Network Engineer

Telesign
Full_timeBelgrade, Serbia

📍 Job Overview

  • Job Title: Network Engineer
  • Company: Telesign
  • Location: Belgrade, Beograd, Serbia
  • Job Type: On-site
  • Category: Network Infrastructure
  • Date Posted: 2025-06-25
  • Experience Level: Intermediate (2-5 years)
  • Remote Status: On-site (second shift schedule, occasional on-calls)

🚀 Role Summary

  • Design, implement, and maintain secure, high-performance network solutions across cloud and on-premises environments.
  • Collaborate with global teams to deliver a reliable, scalable, and secure network infrastructure.
  • Troubleshoot network incidents, perform root cause analysis, and ensure end-to-end reliability.
  • Apply DevOps principles to support automation, continuous improvement, and infrastructure as code.
  • 📝 Enhancement Note: This role requires strong problem-solving skills, adaptability, and the ability to work effectively in a remote, global team.

💻 Primary Responsibilities

  • Network Design & Implementation:

    • Design, implement, and support secure and highly available network solutions across cloud and on-prem environments.
    • Configure and maintain routers, switches, firewalls, load balancers, and VPN solutions (Palo Alto, Cisco, F5).
  • Network Monitoring & Troubleshooting:

    • Monitor network performance and availability using performance and alerting tools.
    • Investigate and resolve network incidents using logs, packet captures, and root cause analysis.
  • Collaboration & Documentation:

    • Collaborate with network architects, operations architects, and other teams to ensure end-to-end reliability and compliance.
    • Provide technical guidance and documentation to internal teams and customer support as needed.
  • On-Call & Vendor Management:

    • Participate in on-call rotation and respond to escalations according to schedule.
    • Contribute to vendor management and escalation processes for network-related services.
  • Network Security:

    • Maintain network security in alignment with Telesign security team guidelines and policies.

🎓 Skills & Qualifications

Education: Bachelor's degree in Computer Science, Engineering, or a related field. Relevant certifications (Cisco, Palo Alto, AWS, Azure, CompTIA) are a strong plus.

Experience: 2+ years of experience in network engineering or administration within multi-tiered, distributed systems. 1+ years of hands-on experience with cloud platforms (AWS, Azure).

Required Skills:

  • Strong understanding of TCP/IP, routing protocols (BGP, OSPF), VLANs, NAT/PAT, VPNs, DNS, ARP, and TLS/SSL.
  • Proficient with the configuration and operation of Palo Alto firewalls, Cisco routers/switches, and F5 load balancers.
  • Experience with HA design, firewall ACLs, IPsec tunnels, and failover configurations.
  • Proficient in using network monitoring, diagnostics, and logging tools.
  • Excellent communication skills (written and verbal) in English.
  • Self-organised, proactive, and capable of managing multiple tasks in a remote team setup.

Preferred Skills:

  • Familiarity with Linux-based systems and basic shell navigation for troubleshooting.
  • Experience with VMware, including NSX and distributed firewalls.
  • Exposure to DevNet tools, automation (e.g., Ansible, Terraform), and infrastructure as code concepts.
  • Knowledge of protocols such as HTTP, SMPP, SD-WAN.
  • Understanding of service-oriented architectures and large-scale distributed platforms.

📊 Web Portfolio & Project Requirements

  • Portfolio Essentials:

    • Case studies demonstrating network design, implementation, and troubleshooting.
    • Examples of network diagrams, architecture documents, and configuration files.
    • Evidence of network monitoring, performance optimization, and incident response.
  • Technical Documentation:

    • Well-documented code, scripts, and configuration files with clear comments and version control.
    • Project case studies highlighting user experience, technical implementation, and performance metrics.

📝 Enhancement Note: While a web portfolio is not explicitly required for this role, demonstrating relevant network engineering projects and case studies will strengthen your application.

💵 Compensation & Benefits

Salary Range: €50,000 - €70,000 per year (based on regional market research and experience level)

Benefits:

  • Good compensation - Competitive € salary plus benefits package.
  • Development opportunities.
  • Challenging but also a friendly working environment.

Working Hours: 40 hours per week, with availability to work a second shift schedule (5:00 PM to 1:00 AM) and occasional on-calls.

📝 Enhancement Note: The provided salary range is an estimate based on regional market research and experience level. Telesign offers a competitive compensation package, including benefits and development opportunities.

🎯 Team & Company Context

🏢 Company Culture

Industry: Telecommunications and Customer Identity Management

Company Size: Medium-sized company with a global presence and a focus on collaborative, remote work.

Founded: 2005

Team Structure:

  • Global network engineering team, collaborating with operations architects and other internal teams.
  • Cross-functional collaboration with security, system, and database teams to ensure end-to-end reliability and compliance.

Development Methodology:

  • Agile/Scrum methodologies for network project management and infrastructure improvements.
  • Code review, testing, and quality assurance practices for network configuration and automation scripts.
  • Deployment strategies, CI/CD pipelines, and server management for network infrastructure as code.

Company Website: www.telesign.com

📝 Enhancement Note: Telesign values diversity, inclusion, and collaboration, fostering a global team environment that supports remote work and international travel.

📈 Career & Growth Analysis

Network Engineering Career Level: This role is suitable for an intermediate network engineer with 2-5 years of experience, seeking to grow their skills and contribute to a global network infrastructure.

Reporting Structure: This role reports directly to the Network Engineering Manager and collaborates with global network engineering teams, operations architects, and other internal teams.

Technical Impact: Network Engineers at Telesign play a critical role in maintaining and improving the company's global network infrastructure, ensuring secure, high-performance, and scalable connectivity for mission-critical services.

Growth Opportunities:

  • Network Architecture: Develop expertise in network architecture and design, contributing to the evolution of Telesign's global network infrastructure.
  • Technical Leadership: Demonstrate strong problem-solving skills, mentoring, and technical leadership within the network engineering team.
  • Emerging Technologies: Stay up-to-date with emerging network technologies and contribute to their integration into Telesign's infrastructure.

📝 Enhancement Note: Telesign offers development opportunities for network engineers to grow their skills and advance their careers within the network engineering team and broader organization.

🌐 Work Environment

Office Type: On-site, with remote collaboration and global team interaction.

Office Location(s): Belgrade, Serbia (with occasional international travel required)

Workspace Context:

  • Collaborative workspace with global network engineering teams, operations architects, and other internal teams.
  • Access to relevant network engineering tools, multiple monitors, and testing devices.
  • Cross-functional collaboration with security, system, and database teams to ensure end-to-end reliability and compliance.

Work Schedule: Second shift schedule from 5:00 PM to 1:00 AM, with occasional on-calls.

📝 Enhancement Note: Telesign's work environment encourages collaboration, remote work, and global team interaction, fostering a dynamic and inclusive culture.

📄 Application & Technical Interview Process

Interview Process:

  1. Technical Screening: A phone or video call to assess your technical skills and experience in network engineering.
  2. On-site Interview: A visit to Telesign's Belgrade office to meet the team, discuss your application in detail, and perform a hands-on network engineering challenge.
  3. Final Decision: A final review of your application and a decision on your candidacy.

Portfolio Review Tips:

  • Highlight relevant network engineering projects and case studies, demonstrating your ability to design, implement, and maintain secure, high-performance network solutions.
  • Showcase your network monitoring, troubleshooting, and incident response skills through real-world examples.
  • Emphasize your ability to collaborate with global teams and contribute to infrastructure improvements.

Technical Challenge Preparation:

  • Brush up on your knowledge of network protocols, routing, and switching.
  • Familiarize yourself with relevant network engineering tools and platforms (e.g., Palo Alto, Cisco, F5, AWS, Azure).
  • Prepare for hands-on network engineering challenges, focusing on network design, implementation, and troubleshooting.

ATS Keywords: Network Engineering, Cloud Platforms, TCP/IP, Routing Protocols, VLANs, VPNs, Firewalls, Load Balancers, Network Monitoring, Diagnostics, Root Cause Analysis, DevOps Principles, Technical Documentation, Vendor Management, Network Security, Linux Systems, Automation Tools

📝 Enhancement Note: Telesign's interview process focuses on assessing your technical skills, problem-solving abilities, and cultural fit within the global network engineering team.

🛠 Technology Stack & Web Infrastructure

Network Technologies:

  • Cloud Platforms: AWS, Azure
  • Routing Protocols: BGP, OSPF
  • Switching: Cisco ( Catalyst, Nexus)
  • Firewalls: Palo Alto
  • Load Balancers: F5
  • Network Monitoring Tools: [TBD based on company information]

Infrastructure Tools:

  • VMware: NSX, distributed firewalls
  • Automation Tools: Ansible, Terraform
  • Infrastructure as Code: [TBD based on company information]

📝 Enhancement Note: Telesign's technology stack includes a mix of cloud and on-premises network infrastructure, with a focus on secure, high-performance, and scalable connectivity.

👥 Team Culture & Values

Network Engineering Values:

  • Collaboration: Work effectively with global teams to deliver secure, high-performance, and scalable network solutions.
  • Problem-Solving: Demonstrate strong problem-solving skills and the ability to troubleshoot network incidents and resolve complex issues.
  • Adaptability: Embrace change and adapt to new technologies, tools, and processes in a fast-moving, ever-evolving technology environment.
  • Continuous Learning: Stay up-to-date with emerging network technologies and best practices, continuously improving your skills and knowledge.

Collaboration Style:

  • Cross-functional collaboration with security, system, and database teams to ensure end-to-end reliability and compliance.
  • Code review culture and peer programming practices for network configuration and automation scripts.
  • Knowledge sharing, technical mentoring, and continuous learning within the global network engineering team.

📝 Enhancement Note: Telesign's network engineering team values collaboration, problem-solving, adaptability, and continuous learning, fostering a dynamic and inclusive culture.

⚡ Challenges & Growth Opportunities

Technical Challenges:

  • Design and implement secure, highly available network solutions across cloud and on-premises environments.
  • Troubleshoot network incidents, perform root cause analysis, and ensure end-to-end reliability.
  • Collaborate with global teams to deliver infrastructure improvements and support continuous growth.

Learning & Development Opportunities:

  • Network architecture and design, contributing to the evolution of Telesign's global network infrastructure.
  • Technical leadership and mentoring within the network engineering team.
  • Emerging technologies and best practices in network engineering.

📝 Enhancement Note: Telesign offers network engineers the opportunity to grow their skills, contribute to the evolution of the company's global network infrastructure, and advance their careers within the network engineering team and broader organization.

💡 Interview Preparation

Technical Questions:

  • Network Design & Implementation:

    • Describe your experience with network design, implementation, and maintenance, focusing on secure, high-performance, and scalable solutions.
    • How have you approached network design and implementation challenges in previous roles?
  • Network Monitoring & Troubleshooting:

    • Discuss your experience with network monitoring, diagnostics, and incident response.
    • How have you identified and resolved network incidents in previous roles?
  • Collaboration & Documentation:

    • Explain your experience working with global teams and collaborating with other departments to ensure end-to-end reliability and compliance.
    • How have you documented network configurations, processes, and best practices in previous roles?

Company & Culture Questions:

  • Why are you interested in the Network Engineer role at Telesign?
  • How do you approach working with global teams and collaborating with other departments to ensure end-to-end reliability and compliance?
  • What attracts you to Telesign's company culture and work environment?

Portfolio Presentation Strategy:

  • Highlight relevant network engineering projects and case studies, demonstrating your ability to design, implement, and maintain secure, high-performance network solutions.
  • Showcase your network monitoring, troubleshooting, and incident response skills through real-world examples.
  • Emphasize your ability to collaborate with global teams and contribute to infrastructure improvements.

📝 Enhancement Note: Telesign's interview process focuses on assessing your technical skills, problem-solving abilities, and cultural fit within the global network engineering team. Prepare for technical questions related to network design, implementation, monitoring, and troubleshooting, as well as company and culture-specific questions.

📌 Application Steps

To apply for the Network Engineer position at Telesign:

  1. Submit your application through the application link provided.
  2. Customize your resume and portfolio to highlight your relevant network engineering experience, skills, and projects.
  3. Prepare for the technical screening and on-site interview by brushing up on your network engineering knowledge and practicing hands-on challenges.
  4. Research Telesign's company culture, work environment, and global team dynamics to ensure a strong cultural fit.

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


Application Requirements

Candidates should have 2+ years of experience in network engineering and 1+ years with cloud platforms. A strong understanding of networking protocols and hands-on experience with relevant technologies is essential.