Senior Network Engineer
Ralliant
Viersen, Germany
1 day ago
- Discuss this with your agent
- Open in Claude
- Open in ChatGPT
Apply on www.adzuna.de
Prepare application
- Draft this with your agent
- Open in Claude
- Open in ChatGPT
Role details
Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source
Tech stack
Wireless LAN
Amazon Web Services
Microsoft Azure
Border Gateway Protocol
Cisco PIX
Cloud Computing
Cloud Computing Security
Cloud Engineering
Computer Networks
Data Centers
Dynamic Host Configuration Protocol
Disaster Recovery
+37 more
Dynamic Multipoint Virtual Private Networks
Domain Name System (DNS)
Enhanced Interior Gateway Routing Protocol
Hot Standby Router Protocol
Internet Protocol Security (IP SEC)
IP Routing
Subnetting
Virtual Private Networks (VPN)
Python (Programming Language)
Network Security
Network Monitoring
Routing
Network Segmentation
Packet Analyzer
Open Shortest Path First (OSPF)
Peering
Remote Access Technology
Ansible
TCP/IP
Tcpdump
Wireshark
Virtual Local Area Networks
Virtual Router Redundancy Protocols
Wide Area Networks
Wireless Networks
Wi-Fi Technology
Data Logging
Identity Services Engine
System Availability
Firewalls (Computer Science)
Amazon Virtual Private Cloud (VPC)
Information Technology
SolarWinds (Software)
Api Design
Terraform
Oracle Cloud Infrastructure
Cisco
Job description
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., * 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
Requirements
- 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
Apply for this position
This job is hosted externally. Click below to view the full posting and apply.
Apply on www.adzuna.de
Prepare application
- Draft this with your agent
- Open in Claude
- Open in ChatGPT
Good distractions
Loading talks and stories from around this role…