Senior Model-Based Systems Engineer (MBSE) Architect

G2 Ops, Inc; San Diego (CA); On-site; USD 135,000 - 175,000; Full time

Job summary

G2 Ops, Inc. in San Diego seeks a Senior MBSE Systems Architect to advance MBSE across the CND program lifecycle. You will develop executable architectures, model-based analyses, and interfaces while collaborating with leadership, cybersecurity, and SMEs to resolve gaps.

The role requires 7+ years in systems engineering, a DoD clearance, and a Bachelor’s in engineering. Onsite work with flexible scheduling supports mission-critical environments.

Qualifications

• MBSE across the systems engineering lifecycle to support requirements and architecture development.
• Ability to translate technical data into accurate system models and executable architectures.
• Experience applying MBSE methods to complex systems and DoD/ government programs.

Responsibilities

• Apply MBSE methodologies across the systems engineering lifecycle to support requirements, architecture, analysis, integration, and verification activities.
• Develop and maintain system models and executable architectures that accurately represent the system and its technical baseline.
• Ingest and analyze existing technical documentation, network data, and other authoritative sources to establish and maintain accurate system models.
• Support requirements and architecture development, interface analysis, system analysis, integration and verification, and engineering change activities.
• Define and implement high-value MBSE use cases that improve engineering workflows and provide meaningful technical insight.
• Use system models to support technical analysis, engineering decisions, system evolution, and communication with program leadership and technical stakeholders.
• Work closely with system developers, cybersecurity teams, program leadership, and technical SMEs to identify and resolve technical gaps.
• Engage stakeholders to gather technical information, reconcile inconsistencies, and ensure models accurately represent system requirements, interfaces, architecture, and behavior.
• Independently drive MBSE activities forward while adapting to evolving program and engineering priorities.

Skills

MBSE methodology

Requirements development

System modeling

Strong communication

Independent work

Security clearance ability

Education

Bachelor’s degree in Engineering

Tools

UML

SysML

MagicDraw

Cameo

Job description

Quick Position Facts!

• Location: San Diego, CA at our G2 Ops office.
• Work Setting: Primarily Onsite with Flexible Schedule Available Based On Program Requirements.
• Salary Range: $135,000-$175,000 plus comprehensive benefits package.
• Years of Industry Experience: 7+ years of relevant experience.
• Security Clearance Requirement: Must be able to obtain and maintain Active DoD Secret Clearance.

About the Role.

G2 Ops supports mission-critical defense and technology initiatives by solving complex operational and engineering challenges. We are seeking a motivated, collaborative Senior MBSE Systems Architect to support the Computer Network Defense (CND) program.

In this role, you’ll apply Model-Based Systems Engineering (MBSE) across the systems engineering lifecycle, working closely with program leadership, system developers, cybersecurity teams, and technical SMEs. You’ll use MBSE to support requirements and architecture development, system and interface analysis, integration and verification, engineering changes, and technical decision-making while helping establish and maintain an accurate system model and technical baseline.

What You’ll Do

• Apply MBSE methodologies across the systems engineering lifecycle to support requirements, architecture, analysis, integration, and verification activities.
• Develop and maintain system models and executable architectures that accurately represent the system and its technical baseline.
• Ingest and analyze existing technical documentation, network data, and other authoritative sources to establish and maintain accurate system models.
• Support requirements and architecture development, interface analysis, system analysis, integration and verification, and engineering change activities.
• Define and implement high-value MBSE use cases that improve engineering workflows and provide meaningful technical insight.
• Use system models to support technical analysis, engineering decisions, system evolution, and communication with program leadership and technical stakeholders.
• Work closely with system developers, cybersecurity teams, program leadership, and technical SMEs to identify and resolve technical gaps.
• Engage stakeholders to gather technical information, reconcile inconsistencies, and ensure models accurately represent system requirements, interfaces, architecture, and behavior.
• Independently drive MBSE activities forward while adapting to evolving program and engineering priorities.

What You’ll Bring

Required Qualifications

• Bachelor’s degree in an Engineering discipline.
• 7+ years of relevant systems engineering experience.
• Experience applying Model-Based Systems Engineering (MBSE) methodologies to complex systems.
• Experience developing and maintaining system models, executable architectures, simulations, or analyses.
• Experience with UML, SysML, MagicDraw, or Cameo.
• Experience supporting requirements development, system architecture, interface analysis, integration, verification, or engineering change activities.
• Ability to interpret technical documentation, network data, and other authoritative engineering sources and translate that information into accurate system models.
• Ability to quickly understand complex systems, identify technical gaps, and develop practical approaches for resolving them.
• Strong communication and collaboration skills.
• Ability to work effectively with program leadership, system developers, cybersecurity teams, and multidisciplinary technical SMEs.
• Ability to work independently, manage technical priorities, and drive engineering activities forward with limited direction.
• Ability to obtain and maintain required security clearance.

Preferred Qualifications

• Experience supporting DoD or government programs.
• Experience using MBSE to establish or maintain system-level technical baselines.
• Experience defining and implementing model use cases that support technical analysis and engineering decision-making.
• Experience using system models to improve engineering workflows and support system evolution.
• Experience working in cross-functional or customer-facing environments.

Additional Considerations

• This is a full-time position supporting mission-focused customer environments
• Outside employment or activities must not create conflicts of interest with company or customer responsibilities

Why G2 Ops?

What makes someone choose one company over another? Compensation, benefits, meaningful work, flexibility, growth opportunities, culture?

At G2 Ops, we believe you shouldn’t have to choose.

We offer competitive pay and benefits, but what truly sets us apart is our collaborative culture. Team members support mission-focused projects alongside highly skilled technical professionals across engineering, cybersecurity, operations, and program teams.

We encourage continuous learning, cross-training, and professional growth while empowering team members to contribute ideas that improve how we work and deliver value to our customers.

At G2 Ops, your contributions matter to our customers’ missions and to the continued success of our team.

Compensation & Benefits.

The annual salary range for this position is $135,000-$175,000, depending on qualifications and experience.

G2 Ops offers a competitive compensation and benefits package designed to support our employees both personally and professionally, including:

• 100% company-paid insurance for medical, dental, and vision for eligible employees and family members
• 100% company-paid insurance for life, short-term disability (STD), and long-term disability (LTD) for eligible employees
• 401(k) plan with discretionary employer matching
• 10 paid holidays
• Paid time off (PTO)
• Educational assistance

In addition, we provide professional development opportunities, performance recognition programs, and resources that support long-term career growth and work-life balance.

AI at G2 Ops.

At G2 Ops, we don’t just talk about AI — we actively use it to improve how we work.

Our teams are integrating AI into engineering, cybersecurity, operations, and decision-making workflows. We continue to invest in secure AI tooling aligned with government security requirements while developing practical, mission-focused applications across the company.

Whether your role is technical or operational, you’ll have opportunities to explore how AI can enhance efficiency, innovation, and mission impact.

Work Environment.

Because we support classified and mission-critical DoD programs, many roles require onsite collaboration at G2 Ops offices and/or customer locations. Depending on program requirements, telework and flexible scheduling options may be available.

We’ve built a collaborative environment where team members can learn, contribute, and grow while supporting meaningful customer missions.

About G2 Ops, Inc. (G2 Ops)

G2 Ops leverages over a decade of experience integrating Systems, Cybersecurity, and Software Engineering techniques to provide solutions to a growing list of Government and private customers. We combine cutting edge tools with innovative engineering practices, data analytics, and risk algorithms that enhance visibility into complex infrastructures, optimizing resiliency in system design and operations.

G2 Ops is a woman-owned small business led by an executive staff known for providing innovative solutions to solve our nation’s most complex engineering challenges. G2 Ops has been named to the Inc. 5000 list of America’s fastest growing companies each of the last 9 years (2018-2026) and has locations in Arlington, VA, Virginia Beach, VA, and San Diego, CA.

G2 Ops, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, gender identity), national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

G2 Ops, Inc. participates in the E-Verify program. Employment is contingent upon verification of identity and authorization to work in the United States.

Applicants have rights under Federal Employment Laws: https://www.dol.gov/agencies/ofccp/posters
E-Verify Participation and Right to Work Notices: https://www.e-verify.gov/employers/posters-and-resources