Application Specialist - Maximo

Southern Water; Falmer; On-site; GBP 39,000 - 65,000; Full time

Job summary

Southern Water is seeking an experienced Maximo Application Specialist to join the Wholesale Platforms Team in Falmer (Brighton). This hybrid role involves managing, supporting, and extending the Maximo Application Suite, driving value across the organisation and partner network.

You will be the subject-matter expert ensuring MAS remains reliable, secure, and future-proof, collaborating with stakeholders, project teams, and third-party suppliers to deliver enhancements, integrations, and

Qualifications

• Extensive experience supporting, administering, and configuring MAS v8/v9.
• Strong MAS architecture knowledge including OpenShift and cloud-hosted environments.
• Expert functional knowledge of Asset, Work, Inventory and Purchasing management.
• Experience with Maximo Monitor, Health, Predict and Mobile.
• Strong knowledge of the Maximo Integration Framework (MIF) and APIs.

Responsibilities

• Provide expert application support, maintenance, and administration for the MAS.
• Manage and enhance the Maximo infrastructure for stability and performance.
• Gather and translate business requirements into technical solutions.
• Act as primary Maximo SME for issues and initiatives.
• Coordinate with vendors/partners to resolve issues and improvements.
• Design, configure, test, and document application changes and integrations.
• Support Maximo-related projects from design through implementation.
• Develop and execute testing for high-quality releases.
• Implement new releases/upgrades with configuration and testing.
• Identify opportunities to improve processes and Maximo value.
• Support databases and reporting infrastructure for business apps.
• Create and maintain technical and functional documentation.
• Deliver user training for Maximo specialists where required.
• Develop and support application integrations and automation.
• Build relationships with stakeholders across business and tech teams.
• Ensure work aligns with architectural principles and governance.

Skills

Maximo MAS expertise

MAS Architecture

OpenShift containerisation

Asset/Work/Inventory/Purchasing mgmt

Maximo Monitor/Health/Predict/Mobile

Maximo Integration Framework (MIF)

REST/SOAP APIs & integrations

Automation scripts (Python/Jython, JS,

YAML & XML

DB2/SQL/Oracle databases

Requirements translation to tech

Support services in asset management

Governance, data quality & stakeholder

Communication & collaboration

Tools

Maximo Application Suite (MAS)

Red Hat OpenShift

Maximo Monitor/Health/Predict/Mobile

MIF (Maximo Integration Framework)

REST & SOAP APIs

Automation scripts (Python/Jython, JavaScript, YAML, XML)

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 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.