Senior System Engineer

Quadrant, Inc.; Chantilly (VA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Healthcare benefits

Job summary

Quadrant, Inc. is looking for a Senior System Engineer in Chantilly, VA. The role requires an experienced engineer with a minimum of 10 years in aerospace, space systems, or defense programs and an active TS clearance. Responsibilities include providing SETA support to a government program office and conducting technical assessments of contractor designs.

Applicants should have a Bachelor’s degree in aerospace engineering or a related field and possess strong communication skills. Quadrant is an equal opportunity employer offering healthcare benefits.

Qualifications

• Active TS clearance or higher required.
• 10+ years of experience in aerospace or defense programs.
• Bachelor's degree in aerospace engineering or a related technical field.

Responsibilities

• Provide SETA support to a government program office.
• Conduct independent technical assessments of contractor designs.
• Support systems engineering lifecycle activities.
• Analyze and validate end-to-end mission performance.
• Develop and deliver briefings for senior stakeholders.

Skills

Active TS clearance

10+ years in aerospace or defense programs

Strong written and verbal communication skills

Payload knowledge/experience

Experience briefing senior leadership

Education

Bachelor's degree in Aerospace Engineering or related field

Tools

Model-Based Systems Engineering (MBSE)

SysML tools (e.g., Cameo/MagicDraw)

Tableau

Confluence

Job description

Senior System Engineer

Chantilly, VA

Requirements

• Experienced Senior System Engineer
• Active TS clearance or higher required with ability to obtain CI POLY
• 10+ years of experience in aerospace, space systems, or defense programs
• Demonstrated experience across the full system lifecycle (requirements, design, integration, test, and operations)
• Must have payload knowledge/experience
• Strong background in space-based ISR systems, radar systems, or RF payloads
• Strong written and verbal communication skills, including experience briefing senior leadership
• Bachelor's degree in aerospace engineering, Electrical Engineering, Physics, or related technical field required

Preferred Technical Experience

• Radar system design or radar signal processing
• RF payload development and production testing
• Performance modeling and estimation (e.g., detection, tracking, coverage)
• Mission data processing or ground system architectures
• Experience with Model-Based Systems Engineering (MBSE) and SysML tools (e.g., Cameo/MagicDraw)
• Ability to assess contractor technical performance and provide independent recommendations

Duties

• Senior and Subject Matter Expert Engineers to provide SETA (Systems Engineering & Technical Assistance) support to a government program office responsible for the development and deployment of a space-based Air Moving Target Indicator (AMTI) system.
• Provide independent technical assessment of contractor designs, architectures, and performance
• Support systems engineering lifecycle activities, including requirements development, design reviews, integration, test, and verification
• Evaluate radar payload performance, modeling, and system‑level trade studies
• Assess RF hardware development and production testing
• Support Model-Based Systems Engineering (MBSE) and digital engineering efforts, including system performance modeling and multi-sensor integration
• Analyze and validate end‑to‑end mission performance (sensor, ground, processing, dissemination)
• Participate in and support major program design reviews
• Provide technical risk identification and mitigation recommendations to government leadership
• Develop and deliver briefings and decision support materials for senior stakeholders
• Collaborate with government and contractor teams using tools such as Cameo, Tableau, and Confluence

Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act.