Application Specialist - Maximo

Southern Water; Brighton; Hybrid; GBP 39,000 - 65,000; Full time

Job summary

Southern Water is seeking an experienced Maximo Application Specialist to join their Wholesale Platforms Team in Falmer, Brighton (Hybrid: 2 days in office). You will manage, support, develop, and optimise the Maximo Application Suite to drive business value across the organisation and partner network.

You will ensure MAS reliability, security, and future-fit functionality, collaborating with business stakeholders, project teams, and external partners to deliver improvements, migrations, and

Qualifications

• Extensive experience with MAS v8/v9 administration and configuration.
• Strong MAS architecture knowledge including OpenShift and cloud environments.
• Expertise with Work Management, Asset/Inventory/Purchasing modules in MAS.
• Experience with MAS Monitor, Health, Predict, and Mobile.
• Proficiency with the Maximo Integration Framework (MIF).
• Experience building and supporting REST and SOAP integrations.
• Knowledge of databases including DB2, SQL, Oracle.
• Ability to translate business needs into technical solutions.
• Experience in asset management application environments.
• Strong governance, data quality, and stakeholder engagement.
• Excellent communication and relationship-building skills.
• Self-motivated and capable of working independently.

Responsibilities

• Provide expert support, maintenance, and admin for MAS and related apps.
• Manage Maximo infrastructure for stability and performance.
• Gather requirements and translate into technical solutions.
• Act as primary Maximo SME for issues and initiatives.
• Collaborate with vendors to implement improvements.
• Design, test, and document changes and integrations.
• Support Maximo projects from design to implementation.
• Develop and run testing for releases.
• Apply new releases and enhancements with config and integration work.
• Identify opportunities to improve processes and value.
• Maintain databases and reporting infrastructure.
• Create technical and functional documentation.
• Deliver user training to Maximo users.
• Develop and support integrations and automation.
• Engage stakeholders across business and tech.
• Ensure alignment with architecture and governance.

Skills

MAS administration

MAS architecture

REST APIs

SOAP APIs

Python/Jython

JavaScript

YAML

XML

DB2/SQL/Oracle

Stakeholder engagement

Communication

Independent work

Tools

OpenShift

MIF

REST client

Job description

Maximo Application Specialist

Closing Date: 2026-09-25

Location

Falmer, Brighton – Hybrid working (2 days in the office)

Team

Wholesale Platforms Team

Salary

up to £65k + benefits

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 Management
  • Work Management
  • Inventory Management
  • Purchasing
• 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 Scripts
  • Python/Jython
  • JavaScript
  • YAML
  • XML
• 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.