Software Engineer (MBSE Plug-in Development)

Arlington, VA

Full Time

Software

Mid Level

Quick Position Facts!

Location: Arlington, VA at our G2 Ops office.
Work Setting: In-Office with Hybrid/Flexible Schedule Available Based on Program Requirements.
Salary Range: $85,000 - $100,000 plus comprehensive benefits package.
Years of Industry Experience: 3+ 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 Software Engineer / MBSE Plug-in Development, Mid to support Java-based modeling tool capabilities, SysML model generation, and AI-assisted engineering workflows.

In this role, you’ll contribute to software engineering, model-based systems engineering, and digital engineering capabilities while working alongside a team that values innovation, technical excellence, and continuous growth.

What You'll Do

Plugin Development & Model Generation (70%)

Develop and maintain Java-based plugin functionality for Cameo Systems Modeler / MagicDraw
Implement SysML model generation capabilities including Block Definition Diagrams, Internal Block Diagrams, and Activity Diagrams
Build and maintain parsers and data models for structured JSON inputs that drive model generation
Use and extend internal utility libraries wrapping modeling APIs for semantic and presentation element creation
Collaborate with AI engineering teams to align plugin behavior with LLM output expectations and improve robustness of AI-assisted generation workflows

Collaboration & Quality (30%)

Diagnose and resolve issues across UI, parsing, API integration, and backend generation logic
Contribute to code quality improvements, validation logic, and testing strategy across multi-repository codebase
Support iterative feature delivery and coordinate with cross-functional teams to ensure plugin capabilities align with modeling workflows

What You'll Bring

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, or related technical field
3+ years of professional Java development experience
Experience designing and maintaining object-oriented systems in production codebases
Strong proficiency with JSON parsing/serialization and schema-driven data models
Ability to debug complex workflows across UI, parsing, API integration, and backend logic
Experience integrating software with REST or HTTP-based APIs
Strong communication skills and ability to collaborate across technical teams
Ability to obtain and maintain required security clearance

Preferred Qualifications

Experience building plugins for Cameo Systems Modeler, MagicDraw, or similar modeling tools
Familiarity with SysML, MBSE, and model-based engineering concepts
Experience with modeling tool APIs, sessions/transactions, and diagram automation
Experience with Eclipse-based plugin environments or JavaFX/Swing UI development
Experience integrating AI/LLM capabilities into engineering workflows
Familiarity with prompt/schema design for structured LLM output

Why This Role Matters

Your code will directly enable systems engineers to rapidly develop high-quality models for defense systems that protect national security. You'll work on technically challenging problems at the intersection of software engineering, AI integration, and model-based systems engineering.

Ideal Candidate: A pragmatic Java engineer comfortable working in a specialized engineering domain who understands how structured data maps into model elements and diagrams, can debug issues across repository boundaries, and delivers features iteratively while maintaining technical rigor.

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 $85,000 – $100,000, 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. 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.

Ready to Apply? If you’re excited about solving meaningful problems, working alongside talented teammates, and contributing to important mission-focused work, we’d love to hear from you.

We look forward to learning more about you!

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 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 $85,000 – $100,000, 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.

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.

Ready to Apply? If you’re excited about solving meaningful problems, working alongside talented teammates, and contributing to important mission-focused work, we’d love to hear from you.

We look forward to learning more about you!

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

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Please note: Due to the classification level of the projects we support, we are not able to offer fully remote opportunities at this time. We have worked very hard to create an awesome culture where our employees get to come to a collaborative, exciting office environment and we want you to join the fun!

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Software Engineer (MBSE Plug-in Development)

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