# Software Integration and Simulation Engineer - Millennium Space Systems at Boeing

AI Level 1, AI centrality 32 out of 100. USA - El Segundo, CA.

## Details

- Company: [Boeing](https://jobsbylevel.com/companies/boeing)
- AI level: AI Level 1 (score 32 out of 100)
- Location: USA - El Segundo, CA
- Salary: $124k-$183k
- Posted: October 7, 2026
- Apply: https://jobsbylevel.com/go/96ba37e3-44f3-4676-ba92-4b672d0fb2f5

## Description

Software Integration and Simulation Engineer - Millennium Space Systems Company: Millennium Space Systems Millennium Space Systems, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Our team is curious, bold and innovative. We take risks, innovate and explore new techniques and technologies. We influence change because we challenge the status quo. And when we watch our satellites launch, we know each one of us made it happen. Job Summary As a Software Integration and Simulation Lead, you will have technical ownership over all software and simulation platforms for one of Millennium's flight programs. You will drive technical execution to ensure that software at the system level is integrated and qualified for flight. System level software includes (but is not limited to) bus/payload flight software, ground software, vendor-provided software, Guidance, Navigation, and Controls (GNC), Autonomy, and mission operations products. The position will require direct hands on technical work (e.g. designing test platforms and test case execution), as well as oversight of software development and test across the program. The Software Integration and Simulation Lead will partner with Systems and Mission Engineering to decompose requirements and Design Reference Missions (DRM) into test plans/procedures, and in parallel lead the development of simulation platforms on which these procedures are run to verify/qualify the system software. You will work closely with chief engineers and program management to ensure solutions meet needs at the program and mission level. Position Responsibilities: Technical ownership of software integration and simulation environments across the program. Primary technical POC for HIL-related functionality/inquiries. Decompose requirements and Design Reference Missions (DRM) into a detailed test plan and associated test procedures. Develop and release software Verification Cross Reference Matrix (VCRM). Drive execution of software testing, including actively participating in test case design, development, execution, data post-processing, and sell-off of software/mission requirements Ensure simulation platforms have the necessary capability/fidelity to support testing by either enhancing existing platforms or tracking risk Identify risks (e.g. where test environments lack fidelity) and drive mitigation plans to enable technical progress and program execution Make technical decisions to drive HIL and software related Discrepancy Reports (DRs) to closure Lead initiatives to shape the Software Integration and Simulation role for all programs/portfolios Other duties as assigned This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. Security Clearance and Export Control Requirements This position must meet Export Control compliance requirements, therefore a “US Person” as defined by 22 C.F.R. § 120.15 is required. “US Person” includes US Citizen, lawful permanent resident, refugee, or asylee. Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement 5+ years of industry experience Direct experience with system-level satellite software integration and test (3 or more years) Experience in development and test of simulation platforms (hardware-in-the-loop (HIL), software-in-the-loop (SIL), emulators, etc.) (3 or more years) Experience with Autonomy, GNC, Mission Analysis, Mission Operations, Satellite Flight Software, and/or Ground Software (1 or more years) Experience leading engineering development teams and personnel (1 or more years)

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Source: https://jobsbylevel.com/jobs/software-integration-and-simulation-engineer-millennium-space-systems-at-boeing-218298

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