Overview

Tantus Technologies, Inc. (Tantus) - recognized by the Washington Post as a Top Workplace - is seeking a Principal Systems Engineer to join our team in Herndon, VA. This initiative is intended to modernize and consolidate the operational environment under a common technology framework in order to better support the services provided to our customers. As part of the modernization program, the Principal Systems Engineer will be responsible for a wide range of systems engineering activities and associated work products including requirements definition, concept of operations, systems modeling, system interface development, estimation, and trade studies.

**Remote Opportunity.**

**Must be a United States Citizen and eligible to obtain a Secret Clearance.**

What You'll Do

• Define the system domain and develop system models using model-based engineering (UML and SysML)
• Develop and maintain software system architectural artifacts demonstrating As-Is or To-Be at a very high level
• Support system engineering team creation of Business Process models, Use Cases, Operational Views and Domain models
• Work with the product owner to understand customer business needs and priorities
• Work with Agile Solution Train management to prioritize product backlog and ensure customer priorities are aligned
• Work with architecture team to ensure the logical and systematic conversion of customer or product requirements accounting for technical, schedule, and cost constraints
• Define and manage requirements, both functional and non-functional, as high level epics, features and user stories to support SAFe Agile methodology
• Create engineering packages that represent the product backlog to support Agile Development scrum teams
• Baseline and maintain product backlog to support redesigning systems to meet modernization, integration and operation & maintenance requirements
• Collaborate with UX/UI designers efforts to develop wireframes and/or user interface prototypes to supplement requirements
• Develop concept of operations (CONOPS) and high-level solution plans to meet customer business needs
• Lead Decision Analysis Resolution (DAR), gap analysis, and trade study activities for system engineering-related areas

Must Haves

• US Citizenship required
• Bachelor's degree in STEM and at least 10 years experience
• Experience in software development and maintenance projects with involvement in requirements management and technical design/development SDLC
• Experience in creating and maintaining software system architecture artifacts such as domain models, system/capability views and use case diagrams supporting software projects specialized in web and mobile application development
• Experience defining system domains and developing system models using model-based engineering (UML and SysML) including the use of computer based modelling tools
• Background in Agile Software Development, specifically experience in developing detailed user stories to include precise and descriptive acceptance criteria
• Experience with employment of CONOPS for the development of system architectures and requirements that are optimized to meet the customers operational needs at lowest cost
• Must have a current, active Secret (or higher) clearance. Interim clearance acceptable

Nice to Haves

Candidates with these desired skills will be given preferential consideration:

• Experience modernizing enterprise software systems (web and mobile-based)
• Experience in cloud based environments including the creation of systems engineering solutions that involve public/hybrid clouds
• Experience with the Sparx Enterprise Architect tool
• Experience using engineering environments and tools that support Agile Software Development, such as IBM Rational Collaborative Lifecycle Management (CLM)
• Experience creating software development product backlogs, roadmaps, and release plans