Java Developer for Machinery Control Systems

R&P is looking for a motivated individual who wants to join our team supporting the Naval Surface Warfare Center (NSWC) Philadelphia Division in Philadelphia, PA. We are a small-sized defense contractor providing Engineering, Logistics, Program Management and Technical Services to government clients. We are seeking a Software Engineer to support the development, maintenance, and delivery of Machinery Control Systems (MCS) and On-Board Training software for U.S. Navy ships. The selected candidate will be interfacing with U.S. Navy civilian software and systems engineers, support contractors, U.S. Navy ships force, OEMs, and engineering management. The selected candidate will contribute to all aspects of the software life cycle including, but not limited to, requirements definition, software development, documentation, testing, deployment, technical support, and maintenance. This job is for onsite work at the NSWCPD facilities in the Philadelphia Navy Yard. Responsibilities Develop and maintain working knowledge of Machinery Control Systems (MCS) and On-Board Training Software.

• Design, develop, test, install, and maintain MCS and Training software and supporting software products.
• Perform Java code development and Java 8 to 17 migration.
• Work with MATLAB, Simulink, Simulink Coder (Real-Time Workshop), Microsoft Visual Studio, and Git version control.
• Identify and document software and system related problems.
• Resolve software problems through debugging, research, and investigation.
• Provide distance and onsite support of software problems.
• Prepare and maintain new and/or existing software requirements.
• Write, review, and maintain technical documentation such as user manuals, product specifications, and training materials.
• Participate in special projects as required., The work is typically performed at client site locations in an office environment or Control System Test Labs. Additional work may be performed onboard U.S. Navy Ships (pier side and at sea), which requires proper safety precautions and ability to go up and down shipboard stairways (ladders); work may require some physical effort in the handling of light materials, boxes, or equipment. EEO Statement

R&P Technologies provides equal opportunity for all persons and prohibits discrimination in employment because of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability (including pregnancy, childbirth or related medical conditions), veteran or marital status, or any other factor prohibited by law. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave, compensation, and training.

R&P maintains an Affirmative Action Plan to establish fair access to employment opportunities and to create a work community that is an accurate reflection of the qualified workforce. Due to security clearance requirements, U.S. citizenship is required for most positions

Mandatory:

• At least 3 years of Java developer experience.
• Bachelor’s degree in Computer, Electrical or Electronics Engineering, Computer Science.
• CompTIA Security+ certification.
• DoD secret security clearance.
• Ability to work daily in the office onsite at the Philadelphia Naval Yard.

Desired Skills and Experience:

• Experience with Java 17-25 development.
• Experience with Java 8 to Java 17 migration (including records, sealed classes, and enhanced switch).
• Experience maintaining/refactoring large legacy Java codebases (300k+ LOC).
• Knowledge of PLC I/O mapping, ladder logic behaviors, and Allen-Bradley ControlLogix/CompactLogix.
• Familiar with SCADA systems like FactoryTalk View, Ignition, or Wonderware.
• Ability to learn PIMCS framework (Platform Independent Machinery Controls System ecosystem in NSWCPD).
• Experience delivering software under CMMI Level 3+ or equivalent.
• Decipher, read and understand code metrics for test coverage from Sonarqube.
• Fluent and able to navigate in a Linux Operating System.

R&P offers a highly competitive compensation package that includes contributions towards health insurance, 401(k) matching, and other non-salary benefits. Exact salary will be commensurate with experience and qualifications.

R&P Technologies is an equal employment opportunity/affirmative action employer. It does not discriminate on the basis of race, color, national origin, sex, religion, ancestry, age, sexual orientation, marital status, disability, veteran status, citizenship status, or any other protected characteristic. Certain laws and regulations regarding equal employment opportunity, and/or affirmative action require us to compile, maintain, and report certain information on employees. In order to comply with these laws and regulations, we are requesting your cooperation in completing this voluntary EEO Self-Identification Form.