Telesign is looking for a highly collaborative, results-oriented Network Engineer to help shape the future of our infrastructure. The ideal candidate brings initiative, ownership, and a strong aptitude for problem-solving in a fast-moving, ever-evolving technology environment. This role offers a unique opportunity to contribute to a global network backbone that underpins mission-critical services. You will work closely with network architects and engineers to deliver a secure, high-performance, and scalable platform that spans cloud and on-premises environments.
This role requires availability to work a second shift schedule, from 5:00 PM to 1:00 AM, with occasional on-calls.
If you’re passionate about network engineering, eager to work on secure, high-scale systems, and enjoy collaborative problem-solving, Telesign would like to hear from you.
Key Responsibilities
- Design, implement, and support secure and highly available network solutions across cloud and on-prem environments.
- Collaborate with the global network engineering team and operations architects on infrastructure improvements.
- Configure and maintain routers, switches, firewalls, load balancers, and VPN solutions (Palo Alto, Cisco, F5).
- Monitor network performance and availability using performance and alerting tools.
- Investigate and resolve network incidents using logs, packet captures, and root cause analysis.
- Coordinate with security, system, and database teams to ensure end-to-end reliability and compliance.
- Apply DevOps principles to support automation, continuous improvement, and infrastructure as code.
- Provide technical guidance and documentation to internal teams and customer support as needed.
- Participate in on-call rotation and respond to escalations according to schedule.
- Contribute to vendor management and escalation processes for network-related services.
- Maintain network security in alignment with Telesign security team guidelines and policies.
Required Qualifications
- 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).
- 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.
- Available to work on-call and during the second shift as needed.
- Some international travel is required.
Preferred Qualifications
- 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.
- Relevant certifications (Cisco, Palo Alto, AWS, Azure, CompTIA) are a strong plus.
We are offering
- Good compensation - Competitive € salary plus benefits package.
- Development opportunities.
- Challenging but also a friendly working environment.
- And much, much more...
About Telesign
Telesign connects and protects online experiences with sophisticated customer identity and engagement solutions. Through APIs that deliver user verification, data insights, and communications we solve today’s unique customer challenges by bridging businesses to the complex world of global telecommunications.
Telesign is proud to be an equal opportunity employer. We believe our differences help us create a better workplace, a better product, and a better community. We do not discriminate on the basis of race, color, ancestry, religion, national origin, marital status, pregnancy, sex, sexual orientation, gender, gender identity or expression, age, genetic information, disability, military or veteran status, or any other basis protected by federal, state or local law, ordinance or regulation.
Telesign is an Affirmative Action Employer and as part of the commitment to AAP, it will seek to ensure affirmative action to provide equality of opportunity in all aspects of employment, and that all personnel activities, such as the recruitment selection, training, compensation, benefits, discipline, promotion, transfer, layoff and termination processes remain free of illegal discrimination and harassment based on protected characteristic
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What We Do
Telesign provides continuous trust to leading global enterprises by connecting, protecting, and defending their digital identities. Telesign verifies over five billion unique phone numbers a month, representing half of the world’s mobile users, and provides critical insight into the remaining billions. The company’s powerful AI and extensive data science deliver identity with a unique combination of speed, accuracy, and global reach. Telesign solutions prevent fraud, secure communications, and enable the digital economy by allowing companies and customers to engage with confidence.
Why Work With Us
We exist to make the digital world a more trustworthy place for everyone. At Telesign, experience has taught us the smallest ideas can have the greatest impact on safety and trust. We believe that individuality is your superpower and we invite you to bring your unique talents to help Telesign innovate, get things done, and defend the digital world.
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