Senior IP Network Engineer - Tieto Tech Consulting (m/f/d)

Tieto Deutschland GmbH; Kraków; On-site; PLN 180,000 - 260,000; Full time

Job summary

Tieto Tech Consulting seeks a Senior Network Engineer to join a Telecom Team for our client BICS. You will configure and troubleshoot complex networks, design and implement solutions, and maintain documentation to support international connectivity.

The role requires a Cisco/Alcatel SR Professional/Expert level certification (or equivalent), strong IP/MPLS knowledge, and Python scripting for automation; fluency in English is essential for work with global partners.

Qualifications

• Bachelor's degree in Telecom, IT and/or Electronics.
• 5 years of relevant work experience in Telecom/Internet service provider environment or vendor.
• Fluent English.
• Cisco/Alcatel SR Certified at Professional/Expert level or equal through experience.
• Strong knowledge of Cisco IOS, IOS-XE & IOS-XR and/or Nokia SROS.
• IPV4 & IPv6 Routing protocols (BGP/MP-BGP, ISIS, MPLS, Segment Routing).
• L2 & L3 VPN designs as per MEF service standards.
• Traffic Engineering (RSVP, SR-TE).
• Quality of Service design & configuration.
• IP Sec configuration.
• Good scripting skill (preferably in Python) used in the context of network automation.

Responsibilities

• Configuring and troubleshooting different network architectures
• Designing, testing, and implementing technical solutions based on business and operational requirements, considering recent technology evolutions.
• Designing, writing, and updating both system documentation and network design guidelines
• Managing network’s software & hardware lifecycle
• Take part in a guard duty service to support our 24/7 organization (Optional)

Skills

Fluent English

Python scripting

BGP/MP-BGP

ISIS

MPLS

Segment Routing

L2/L3 VPN

Traffic Engineering

SR-TE

QoS

IP Sec

Cisco IOS

IOS-XE

IOS-XR

Nokia SROS

Cisco/Alcatel SR Certification

Education

Bachelor's degree in Telecom, IT and/or Electronics

Job description

Job Description

Tieto Tech Consulting is looking for aSenior Network Engineer who wants to join a project within a Telecom Team for our respectful client BICS.

BICS operates one of the world's most extensive communication networks, carrying around 50% of global roaming traffic and connecting more than 5 billion mobile subscribers worldwide. Through partnerships with hundreds of operators, service providers, hyperscalers, and enterprises, BICS delivers connectivity across 1000+ destinations and supports a broad portfolio of services including Voice, LTE and 5G Roaming, Cloud Communications, IoT Connectivity, Messaging, Mobile Identity, Signaling, Fraud Protection, and Global SIP Trunking.

You will work with the world's largest telecom operators and technology providers, helping to ensure the quality, reliability, performance, and security of international communications, while impacting how billions of people connect, communicate, and do business every day.

Beyond traditional telecommunications, BICS is at the forefront of enabling digital transformation, cloud interconnectivity, IoT ecosystems, and next-generation mobile services, helping customers navigate the evolving global connectivity landscape.

Become a part of the BICS community at Tieto Tech Consulting that has been growing since 2010 and enjoy the comfortable and stable environment where new ideas thrive.

Welcome to the team of our long-term customer BICS!

When joining Tieto Tech Consulting as a Senior Network Engineer, you will:

• Configuring and troubleshooting different network architectures
• Designing, testing, and implementing technical solutions based on business and operational requirements, considering recent technology evolutions.
• Designing, writing, and updating both system documentation and network design guidelines
• Managing network’s software & hardware lifecycle
• Take part in a guard duty service to support our 24/7 organization (Optional)

Who we are looking for:

• Bachelor's degree in the field of Telecom, IT and/or Electronics
• 5 years of relevant work experience in Telecom/Internet service provider environment or vendor
• Fluent English
• Cisco/Alcatel SR Certified at Professional/Expert level or equal through experience
• Strong knowledge and/or relevant hands‑on experience in the below areas:
• Cisco IOS, IOS-XE & IOS-XR and/or Nokia SROS
• IPV4 & IPv6 Routing protocols (BGP/MP-BGP, ISIS, MPLS, Segment Routing)
• L2 & L3 VPN designs as per MEF service standards
• Traffic Engineering (RSVP, SR-TE)
• Quality of Service design & configuration
• IP Sec configuration
• Good scripting skill (preferably in Python) used in the context of network automation.

Will be an advantage:

• Knowledge of Infrastructure-as-a-code principle and experience implementing it,
• Knowledge of programmable interfaces on Network equipment e.g. RESTful API’s, netconf/yang,
• Knowledge of Public cloud solutions (preferably AWS)
• Experience with operation Tools like Nagios, Splunk, Netcool

Additional Information

At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation.Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.
Diversity, equity and inclusion | Sustainability | Tieto

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