Quick Position Facts!
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Location: Arlington, VA and at our customer-site.
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Work Setting: In-person, and hybrid support available based on program requirements
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Salary Range: $105,000 - $140,000 plus comprehensive benefits package.
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Years of Industry Experience: 5+ years of relevant experience.
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Security Clearance Requirement: Must be able to obtain and maintain Active DoD Secret Clearance.
About the Role. At G2 Ops, we support mission-critical defense and technology initiatives by solving complex operational and engineering challenges. We are seeking a motivated, collaborative Software Engineer to support Java-based modeling tool capabilities for SysML and MBSE workflows across.
In this role, you’ll extend Cameo Systems Modeler / MagicDraw plugin functionality, build and maintain model and diagram generation logic, integrate with AI-assisted structured-output workflows, and improve the reliability of schema-driven model creation across multiple repositories.
What You’ll Do
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Develop and maintain Java-based plugin functionality for Cameo Systems Modeler / MagicDraw.
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Implement and enhance SysML model generation capabilities, including Block Definition Diagrams, Internal Block Diagrams, and Activity Diagrams.
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Build and maintain parsers and data models for structured JSON inputs used to drive model generation.
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Use and extend internal utility libraries that wrap modeling APIs and support semantic and presentation element creation.
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Diagnose and resolve issues related to model creation, diagram rendering, session/transaction handling, and UI workflow behavior.
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Collaborate with cloud and AI engineering teams to align plugin behavior with API contracts, prompts, schemas, and LLM output expectations.
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Improve robustness of AI-assisted generation workflows, including handling partial or imperfect structured outputs safely.
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Contribute to code quality improvements, validation logic, testing strategy, and maintainability across a multi-repository codebase.
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Support branch integration, debugging, and iterative feature delivery in an active development environment.
What You’ll Bring
Required Qualifications
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Strong professional experience with Java.
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Experience designing and maintaining object-oriented systems in a production codebase.
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Experience working with JSON, parsing/serialization, and schema-driven data models.
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Ability to debug complex workflows across UI, parsing, API integration, and backend generation logic.
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Experience integrating software with REST or HTTP-based APIs.
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Ability to work effectively in evolving codebases with mixed legacy and newer patterns.
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Strong communication skills and ability to collaborate across software, systems engineering, and platform teams.
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Ability to obtain and maintain required DoD Secret security clearance.
Preferred Qualifications
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Experience building plugins or extensions for Cameo Systems Modeler, MagicDraw, or similar modeling tools.
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Familiarity with SysML, MBSE, and model-based engineering concepts.
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Experience with semantic model generation and diagram/presentation element creation.
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Experience working with modeling tool APIs, sessions/transactions, and diagram automation.
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Familiarity with Eclipse-based plugin environments.
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Experience with JavaFX, Swing, or desktop plugin UI development.
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Experience integrating AI/LLM capabilities into engineering workflows.
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Familiarity with prompt/schema design for structured LLM output.
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Experience with internal tooling or utility libraries similar to model/query/generation helper frameworks.
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Experience supporting DoD or government programs.
Additional Considerations
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This is a full-time position supporting mission-focused customer environments.
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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 $105,000 – $140,000, depending on qualifications and experience.
G2 Ops offers a competitive compensation and benefits package designed to support our employees both personally and professionally, including:
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100% company-paid insurance for medical, dental, and vision for eligible employees and family members
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100% company-paid insurance for life, short-term disability (STD), and long-term disability (LTD) for eligible employees
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401(k) plan with discretionary employer matching
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10 paid holidays
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Paid time off (PTO)
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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 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 8 years (2018-2025) 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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