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JSE Lead API Developer

Job in Seaford, Sussex County, Delaware, 19973, USA
Listing for: FlightSafety International
Full Time position
Listed on 2026-09-02
Job specializations:
  • Engineering
    Systems Engineer, Software Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

Compensation for the role will depend on a number of factors, including a candidate's qualifications, education, skills, and experience as well as market demands. These factors impact the salary/wage offered.

Benefits

Flight Safety offers a competitive total rewards package, which includes vacation, sick leave, a 401k match, healthcare coverage and a broad range of other benefits.

About Flight Safety International

Flight Safety International is the world’s premier professional aviation training company and supplier of flight simulators, visual systems and displays to commercial, government and military organizations. The company provides training for pilots, technicians and other aviation professionals from 167 countries and independent territories. Flight Safety operates the world’s largest fleet of advanced full-flight simulators and award-winning maintenance training at Learning Centers and training locations in the United States, Canada, France and the United Kingdom.

Position Overview

Flight Safety Defense Corporation is gearing to become a recognized integration partner and solution provider for the U.S. Air Force and U.S. Navy in the Joint Simulation Environment (JSE) and Simulator Common Architecture Requirements and Standards (SCARS) ecosystem. The JSE Lead API Developer is a key hands-on contributor within the JSE/SCARS line of efforts, working under the guidance of the JSE Architect and Project Lead to implement, test, and verify JSE/SCARS-compliant software and interfaces across Flight Safety's Weapon System Trainer (WST) and Training Systems portfolio.

This role is well suited for a developer with a solid foundation in simulation software development who is ready to deepen their expertise in government simulation standards and distributed synthetic environments.

Key Responsibilities

The JSE Lead API Developer integrates software/simulation components that connect Flight Safety training devices to the JSE via the Global Reusable Interface Domain (GRID) network protocol. This includes implementing message production and consumption logic using the Government Simulation Interface (GSI) Software Development Kit (SDK), and verifying correct integration against the GSI Interface Control Document (ICD). The developer executes the GSI test harness suite of service active tests and supports Wireshark packet capture (.pcap)

file parsing to validate data flow between the simulator and GRID services.

The developer supports SCARS compliance activities, including applying On Premise Equipment (OPE) integration standards under the SCARS Architecture Standard, Increment 5, and contributing to verification activities for common aerodynamic models (Equations of Motion, Forces and Moments, and Mass Properties). The developer participates in Requirements Verification Report (RVR) activities and maintains traceability between implementation work and Interface Control Documents (ICDs) and Interface Design Documents (IDDs).

The JSE Lead API Developer contributes to the implementation and operation of the internal JSE/SCARS integration lab — both virtual and classified, as required — and supports Dev Sec Ops  pipeline activities for JSE/SCARS-related software deliverables, including version control, automated testing, and documentation in compliance with the SCARS Dev Sec Ops  Process Standard. The developer also supports the application of cybersecurity controls in accordance with the SCARS Common Security Controls Standard and coordinates with the cybersecurity team on Risk Management Framework (RMF) compliance activities.

The developer works closely with the JSE/SCARS architects to interpret SCARS and JSE documentation, implement design patterns, and document integration results.

Travel to government test events is anticipated throughout the year.

Required Qualifications
  • Bachelor's degree in computer science, systems engineering, electrical engineering, aerospace engineering, or a closely related technical discipline. Masters preferred.
  • 4 to 8 years of experience in simulation software development, system integration, or distributed systems engineering, preferably in a DoD training or defense context
  • Proficien…
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