TS/SCI Software Systems Engineer for Space & Defense

FTS International, LLC; Chantilly (VA); On-site; USD 149,000 - 170,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

Life Insurance

Short Term Disability

Long Term Disability

Retirement and Savings

Learning and Development opportunities

Wellness programs

Other optional benefit elections

Job summary

FTS International, LLC is seeking a Software Systems Engineer in Chantilly, VA to support the design, development, integration, test, deployment, and sustainment of software systems for advanced space vehicle programs.

The role requires TS/SCI with polygraph, a BS in an engineering field, and 9+ years in software or systems engineering, with experience across the lifecycle and collaboration across flight software, cybersecurity, and hardware teams.

Qualifications

• TS/SCI with polygraph is required.
• Experience across the systems engineering lifecycle (requirements, design, integration, test, verification, validation).
• Knowledge of Agile, DevSecOps, and traditional waterfall approaches.
• Experience in aerospace/defense/space environments.
• Strong written and verbal communication skills for diverse audiences.
• Ability to work in a multidisciplinary engineering environment.

Responsibilities

• Analyze stakeholder, mission, and system requirements and translate to software/interface requirements.
• Develop and maintain software architecture products and ICDs.
• Support requirements decomposition, allocation, verification, and validation.
• Collaborate with flight/ground software, cybersecurity, and hardware teams for end-to-end integration.
• Participate in design reviews and program milestones (SRR, PDR, CDR, TRR, ORR).
• Maintain requirements traceability across objectives, software specs, and verification activities.
• Support integration, test planning, execution, and anomaly resolution.
• Perform system modeling, performance analysis, and trade studies.
• Coordinate configuration management and release activities.
• Assist in risk mitigation and technical issue resolution.
• Support mission operations and post-launch sustainment as required.
• Ensure compliance with aerospace, cybersecurity, QA, and mission assurance standards.

Skills

TS/SCI with polygraph

BS STEM in engineering

9+ years experience

Systems engineering lifecycle

Agile/DevSecOps/Waterfall

Aerospace/defense/space

Strong communication skills

Multidisciplinary environment

Education

BS STEM in engineering

MS STEM in engineering

Job description

FTS International, LLC is seeking a Software Systems Engineer in Chantilly, VA to support the design, development, integration, test, deployment, and sustainment of software systems for advanced space vehicle programs.

The role requires TS/SCI with polygraph, a BS in an engineering field, and 9+ years in software or systems engineering, with experience across the lifecycle and collaboration across flight software, cybersecurity, and hardware teams.