Senior System and Network Engineer in London

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 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.

What we can offer:

• Meaningful and interesting projects supporting 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.

Responsibilities:

• System Administration & Configuration Management: 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.
• Interfaces & Data Integration: 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.
• Cyber Security & Network Engineering: 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.
• Vendor & Stakeholder Management: Liaise with and manage specialist software, automation, telecoms, and datacomms vendors, including those supporting leak detection, composition tracking, BPIMS, SPIMS, NINJA, and 4MS services. Review vendor system health reports and coordinate corrective actions as required. Act as a key technical interface with SAGE Operations, Process Engineering, Ancala Allocations, Supply Chain, IT, Metering, and Project teams.
• Engineering & Project Support: Prepare and review engineering studies, specifications, technical notes, scopes of work, system and network drawings, and design documentation. Support Management of Change (MOC) activities and acceptance testing for system modifications. Provide technical support to Wood projects throughout the project lifecycle, including brownfield upgrades, system replacements, and obsolescence management.
• Operational Support & Governance: Support SAGE operations and business users in the effective use of monitoring and historian applications. Support systems lifecycle management including patching, upgrades, replacement strategies, and obsolescence planning. Prepare and manage Permits to Work for self and vendors working on SAGE systems and infrastructure. Ensure compliance with applicable engineering standards, procedures, and best practices.

Qualifications:

At Wood, we are committed to equal opportunities and welcome all talented individuals to consider joining our team. So even if you don't match every statement below but feel you have some of the experience, knowledge or skills needed for this role, we encourage you to apply. It will take all of us working together to deliver solutions to the world's most critical challenges.

• Completed recognised apprenticeship or equivalent certified training program.
• Degree qualified (BSc or equivalent) in Engineering, Computer Science, or a related discipline, or demonstrable equivalent experience.
• Chartership or relevant professional engineer status accredited by a national or industry engineering institution preferred.

Knowledge, skills and experience:

• Significant experience in industrial control system network design and OT environments.
• Strong understanding of IEC 62443 Industrial Cyber Security principles.
• Good understanding of IEC 27001/27002 Information Security Management.
• Experience with industrial communication protocols such as Modbus, DNP3, and OPC, including associated security considerations.
• Experience delivering and supporting brownfield automation and control system upgrades or replacement projects.
• Proven ability to write technical specifications and engineering documentation.
• Strong knowledge of engineering practices, methodologies, applicable codes, standards, and lifecycle management.
• Inquisitive, well organised, and detail-oriented with strong analytical and problem-solving skills.
• Demonstrable working experience as a Network or System Engineer or equivalent.

Desirable:

• Professional certifications such as CCNA, CCNP, CWNP, ISA/IEC 62443 Cybersecurity certifications, or GICSP.
• Experience with OT intrusion detection systems.
• Familiarity with safety standards and regulatory requirements applicable to OT environments.
• Understanding of the interaction between physical security and cyber security in industrial systems.
• Experience with modern automation tools, platforms, and engineering software.

Personal attributes:

• Leadership.
• Self-Motivation.
• Organised and methodical in approach to work.
• Maintains high personal integrity when dealing with all aspects of company business.
• Excellent interpersonal skills - being able to work well with supervision, colleagues and Vendors.
• Sound communication skills both written and oral.
• Flexibility.

About Us:

Wood is a global leader in consulting and engineering, helping to unlock solutions to critical challenges in energy and materials markets. We provide consulting, projects and operations solutions in 60 countries, employing around 35,000 people.

Diversity Statement: We are an equal opportunity employer that recognises the value of a diverse workforce. All suitably qualified applicants will receive consideration for employment on the basis of objective criteria and without regard to race, colour, age, religion, gender, national origin, disability, sexual orientation, gender identity, protected veteran status, or other characteristics in accordance with the relevant governing laws.