Technical Specialist (VSS and OCS)

We are Sinch. With presence in more than 60 countries, we’re a growing global organization that helps amazing companies engage with customers on their mobile phones. And whether you know us or not, you’ve used our tech. We reach every phone on earth, with over 147 billion conversations every year.

This is a chance for you to dream even bigger than ever. And because we believe that equal opportunities are the key to our success, no matter who you are, you’ll be able to explore career options, face fascinating challenges, building your skills alongside amazing experts. It’s not easy to reach every person, on every phone, on every channel, everywhere. Create the software and teams that makes it happen.

We are seeking an experienced and motivated Technical Specialist to join our team and play a pivotal role in delivering our telecom solutions.

You will be responsible for installing, implementing and configuring Value-Added Services Systems (VSS) and Online Charging Systems (OCS) for telecom operators.

The role involves working closely with clients, understanding their requirements, and ensuring seamless integration of systems into their networks. This together with the Sinch Project Team, which usually consists of Project Manager, Solution Architect and other Technical Specialists.

The ideal candidate will have a strong technical expertise, problem-solving skills, and the ability to work in dynamic environments, ensuring successful project delivery within set timelines..

We think you have experience and knowledge within the following areas:

• Install, configure, and implement Telecom VSS and OCS systems for telecom operators, ensuring compliance with technical specifications and project requirements.
• Collaborate with clients to gather technical requirements and translate them into functional configurations,
• Conduct system integration with existing network infrastructure, including interfaces with core telecom components like HLR, HSS, GGSN and IMS.
• Perform system testing and validation, including User Acceptance Testing (UAT) and troubleshooting of system issues during deployment.
• Develop and execute configuration scripts for system setup, e.g. Ansible.
• Ensure proper documentation of configurations and implementations for future reference.
• Provide on-site and remote support during installation and post-implementation phases to ensure system stability and performance.
• Collaborate with cross-functional teams, including software developers, project managers and customer support teams, to resolve technical challenges.

Who you are :

• Relevant university degree and experience from technical roles within Telecom and IT industry and knowledge within the following areas:
• Hands-on experience with implementing and configuring telecom systems, particularly VSS and OCS platforms.
• Strong knowledge of telecom protocols such as SS7, Diameter, SIP, CAMEL
• Experience with system integration in telecom environments, including APIs, middleware, and databases (e.g. Oracle)
• Experience with Linux based systems.
• Familiar with telecom networks, architecture, and components such as BSS/OSS, HLR/HSS and core network systems.
• Knowledge of virtualization and cloud platforms (e.g. VMware, OpenStack or AWS)
• Knowledge IP network architecture, configuration, integration, load balancing and redundancy.
• Understanding of security and compliance requirements in telecom systems (CIS, OWASP, NIST or similar).

We believe that you associate yourself with the following persona and professional characteristics:

• Team-oriented mindset with the ability to work collaboratively.
• Takes initiative and make carefully considered decisions.
• Strong analytical and problem-solving skills.
• Excellent communication and interpersonal skills for client interaction.
• Ability to manage multiple tasks and prioritize work in a dynamic environment.
• Attention to detail and commitment to delivering high-quality work.

Work Environment:

• Full-time role with opportunities for on-site deployment at client locations (may require travel).
• Combination of office work and field activities based on project requirements.
• Flexible schedule to support deployment and critical project milestones.

Good to have:

• If someone can speak Arabic or Spanish.

Being you at Sinch
We're a worldwide group of people, committed to diversity. We are working to offer an increasingly inclusive workplace wherever you are. No matter who you are, you'll be able to explore new career and growth options - sharing your voice, building your path and making it happen with us.
We're proud to be an equal opportunity employer, and all qualified applicants will be considered to join our team regardless of race, colour, religion, gender identity or expression, sexual orientation, pregnancy, disability, age, veteran status, and more.
Your life at Sinch
Being a Sincher is all about learning and being in pursuit of new challenges. Working in the offices, at home, or in a hybrid model, that means celebrating change and the unknown, rolling up your sleeves and seeing what impact you can have on the world. The only way is up, and you will be reaching for the opportunities that match where you want to take your career. It is closer than you think.