Senior Network Engineer IP-Security
Confirmed on the employer's own hiring board on Oct 3, 2026. First seen by Alion on Aug 13, 2026. Ericsson scores B on the Alion truth index.
Grow with us!
About this opportunity:
Ericsson is one of the leading providers of Information and Communication Technology (ICT) to service providers, with about 40% of the world’s mobile traffic carried through our networks. We enable the full value of connectivity by creating game-changing technology and services that are easy to use, adopt, and scale, making our customers successful in a fully connected world. For more than 150 years, our ideas, technology, and people have changed the world: real turning points that have transformed lives, industries, and society as a whole.
We are currently looking for a Senior Network Security Engineer to join our team in Maastricht. In this role, you will be part of a diverse and highly skilled team working on one of the leading telecom networks worldwide. You will collaborate with IP and telecom experts to design, build, secure, and improve a high-end network environment in close partnership with our customer.
You will work in a state-of-the-art, multi-vendor technology landscape where security, reliability, and continuous improvement are key:
- Security technologies: firewalling, DNS, load balancing, IPSec VPNs and IDPS
- Network vendors: Cisco and Juniper
- Firewalls: Check Point, Juniper, Cisco, Fortinet and F5
- Load balancing: F5
- DNS and IPAM: Infoblox
What you will do:
- Review high-level and low-level network designs and provide practical, value-adding feedback.
- Build and improve secure IP network solutions based on approved designs.
- Prepare, test, and validate changes in the Test Centre before implementation in the live network.
- Deploy network security changes and solutions through a strict change management process.
- Analyse current manual processes and help automate them using tools such as Ansible.
- Work closely with colleagues, vendors, and customer stakeholders to keep the network secure, stable, and future-ready.
The skills you bring:
- CCNA certification, along with additional certifications such as NSE4, CCSE/CCSA, and BIG-IP.
- Knowledge of network configuration management tools.
- Proven experience in network security engineering.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently and as part of a collaborative team.
- Around 5-10 years of experience as an IP Network Engineer.
- Service-oriented mindset.
- Proficiency in Dutch is a significant asset, and business fluency in English is essential.
Nice to have:
- Experience working with Ansible and Python.
- Experience setting up and managing CI/CD pipelines.
- Experience with Infrastructure as Code.
What we offer?
- The opportunity to work in an international organisation where technology and customer interaction come together.
- Industry-related training and room to keep developing your technical skills.
- Flexible working hours and a professional, collaborative working environment.
- A competitive compensation package, including an annual bonus.
- International career opportunities within a global ICT company.
Why join Ericsson? At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Netherlands (NL) || Maastricht
Req ID: 789338