Senior Network Engineer

Job Description

Shape the Future of Payments with Nexi in 2026

Envision a world where every transaction feels effortless, safe, and connected. At Nexi, we’re leading this transformation, building tools and solutions that redefine how the world pays. By joining us, you’ll play a part in creating the next generation of digital payments in an innovative, supportive, and international environment.

Why This Role Is Right for You

As a Senior Network Engineer, you’ll join a collaborative and forward-thinking Data Center Networking team based in Helsinki — part of a group-wide network organization spanning multiple countries across Europe. Together, we design, operate, and evolve the high-availability network infrastructure that underpins Nexi's payment processing capabilities, ensuring reliability, security, and scale for millions of transactions every day.

About Your Future Role

In this position, you will:

• Design, implement, and maintain data center network infrastructure, including Cisco ACI fabric, routing, and switching at scale.
• Manage and optimize F5 load balancing solutions, ensuring high availability and performance for critical payment services.
• Operate and troubleshoot BGP, OSPF, and other routing protocols within and between data center environments.
• Participate in group-wide network infrastructure projects, contributing local expertise while collaborating with engineers and architects across Nexi's international organization.
• Collaborate with architecture, security, and operations teams across the group on network design reviews, capacity planning, and infrastructure improvements.
• Contribute to incident response, root cause analysis, and continuous service improvement across the data center network domain.
• Produce and maintain high-quality technical documentation, including HLDs, LLDs, and runbooks.
  
  

What Makes You a Great Fit

We’re looking for someone eager to make a difference. Here’s what we value:

Essential Qualifications:

• 7–10 years of hands-on experience in enterprise or data center networking.
• Strong expertise with Cisco ACI / SDN fabric design and operations.
• Proven experience with F5 BIG-IP load balancing, including LTM and related modules.
• Deep knowledge of BGP, OSPF, and layer 2/3 routing protocols in multi-site environments.
  
  

Bonus Skills:

• Experience with cloud networking on AWS or Azure.
• Network automation skills using Python or similar scripting tools.
• Familiarity with PCI DSS compliance requirements in a network context.
• Working knowledge of ITIL processes and ServiceNow for incident and change management.
  
  

Even if you don’t check every box, your unique potential and willingness to learn could set you apart.

What’s in it for You?

• Attractive salary and a competitive benefits package to reward your expertise and contributions
• Tech equipment: Get the tools you need to succeed, including the latest technology to support your work
• Join an international team: Collaborate with experts from across Europe and bring your ideas to life in a dynamic, global environment
• Grow and develop: Gain hands-on experience and structured training through our PayTech University, designed to accelerate your career and help you reach your full potential
  
  

Discover Life at Nexi

We’re an international team of 10,000 people across 25 countries, united by shared ambition and a passion for innovation. Learn more about our culture, Values, and how we’re shaping the future of digital payments. Visit our Life at Nexi page.

Diversity and Inclusion at Nexi

We are proud to be an equal opportunity employer: together, we succeed by embracing our differences and creating a future where everyone can thrive.

Your Next Step Starts Here

If this opportunity excites you, we’d love to hear your story. Submit your application today, and let’s shape the future of digital payments together!

Responsibilities

QUALIFICATIONS

About Us

Are you interested in joining one of Europe's leading PayTech companies? Do you want to be part of a diverse team, collaborating with colleagues from across Europe? If so, you're in the right place!

About The Team

We are the result of merging Nexi, Nets, and Sia, with a presence in over 25 countries. With over 80 years of experience, we offer plenty of opportunities for personal and professional growth

At Nexi, we learn, adapt, and think like entrepreneurs. Discover more about our culture by visiting this page: https://www.nexigroup.com/en/people/life-at-nexi/overview/?utm_source=career-platform&utm_medium=job-openings&utm_content=about-the-team