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# Systems Engineer - Senior/SME

- **Company:** Systems, Inc
- **Location:** El Segundo, CA, United States
- **Experience:** Expert
- **Salary:** $180,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Systems Analysis, Internet Security, Python (Programming Language), MATLAB, Systems Modeling Language, Systems Architecture, Systems Integration, Modeling and Simulation
- **Published:** November 4, 2026
- **Apply:** https://www.careerbuilder.com/job-details/systems-engineer-senior-sme-el-segundo-ca--f17e6ae1-f325-4799-ae3e-1faa070ea78b

## About the Role

Systems Engineering, Team Player, Government, Systems Analysis, Systems Engineering, Internet Security, Professional Services, Technical Support, Intelligence Community, Enterprise Architecture, About the Must Haves

 * US Citizenship with active Secret or TS/SCI (dependent on program) at time of application
 * Bachelor's degree in engineering or related field
 * 10+ years of systems engineering experience
 * Proficiency with modeling and simulation environments (e.g., MATLAB, STK, Python, SysML tools)
 * Demonstrated ability to develop requirements, conduct analyses, and support system integration
 * Strong communication and collaboration skills across engineering teams
 * Ability to report to designated work location in El Segundo, up to full time, based on the needs of the customer

About the Desired

 * INCOSE ASEP, CSEP, or equivalent engineering certifications
 * Experience with digital engineering, MBSE, or enterprise modeling tools
 * Experience in defense, space, or mission system environments
 * Familiarity with acquisition engineering documentation and technical reviews
 * Experience leading technical workstreams or trade studies

## Description

The Journeyman Systems Engineer leads technical tasks within a project or subsystem and contributes independently to system modeling, analysis, design, and integration. Responsibilities include developing and running simulations, performing subsystem-level technical analyses, defining requirements, and supporting cross-functional engineering teams. The role requires working autonomously on assigned engineering tasks while ensuring alignment with system architecture and program objectives., * Creating and executing modeling, simulation, and analysis activities to evaluate system performance.

 * Developing system and subsystem requirements, interfaces, and technical specifications.
 * Conducting engineering trade studies to inform design decisions.
 * Supporting system architecture development and model-based systems engineering (MBSE) products.
 * Preparing detailed technical documentation, briefings, and analysis results.
 * Leading subsystem-level integration and coordinating across technical disciplines.
 * Supporting test planning, V&V, and performance evaluation using analytical and simulation tools.
 * Identifying technical risks, gaps, and dependencies in system designs.
 * Improving and maintaining engineering models, baselines, and processes.
 * Mentoring junior engineers on modeling and analysis tools.