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Operational Technology, Architect And Database Administrator
2 weeks ago
Select how often (in days) to receive an alert:
Operational Technology, Architect and Database AdministratorVacancy Number: 26556
Category: Engineering - Other
Job Type: Full-time
Position Description The DMSO (Distribution Markets and System Operation) Operations Systems Support (OSS) team is seeking to fill the role of SCADA Specialist.
The role of the OSS team is to support and maintain ESB Networks critical Operational Technology (OT) systems which include SCADA, Network Management System (NMS) and Geographic Information System (GIS).
NMS is the real time operations system including the Outage Management System (OMS) and the Distribution Management System (DMS).
The DMS includes applications such as Power Flow, Network Optimisation, Load Forecasting, Fault Location, Isolation, and Service Restoration (FLISR) and Distribution Energy Resource Management Systems (DERMS).
SCADA is the real time operations system used in the National Distribution Control Centre (NDCC) to control and monitor the distribution network.
It enables the NDCC to operate the network under maximum safety, isolating faults and restoring supply in the event of an outage.
The OT Architect and Database Administrator will be responsible for supporting, maintaining, and developing the NMS, and related OT architectures and databases across Operations Systems.
The role will cover a range of activities including the delivery of new OT systems to address evolving operational needs while also supporting the existing OT systems ensuring delivery of service and continual improvement to these systems.
They will support the delivery of new projects required to meet the strategic objectives of the DMSO, including the development of the NMS to support the constantly evolving needs of the Operations function and the wider ESB Networks business.
The OT Architect & Database Administrator will work closely with the Operations Systems Support team, OT Delivery, NMS and SCADA vendors, and ESB's Enterprise Services, Cybersecurity, Telecoms, and ITS teams.
Key Responsibilities Subject Matter Expert in OT Architect and Database Administration.Provide 24x7 support for NMS including the monitoring and management of system hardware and databases.Support the delivery of new projects required to meet the strategic objectives of the DMSO, Operations Systems Support and other cross-functional teams.Planning and delivery of enhancements projects for existing NMS solution.Governance of managed services provided by NMS Vendor, including addressing any system problems, approval of change requests, direction of strategy, directing new feature implementation, and liaising with support staff at all levels.Hardware estate management, e.g.
backup tapes, disk and other hardware replacement coordination with NMS Vendor, privileged access to data centers to conduct site tests, liaison with Data Centre Manager and Enterprise Services.Supports the delivery of NMS system upgrades, problem resolution, tuning of processes, and support of Operations Systems with any issues in the technology stack.Database administration for NMS databases.Provision of specialist advice on hardware and software required to deliver proven High Availability (HA) and Disaster Recovery (DR) capabilities for ESB Networks critical OT systems.Administration of NMS interfaces to 3rd party systems and data users.Management of software licensing, ensuring that hardware and service contracts have appropriate cover.Provide detailed troubleshooting and performance tuning work on a range of database and SQL query related issues.Continuous improvement of processes and procedures for the operation of NMS.Monitoring of systems and proactive management of issues taking technical control of unexpected situations if they arise.Risk Management of any IT changes impacting NMS services.Oversight and control of firewall rule requests and firewall protection mechanisms such as deep packet inspection.
Liaison with ESB's networking team staff on firewall and networking related issues.Planning and delivery of NMS cyber security projects to increase ESB's security posture.Contribute to ESB Networks strategy in the deployment of technologies for enhancing quality of service to customers.Ensure compliance with industry and legislative regulations, standards, and safety protocols.Responsible for regular engagement and communication with all team members as well as the wider network of stakeholders.Support other parts of the business and work closely with stakeholders to understand their requirements and system issues.Develop and maintain NMS training documents, job aids, and support documents.Carry out risk assessment of the various systems as required and contribute to the development of a contingency plan in accordance with best industry practice.Develop functional specifications, procedures, and processes for the operation of the NMS.Contribute to the definition of the OT strategy and OT systems roadmap.Ensure NMS compliance with Corporate, NIS Directive and international cyber security standards as appropriate.
Risk Management of any changes impacting NMS system and GDPR compliance.Provide support to the OT Cybersecurity Manager.Supervise and mentor junior team members, fostering collaboration and skill development. Essential Knowledge, Skills and Experience Minimum of 7 years post graduate experience in OT architecture and database administration.Proven ability to deliver on the "key responsibilities" outlined above.Experience with 24x7x365 critical system infrastructure.Strong Oracle DBA experience, including RAC, ASM, Dataguard, Partitioning, RMAN, Grid HA infrastructure, and MAA architecture.Expert level of knowledge with Oracle datapump export and import processes.Strong Unix operating system skills, including understanding of filesystems, services, user administration, and excellent shell (bash, ksh) scripting capabilities.Ability to track, trace, and resolve performance issues within the architecture stack, including:SQL performance tuning using tkprof, sqltraceDatabase tuning using AWR / ASH and related reporting toolsO/S resourcing using ps, dtrace, top, vmstat, netstat, etcThorough understanding of syslog and alert log messagesEnterprise storage architecture knowledge and ability to direct configuration, e.g.
RAID levels, pool separation, traffic management, replication, and snapshots.
Preferably with ZFS storage, though not essential.Ability to understand firewall rules and policies, and to be able to write rules as needed.Excellent analytical and problem-solving skills.Understanding of Oracle software licensing requirements and framework.Knowledge of cybersecurity within OT systems.Ability to work independently and in a team environment to pinpoint root causes and devise solutions with minimal oversight.A strong work ethic with a clear focus on delivery to ESB Networks safety, time, quality, and cost objectives.Ability to meet deadlines and manage multiple priorities.Self-starter with ability to manage own work and support others within project team.The ability to technically mentor junior team members.A flexible approach to work, especially where necessary to deliver excellent customer service.Strong interpersonal skills.Excellent communication and report writing skills. Desirable Knowledge, Skills and Experience Oracle engineered system experience, i.e.
ExadataExperience in NMS and other critical Operational Technologies.Middleware / message bus technology experience, e.g.
WebLogic, LEC, SOA technologiesOracle Apex administration and configurationSolaris 11, including virtualisation into LDOM / Zone configurationsSolaris Cluster / GeoCluster awarenessOracle Enterprise Manager 13cAn understanding of security frameworks e.g., NIS Directive.Understanding of security principles and knowledge of cyber security technologiesUnderstanding of network architecture and topologiesAbility to understand, and have awareness of, other technologies outside of the installed stack, and be able to comment on / integrate them into the environments as necessary. Location
This position will be based in ESB Networks, Leopardstown Road, Dublin 18
ESB is committed to smart working – combining digital tools with a culture of trust and empowerment to enable flexible ways of working.
The successful candidate may work flexibly within their jurisdiction with attendance at the workplace for in-person collaboration on at least one anchor day per week.
All smart working arrangements are subject to manager approval and ongoing review, based on the operational requirements of the role, the team, and the individual.
Reporting to
Network Management Systems Manager
Why Work with Us?
• Opportunity to lead Ireland's transition to net zero carbon future
• Career development through mentoring and training
• Corporate Social Responsibility Opportunities
• Sports and Social Clubs
• Networking opportunities
• Credit Union
• Generous Pension
• Access to staff well-being programmes
• Generous parental leave entitlements
• Strong values-based and inclusive culture
• Strong commitment to diversity, equity and inclusion
• Great team environment working to our Core Values: Courageous, Caring, Driven and Trusted
Closing Date 9th April 2025
Inclusion and Diversity Statement ESB is committed to being an equal opportunities employer.
We welcome applications from all sections of society and ensure that no one is discriminated against on the grounds of race, religion or belief, ethnicity or nationality, disability, age, citizenship, marital status, domestic or civil partnership status, sexual orientation or gender identity, or any other basis as protected by law.
Applicants who anticipate requiring assistance or reasonable accommodations for any part of the application or interview process may contact, in confidence, ******.
About ESB Join us in our mission to achieve a net-zero electricity system by 2040.
ESB is Ireland's leading energy utility, with activities spanning electricity generation, transmission and distribution, energy supply, energy services and international consultancy.
Operating in Ireland, Northern Ireland and Great Britain, we invest over €1 billion each year to deliver a new energy future based on reliable, affordable zero-carbon electricity.
Our inclusive culture fosters innovation and connection among our 9,000 employees.
At ESB, we support you to be your best so that you can truly make a difference.
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