Senior Network Engineer

Tektronix; Viersen; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Tektronix, Inc. in Viersen, Germany, is seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WLAN, data centers, and cloud connectivity.

You will lead network initiatives, optimize routing, and manage security controls in a hybrid working environment. The role requires hands-on experience with Cisco routing/switching, SD-WAN, firewalls, VPNs, and cloud networking (AWS/Azure).

Qualifications

• Bachelor’s degree in IT/Computer Science or equivalent work experience.
• Hands-on enterprise network engineering experience.
• Strong troubleshooting skills using packet capture tools (Wireshark/tcpdump).

Responsibilities

• Design, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).
• Manage and optimize routing and switching environments (SD-WAN, SDA, BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
• Configure and support firewalls, VPNs, and network security controls.
• Lead network upgrades, migrations, and major infrastructure projects.
• Monitor network health and troubleshoot performance issues; conduct root cause analyses.
• Maintain network documentation, diagrams, IP schemas, standards, and runbooks.
• Collaborate with service providers for circuit turn-ups and escalations.
• Ensure high availability, redundancy, and disaster recovery readiness.
• Mentor junior engineers and participate in on-call rotation.
• Cloud Networking design and support (AWS/Azure/OCI).

Skills

Routing & Switching

TCP/IP

Subnetting

DNS

DHCP

SD-WAN

WAN Technologies

Wireless Networking

Cisco ISE

Firewalls

VPN

Network Segmentation

Security Best Practices

Wireshark

Education

Bachelor’s degree in IT/CS or equivalent

Tools

SolarWinds

ThousandEyes

Wireshark

Job description

Viersen, Nordrhein-Westfalen, GermanyJob Title: Senior Network EngineerLocation: [Remote / Hybrid]Job Type: Full-timeDepartment: IT / Infrastructure / Network OperationsReports To: IT DirectorAbout the RoleWe are seeking a Senior network engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WiFi, data centers, and cloud connectivity. This role requires deep technical expertise, strong troubleshooting skills, and the ability to lead network initiatives from planning through execution.Key ResponsibilitiesDesign, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).Manage and optimize routing and switching environments (SDWAN, SDA, BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).Configure and support firewalls, VPNs, and network security controls.Lead network upgrades, migrations, and major infrastructure projects.Support and troubleshoot network performance issues and outages (root cause analysis).Monitor network health using tools like SolarWinds / ThousandEyes (or similar).Maintain network documentation: diagrams, IP schema, standards, and runbooks.Work with service providers for circuit turn-ups, troubleshooting, and escalations.Ensure high availability, redundancy, and disaster recovery readiness.Mentor junior engineers and provide technical guidance.Participate in on-call rotation and support after-hours maintenance activities.Cloud Networking (AWS/Azure/OCI)Design and support cloud network architecture, including:AWS VPC / Transit Gateway / Route Tables / NACLs / Security GroupsAzure VNet / VNet Peering / UDR / NSGs / Cloud FirewallImplement secure hybrid connectivity:IPsec site-to-site VPNAWS Direct Connect / Azure ExpressRouteImplement cloud segmentation and secure routing patterns for CUI environments.Support cloud security integrations:Centralized logging/monitoringNetwork traffic visibility and alertingPartner with cloud engineering teams to ensure compliant connectivity for workloads handling CUIRequired QualificationsBachelor’s degree in IT/Computer Science or equivalent work experience.Hands-on enterprise network engineering experience.Strong knowledge of:Routing and switching (Cisco)TCP/IP, subnetting, DNS, DHCP, InfoBloxWAN technologies (DMVPN, SD-WAN, DIA, broadband)Wireless networking (Cisco/Meraki) with ISE InfraExperience with:Firewalls (Palo Alto / Cisco ASA/FTD)VPN (site-to-site, remote access)Network segmentation and security best practicesStrong troubleshooting skills using packet capture tools (Wireshark/tcpdump).Excellent communication and stakeholder management skills.Preferred QualificationsExperience with SD-WAN (Viptela, etc.)Cloud networking experience: AWS / Azure / OCIVPC/VNet design, VPN, Direct Connect/ExpressRouteAutomation experience (Python, Ansible, Terraform, API-based networking).Experience with NAC solutions (Cisco ISE, ClearPass).Knowledge of compliance/security frameworks (NIST, CMMC, ISO 27001).Certifications preferred:CCNP / CCIE (Enterprise/Security)PCNSE / NSELI-MP1Ralliant Corporation OverviewRalliant, originally part of Fortive, now stands as a bold, independent public company driving innovation at the forefront of precision technology. With a global footprint and a legacy of excellence, we empower engineers to bring next-generation breakthroughs to life — faster, smarter, and more reliably. Our high-performance instruments, sensors, and subsystems fuel mission-critical advancements across industries, enabling real-world impact where it matters most. At Ralliant we're building the future, together with those driven to push boundaries, solve complex problems, and leave a lasting mark on the world.About TektronixTektronix, a wholly owned subsidiary of Ralliant Corporation, is a place where people are challenged to explore the boundaries of what’s possible, bringing the digital future one step closer every day. Through precision-engineered measurement solutions, we work with our customers to eliminate the barriers between inspiration and realization of world-changing technologies. We believe that cultivating a deeper sense of loyalty and belonging is key to how we attract and retain our best people. This reality inspires our Inclusion & Diversity vision, We Are More Together, and guides our approach as we all work toward creating great places where our teams work and thrive. Realize your true potential at Tektronix – join us in revolutionizing a better tomorrow!We Are an Equal Opportunity Employer. Ralliant Corporation and all Ralliant Companies are proud to be equal opportunity employers. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, national origin, religion, sex, age, marital status, disability, veteran status, sexual orientation, gender identity or expression, or other characteristics protected by law. Ralliant and all Ralliant Companies are also committed to providing reasonable accommodations for applicants with disabilities. Individuals who need a reasonable accommodation because of a disability for any part of the employment application process, please contact us at [e-mail].