Randstad Digital values the excellence of our engineers and considers our team to be our most valuable asset.
We prioritize talent, supporting technology specialists throughout their careers and ensuring they develop their skills.
Our diverse career opportunities allow us to work with clients on a wide range of projects in various industries.
We aim to be a trusted digital enablement partner, accelerating companies' transformations by providing specialized talent, capacity, and global solutions.
Job Description
We are seeking a Senior Engineer Interconnect Platforms for a project in the telecom sector.
You will play a critical role in managing and evolving STP, Sigtran, SS7, and SIP firewall platforms.
* Investigate complex incidents related to the STP platform, Sigtran, SS7 firewall, and SIP firewall escalated by the front-line security team.
* Assist in identifying and fixing security vulnerabilities or bugs.
* Manage structural or equipment-related problems and escalate them to engineering or vendors as needed.
* Implement interconnection setups for new operators using SS7/STP and SIP firewall technologies.
* Document production infrastructure and configurations.
* Deliver training sessions to front-line operational teams on new setups and processes.
* Plan and execute OS/platform upgrades (STP, SS7 firewall, Call Shield), following company change management procedures.
* Monitor service health and capacity, plan upgrades, and resolve incidents proactively.
Profile And Skills To Success
A university degree in a relevant field with 3 to 5 years of hands-on experience in:
* SS7/STP signaling, Sigtran, SIP firewall, IP networks;
* Technical expertise: Siemens HiS700 STP, SS7 firewall, Mavenir Call Shield, Mavenir SIP firewall, IP networking;
* Strong communication and presentation skills, with fluency in English;
* Analytical, pragmatic, and result-driven approach to problem-solving;
* Ability to perform under pressure and manage critical incidents effectively;
* A true team player, open to participating in a 24/7 on-call rotation with other team members.