Model Based Systems Engineer

SAIC; San Diego (CA); On-site; USD 100,000 - 140,000; Full time

Job summary

SAIC seeks an experienced MBSE Engineer in San Diego, CA to support United States Air Force programs on-site. You will apply systems engineering methods across the full lifecycle, building architecture models with SysML, UPDM, and DoDAF, and lead requirements decomposition.

Collaborate with software, hardware, and test teams; perform trade studies and risk analyses; ensure traceability and interfaces, prepare technical docs, and present briefings to stakeholders. TS/SCI eligibility is desired.

Qualifications

• Active SECRET clearance with ability to obtain TS/SCI.
• Bachelor of Science in Systems Engineering, Electrical Engineering, Aerospace Engineering, or Computer Science.
• 5+ years of progressive systems engineering experience on complex programs.
• MBSE expertise with SysML, UPDM, or DoDAF.
• Familiarity with DoDAF/UPDM/UAF architecture frameworks.
• Experience with requirements management tools such as DOORS or JAMA.
• INCOSE certification (e.g., CSEP, ASEP) desirable.

Responsibilities

• Apply systems engineering principles across the full lifecycle from concept to disposal.
• Develop and maintain system architecture models using MBSE tools and methodologies (e.g., SysML, UPDM, DoDAF).
• Lead the definition, decomposition, and management of system requirements with traceability to objectives.
• Conduct trade studies, analyses of alternatives, and risk assessments.
• Define and manage system interfaces for interoperability between components.
• Collaborate with software, hardware, and test engineers for cohesive design.
• Support system integration, verification, and validation activities.
• Prepare technical docs, system models, and stakeholder briefings.
• Work with program management to meet schedule and budget.
• Identify opportunities for process improvements in SE.

Skills

MBSE proficiency

Requirements analysis

Technical communication

Analytical thinking

Education

Bachelor of Science in Systems Engineering

Tools

Cameo Systems Modeler

Sparx EA

Rhapsody

DOORS

JAMA

Job description

Job ID

2618122

Location

San Diego, CA, US

Date Posted

2026-10-19

Category

Engineering and Sciences

Subcategory

Mod/Sim Analyst

Schedule

Full-Time

Shift

Day Job

Travel

Yes - 10% of the time

Minimum Clearance Required Secret

Clearance Level Must Be Able to Obtain

TS/SCI

Potential for Remote Work

ORA_ON_SITE

Description

SAIC is seeking an experienced Model Based Systems Engineer (MBSE) to join our Technical Engineering and Design Department in support of our United States Air Force customer. This position is on-site in San Diego, CA.

Responsibilities

• Apply systems engineering principles and best practices across the full lifecycle of a technical program, from concept to disposal.
• Develop, manage, and maintain system architecture models using Model-Based Systems Engineering (MBSE) tools and methodologies (e.g., SysML, UPDM, DoDAF).
• Lead the definition, decomposition, and management of system requirements, ensuring traceability and alignment with program objectives and stakeholder needs.
• Conduct trade studies, analyses of alternatives, and risk assessments to inform key technical decisions and mitigate program risks.
• Define and manage system interfaces, ensuring interoperability and integration between system components.
• Collaborate closely with cross-functional teams, including software, hardware, and test engineers, to ensure a cohesive and integrated system design.
• Support system integration, verification, and validation activities to ensure the system meets all requirements and is fit for purpose.
• Prepare and present technical documentation, system models, and briefings to both technical and non-technical stakeholders.
• Work with program management to ensure technical solutions are developed on schedule and within budget.
• Identify opportunities for process improvements and contribute to the continuous enhancement of the systems engineering discipline within the program.

Qualifications

• Active secret clearance with the ability to obtain a TS/SCI security clearance.
• Bachelor of Science (B.S.) in a relevant technical field such as Systems Engineering, Electrical Engineering, Aerospace Engineering, or Computer Science.
• 5+ years of progressive experience in systems engineering on complex technical or aerospace/defense programs.
• Demonstrated expertise in Model-Based Systems Engineering (MBSE) with proficiency in tools such as Cameo Systems Modeler, Sparx EA, or Rhapsody.
• Strong understanding of the entire systems engineering lifecycle, from requirements analysis to system deployment and support.
• Experience with requirements management tools (e.g., DOORS, JAMA).
• Familiarity with architecture frameworks such as DoDAF, UPDM, or UAF.
• Proven track record in conducting trade studies, risk analysis, and interface control.
• Excellent problem-solving, critical-thinking, and analytical skills.
• Strong written and verbal communication skills, with the ability to effectively collaborate with a diverse team.
• INCOSE certification (e.g., CSEP, ASEP) is highly desirable.

Target salary range $100,001 - $140,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.