Senior Space Systems Modeling & Simulation Engineer

FTS International, LLC; Chantilly (VA); On-site; USD 162,000 - 197,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

Life Insurance

Short Term Disability

Long-Term Disability

Retirement Plan

Learning and Development

Wellness Programs

Job summary

FTS International, LLC in Chantilly, VA is seeking a Modeling, Simulation & Analysis Engineer to lead complex analytic studies shaping system designs and risk-informed decisions in the space domain. The role requires expertise in Mod/Sim, orbital mechanics, and MS&A documentation for senior audiences.

You will mentor analysts, integrate MBSE workflows, and collaborate with government and contractor leadership to define capability roadmaps and follow-on studies.

Qualifications

• TS/SCI with polygraph is required.
• B.S. STEM in engineering discipline is required.
• 10+ years of relevant analysis/modelling experience in space systems, aerospace, defense, or telecom engineering.
• Proven experience leading analytic studies and presenting findings to senior technical and government stakeholders.
• Ability to guide analytic strategy and work independently with limited oversight.

Responsibilities

• Lead advanced orbital mechanics modeling & simulation efforts for end-to-end space systems including space, ground, and cloud-based mission segments.
• Design, execute, and review modeling and simulation studies for constellation design, orbital maneuvers, orbit determination, and payload optimization.
• Lead performance analysis including link budgets, throughput, coverage, latency, routing, and system availability assessments for space architectures.
• Evaluate satellite payload sensor phenomenology and assess resulting mission product quality.
• Define Technical Performance Measures to drive capability decisions and system integration.
• Produce and review MS&A documentation including study plans, assumptions, results, and briefing products for senior audiences.
• Serve as a technical advisor to government and contractor leadership, shaping roadmaps for analytic planning.
• Mentor junior analysts and improve analytic methodologies and digital engineering integration.

Skills

TS/SCI with polygraph

B.S. STEM

10+ years experience

Space systems analysis

Executive briefing

Education

B.S. in Engineering

Tools

Tableau

Job description

FTS International, LLC in Chantilly, VA is seeking a Modeling, Simulation & Analysis Engineer to lead complex analytic studies shaping system designs and risk-informed decisions in the space domain. The role requires expertise in Mod/Sim, orbital mechanics, and MS&A documentation for senior audiences.

You will mentor analysts, integrate MBSE workflows, and collaborate with government and contractor leadership to define capability roadmaps and follow-on studies.