Software Systems Engineer with Security Clearance

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

Software Systems Engineer Location

Chantilly, VA Job Code

1603 # of Openings

1 Employee Referral Bonus Eligible

Yes FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide Subject Matter Experts (SME) free of Organizational Conflicts of Interest (OCI) focused on independent analysis and mission support services within the disciplines of Engineering, Counter Terrorism Operations, Management, Information Technology, Signals Analysis, Administration, Cyber Security and Linguistics. FTS has an opportunity for a Software Systems Engineer in Chantilly, VA. The Software Systems Engineer will support the design, development, integration, test, deployment, and sustainment of software systems for advanced space vehicle programs.

Responsibilities

• Analyze stakeholder, mission, and system requirements and translate them into software and interface requirements
• Develop and maintain software architecture products, interface control documents (ICDs), and system engineering artifacts
• Support software requirements decomposition, allocation, verification, and validation activities throughout the development lifecycle
• Collaborate with flight software, ground software, cybersecurity, and hardware engineering teams to ensure end-to-end system integration
• Participate in system design reviews, software technical reviews, and program milestone events including SRR, PDR, CDR, TRR, and ORR
• Develop and maintain requirements traceability between mission objectives, system requirements, software specifications, and verification activities
• Support software integration, test planning, execution, anomaly resolution, and operational readiness activities
• Perform system modeling, performance analysis, and trade studies to evaluate technical solutions and support engineering decisions
• Coordinate software configuration management, change control, and release activities
• Assist in risk identification, mitigation planning, and technical issue resolution
• Support mission operations, anomaly investigations, software upgrades, and post-launch sustainment activities as required
• Ensure compliance with applicable aerospace, cybersecurity, quality assurance, and mission assurance standards

Required Skills/Qualifications

• TS/SCI with polygraph
• BS STEM (Science, Technology, Engineering, or Math) in engineering discipline
• 9+ years of experience supporting software engineering, systems engineering, or software integration activities
• Experience with the systems engineering lifecycle, including requirements development, design, integration, test, verification, and validation
• Knowledge of software development methodologies including Agile, DevSecOps, and traditional waterfall approaches
• Experience supporting complex integrated systems in aerospace, defense, intelligence, or space environments
• Strong written and verbal communication skills with the ability to present technical information to diverse audiences
• Ability to work effectively in a multidisciplinary engineering environment

Desired Skills/Qualifications

• MS STEM (Science, Technology, Engineering, or Math) in engineering discipline
• Experience supporting spacecraft, satellite, launch vehicle, or ground control systems
• Knowledge of flight software architectures and command-and-control systems
• Experience with model-based systems engineering (MBSE) and SysML
• Familiarity with space communication protocols, telemetry, tracking, and command (TT&C) systems
• Experience with software integration laboratories, hardware-in-the-loop testing, and mission simulations
• Understanding of cybersecurity requirements for space systems
• Familiarity with digital engineering principles and modern software factory environments

Expected Salary Range

$149,000 - $170,000 per year. Placement within the range is determined by qualifications, job-related criteria, experience, internal equity and market considerations.

Benefits

• Health Insurance
• Paid Time Off
• Life Insurance
• Short Term and Long-Term Disability
• Retirement and Savings
• Learning and Development opportunities
• wellness programs
• other optional benefit elections

FTS International, LLC is an Equal Opportunity Employer – vets/disabled.