Systems Engineer

Stellar Solutions; Chantilly (VA); On-site; USD 120,000 - 160,000; Full time

Job summary

Stellar Solutions, Inc. seeks a Systems Engineer to support government and commercial customers with SE/MBSE expertise. The role focuses on integrating mission systems, delivering digital engineering artifacts, and advancing risk reduction through modeling and simulations.

The ideal candidate has a strong SE background, SB/SC lifecycle knowledge, MBSE experience, and familiarity with Agile/DevSecOps and cloud technologies. Ability to operate on-site in Chantilly, VA is required.

Qualifications

• US Citizenship status is not specified in the ad.
• Bachelor's degree in science, technology, engineering, or mathematics (STEM) with nine+ years experience; Master’s in STEM with seven+ years is preferred.
• Knowledge of space and ground domain mission and technical capabilities.
• Experience in systems engineering life cycle from concept to decommissioning.
• Experience in requirements definition, architectures, interfaces, validation and verification.
• Polished communicator and collaborative, able to coordinate across levels of government.
• Self-starter with ability to define solutions for broad topics.
• Familiar with MBSE, digital engineering, Agile/DevSecOps, cloud technologies.

Responsibilities

• Advise and assist government with planning, engineering, integration, and O&M of mission systems.
• Analyze and document site system architecture and impacts of updates/deliveries.
• Collaborate with HQ, site organizations, and mission partners on requirements, costs, schedule, and technical risks.
• Document, develop and deliver analyses, recommendations, plans, and briefings to the Government.
• Develop and maintain MBSE models of mission systems and integrate MBSE tools into a digital thread.
• Leverage digital twin technologies and modeling/simulation to support risk reduction, rehearsal, and verification.
• Support development and integration of automated test solutions and continuous improvement in software design and architecture.

Education

Bachelor's degree in STEM

Nine+ years experience

Tools

JIRA

Confluence

Sparx Enterprise Architect

Capella

Job description

Overview

Stellar Solutions, Inc. is a nationally recognized Great Place To Work and a leading provider of integrated systems engineering and technical expertise to government and commercial customers. Our mission is to deliver high‑impact, meaningful, and rewarding work that solves our customers' critical needs.

At Stellar Solutions, we offer talented, energetic, and immediately productive resources to satisfy our customers' critical needs in systems engineering and integration, mission operations, program management, and strategic planning. We are a leading service and expertise provider for high‑tech commercial ventures, spanning communications, earth observation and remote sensing systems and data products, to the infrastructures that support earth‑orbiting and beyond‑earth‑orbit businesses.

Stellar Solutions is seeking a Systems Engineer to work on complex projects crucial to our national security objectives.

Role / Responsibilities / Qualifications

In this role, you will provide Systems Engineering and Technical Advisory (SETA) services to assist the government in implementing and executing systems engineering processes to integrate mission systems into the operational baseline at a customer facility in Chantilly, VA.

Primary Responsibilities:

• Advise and assist the government with the planning, engineering, integration, and O&M activities of mission systems.
• Analyze and document site system architecture and impacts associated with system updates/deliveries.
• Collaborate with Headquarters Directorates, site organizations, and mission partners to ensure understanding of project requirements and risks (cost, schedule, technical).
• Document, develop and deliver analysis, recommendations, plans, reports/briefings to the Government.
• Develop and maintain Model-Based Systems Engineering (MBSE) models of mission systems, integrating MBSE tools into a digital thread to connect siloed information systems.
• Leverage digital twin technologies and modeling and simulation tools to support early‑stage risk reduction, operational rehearsal, and system performance verification.
• Support the development and integration of automated test solutions and continuous improvement in software design and architecture.

Required:

• US Citizenship.
• Active TS/SCI with current polygraph.
• Bachelor's degree in science, technology, engineering, or mathematics (STEM) and nine (9) years or more relevant experience; Master’s in STEM field and seven (7) year or more experience. STEM is a contractual requirement.
• Knowledge of customer's space and ground domain mission and technical capabilities.
• Systems engineering background; understanding of systems development life cycle from concept, requirements, engineering design, integration and test, deployment, maintenance, through decommissioning.
• Experience in requirements definition, system architectures, systems analysis and design, interface and data architectures, validation, and verification.
• Polished communicator and proven collaborator; demonstrated ability to coordinate across all levels of government to ensure contracts effectively deliver required services and capabilities.
• Self‑starter, able to proactively address customer requirements with no supervision; expert at defining solutions for broad, abstract topics.
• Familiar with model-based systems engineering and digital engineering concepts and tools; Agile/DevSecOps development methodology, cloud technologies.

Desired:

• Experience in initiating, planning, executing, monitoring, and controlling DoD or Intelligence Community projects or Programs.
• Experience in architecture management, baseline audit, and verification.
• Familiar with JIRA, Confluence.
• Proficiency in using modeling tools and software (e.g., Sparx Enterprise Architect, or Capella).
• Familiarity with modeling languages such as SysML or UAFML.
• Experience with cloud-based technologies and automation to optimize platform performance and reliability.

The typical pay range for this position is USD $120,000 - $160,000 per year. Individual pay is determined by many factors including work location, job‑related skills, experience, and relevant education or training. This position is also eligible for a discretionary annual performance bonus, retirement plan and other benefits (all included as part of package).

Deliverables

Ensure mission systems are successfully integrated into the operational baseline by delivering systems engineering expertise, digital engineering artifacts, technical assessments, and integration recommendations that reduce risk and support mission success.