PLC AND AUTOMATION SOFTWARE DEVELOPER

Marvin Group•Inglewood, CA

1d•Onsite

About The Position

The Marvin Group is a Strategic Partner for Global Alternate Mission Equipment and Sustainment. The Marvin Group, a leading defense contractor, plays a crucial role in the development and manufacturing of various systems for military aerospace and vehicles. Based in Southern California near the Los Angeles International Airport, The Marvin Group consists of Marvin Engineering (MEC), Marvin Test Solutions (MTS) and Marvin Land Systems (MLS). Marvin Engineering designs and produces military Alternate Mission Equipment. Marvin Test Solutions designs and manufactures armament Test Equipment. Marvin Land Systems specializes in the design and build of power and thermal management systems. For over 60 years we have maintained “A Tradition of Excellence”, serving as a trusted source for our unwavering commitment to supporting all branches of the Department of Defense and our global allies. Our collaboration extends across a diverse array of programs and platforms, including major military prime contractors such as Lockheed Martin, Northrop Grumman, and Raytheon. Marvin Group is seeking a PLC and Automation Software Developer to develop, test, release, and commission automation software using Studio 5000 for the planned Compact GuardLogix 5380 platform. The planned architecture applies only to shelter AC/DC PDU panels, remains subject to applicable program review and approval, and does not extend to DC-converter or rack-PDU drawers. The role does not include panel certification or listing, PE licensure, or building-electrical responsible-charge work.

Requirements

Bachelors's degree in Electrical Engineering, Mechatronics, Industrial Automation or a related engineering discipline, with demonstrated knowledge of automation systems and controls.
Minimum 4+ years of demonstrated hands-on capability developing and troubleshooting PLC applications in Studio 5000, including safety logic and Compact GuardLogix-class systems.
Working knowledge of distributed I/O, EtherNet/IP integration, HMI configuration, alarms and diagnostics, industrial communications, and controlled commissioning methods.
Ability to create clear software design notes, interface definitions, test procedures, release records, troubleshooting documentation, and cross-functional handoffs.

Nice To Haves

Experience with automation for manufactured power-distribution equipment, shelter PDU panels, industrial control panels, or comparable factory-built systems.
Experience supporting factory acceptance testing, controlled commissioning, fault isolation, production troubleshooting, and software change or release reviews.

Responsibilities

Develop and maintain Studio 5000 PLC and safety logic for the planned Compact GuardLogix 5380 platform, including operating sequences, permissives, interlocks, modes, and fault handling.
Configure and integrate distributed I/O and EtherNet/IP devices; implement data mapping, alarms, diagnostics, and HMI configuration needed for operator control and troubleshooting.
Maintain the verified boundary for planned shelter AC/DC PDU-panel automation; define interfaces without extending software scope into DC-converter or rack-PDU drawers.
Prepare and execute software simulations, bench tests, and factory acceptance testing; document test procedures, results, defects, resolutions, and release readiness.
Support controlled commissioning and troubleshooting of in-scope automation software with hardware, manufacturing, quality, and field personnel, including safe recovery and issue escalation.
Apply disciplined software version, backup, baseline, change-control, and release practices; maintain source, configuration, device, and revision records for reproducible deployments.