Senior Maximo (MAS) Developer
Oso Semiconductor
Software Engineering
Arlington, VA, USA
Posted on Apr 25, 2026
Position Summary
Segue Technologies seeks a Senior Maximo (MAS) Developer to provide deliverable-focused development, maintenance, and sustainment support for IBM Maximo Application Suite (MAS), MIF interfaces and related enterprise applications. The software engineer will play a key role in supporting ongoing application development, maintenance, and support tasks. This is a full-time remote position; occasional travel may be required (<10%).
Job Duties And Responsibilities
Segue Technologies is a wholly owned subsidiary of Tetra Tech, Inc. Segue is based out of Arlington, VA, with a presence in over 14 states and DC. We support Federal and DoD organizations to develop and enhance mission-critical business systems. We provide custom software applications, solve data management problems, and support the evolution of the mobile workforce.
Segue Technologies, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. Please visit our website, www.seguetech.com/careers , to submit an application.
Additional Information
Segue Technologies seeks a Senior Maximo (MAS) Developer to provide deliverable-focused development, maintenance, and sustainment support for IBM Maximo Application Suite (MAS), MIF interfaces and related enterprise applications. The software engineer will play a key role in supporting ongoing application development, maintenance, and support tasks. This is a full-time remote position; occasional travel may be required (<10%).
Job Duties And Responsibilities
- Work independently and as part of a team to analyze issues, requirements, changing/evolving business needs, and translate these into processes and/or software development tasks.
- Perform Maximo version upgrades, including upgrade to MAS 9.x from Maximo 7.6.1.x, evaluate and implement new features in Maximo, such as building interfaces.
- Provide development support for MAS and integrations with external applications/systems, including other technologies involved in the technology stack.
- Develop new Maximo Applications or modify current Maximo applications to fit business needs.
- Develop and enhance custom reports using Business Intelligence and Reporting Tools (BIRT).
- Prepare, review, and update SDLC document.
- Provide input and review MAS training material.
- Perform additional tasks as required and meet established deadlines.
- Bachelor’s Degree or equivalent and 8+ years of related experience.
- Mastery and demonstrated experience of MAS 9.x, RedHat OpenShift (RHOS), db2, MongoDB, Docker, Kubernetes and MAS 9.x related technologies.
- Proficiency in setting up single and multi-node RHOS clusters.
- Extensive MAS migration experience using CLI and GUI – on Azure, AWS, and on-prem.
- Proficiency in migrating customizations and Maximo 7.6.1.x SQL Server Database to MAS.
- Development and maintenance experience with MAS, TRM rules manager, Maximo automation scripting, MIF, and BIRT.
- Experience with MAS development using Java, Python, JavaScript, Jython programming, and Maximo implementations.
- Strong knowledge and experience with configuration, customization, and development of the Maximo MBO framework and MIF.
- Experience in integrating MAS with various external systems, including SAP, and custom Web Application using various protocols, including SOAP/REST web services, HTTP POST, EJB, exchange of XML/Flat files, interface tables, etc.
- Experience with MAS installation, configuration, load balancing, SSL/TLS configuration, proxy setup, horizontal/vertical cluster, etc.
- Experience with Performance tuning, implementing IBM best practices, troubleshooting, and load testing.
- Experience in Security Technical Implementation Guides (STIGs) for MAS and RHOS.
- Must hold or be able to pass a Federal Background investigation to obtain a T1 (also known as Public Trust or NACI).
- IBM Certified Maximo Manage v9.0 Functional Deployment – Professional.
- Experience with JavaScript libraries, Node.JS.
- Web Development: Java EE, JSP, Servlet, JavaScript, HTML, PHP, ASP, AJAX, XML.
- Programming Tools: Eclipse, NetBeans, GIT, Source Tree, SVN, IBM Rational ClearCase.
- Experience with testing Tools such as Selenium.
- Knowledge of the Bureau of Indian Affairs FMS system and related applications.
Segue Technologies is a wholly owned subsidiary of Tetra Tech, Inc. Segue is based out of Arlington, VA, with a presence in over 14 states and DC. We support Federal and DoD organizations to develop and enhance mission-critical business systems. We provide custom software applications, solve data management problems, and support the evolution of the mobile workforce.
Segue Technologies, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. Please visit our website, www.seguetech.com/careers , to submit an application.
Additional Information
- Organization: 132 SEG


