Software Engineer
G2 Ops, Inc
An application made for this job — a tailored resume and cover letter that speak straight to the posting.
Benefits offered by this job
Job summary
G2 Ops, Inc. in Arlington, VA seeks a Software Engineer / MBSE Plug-in Developer (Mid level) to support Java-based tooling, SysML model generation, and AI-assisted workflows.
You will contribute to software engineering, model-based systems engineering, and digital engineering with a team that values innovation and technical excellence. Ideal candidates bring 3+ years of Java development, a BS in CS or related field, and experience with JSON, REST APIs, and plugin development.
Qualifications
- 3+ years of professional Java development experience.
- Bachelor's degree in Computer Science, Software Engineering, or related field.
- 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.
Responsibilities
- Develop and maintain JAVA-based software components and extensions.
- Implement data processing, visualization, and workflow generation components.
- Build parsers and data models for structured JSON inputs.
- Extend internal utilities and modeling APIs for semantic and presentation elements.
- Collaborate with AI teams to align plugin behavior with LLM outputs.
- Diagnose and resolve issues across UI, parsing, APIs, and backend logic.
- Contribute to code quality, validation, and testing across repositories.
- Coordinate with cross-functional teams to align plugin capabilities with workflows.
Skills
Education
Tools
Job description
- 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.
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.
- Develop and maintain JAVA-based software components and software application extensions
- Implement software capabilities for automated data processing, visualization, and workflow generation including, but not limited to: system architecture, component relationships, and process workflows
- 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
- 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
- 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
- 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
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.
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.
- 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
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.
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.
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.
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.
- 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
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.
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.
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.
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.
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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