Software Systems Engineer

Job ID: 2613756

Location: Chantilly, VA, US

Date Posted: 2026-06-16

Category: Engineering and Sciences

Subcategory: Systems Engineer

Schedule: Full-Time

Shift: Day Job

Travel: Yes - 25% of the time

Minimum Clearance Required: TS.SCI_wPoly

Clearance Level Must Be Able to Obtain: None

Potential for Remote Work: ORA_ON_SITE

Description

SAIC is looking for a Software Systems Engineer with Space Domain Operations experience in Chantilly, VA to support a very dynamic and innovative space program office in Chantilly, VA. The Software Systems Engineer supports the design, development, integration, test, deployment, and sustainment of software systems for advanced space vehicle programs. This position serves as a key technical contributor across the system lifecycle, ensuring software solutions meet mission requirements, interface seamlessly with flight and ground systems, and comply with programmatic, security, safety, and quality standards.
The Software Systems Engineer collaborates with software developers, systems engineers, mission operations personnel, cybersecurity specialists, and program leadership to deliver reliable, mission-critical capabilities that support spacecraft operations and mission success.

Key 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.

Qualifications

Required:

Bachelor's degree in Systems Engineering, Software Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, or related technical 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.
Active TS/SCI security clearance required; CI Polygraph. U.S. Citizenship required.
U.S. Citizenship required

Desired:

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.

Target salary range: $160,001 - $200,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.


SAIC is a premier technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets. SAIC is Redefining Ingenuity through its deep customer and domain knowledge to enable the delivery of systems engineering and integration offerings for large, complex projects. SAIC's approximately 15,000 employees are driven by integrity and mission focus to serve customers in the U.S. federal government. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $4.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see .