Senior Network Security Engineer — Global IP Networks

Ericsson; Maastricht; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Annual bonus

International career opportunities

Job summary

Ericsson in Maastricht, Netherlands, is seeking a Senior Network Security Engineer to join a diverse, high-skilled team working on a leading telecom network. You will design, build, secure, and improve a top-tier IP network in close collaboration with customers and vendors.

The role requires CCNA with NSE4/CCSE/CCSA and BIG-IP certifications, plus experience in firewalling, DNS/IPAM, and automation (Ansible). Dutch is advantageous; English is essential.

Qualifications

• CCNA certification, plus 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.

Responsibilities

• 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.

Skills

CCNA

NSE4

CCSE/CCSA

BIG-IP

Network security

Problem solving

Independent work

Team player

Dutch language

English fluent

IP Network Engineer

Service orientation

Education

CCNA cert

NSE4 cert

CCSE/CCSA cert

BIG-IP cert

Tools

Ansible

Python

Infoblox

Job description

Ericsson in Maastricht, Netherlands, is seeking a Senior Network Security Engineer to join a diverse, high-skilled team working on a leading telecom network. You will design, build, secure, and improve a top-tier IP network in close collaboration with customers and vendors.

The role requires CCNA with NSE4/CCSE/CCSA and BIG-IP certifications, plus experience in firewalling, DNS/IPAM, and automation (Ansible). Dutch is advantageous; English is essential.