Core Network Engineer – Telecommunications

Experience and Skills

• More than 2 years of experience in Core Network or telecommunications infrastructure roles.
• University degree in Telecommunications Engineering, Electronic Engineering, Network Engineering, or Telecommunications and Network Systems Engineering.
• Mandatory CNA v7 or CCNP v8 certification.
• Knowledge of Juniper technologies.
• Practical knowledge of SIP and M3UA signaling protocols.
• Knowledge of DHCP, DNS, and IP networking.
• English proficiency at B2 level or higher.
• Availability to work on-site in Pavas, Costa Rica, Monday through Friday.
• Hands-on experience with Network Functions Virtualization, DIAMETER, PCRF, HSS/HLR, IMS, MSC, STP.

Skills

• Core Network
• Network Functions Virtualization
• CCNP
• CNA
• Juniper
• SIP
• M3UA
• DIAMETER
• DHCP
• DNS
• IP Networking
• PCRF
• HSS/HLR
• IMS
• MSC
• STP

Key Responsibilities

• Implement Core Network designs for Core NFV projects.
• Plan Core Network projects and design solutions for implementation and delivery.
• Implement and deliver Core Network services, including PCRF, HSS/HLR, IMS, MSC, STP, and emerging 5G technologies.
• Configure and work with related interconnection protocols, including SIP, DIAMETER, and M3UA.
• Support maintenance activities for Core Network equipment and services.
• Coordinate subcontractors and supervise installation activities.
• Prepare Statements of Work for outsourced services.
• Support the delivery of large-scale telecommunications infrastructure projects.

Benefits

We provide the opportunity to participate in impactful and technically rigorous industrial data projects that drive innovation and professional growth. Our work environment emphasizes technical excellence, collaboration, and continuous innovation.

Niuro supports a 100% remote work model, allowing flexibility in work location globally. We invest in career development through ongoing training programs and leadership opportunities, ensuring continuous growth and success.

Upon successful completion of the initial contract, there is potential for long-term collaboration and stable, full-time employment, reflecting our long-term commitment to our team members.

Joining Niuro means becoming part of a global community dedicated to technological excellence and benefiting from a strong administrative support infrastructure that enables you to focus on impactful work without distraction.

Nice to Have

• 5G
• SOW Preparation
• Subcontractor Management
• Installation Supervision

We are seeking a Core Network Engineer to implement, plan, and support Core Network infrastructure and Network Functions Virtualization (NFV) for large-scale telecommunications projects. The role covers network design implementation, solution planning, service delivery, and operational support across core network environments. You will work with core services and platforms including PCRF, HSS/HLR, IMS, MSC, STP, and emerging 5G technologies. The role also requires practical knowledge of interconnection and signaling protocols, as well as coordination with subcontractors and installation teams.