Application Specialist - Maximo

Southern Water; Worthing; Hybrid; GBP 59,000 - 72,000; Full time

Benefits offered by this job

Hybrid working

On-call payment

Benefits

Job summary

Southern Water is seeking an experienced Maximo Application Specialist to join the Wholesale Platforms Team in Falmer, Brighton on a hybrid basis (2 days in the office). The role focuses on managing, supporting, developing, and optimizing the Maximo Application Suite (MAS) to drive value across the organisation and partner network.

You will ensure MAS reliability, security, and future-readiness, working with stakeholders, project teams, suppliers, and technology partners to enhance

Qualifications

• Extensive experience supporting, administering, and configuring Maximo Application Suite (MAS) v8/v9.
• Strong understanding of MAS Architecture, incl. Red Hat OpenShift containerisation and cloud-hosted environments.
• Expert knowledge of Maximo components and integration points.
• Experience with Maximo Monitor, Health, Predict, and Mobile.
• Strong knowledge of Maximo Integration Framework (MIF).
• Experience developing and supporting REST and SOAP APIs and enterprise integrations.
• Proficiency in Python/Jython, JavaScript, YAML, XML.
• Strong database knowledge across DB2, SQL, and Oracle.
• Ability to translate business requirements into technical solutions.
• Experience delivering support services in asset management environments.

Responsibilities

• Provide expert support, maintenance, and administration for MAS and related apps.
• Manage and enhance Maximo infrastructure for stability and performance.
• Translate business needs into technical solutions and system enhancements.
• Serve as SME for Maximo issues and initiatives.
• Collaborate with vendors to resolve issues and implement improvements.
• Design, configure, test, and document changes and integrations.
• Support delivery of Maximo projects from design to implementation.
• Develop and execute testing for high-quality releases.
• Implement new releases and upgrades with configuration and integration work.
• Identify opportunities to improve business processes and Maximo value.
• Maintain databases and reporting infrastructure for apps.
• Create and maintain technical and functional documentation.
• Deliver training to Maximo users as required.
• Develop and support application integrations and automation.
• Build relationships with stakeholders across business and tech functions.
• Ensure work aligns with architecture, governance, and methodologies.

Skills

Maximo MAS v8/v9

MAS Architecture

OpenShift

REST APIs

SOAP APIs

MIF

Python/Jython

JavaScript

SQL/DB2/Oracle

Automation Scripts

Job description

Closing Date

2026-09-25

Maximo Application Specialist

Location: Falmer, Brighton – Hybrid working (2 days in the office)
Team: Wholesale Platforms Team
Salary: up to £65k + benefits + on call payment

On-Call Requirement: Participation in a paid out-of-hours support rota

Join Our Team

We’re looking for an experienced Maximo Application Specialist to join our Wholesale Platforms Team. This is a fantastic opportunity to play a pivotal role in the management, support, development, and optimisation of the Maximo Application Suite (MAS) platform, helping drive business value across our organisation and partner network.

As our subject matter expert for Maximo, you’ll be responsible for ensuring the platform remains reliable, secure, and fit for the future. You’ll work closely with business stakeholders, project teams, suppliers, and technology partners to enhance application functionality, deliver integrations, support operational users, and identify opportunities for continuous improvement.

Alongside Maximo, you’ll support a portfolio of connected technologies including integrations, databases, monitoring tools, mobile applications, and wider Wholesale business systems.

What You’ll Be Doing

• Provide expert application support, maintenance, and administration for the Maximo Application Suite and associated applications.
• Manage and enhance the Maximo infrastructure, ensuring platform stability, performance, and availability.
• Gather and analyse business requirements, translating them into effective technical solutions and system enhancements.
• Act as the primary point of contact and subject matter expert for Maximo-related issues and initiatives.
• Work with application vendors and third‑party suppliers to resolve issues and implement improvements.
• Design, develop, configure, test, and document application changes, integrations, automation solutions, and system enhancements.
• Support the delivery of Maximo-related projects from design through to implementation.
• Develop and execute testing activities to ensure high‑quality application releases.
• Implement new software releases, upgrades, and enhancements, including configuration, testing, and integration activities.
• Identify and lead opportunities to improve business processes and maximise the value delivered by Maximo.
• Support and maintain databases and reporting infrastructure associated with business applications.
• Create and maintain high‑quality technical and functional documentation.
• Deliver user training and knowledge transfer to specialist Maximo users where required.
• Develop and support application integrations and process automation solutions.
• Build strong relationships with stakeholders across the business and technology functions.
• Ensure all work aligns with established architectural principles, governance standards, and development methodologies.

What We’re Looking For

Essential Skills & Experience

• Extensive experience supporting, administering, and configuring Maximo Application Suite (MAS) v8/v9.
• Strong understanding of MAS Architecture, including Red Hat OpenShift containerisation and cloud‑hosted environments.
• Expert functional knowledge of:Asset ManagementWork ManagementInventory ManagementPurchasing
• Experience with Maximo Monitor, Health, Predict, and Mobile.
• Strong knowledge of the Maximo Integration Framework (MIF).
• Experience developing and supporting REST and SOAP APIs and enterprise integrations.
• Experience administering and maintaining large‑scale Maximo datasets and governance processes.
• Proficiency in:Automation ScriptsPython/JythonJavaScriptYAMLXML
• Strong database knowledge across DB2, SQL, and Oracle.
• Ability to translate business requirements into practical technical solutions.
• Experience delivering support services within an asset management application environment.
• Experience managing system governance, data quality, and stakeholder engagement.
• Excellent communication and relationship‑building skills.
• Self‑motivated, proactive, and able to work independently and collaboratively.

Desirable Skills & Experience

• Experience within the Water or Wastewater industry.
• Knowledge of project delivery methodologies such as Agile and Waterfall.
• Understanding of digital and enterprise system architecture.
• Experience with mobile workforce or field service applications.

Southern Water is at the forefront of transforming Britain’s water industry, investing significantly to enhance resilience, sustainability, and service excellence. With £7.8bn planned investment for 2025-30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.

You will be joining at a time of significant change, working alongside a highly skilled leadership team with a clear vision for the future. We offer an environment where senior professionals can make a meaningful impact, influence major strategic decisions, and drive long‑term value creation

Our Commitment to Diversity

We welcome applicants from all backgrounds, identities, and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion, or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.

Additional information

In line with Southern Water’s security requirements, successful candidates will be required to provide evidence of their identity, eligibility to work in the UK, criminal record check (DBS)and verification of their employment and/or education history for the past three years.

Appointment to this role is subject to the successful completion of all pre‑employment checks, including security vetting.

Please note that if a candidate does not meet the required security standards or fails to pass the vetting process, Southern Water reserves the right to withdraw the offer of employment. Some positions may also require higher levels of security vetting, which may involve providing additional documentation.