Senior Network Engineer

Ralliant; Viersen; Hybrid; EUR 70,000 - 100,000; Full time

Job summary

Ralliant is seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WiFi, data centers, and cloud connectivity. The role demands deep technical expertise, strong troubleshooting, and leadership across network initiatives.

You will design and maintain network infrastructure, lead upgrades and migrations, and mentor junior engineers while ensuring high availability and disaster recovery readiness.

Qualifications

• Hands-on enterprise network engineering experience.
• Excellent communication with stakeholders.
• Strong troubleshooting using packet capture tools.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN).
• Manage routing and switching environments (SDWAN, SDA, BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).
• Configure and support firewalls, VPNs, and security controls.

Skills

Enterprise networking

Troubleshooting

Stakeholder communication

Education

Bachelor’s degree in IT/CS or equivalent

Tools

Cisco routing/switching

Wireshark

Job description

Job Title: Senior Network Engineer

Location: [Remote / Hybrid]

Job Type: Full-time

Department: IT / Infrastructure / Network Operations

Reports To: IT Director

About the Role

We 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 Responsibilities

• Design, 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 Groups
  • Azure VNet / VNet Peering / UDR / NSGs / Cloud Firewall
• Implement secure hybrid connectivity:
  • IPsec site-to-site VPN
  • AWS Direct Connect / Azure ExpressRoute
• Implement cloud segmentation and secure routing patterns for CUI environments.
• Support cloud security integrations:
  • Centralized logging/monitoring
  • Network traffic visibility and alerting
• Partner with cloud engineering teams to ensure compliant connectivity for workloads handling CUI

Required Qualifications

• Bachelor’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, InfoBlox
  • WAN technologies (DMVPN, SD-WAN, DIA, broadband)
  • Wireless networking (Cisco/Meraki) with ISE Infra
• Experience with:
  • Firewalls (Palo Alto / Cisco ASA/FTD)
  • VPN (site-to-site, remote access)
  • Network segmentation and security best practices
• Strong troubleshooting skills using packet capture tools (Wireshark/tcpdump).
• Excellent communication and stakeholder management skills.

Preferred Qualifications

• Experience with SD-WAN (Viptela, etc.)
• Cloud networking experience: AWS / Azure / OCI
  • VPC/VNet design, VPN, Direct Connect/ExpressRoute
• Automation 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 / NSE

LI-MP1

Ralliant Corporation Overview

Ralliant, 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 Tektronix

Tektronix, 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].