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Salary
≈ $88k – $165k per year (Estimated)
Location
In office (Fort Worth)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Sep 18, 2026. Twenty-Six Defense scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Twenty-Six Defense is a US defense technology company headquartered in Fort Worth, Texas, supplying night vision, airborne systems, effectors and seekers, maritime, border protection and sustainment solutions to the US armed forces. Formerly known as Elbit Systems of America, it builds products such as the ENVG-B enhanced night vision goggle and operates manufacturing and engineering sites in Roanoke, Talladega, Merrimack, Charleston, Boca Raton and Tucson. It hires assemblers, quality inspectors, manufacturing, electrical and supplier quality engineers, engineering technicians, contracts administrators and accounting specialists.

Job Summary: The Senior System Engineer, supporting our CTSE program, is responsible for supporting the development, analysis, and integration of linear, non-linear, and digital control systems by collaborating closely with customers to understand technical requirements and mission needs. The position works across design and development domains to create, review, and document system-level operational concepts, ensuring seamless platform integration and rigorous verification and validation of complex system designs against functional specifications. Additional responsibilities include contributing to proposal development through technical writing, cost estimating, and presentations, as well as producing high-quality technical documentation, specifications, and standards. The role requires strong communication skills, the ability to work both independently and with internal and external stakeholders, and a willingness to travel domestically and internationally approximately 10–15% of the time.

Responsibilities and Tasks:

Attend customer meetings for the purpose of understanding their requirements related to linear and non-linear control systems including digital controls

Work with the design and development domain control systems

Review, develop and document system level operational concepts and mission statements

Understand platform integration requirements at the platform level

Verification and validation of highly complex system designs to ensure conformance with functional specifications and customer requirements

Support proposal development activities, including proposal text development, cost estimating and presentation activities

Produce and/or review technical documents, specifications and standards

Ability to effectively document and communicate designs, results, reports, status and presentations

Work independently and with internal/external organizations

Education, Experience, License, or Certification:

Bachelor of Science in Electrical Engineering, Mechanical Engineering, Aeronautical Engineering or other relevant degree

5+ years of experience in Servo Control, Motion Control, or Navigation.

Proven experience in classical linear and non-linear control including digital control preferred

Skills and Abilities:

Knowledge of approximation and Kalman filters

Knowledge of inertial sensors

Working knowledge of C language and MATLAB is a must.

Experience with design and development in time and frequency domain control systems

Ability in development of models and simulations of dynamic systems in Simulink

Travel/Physical Requirements:

Willingness to travel domestically and internationally 10-15% travel will be required for the position.

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