Senior IP Network Engineer (Telecom)

Location: Sofia, Bulgaria

Company

Join Tieto Tech Consulting's Telecom Team on a project for BICS, a global communications network provider supporting roaming, cloud communications, IoT connectivity, messaging, mobile identity, signaling, fraud protection, and global SIP trunking.

What you will do

• Configure and troubleshoot different network architectures.
• Design, test, and implement technical solutions based on business and operational requirements and current technology developments.
• Write and maintain system documentation and network design guidelines.
• Manage network software and hardware lifecycles.
• Optionally participate in guard duty supporting a 24/7 organization.

Requirements

• Bachelor's degree in Telecom, IT, Electronics, or a related field.
• At least 5 years of relevant experience in a telecom or Internet service provider environment or with a vendor.
• Upper-intermediate English required.
• Cisco or Alcatel SR certification at Professional or Expert level, or equivalent experience.
• Strong knowledge or hands-on experience with Cisco IOS, IOS-XE, IOS-XR and/or Nokia SROS.
• Experience with IPv4 and IPv6 routing protocols, including BGP/MP-BGP, ISIS, MPLS, and Segment Routing.
• Experience designing L2 and L3 VPNs according to MEF service standards.
• Knowledge of traffic engineering with RSVP and SR-TE, quality-of-service design and configuration, and IPsec configuration.
• Good scripting skills, preferably in Python, for network automation.

Nice to have

• Knowledge of infrastructure-as-code principles and implementation experience.
• Knowledge of programmable network equipment interfaces, such as RESTful APIs and NETCONF/YANG.
• Knowledge of public cloud solutions, preferably AWS.
• Experience with operational tools such as Nagios, Splunk, or Netcool.

Culture & Benefits

• Stable, comfortable environment within a Telecom Team serving a long-term customer.
• Work on international communications infrastructure used by major telecom operators and technology providers.
• Inclusive workplace committed to diversity, equity, and inclusion.
• Optional participation in guard duty for 24/7 operational support.