ability to make data-driven decisions.
Collaboration & Communication: Demonstrate your ability to work effectively with vendors and other IT personnel by including examples of successful collaboration and communication in your portfolio.

Technical Documentation:

Configuration Management: Include detailed configuration guides and change logs demonstrating your ability to manage network changes effectively.
Network Monitoring & Analytics: Showcase your experience with network monitoring and analytics tools by including examples of performance metrics, alerts, and reports.
Testing & Validation: Provide examples of network testing and validation processes, demonstrating your attention to detail and commitment to quality assurance.

📝 Enhancement Note: As this role focuses on network engineering and troubleshooting, candidates should emphasize their technical expertise and problem-solving skills in their portfolio. Including examples of successful collaboration and communication with vendors and other IT personnel will also help demonstrate the candidate's fit for this role.

💵 Compensation & Benefits

Salary Range: The salary range for this role is estimated to be between €50,000 and €70,000 per year, based on market research and regional adjustments for the Budapest, Hungary area.

Benefits:

Competitive pension scheme
Health and well-being benefits, including private medical insurance and dental care
Generous annual leave allowance
Flexible working arrangements, including job share partnerships and reduced hours
Employee discounts on BT products and services
Opportunities for professional development and career progression

Working Hours: The standard working week is 37.5 hours, typically Monday to Friday, with some flexibility for maintenance windows and project deadlines.

📝 Enhancement Note: While the salary range provided is an estimate based on market research and regional adjustments, candidates are encouraged to research salary expectations for network engineering roles in the Budapest, Hungary area to ensure a competitive offer.

🎯 Team & Company Context

🏢 Company Culture

Industry: BT is a global leader in secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments to sole traders and new start-ups. The company values diversity and inclusion and aims to make a positive impact by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

Company Size: BT is a large organization with over 100,000 employees worldwide, providing ample opportunities for career growth and development.

Founded: BT was founded in 1846 and has since grown into a global telecommunications and network services provider.

Team Structure:

Network Engineering Team: The team consists of network engineers responsible for designing, implementing, and maintaining the organization's network infrastructure. The team is divided into sub-teams focusing on specific network domains, such as core, distribution, and access layers.
Reporting Structure: Network engineers report to team leaders or managers, who are responsible for overseeing day-to-day operations and ensuring that network services meet the organization's requirements.
Cross-Functional Collaboration: Network engineers collaborate with other IT teams, such as security, cloud, and data center teams, to ensure that network services are integrated and aligned with the organization's overall IT strategy.

Development Methodology:

Agile/Scrum Methodologies: The network engineering team follows Agile/Scrum methodologies for network project management, with regular sprint planning and stand-up meetings to ensure efficient progress and collaboration.
Code Review & Testing: Network engineers follow best practices for code review, testing, and quality assurance to ensure the reliability and performance of network services.
Deployment Strategies: The team employs CI/CD pipelines and automated deployment strategies to minimize manual intervention and ensure consistent network configuration and management.

Company Website: BT Group Website

📝 Enhancement Note: BT's company culture emphasizes diversity, inclusion, and making a positive impact through digital inclusion and skill development. The company's large size and global presence offer numerous opportunities for career growth and development within the network engineering team.

📈 Career & Growth Analysis

Web Technology Career Level: This role is at the mid-senior level, requiring a strong technical background in network engineering and a proven track record of successful network design, implementation, and troubleshooting. The role involves providing Level 3 support and collaborating with vendors and other IT personnel, emphasizing the importance of communication and customer service skills.

Reporting Structure: Network engineers in this role report to team leaders or managers, who oversee day-to-day operations and ensure that network services meet the organization's requirements. The role may also involve mentoring junior network engineers and contributing to the team's technical development.

Technical Impact: The role has a significant impact on the organization's network infrastructure, ensuring high availability, reliability, and performance. The network engineer is responsible for designing, implementing, and maintaining network services that support the organization's operations and enable its employees to work effectively.

Growth Opportunities:

Technical Specialization: Network engineers in this role can specialize in specific network domains, such as data center networking, cloud networking, or network security, and develop expertise in emerging technologies.
Technical Leadership: With experience and demonstrated technical expertise, network engineers can progress to technical leadership roles, such as team lead, senior network engineer, or architect, where they would be responsible for defining network strategy and making critical architecture decisions.
Management & Consulting: Network engineers with strong leadership and communication skills can transition into management or consulting roles, where they would be responsible for driving network projects, managing teams, or providing expert guidance to clients.

📝 Enhancement Note: This role offers numerous opportunities for career growth and development within the network engineering team. Network engineers can specialize in specific network domains, progress to technical leadership roles, or transition into management or consulting roles, depending on their interests and skills.

🌐 Work Environment

Office Type: BT's office in Budapest, Hungary, is a modern, collaborative workspace designed to foster innovation and productivity. The office features open-plan workspaces, meeting rooms, and breakout areas, as well as state-of-the-art technology and equipment.

Office Location(s): BT's Budapest office is located in Building 31, with easy access to public transportation and nearby amenities.

Workspace Context:

Collaborative Workspaces: The office features open-plan workspaces that encourage collaboration and communication between network engineers and other IT professionals.
Technical Equipment: Network engineers have access to multiple monitors, testing devices, and other technical equipment necessary for their roles.
Cross-Functional Collaboration: Network engineers work closely with other IT teams, such as security, cloud, and data center teams, to ensure that network services are integrated and aligned with the organization's overall IT strategy.

Work Schedule: The standard working week is 37.5 hours, typically Monday to Friday, with some flexibility for maintenance windows, project deadlines, and on-call rotations.

📝 Enhancement Note: BT's Budapest office provides a modern, collaborative workspace designed to foster innovation and productivity. Network engineers in this role can expect to work in a dynamic, fast-paced environment that encourages cross-functional collaboration and communication.

📄 Application & Technical Interview Process

Interview Process:

Online Application: Candidates submit their resume and cover letter through the BT Group careers website.
Phone Screening: Successful candidates are invited for a brief phone screening to discuss their experience, qualifications, and career goals.
Technical Assessment: Candidates are required to complete a technical assessment, which may include network configuration exercises, troubleshooting scenarios, or case studies.
On-site Interview: Candidates are invited to BT's Budapest office for an on-site interview, which may include a technical deep dive, behavioral questions, and a tour of the office.
Final Decision: BT's hiring team reviews the candidate's application materials, technical assessment, and interview performance to make a final hiring decision.

Portfolio Review Tips:

Network Documentation: Include detailed network diagrams, topology maps, and configuration guides demonstrating your understanding of network design and architecture.
Troubleshooting Case Studies: Provide examples of complex network issues you've resolved, highlighting your problem-solving skills and technical expertise.
Network Optimization Projects: Showcase projects where you've optimized network performance, improved scalability, or enhanced security, highlighting your ability to make data-driven decisions.
Collaboration & Communication: Demonstrate your ability to work effectively with vendors and other IT personnel by including examples of successful collaboration and communication in your portfolio.

Technical Challenge Preparation:

Network Configuration: Familiarize yourself with network configuration best practices and hands-on experience with relevant network devices and platforms (e.g., Juniper, Cisco, Arista).
Troubleshooting: Brush up on your network troubleshooting skills and be prepared to discuss your approach to diagnosing and resolving complex network issues.
Network Protocols: Review your understanding of networking protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS) and be prepared to discuss their application in network design and implementation.
Automation Skills: Refresh your knowledge of automation tools (e.g., Python, Ansible, bash) and be prepared to discuss their use in network configuration and management.

ATS Keywords: [Comprehensive list of network engineering, troubleshooting, and customer service-related keywords for resume optimization, organized by category: network protocols, network devices, network services, network management, network security, customer service, communication, problem-solving, adaptability, escalation management, continuous improvement, decision-making, and growth mindset]

📝 Enhancement Note: BT's interview process focuses on assessing candidates' technical skills, problem-solving abilities, and cultural fit. Candidates should emphasize their network engineering expertise, hands-on experience with relevant network devices and platforms, and strong communication and customer service skills in their application materials and interviews.

🛠 Technology Stack & Web Infrastructure

Networking Protocols:

IPSEC: Internet Protocol Security (IPsec) is a set of protocols for securing communication over IP networks. It provides confidentiality, integrity, and authentication for IP packets.
HSRP: Hot Standby Router Protocol (HSRP) is a Cisco proprietary protocol used to provide automatic backup for default gateway services on a LAN segment.
BGP: Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information between autonomous systems (AS) for the Internet.
OSPF: Open Shortest Path First (OSPF) is an interior gateway protocol that uses the link-state routing algorithm to determine the best path for routing data within a network.
802.11: IEEE 802.11 is a set of standards for implementing wireless local area network (WLAN) communication. It defines the specifications for wireless networking technologies, including Wi-Fi.
QoS: Quality of Service (QoS) is a set of mechanisms used to manage network resources and ensure optimal performance for critical applications and services.

Network Devices & Platforms:

Juniper: Juniper Networks is a networking and cybersecurity company that provides high-performance network products and services for businesses and governments worldwide. Juniper's products include routers, switches, security appliances, and management software.
Cisco: Cisco Systems is a multinational technology conglomerate that develops, manufactures, and sells networking hardware, telecommunications equipment, and other high-technology services and products. Cisco's products include routers, switches, firewalls, and network management software.
Arista: Arista Networks is a cloud networking company that provides high-performance, low-latency network switches and other networking products for data center, cloud, and enterprise environments.

Network Management & Monitoring Tools:

SolarWinds: SolarWinds is a provider of network and IT management software, including network monitoring, network configuration management, and network performance monitoring tools.
Zabbix: Zabbix is an open-source network monitoring solution that provides real-time monitoring of network devices, servers, and services. It offers features such as network discovery, automated network mapping, and alerting.
Nagios: Nagios is an open-source network monitoring application that offers monitoring and alerting services for servers, switches, applications, and services. It provides features such as network discovery, automated network mapping, and alerting.

📝 Enhancement Note: Network engineers in this role should have a strong understanding of networking protocols, network devices, and network management and monitoring tools. Familiarity with Juniper, Cisco, and Arista network devices, as well as SolarWinds, Zabbix, and Nagios network management and monitoring tools, is beneficial for success in this role.

👥 Team Culture & Values

Network Engineering Values:

User-Centric Design: BT's network engineering team prioritizes user experience and ensures that network services meet the needs of the organization's employees and customers.
Performance Optimization: Network engineers strive to optimize network performance, ensuring high availability, reliability, and scalability.
Security & Compliance: Network engineers are responsible for implementing and maintaining network security measures that protect the organization's data and comply with relevant regulations and standards.
Continuous Improvement: Network engineers are committed to continuous learning and improvement, staying up-to-date with emerging technologies and best practices in network engineering.

Collaboration Style:

Cross-Functional Integration: Network engineers work closely with other IT teams, such as security, cloud, and data center teams, to ensure that network services are integrated and aligned with the organization's overall IT strategy.
Code Review Culture: Network engineers follow best practices for code review, testing, and quality assurance to ensure the reliability and performance of network services.
Peer Programming: Network engineers collaborate with their colleagues to review code, share knowledge, and improve their skills and expertise.

📝 Enhancement Note: BT's network engineering team values user-centric design, performance optimization, security and compliance, and continuous improvement. Network engineers in this role should be committed to these values and demonstrate a strong work ethic, attention to detail, and a passion for learning and development.

⚡ Challenges & Growth Opportunities

Technical Challenges:

Network Complexity: Network engineers in this role may face complex network environments, requiring strong troubleshooting skills and a deep understanding of networking protocols and network devices.
Emerging Technologies: Network engineers must stay up-to-date with emerging technologies and adapt to changes in the network landscape, requiring continuous learning and development.
Performance Optimization: Network engineers are responsible for optimizing network performance, ensuring high availability, reliability, and scalability. This may involve implementing and configuring network services, optimizing network routing, and enhancing network security.

Learning & Development Opportunities:

Technical Training: BT offers technical training and development opportunities to help network engineers stay up-to-date with emerging technologies and best practices in network engineering.
Conferences & Events: BT encourages network engineers to attend industry conferences and events to network with peers, learn from experts, and gain insights into emerging trends in network engineering.
Mentorship & Coaching: BT provides mentorship and coaching opportunities to help network engineers develop their skills, advance their careers, and achieve their professional goals.

📝 Enhancement Note: Network engineers in this role face technical challenges related to network complexity, emerging technologies, and performance optimization. They also have numerous learning and development opportunities, including technical training, conferences and events, and mentorship and coaching.

💡 Interview Preparation

Technical Questions:

Networking Fundamentals: Brush up on your understanding of networking protocols, network devices, and network management and monitoring tools. Be prepared to discuss your experience with relevant network devices and platforms (e.g., Juniper, Cisco, Arista) and network management and monitoring tools (e.g., SolarWinds, Zabbix, Nagios).
Troubleshooting Scenarios: Prepare for troubleshooting scenarios that may involve network configuration, network performance optimization, or network security. Be ready to discuss your approach to diagnosing and resolving complex network issues.
Network Architecture: Familiarize yourself with network architecture principles and be prepared to discuss your experience with network design, implementation, and maintenance.

Company & Culture Questions:

BT's Network Engineering Team: Research BT's network engineering team and be prepared to discuss your understanding of the team's values, culture, and work environment.
BT's Company Culture: Familiarize yourself with BT's company culture, values, and mission. Be prepared to discuss your alignment with these values and your commitment to BT's vision for digital inclusion and skill development.
BT's Industry Leadership: Understand BT's position as a global leader in secure connectivity and collaboration platforms for businesses. Be prepared to discuss your understanding of BT's role in the industry and your commitment to driving innovation and growth.

Portfolio Presentation Strategy:

Network Documentation: Include detailed network diagrams, topology maps, and configuration guides demonstrating your understanding of network design and architecture.
Troubleshooting Case Studies: Provide examples of complex network issues you've resolved, highlighting your problem-solving skills and technical expertise.
Network Optimization Projects: Showcase projects where you've optimized network performance, improved scalability, or enhanced security, highlighting your ability to make data-driven decisions.
Collaboration & Communication: Demonstrate your ability to work effectively with vendors and other IT personnel by including examples of successful collaboration and communication in your portfolio.

📝 Enhancement Note: BT's interview process focuses on assessing candidates' technical skills, problem-solving abilities, and cultural fit. Candidates should emphasize their network engineering expertise, hands-on experience with relevant network devices and platforms, and strong communication and customer service skills in their application materials and interviews.

📌 Application Steps

To apply for this 3rd Level Data Network Engineer position at BT Group:

Tailor Your Resume: Customize your resume to highlight your network engineering experience, technical skills, and accomplishments relevant to this role. Include relevant keywords and phrases to optimize your resume for BT's applicant tracking system.
Prepare Your Portfolio: Include detailed network diagrams, topology maps, and configuration guides demonstrating your understanding of network design and architecture. Provide examples of complex network issues you've resolved, highlighting your problem-solving skills and technical expertise. Showcase projects where you've optimized network performance, improved scalability, or enhanced security, highlighting your ability to make data-driven decisions. Demonstrate your ability to work effectively with vendors and other IT personnel by including examples of successful collaboration and communication in your portfolio.
Research BT Group: Familiarize yourself with BT's company culture, values, and mission. Understand BT's position as a global leader in secure connectivity and collaboration platforms for businesses. Be prepared to discuss your alignment with these values and your commitment to BT's vision for digital inclusion and skill development.
Prepare for Technical Assessment: Brush up on your understanding of networking protocols, network devices, and network management and monitoring tools. Prepare for troubleshooting scenarios that may involve network configuration, network performance optimization, or network security. Familiarize yourself with network architecture principles and be prepared to discuss your experience with network design, implementation, and maintenance.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

3rd Level Data Network Engineer