Software Engineer (Mid) - Java, MBSE & Modeling Tool Integration
$105k - $140kG2 Ops, Inc.
Location: Arlington at our wonderful G2 Ops office and customer site. Work Setting: In person, some remote opportunity, and/or flexible working hours,not a fully remote position. Salary Range: $105,000 - $140,000 plus comprehensive benefits package. Years of Industry Experience: 5+years of relevant experience. Security Clearance Requirement: Must be able to obtain and maintain Active DoD Secret Clearance. Where you make an impact: For this opportunity, we are seeking a highly motivated, team-oriented Software Engineer. This exciting position will have the chance to work on just about any aspect there is as it pertains to develop and maintain Java-based modeling tool capabilities for SysML and MBSE workflows. This role will focus on extending a Cameo Systems Modeler plugin, building and maintaining model/diagram generation logic, integrating with AI‑assisted structured‑output workflows, and improving the reliability of schema‑driven model creation across multiple repositories. What does this mean to you? The ideal candidate is a pragmatic Java engineer who can work comfortably in a specialized engineering domain. They should understand how structured data maps into model elements and diagrams, and how to debug issues across repository boundaries, and deliver features iteratively while maintaining technical rigor. Required Strong professional experience with Java. Experience designing and maintaining object‑oriented systems in a production codebase. Experience working with JSON, parsing/serialization, and schema‑driven data models. Ability to debug complex workflows across UI, parsing, API integration, and backend generation logic. Experience integrating software with REST or APIs. Ability to work effectively in evolving codebases with mixed legacy and newer patterns. Strong communication skills and ability to collaborate across software, systems engineering, and platform teams. Experience building plugins or extensions for Cameo Systems Modeler, MagicDraw, or similar modeling tools. Familiarity with SysML, MBSE, and model‑based engineering concepts. Preferred Qualifications Experience with semantic model generation and diagram/presentation element creation. Experience working with modeling tool APIs, sessions/transactions, and diagram automation. Familiarity with Eclipse‑based plugin environments. Experience with JavaFX, Swing, or desktop plugin UI development. Experience integrating AI/LLM capabilities into engineering workflows. Familiarity with prompt/schema design for structured LLM output. Experience with internal tooling or utility libraries similar to model/query/generation helper frameworks. What makes someone choose one company over another? Pay, benefits, training, work satisfaction, culture? At G2 Ops, you can have it all. We offer competitive pay and benefits, but what truly sets us apart is our collaborative culture. Here, you’re never just a payroll number or a cog in the machine; you’re part of a team that ensures every member is set up for success. Our team approach allows for each member to not only provide value with their expertise but also gives them the opportunity to cross‑train in other areas in which they have an interest. Let’s talk salary. The annual salary range for this position is $105,000 and goes up to $140,000 based on your qualifications. We also offer a competitive benefits package and have fringe benefits offered throughout the year. The benefits package value ranges from $13,000 for a single employee, and up to $28,000 for an employee and their family. With company standard annual performance reviews in place, plus excellence recognition awards, your performance will be rewarded and appreciated, we promise! Embracing AI. At G2 Ops, we don’t just talk about AI—we use it. Our recent company‑wide AI usage survey shows over 75% of our team is actively engaging with AI tools, making us a leader in real‑world adoption among engineering, cybersecurity, and defense firms. Led by our Director of Operations for Production, the initiative has already identified clear, actionable ways for every role—technical and operational—to harness AI effectively. From engineering automation to proposal generation and risk modeling, G2 Ops is embedding AI directly into how we work. We’re now launching the next phase: AI playbooks, secure tooling aligned with government security protocols, and real‑time support for hands‑on use across all departments. At G2 Ops, you’ll not only work with cutting‑edge technology , you’ll help define how it’s applied in real mission environments. Want to work where AI isn’t hype, but habit ? Join us. So, you want to work from home? Let’s be honest, remote work is not always all it’s cut out to be. At G2 Ops, we offer a flexible schedule to meet the needs of our team members and customers. Due to the classification level of the projects we support as a Defense Contractor, we cannot offer fully remote opportunities at this time. You will have a shiny desk at our G2 Ops office and the ability to telework with prior approval. We’ve worked hard to create a great culture where our team gets to come to a collaborative, exciting office environment, and we want you to join the fun! Lastly, as we are working for the DoD, we are beholden to some requirements. The ideal candidate would already possess an active DoD Secret level clearance. Quick Reminder , we are seeking a full‑time team member; the continuation of outside employment shall not constitute a conflict with the Company’s interest, including performing work for a customer or competitor. Congratulations , you made it all the way to the end of this job posting! We look forward to learning more about you! #J-18808-Ljbffr G2 Ops, Inc.
$105k - $140k
...solving complex operational and engineering challenges. We are seeking... ...motivated, collaborative Software Engineer to support Java-based modeling tool capabilities for SysML and MBSE workflows across. In... ...diagram generation logic, integrate with AI-assisted...SuggestedFull timeTemporary workLocal areaRemote workFlexible hours$105k - $140k
A leading defense contracting company in Arlington is seeking a full-time Software Engineer. The role involves developing and maintaining Java-based tools for modeling capabilities. The ideal candidate must have strong Java skills and thrive in collaborative environments...SuggestedFull timeRemote work$100.8k - $245.5k
...UI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIRED Category: Software Development/ Engineering Main location: United States... ...a hybrid working model is acceptable.... .... Human Factors Integration: Applying human factors... ...with design tools (e.g., PenPot, Adobe...SuggestedFull timeWork at officeLocal area$157k - $224k
...STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA... ...to work with complex software systems and the utilization... ...architectural integrity and traceability... ...using system modeling tools (SysML in Cameo) Even... ...Cameo Experience in Java, Python, or object‑oriented...SuggestedFull timeWork experience placementWork at officeLocal areaRemote workFlexible hours$121k - $145k
As a Model Based Systems Engineer (MBSE) / Digital Engineer - Junior at MTSI... ...you will work as an integral member of a... ...systems engineering tools and techniques. Your... ...systems processes and/or software development methodologies... .... Knowledge of Java and JavaScript usage...SuggestedContract workFor contractorsWork at office- Mid-Level Salesforce Developer Steampunk, Inc. Steampunk... ..., refactor the data model to use out-of-the-box... ...how to leverage the tool to meet complex process... ...user stories into working software. Preferred Skills:... ...management. Experience with integration development. Take...Full time
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...Services company, is seeking a Mid-level Engineer with a TS/SCI security... ...Framework for Simulation, Integration and Modeling (AFSIM). Five (5) years’... ...game engine or an equivalent tool (e.g., Unreal Engine).... ...guiding the development of software tools. Education Bachelor...Local areaFlexible hours- Ignatiuz.com is seeking a Mid level Front End/UI Developer based in Arlington, Virginia. This position requires 5+ years of experience... ...and delivering new functionalities, ensuring data quality, and managing integrations with various systems. #J-18808-Ljbffr Ignatiuz.com
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Mid-Level Thermal Engineer - Naval Research Laboratory Technology Service... ...analytical thermal models for aerospace... ...using industry-standard tools. Validate... ...with thermal analysis software packages including TRASYS... ...principles, and system‑level integration. Preferred...Flexible hours$113k - $160k
...(TSC) is seeking a Mid-Level Thermal Engineer to support work at the... ...and aerothermal modeling, with hands‑on experience... ...industry‑standard tools. Validate analytical... ...thermal analysis software packages including TRASYS... ..., and system‑level integration. Preferred...For contractorsFor subcontractorFlexible hours- Motion Recruitment partners with a global technology leader seeking a Mid-Senior Node Developer to join the Cloud Integrations Team on a full-time basis. The role is hybrid, two days per week near Reston, VA, focusing on building and enhancing applications that boost efficiency...Full timeWorldwide2 days per week
- ...a seasoned systems engineer with a strong subject... ...expertise in Model-Based Systems Engineering (MBSE) to provide technical... ...performance. Prepare software system... ...documentation. Develop integration plans and procedures... ...in MBSE, including tools such as Cameo MagicDraw...Work at officeShift work
$90k - $120k
...complex operational and engineering challenges. We are... ...motivated, collaborative Model‑Based Systems... ...digital engineering tools and enterprise modeling... ...configuration management, software, and integration disciplines.... ...stakeholders to align MBSE products with mission...Full timeTemporary workWork at officeRemote workFlexible hours$200k - $235k
Software Engineer (Java Developer) - Mid‑Senior Level - Fully Cleared with Polygraph Required Constellation Technologies... ...and configuration management tools Must have experience with... ...interface control, testing and continuous integration Experience in software development...Contract workTemporary workImmediate start- ...Consulting is seeking a Mid-Level Software Developer to support the... ...of developers and systems engineers responsible for ensuring... ...Experience with automated integration or unit testing scripts.... ...Exposure to large language models or AI-enabled tools. Working knowledge of accessibility...Full time
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...-time developer proficient in Groovy and Java. Responsibilities include developing and... ...applications, writing efficient scripts, and integrating with REST/SOAP APIs. The ideal candidate... ..., and a good understanding of CI/CD tools and SQL. The role offers a salary range of...Full time- ...the form of databases, models, approaches and techniques. Mid-Level Analysts have... ...MI. Overview Provide engineering, technical and programmatic... ...analysis, systems integration, international, cyber... ...Systems Engineering (MBSE) concepts, strategies, tools, and modeling...Work at office
- Java Developer (Integration Experience is must) Contract Location: Mclean VA Responsibilities Strong skills set in building scripts using Ant and... ...to work with excel files Performance management and tools knowledge are added advantages Strong UNIX knowledge and good...Contract work
- Overview JST is currently seeking a Mid-Level Salesforce Developer to join our team. The... ...security/sharing, permissions). Support integrations (REST/SOAP APIs, middleware) and data... ...Strong in Apex + LWC and Salesforce data model/platform limits. Working knowledge of Git...Full timeRemote work
- WSP in the U.S. is seeking a Mid-level SCADA and Industrial Control System Engineer in Arlington, VA. The role focuses on managing system requirements and... ...safety. The candidate will be involved in system integration and will apply engineering methodologies throughout...Relocation package
$140k
...a Senior-Level Systems Integrator to join our team supporting... ...the preparation of engineering plans and site installation... .... Guide the work of Mid- and Junior-level... .... Working knowledge of Model-Based Systems Engineering (MBSE) processes, tools, and languages. SHINE Systems...For contractorsWork experience placementLocal area$112k - $160k
...seeking a highly motivated and skilled Mid‑Level Mechanisms Engineer to support our customer in... ...kinematic, structural, and thermal modeling to ensure mechanism performance and... ...collaborate with multidisciplinary teams to integrate mechanisms into vehicle architectures...Flexible hours- ...utilizes simulations and models. Evaluates tools, technologies, architectures... .... Collaborates with lead engineers to define subsystem requirements... ..., develops and documents software specifications throughout... ...life cycle. Works with integration and test teams to develop...Full timeContract workFlexible hours
- ...excellent opportunity for a Mid-level .NET Programmer with solid... ...5 years of professional software development experience At least... ...practices Experience developing and integrating RESTful APIs, JSON-based... ...with CI/CD processes and tools such as Azure DevOps, GitHub...Flexible hours
- ...in systems and systems integration. If you enjoy building cross-language software, improving CI/CD pipelines... ...robust software engineering and practical integration... ...real‑time and simulation tools. Debug and support distributed... ...simulation tools and modeling frameworks. Experience...Full timeTemporary workPart timeWork experience placement
- ...an immediate need for a Mid‑Level Qlik Developer to... ...analysts, data engineers, and development teams... ...scalable Qlik applications, integrating multiple data sources, and supporting Agile software development initiatives... ...and optimize Qlik data models, ETL scripts, and data...Temporary workImmediate startWorldwide
$120k - $170k
Mid-Level Cloud and Microservices Engineer Base pay range $120,000/yr - $170,000/yr At Credence, we support our clients... ..., compliant deployments Integrate identity and access controls through... ...Working knowledge of CI/CD automation tools (GitLab CI, Jenkins, GitHub Actions...Full time- ...Full Stack Developer, Mid Level role at... ...collaborating with data engineers and analysts. Responsibilities... ...Node.js and Spring (Java), including... ...engineers and analysts to integrate services with tools like Redshift, SAS, R... ...function Industries Software Development Referrals...Full timePart timeInternship
$110k - $135k
...Secret Level of Experience: Mid Job Description Join the growing... ...-End Developer Mid-level (Software Development Analyst) to... ...user experience , and seamless integration with Microsoft SharePoint and... ...Knowledge of modern front‑end tooling (TypeScript, Redux/Context API...Full timeWork at officeLocal areaRemote workWork from homeHome office$89.6k - $194k
Java Software Developer, Mid-Level TS/SCI with Poly REQUIRED Position Description CGI Federal is... ...Arlington office; however, a hybrid working model is acceptable. Your future duties... ...requirements. . Architects integration solutions to synchronize business...Work at officeLocal area
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