Senior System and Network Engineer

Job Description

Remarkable people, trusted by clients to design and advance the world.

Wood is currently recruiting for a Senior System and Network Engineer to join the team at our SAGE St Fergus site. The preference would be to be site based full time, however hybrid working arrangements can be agreed.

The Senior Systems and Network Engineer is responsible for the administration, configuration management, lifecycle support, and cyber security assurance of critical Operational Technology (OT) and Industrial Automation and Control Systems (IACS) within the SAGE environment – Primarily on SAGE's IACS Purdue Level 3.

The Role:

The role provides specialist technical leadership across industrial networks, historian platforms, interfaces, embedded applications, and cyber security controls, ensuring systems remain secure, reliable, compliant, and fit for purpose throughout their lifecycle. The position acts as a key technical interface between operations, projects, IT, vendors, and security stakeholders. This role is Site based at SAGE Gas Terminal, St Fergus, and may on occasion require some out of hours technical support.

Designing the future. Transforming the world.

Operated Assets sits with Wood's Operations EMEA business and is based in Aberdeen. We build long term strategic relationships with clients across each of our 4 sub-service lines:
Decommissioning, Operations & Maintenance, Duty Holder and Optimised Energy...

• Meaningful and interesting projects we support green hydrogen and fuel switching, as well as supporting local clients with energy transition
• Commitment to Diversity and Inclusion; we are an organisation actively committed to diversity and inclusion across our business with employee networks committed to giving all employees a voice
• Competitive salary with regular salary reviews to ensure we are rewarding at the right level in line with the market
• Flexible benefits package; inclusive of 33 days annual leave (including public holidays), generous contributory pension scheme, private medical cover, 4x base salary life insurance; all of these and more that can be adapted to suit your own lifestyle
• Commitment to continued professional development; development plans that are tailored to your individual needs and interests
• Global connections; join experts around the world who are at the leading edge of our industry, shaping the standards of our profession

• Provide database administration, configuration management, and technical support for SAGE operational systems including PCMS, PI Systems (PI2, PI3), SPEEDO, GSMR/DEWPOINT/EFF Visual Basic applications, and Nutanix virtualisation clusters
• Maintain configuration control, documentation, and asset registers for OT and networked systems
• Perform fault diagnosis, troubleshooting, and resolution for live operational systems

• Support, configure, and maintain system interfaces using technologies including OPC, PI-to-PI, Serial Modbus, PI API, PI Client tools, and Vendor Management Systems (VMS)
• Manage system data interfaces with third-party systems and partners, ensuring data integrity, availability, and security
• Support embedded applications and advanced data usage within PI systems, including KPIs, diagnostics, CVSL, run hours, PACED metrics, flare flows, and performance monitoring

• Support the implementation, maintenance, and continuous improvement of SAGE industrial cyber security controls in line with IEC 62443, IEC 27001/27002, and SAGE cyber security policies
• Interface with Wood IT, Wissen, and the Wood Security Group for network services, firewall rule reviews, approvals, and cyber security assurance activities
• Support OT intrusion detection systems and participate in cyber risk assessments and security reviews
• Contribute to the design, review, and maintenance of secure OT network architectures, including segmentation and defence-in-depth principles

• Liaise with and manage specialist software, automation, telecoms, and datacomms vendors, including those supporting leak detection,…