Systems Engineer (VoIP)

Are you someone who enjoys solving technical issues, working close to telecom and VoIP infrastructure, and making sure critical services run smoothly?

Nice to meet you! I’m Milja Valentine, a Senior Talent Partner at LeadDesk. Together with Samu Lehtonen, our CPaaS Operations Manager, we are now looking for a VoIP Engineer to join our CPaaS Operations team in Helsinki.

CPaaS (Communications Platform as a Service) is the telecom side of LeadDesk’s contact center business and an important growth area for us. In this role, you’ll work close to the core of our telecom and VoIP infrastructure, helping us maintain, develop, and troubleshoot the environments and services that support LeadDesk’s voice traffic across Europe.

What’s in it for you

• A chance to deepen your expertise in VoIP platforms and technologies as part of a growing business area at LeadDesk
• Work with telecom infrastructure supporting one of the highest operator volumes in Finland while collaborating across multiple European markets
• Freedom to utilise modern AI and automation tools in your daily work in the way that best supports your workflow
• A supportive and low hierarchy team environment where people help each other, share knowledge openly, and enjoy working together
• Experience a truly international work environment, collaborating with talented colleagues from 27 nationalities across 8 countries in a multicultural and diverse setting
• Flexible and hybrid. Enjoy work life balance with flexible hours and a hybrid model, with 3 days a week at our HQ Helsinki office in Kallio
• We take care of our people. Benefits include lunch, culture, sports and wellbeing benefits, and comprehensive occupational healthcare. Our welcoming office is always stocked with snacks
  
  

What you can expect as a VoIP Engineer at LeadDesk

• Monitoring and maintaining LeadDesk VoIP infrastructure across multiple countries
• Supporting and developing in-house and open source systems in Linux server environment
• Investigating and resolving technical issues related to voice services, routing, and infrastructure
• Building and maintaining scripts to improve monitoring and operational efficiency
• Working closely with other teams in our Operations function, telecom partners, and other technical stakeholders to ensure reliable and high-quality services
• Taking part in developing and improving our CPaaS and VoIP environments together with the team
  
  

What success looks like in this role in the first 6 months and beyond

• You are able to handle most operational tickets and troubleshooting tasks independently
• You have built a solid understanding of how LeadDesk’s VoIP infrastructure at a high level
• You understand the operator side and how telecom systems, routing, and partners work together
• You have become a reliable and collaborative part of the team and work smoothly together with key internal and other stakeholders
• You are able to participate in day-to-day technical discussions within the team and contribute to improving operational efficiency, monitoring, and ways of working.
  
  

This is where the match happens

Must-haves

• Hands-on experience working with Linux server environments
• Experience working with relational databases such as MySQL or MariaDB
• Basic scripting skills with Python or a similar language
• Strong problem-solving skills and an interest in technical troubleshooting
• Ability to communicate and collaborate smoothly with both technical and non-technical stakeholders
• Professional working proficiency in English
  
  

Nice-to-haves 

• Understanding of networking and server environments
• Familiarity with VoIP software such as Asterisk, Kamailio, or OpenSIPS
• Understanding of VoIP technologies such as SIP or WebRTC
• Finnish language skills
  
  

Practicalities

• Location: Helsinki HQ (hybrid work model 3 days a week at the office)
• Start date: As soon as possible
• Employment: Full-time, permanent
• Work permit in Finland: Required
• Compensation: Approximately 4000 to 4500 € / month
  
  

What’s next?

Submit your application by 3.6.2026. We’re reviewing applications continuously, so don’t wait too long!

If you have questions, please contact Milja Valentine from the Talent team, milja.valentine(at)leaddesk.com.

About LeadDesk

At LeadDesk, our purpose is to simplify human connections between organisations and people across Europe. Every year, our AI-powered platform connects more than 500 million customers with call centre agents.

When it comes to our employees, we believe that each of us is a Leader. Someone with a lot of ambition, drive, and readiness to take (and receive!) ownership from day 1. 

We welcome people from all backgrounds and walks of life, which is reflected in our diverse community of Leaders. As an employer, we're committed to providing equal opportunity for all employees and applicants.