NHS Human Services, Inc.

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Principal Software Engineer in Dayton, OH. The Principal Software Engineer will have experience in research, development, and maintenance of NASIC's Modeling and Simulation (M&S) web presence capability. The candidate will collaborate with military personnel and other contractors when designing and executing Modeling and Simulation scenarios. The candidate should also be knowledgeable with all M&S threat data to include but not limited to threat models (parametric, engineering, & emulative), scenario models, and electromagnetic spectrum signature data/models. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Ownership: we have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual tuition reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan Track Record of Success: We have grown every year since our founding in 1993 Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance. MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com. Responsibilities * Maintain Modeling and Simulation and Signatures portals * Maintain and update associated tools and processes, cyber security compliance, training, system administration, and documentation * Maintain data interfaces to the information sources used to enable the discovery and sharing of intelligence related M&S products * Research, develop, and transition current capabilities to a new web presence architecture. * Oversee, and foster a portfolio of projects supporting Modeling and Simulation * Collaborate and work across internal and external teams to develop concepts that advance the entire project * Communicate highly technical problems and solutions at all levels, from engineers to C-level-equivalent leaders * Work with researchers and external partners to develop and pursue a vision to ensure mission initiatives are reliable, accurate, and robust Qualifications * Bachelor's degree preferred * Strong experience with web site development * Strong experience in database design, modeling and simulation * 25+ years of extensive background in software development - to include Java, Tomcat, MySQL (or equivalent), MongoDB (or equivalent), CSS, JavaScript (Bootstrap, ReactJS), Elastic, Kibana, ReactJS, fluentbit, S3 (compatible storage), Selenium, Kubernetes, Maven, and Jenkins. * Experience Gitlab, Jira, and Confluence * Strong in verbal and written communications * Creating and briefing Government personnel on