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
Skills Required
- CCNA certification
- Certifications such as NSE4, CCSE/CCSA, BIG-IP
- Proven experience in network security engineering
- 5-10 years of experience as an IP Network Engineer
- Experience with firewalling, DNS, load balancing, IPSec VPNs and IDPS
- Experience with Cisco and Juniper networking vendors
- Knowledge of network configuration management tools
- Business fluency in English
- Proficiency in Dutch
- Experience with Ansible and Python
- Experience setting up and managing CI/CD pipelines
- Experience with Infrastructure as Code
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Healthcare Strength — Health coverage options are described as broad, with multiple medical plan choices (often three) plus dental and mental health resources. U.S. materials also reference PPO and HDHP options, and some teams contribute to HSAs.
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Retirement Support — U.S. postings outline a 401(k) with an automatic 3% company contribution plus matching that reaches 4% when employees contribute 5%. This combination is repeatedly listed in role postings and characterized as strong for the sector.
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Parental & Family Support — U.S. job descriptions frequently cite up to 16 weeks paid maternity leave and 6 weeks paid parental/adoption leave at 100% pay. These benefits are positioned as exceeding many U.S. corporate policies.
Ericsson Insights
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.
