Systems Engineer II: Embedded Defense Systems

Twenty-Six Defense; Merrimack (NH); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

9/80 schedule

401(k) program

Comprehensive medical/dental/vision

Life insurance and AD&D

Job summary

Twenty-Six Defense is seeking a Systems Engineer II to participate in design, development, testing, and analysis of complex systems across the full product lifecycle. The role emphasizes applying engineering principles and collaborating with cross‑functional teams to deliver robust solutions for defense, homeland security, and aviation markets.

The candidate will assist in requirements, architecture, modeling, prototyping, and performance evaluation while interfacing with customers and project

Qualifications

• Bachelor’s degree in Engineering, Computer Science, or related technical field.
• 2+ years of related experience.
• Experience with C/C++ software development.
• Candidate must hold or be able to obtain a SECRET security clearance.
• Experience in embedded, real-time, or hardware-adjacent software environments preferred.
• Experience in defense environments is a plus.

Responsibilities

• Assist system engineers with requirements analysis, systems architecture, and design.
• Support prototyping, data analysis, and performance validation.
• Contribute to system integration, testing, and verification.
• Lead technical contributions and systems engineering activities.
• Coordinate with internal/external project teams and customers.

Skills

C/C++ development

Embedded/RTOS

Security clearance

Communication skills

Customer interaction

Education

Bachelor’s degree in Engineering/CS or related

Tools

Cameo/Doors

Job description

Twenty-Six Defense is seeking a Systems Engineer II to participate in design, development, testing, and analysis of complex systems across the full product lifecycle. The role emphasizes applying engineering principles and collaborating with cross‑functional teams to deliver robust solutions for defense, homeland security, and aviation markets.

The candidate will assist in requirements, architecture, modeling, prototyping, and performance evaluation while interfacing with customers and project