AST SpaceMobile, Inc.

Lead Systems Engineer, Defense Programs

AST SpaceMobile, Inc.$120K — $150K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's in Systems Engineering, Electrical Engineering, Aerospace Engineering, or related field; advanced degree preferred.
  • Minimum of 8 years in systems engineering, with 4 years supporting defense programs.
  • Active Secret clearance required; TS/SCI eligible preferred.
  • Experience with RF systems engineering in defense or aerospace contexts is a plus.
  • Familiarity with systems engineering tools (e.g., JAMA) and RF performance analysis.

Responsibilities

  • Lead systems engineering for defense programs, managing requirements and full lifecycle.
  • Translate defense customer needs into system and subsystem requirements.
  • Oversee requirement flow-down across satellite and communication subsystems.
  • Engage with government customers and technical teams on program alignment.
  • Conduct system-level trade studies and design reviews for defense initiatives.
  • Collaborate with commercial teams to adapt solutions for defense missions.
  • Assist in proposal development and technical documentation.

Benefits

  • Opportunities for professional development and mentorship within the team.
  • Access to cutting-edge technology in commercial space and defense sectors.
  • Collaborative work environment with cross-functional teams.
Full Job Description
Position Overview

We areseeking a Lead Systems Engineer to support AST SpaceMobile's growing defense business, applying our commercial space-based broadband solutions to government and defense missions. Based in Lanham, MD, this role serves as the primary systems engineering interface between our commercial satellite network capabilities and defense customer requirements. The ideal candidate holds an active TS clearance and brings deep experience translating defense mission needs into system-level solutions.

Key Responsibilities:
  • Serve as the lead systems engineer for defense-focused programs, owning requirements definition, architecture, CONOPs defintion, integration, and verification across the full system lifecycle
  • Translate defense customer mission needs and operational concepts into system-level and subsystem requirements with clear traceability
  • Lead requirements flow-down and allocation across satellite, ground, and communications subsystems
  • Interface directly with government customers, program managers, and defense contractors to align technical baselines and manage change
  • Lead system-level trade studies, risk assessments, and design reviews (SRR, PDR, CDR, TRR) for defense programs
  • Coordinate with commercial engineering teams to identify capability gaps and drive adaptations of AST's SpaceMobile network for defense mission requirements
  • Support proposal development, technical volume authoring, and Basis of Estimate (BoE) for new defense business opportunities
  • Maintain system engineering artifacts including ConOps, ICDs, verification plans, and traceability matrices
  • Mentor junior systems engineers on defense programs and champion systems engineering best practices across the team

Qualifications

Education:
  • Bachelor's degree in Systems Engineering, Electrical Engineering, Aerospace Engineering, or a related technical field. Advanced degree preferred.

Experience:
  • A minimum of 8 years of systems engineering experience, with at least 4 years supporting DoD or defense programs.
  • Active Secret (S) security clearance required; TS/SCI eligible preferred.

Preferred Qualifications:
  • Experience with active or passive RF systems engineering in a defense or aerospace context
  • Experience with systems engineering tools for requirements management, modeling, and verification (e.g., JAMA, or equivalent)
  • Familiarity with RF propagation, link budgets, and RF system performance analysis in contested or space-based environments
  • Experience supporting C2, ISR, or PNT mission applications
  • Prior experience at a commercial space company, defense prime, or government lab
  • Active TS/SCI clearance

Soft Skills:
  • Strong interpersonal skills and ability to work effectively with government customers, defense contractors, and internal commercial engineering teams
  • Excellent written and verbal communication skills, including experience briefing senior government or military stakeholders
  • Meticulous attention to detail to ensure accuracy of all technical documentation and program deliverables
  • Strong analytical and problem-solving skills with the ability to manage competing priorities across multiple programs
  • Self-starter with a proactive mindset and the ability to operate with limited supervision

Technology Stack:
  • Requirements management and systems engineering
  • Microsoft Office Suite (Word, Excel, PowerPoint, Project)
  • Systems modeling and analysis tools (MATLAB/Simulink, STK, or equivalent)

Physical Requirements
  • Ability to work in a standard office environment and use a computer for extended periods
  • Ability to travel up to 25% to customer sites, government facilities, and other AST SpaceMobile locations as needed
  • May require occasional work in a laboratory or satellite operations environment

Additional Requirement
This position requires an active U.S. government security clearance, or the ability to obtain one. U.S. citizenship is required.

This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands.

About AST SpaceMobile, Inc.

AST SpaceMobile, Inc. is a telecommunications company that is developing a space-based cellular broadband network. The company's network will provide mobile connectivity to remote and underserved areas around the world. AST SpaceMobile, Inc. was founded in 2017 and is headquartered in New York, New York.
Learn more about AST SpaceMobile, Inc.
Size
50 employees
Market Cap
$696.8 million
Industry
NASDAQ

Similar Jobs

More Jobs at AST SpaceMobile, Inc.

More Aerospace & Defense Jobs

Find similar Lead Systems Engineer, Defense Programs jobs: