Senior Enterprise Application Modeler/Developer – SP Interfaces

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Custom Software Systems, Inc. (CSS) is seeking a Senior Enterprise Application Modeler/Developer to manage the interface development, unit testing, deployment and integration of technical solutions for an internal system. The Enterprise Application Modeler will  provide data models from business systems planning and data requirements planning. This role is responsible for designing, developing, and supporting application solutions and re-engineered components based on client requirements. The Senior Enterprise Applications Modeler/Developer will provide input for systems development and database administration from a data point of view,  perform business and technical designer functions, including making contributions to business and technical architecture components of the enterprise solution. This role will apply subject matter expertise to identify, develop, and implement techniques to improve engagement productivity, increase efficiencies, mitigate risks, resolve issues, and optimize cost savings.


  • Primary responsibility in technical solution design, development, deployment/cutover, and implementation for the interface aspects of the implementation lifecycle
  • General responsibility in the design, development and delivery of one or more additional PeopleSoft application development components as may be required, including reports, conversions, and implementation of custom solutions
  • Provide hands-on technical solutions to business challenges & translate them into process/technical solutions
  • Interpret requirements, perform highly complex analyses and present options and recommendations to obtain desired results
  • Develop advanced technological ideas and guide development into a final product
  • Demonstrate leadership in the areas of planning, co-ordination and meeting customer expectations
  • Manage the modeling of applications throughout the development lifecycle
  • Ensure all tasks and milestones associated with technical design, configuration and unit testing are completed according to project management guidelines
  • Lead design and development activities within specific application software language
  • Provide daily supervision and direction to the technical staff
  • Responsible for managing client relationships within context of the individual role
  • Ability to meet deadlines and manage multiple, dynamic priorities
  • Effective communication skills and demonstrated experience working in a team-oriented environment


  • 12+ years of overall technical experience in system design, project development and production support of large applications/systems
  • 8+ years PeopleSoft experience with minimum of 4 years interface development experience with PeopleTools 8.49 or above
  • Experience with PeopleSoft HCM 9.x, 9.2 preferred
  • Proven track record of successful implementation of all project life cycle stages from requirements gathering through implementation and enhancements
  • Good working knowledge of one or more PeopleSoft Advanced Tools such as Application Package, Component Interfaces, Integration Broker, SOA, Web Services, Workflow, Object Oriented PeopleCode, etc.
  • Strong knowledge of Oracle databases, UNIX environment, UNIX shell scripts, SQL and PL/SQL, and XML and encryption technologies
  • Well versed in the design, development and implementation of PeopleSoft ERP applications
  • Extensive knowledge of application modeling principles, concepts and techniques
  • Ability to work collaboratively in a team environment with a strong focus on customer service and solution ownership
  • Strong analytical skills and can demonstrate strong problem solving skills
  • Ability to communicate in a clear and concise manner and success working in Integrated Product Teams (IPTs)
  • Ability to obtain Security+ Certification
  • Ability to obtain active Secret clearance


  • Experience with ETL tools such as Ab Initio
  • Experience with PeopleSoft HCM 9.x in HR, Payroll, Benefits, ESS, MSS, Time & Labor preferred
  • Security+ Certification
  • Understanding of application modeling principles, concepts and techniques such as UML class diagrams; understanding of entity relationship diagram standards such as IDEF1x; and understanding of the DOD Architecture Framework (DoDAF)


Bachelor’s degree in Computer Science or Information Systems or other technically relevant degree

Company Background:

Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a  Woman-Owned (WOSB) and HUBZone certified small business. Built on a foundation of trusted client partnerships, CSS has fostered a stakeholder-centric yet disciplined approach to IT solutions development. This ensures our ability to consistently meet or exceed our customers' expectations.


CSS is a very employee oriented company knowing that well trained, professional associates are what make our company great.  We offer a competitive benefits package that includes: paid holidays and paid time off; medical insurance that includes vision; dental insurance; company paid long and short-term disability and life insurance; a Simple IRA plan (similar to 401k); parking and commuter reimbursement. We also work with our employees on training and professional certification plans that benefit the employee, the client and CSS - a win-win-win strategy.

Equal Opportunity Employer:

CSS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. CSS complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

CSS expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of CSS employees to perform their expected job duties is absolutely not tolerated.

Location: Arlington, VA
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