Systems Engineer – Defense & Space (MBSE)

AST & Science LLC; Lanham (MD); Hybrid; USD 110,000 - 165,000; Full time

Job summary

AST SpaceMobile seeks a Systems Engineer to drive development and implementation of advanced communications for government and defense programs. You will lead requirements, architecture, integration, verification, validation, and technical planning across the full lifecycle.

The ideal candidate has 5+ years in aerospace/defense/space, strong MBSE and requirements-management experience, and eligibility for a government security clearance.

Qualifications

• 5+ years of systems engineering experience within aerospace, defense, telecommunications, space, or other complex technical environments.
• Experience with requirements management and system integration across full program lifecycles.
• Eligibility to obtain and maintain a government security clearance.

Responsibilities

• Support the development and maintenance of system-level budgets and performance metrics.
• Define, analyze, and maintain system and subsystem requirements with full traceability.
• Conduct requirements allocation, verification planning, and validation activities.
• Develop and maintain CONOPS, interface docs, verification plans, and traceability matrices.
• Perform trade studies, system analyses, and risk assessments to support design decisions.
• Collaborate with hardware, software, and subsystem teams for technical alignment.
• Contribute to system-level design reviews and technical presentations with documentation.
• Coordinate with leads and stakeholders to consolidate engineering data.
• Support vendor requirements definition, technical evaluations, and qualification activities.
• Interface with customers and program leadership to support planning and execution.
• Contribute to proposals and solution planning for new business opportunities.
• Support architecture definition, system integration, testing, deployment, and sustainment.

Skills

Interpersonal communication

Cross-functional collaboration

Verbal and written communication

Structured problem-solving

Time management

Education

Bachelor's degree in Systems Engineering

Bachelor's degree in Electrical/Aerospace/Computer Engineering

Advanced degree preferred

Tools

Jama

DOORS

SysML modeling tools

Job description

AST SpaceMobile seeks a Systems Engineer to drive development and implementation of advanced communications for government and defense programs. You will lead requirements, architecture, integration, verification, validation, and technical planning across the full lifecycle.

The ideal candidate has 5+ years in aerospace/defense/space, strong MBSE and requirements-management experience, and eligibility for a government security clearance.