Field Network Engineer Cisco Scada East Midlands East Anglia

Field Network Engineer Cisco Scada East Midlands East Anglia

Posted 3 days ago by TELSTRA Associates

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£470 Per day
Inside
Undetermined
East Midlands, East Anglia , UK
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Authentications Automation Azure Active Directory Cyber Security Failover Firewall Management Microsoft 365 Microsoft Azure Network Address Translation Network Information Systems Operational Technology (OT) Security Security Information And Event Management (SIEM) Software Design Supervisory Control And Data Acquisition (SCADA) Virtual Private Networks (VPN) VLAN Trunking Protocol (VTP) VPN Tunnels Vulnerability Vulnerability Scanning

Summary: A leading IT Consultancy is looking for a Field Network Engineer to work on a contract basis with a Utilities Company. The role involves traveling to various customer sites in Norfolk, Northampton, Lincoln, and Cambridge for the implementation of Cisco and SCADA systems. The engineer will be responsible for integrating Cisco IR1101 Routers and Schneider managed Switches into existing operational technology environments. Key tasks include ensuring secure connectivity and compliance with industry standards.

Key Responsibilities:

  • Deploy and configure Cisco IR1101 Routers and Schneider MCSESM123F2LG0 managed Switches (8 RJ45 + 4 SFP ports).
  • Implement VLAN segmentation (eg, VLAN 40 for new SCADA).
  • Configure static routes and NAT on Cisco IR1101 for inter-site communication.
  • Establish Transition VLAN for integration between Legacy and new networks.
  • Ensure SCADA traffic flows through Cisco IR1101 without bypass.
  • Maintain connectivity to Legacy devices without re-IP.
  • Update Firewall rules as required for new IP addresses and NAT configurations.
  • Perform end-to-end connectivity tests between SCADA and PLC devices (local and remote).
  • Adherence to Water OTASP standards including Asset Monitoring, Telemetry, Automation, and SCADA software design.
  • Compliance with NIS Directive for critical infrastructure security.
  • Knowledge of IEC 62443 cybersecurity framework for industrial control systems.
  • Implementation of secure VLAN segmentation (VLAN 10 - OT/ICS, VLAN 20 - Management, VLAN 40 - SCADA).
  • Experience with Azure AD integration for SCADA IPC authentication.
  • Familiarity with security tools such as SIEM logging, Qualys vulnerability scanning, and Microsoft Defender.
  • Ability to configure MPLS and IPSEC VPN tunnels for remote connectivity and backup links (4G failover).

Key Skills:

  • Cisco certifications (CCNA/CCNP).
  • Experience with OT/ICS environments and SCADA integration.
  • Knowledge of Firewall rule management and secure remote connectivity.

Salary: £470 per day

City: undetermined

Country: UK

Working Arrangements: undetermined

IR35 Status: inside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

A leading IT Consultancy is seeking a Field Network Engineer on a contract basis to work on a project with a leading Utilities Company.

The Field Network Engineer will be expected to travel to customer sites for implementation in Norfolk, Northampton, Lincoln & Cambridge (Lyng Forge, East Dereham, Pitsford, Newton on Trent, Stoke Ferry, Hall, Diddington)

The Field Network Engineer must have experience in Cisco and Scada.

Role Overview:
Seeking a skilled Field Network Engineer role to integrate Cisco IR1101 Routers, OnLogic IPC's and Schneider MCSESM123F2LG0 managed Switches into existing OT environments, ensuring secure and reliable connectivity between Legacy networks and new SCADA systems

Key Responsibilities and Skills

  • Deploy and configure Cisco IR1101 Routers and Schneider MCSESM123F2LG0 managed Switches (8 RJ45 + 4 SFP ports).
  • Implement VLAN segmentation (eg, VLAN 40 for new SCADA).
  • Configure static routes and NAT on Cisco IR1101 for inter-site communication.
  • Establish Transition VLAN for integration between Legacy and new networks.
  • Ensure SCADA traffic flows through Cisco IR1101 without bypass.
  • Maintain connectivity to Legacy devices without re-IP.
  • Update Firewall rules as required for new IP addresses and NAT configurations.
  • Perform end-to-end connectivity tests between SCADA and PLC devices (local and remote).
  • Adherence to Water OTASP standards including Asset Monitoring, Telemetry, Automation, and SCADA software design.
  • Compliance with NIS Directive for critical infrastructure security.
  • Knowledge of IEC 62443 cybersecurity framework for industrial control systems.
  • Implementation of secure VLAN segmentation (VLAN 10 - OT/ICS, VLAN 20 - Management, VLAN 40 - SCADA).
  • Experience with Azure AD integration for SCADA IPC authentication.
  • Familiarity with security tools such as SIEM logging, Qualys vulnerability scanning, and Microsoft Defender.
  • Ability to configure MPLS and IPSEC VPN tunnels for remote connectivity and backup links (4G failover).

Preferred Qualifications

  • Cisco certifications (CCNA/CCNP).
  • Experience with OT/ICS environments and SCADA integration.
  • Knowledge of Firewall rule management and secure remote connectivity.
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