Network Engineer
Test Triangle Killamarsh, England, United Kingdom
IT Services and IT Consulting · 51-200 employees
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About the role
The Network Engineer will be responsible for designing, commissioning, and operating Cisco SD-Access fabric and SD-WAN infrastructure. They will also manage OT network architecture, implement automation workflows, and ensure robust security across IT/OT environments.
What they look for
Requirements
Candidates must have over 5 years of experience with Cisco networking technologies, including Catalyst switching, SD-WAN, and ISE. Proficiency in scripting languages like Python or Bash and knowledge of industrial cybersecurity frameworks are essential for this role.
Full description
- Location – Sheffield 3 days/week
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- Strong expertise with Cisco Catalyst switching (IOS-XE), VLANs, STP, RSTP, port security, and Qos.
- Practical experience with Cisco SD-WAN / Catalyst SD-WAN) - policy templates, VPN segmentation, and WAN edge configuration.
- Hands-on experience with Cisco SD-Access (SDA) fabric design, commissioning, and operations.
- Working knowledge of Cisco Catalyst Centre - device management, assurance, and automation workflows.
- Understanding of OT network architecture, including the Perdue Model and IT/OT DMZ design.
- Familiarity with OT protocols: Modbus, DNP3, EtherNet/IP, PROFINET, IEC 61850, or OPC-UA.
- Experience writing Terraform configurations for infrastructure provisioning
- Exposure to CI/D tooling (GitLab CI, GitHub Actions, Jenkins, or equivalent).
- Scripting proficiency in Python and/or Bash for network automation tasks.
- Strong troubleshooting skills across Layers 2-7.
- Experience with Cisco ISE (Identity Services Engine) for AAA, profiling, and TrustSec.
- Knowledge of Ansible or Terraform for network configuration management.
- Familiarity with Cisco NSO or RESTCONF/NETCONF interfaces.
- Exposure to industrial cybersecurity frameworks: IEC 62443, NIST SP 800-82, or NIS2.
- Experience with SCADA/ICS systems (e.g., Ignition, Wonder ware, Siemens TIA Portal, Rockwell FactoryTalk).
- Familiarity with network monitoring tools
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