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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (Engineer Software 3) - **Company:** Harris Industries, Inc. - **Location:** Suffolk, VA, United States - **Experience:** Expert - **Salary:** $96,951.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), C++ (Programming Language), Data Integrity, Data Transformation, Serialization, Data Structures, Oracle Data Guard, Distributed Systems, Electronic Data Interchange (EDI), High-Level Architecture, Python (Programming Language), Network Protocols, Real Time Simulation, Message Oriented Middleware, Data Streaming, System Testing, Trusted Systems, Data Processing, Modeling and Simulation, Programming Languages - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=f4ef9c0f408c2c79 ## About the Role * 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. * Must have an active TS/SCI security clearance. * Strong communication skills and ability to collaborate with senior government, military, and technical stakeholders. * Proven ability to work in complex, high stakes environments with a focus on timely, high quality delivery. * Strong critical thinking skills and ability to develop innovative solutions to operational training challenges. * Proficiency in one or more programming languages (Java, C++, Python, or similar). * Experience with simulation protocols such as DIS (Distributed Interactive Simulation) and/or HLA (High Level Architecture). * Understanding of network protocols, data serialization, and structured data formats. * Experience working with secure systems or cross domain technologies. * Familiarity with fixed format or constrained data packet structures. * Ability to work effectively in team environments and communicate complex technical ideas clearly. Preferred Requirements * Hands on experience with Cross Domain Solutions (CDS), including ruleset creation and data guard configuration. * Experience with Joint Live Virtual Constructive (JLVC) environments or other large scale DoD training/simulation systems. * Background in Multi Level Security (MLS) systems, classification markings, and data labeling workflows. * Knowledge of non kinetic effects modeling and simulation. * Experience navigating accreditation processes such as RMF or ICD 503. * Experience with distributed systems, real time simulation, or message oriented middleware. * Understanding of DoD architecture frameworks and joint training system operations. ## Description Mission Technologies, a division of Huntington Ingalls Industries, is seeking an experienced Software Engineer to support the Joint Training Synthetic Environment (JTSE) and JLVC Modernization effort under the Joint Staff J7 (JS J 7) contract. This position focuses on designing and implementing Cross Domain Solutions (CDS) that enable secure, interoperable data exchange within joint training and simulation environments., * Design, develop, and implement CDS rulesets that control data flow between security domains (allow, block, sanitize, transform). * Analyze and map DIS protocol objects and interactions to ensure compatibility with CDS constraints and fixed format data structures. * Support modernization of JLVC HLA FOM components and integrate them within CDS architectures. * Engineer data transformation methods to convert high classification non kinetic effects into releasable low classification formats. * Maintain end to end traceability of training audience actions and system behaviors across classification boundaries. * Coordinate with accrediting authorities to ensure CDS compliance with all security and data handling policies. * Extend and maintain existing DIS based CDS implementations. * Develop technical documentation, including architectures, rulesets, mappings, and data flow specifications. * Participate in system testing, validation, and accreditation activities for CDS-enabled capabilities. * Troubleshoot and resolve issues related to protocol interoperability, data integrity, and cross domain transmission. * Support milestones associated with the Fully Informed Simulation Environment (FISE). ## Related Videos - [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1964-boosting-opensearch-performance-grpc-search-in-action) - [Exploring 5 Key Applications of AI Abundance with Blockchain Assurance](https://www.wearedevelopers.com/videos/971-exploring-5-key-applications-of-ai-abundance-with-blockchain-assurance) - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Prototyping with Hardware and the Web](https://www.wearedevelopers.com/videos/651-prototyping-with-hardware-and-the-web) - [Boosting OpenSearch Performance: gRPC Search in Action](https://www.wearedevelopers.com/videos/1935-boosting-opensearch-performance-grpc-search-in-action) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)