Ontologist – Expert System Integrator - TS/SCI Clearance Required
Listed on 2026-10-12
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IT/Tech
Systems Engineer, Systems Analyst, IT Consultant, Business Systems & Technology Analysis
About CORE-CSI
CORE-CSI is a small business headquartered in Sterling, Virginia. We provide trusted, results-oriented expertise to the Intelligence Community (IC), the Department of Defense (DoD), and other federal and commercial customers across the United States.
Position OverviewThe Ontologist – Expert System Integrator will provide expert-level systems integration, systems engineering, ontology development, and mission-focused technical leadership to support the adoption, integration, and effective use of new sources, suppliers, products, and services.
The successful candidate will provide end-to-end support throughout the system development life cycle (SDLC), including planning, requirements analysis, architecture, implementation, testing, documentation, governance, and sustainment. The role requires the ability to translate complex mission and customer needs into integrated products and capabilities while developing practical trade-space options that support efficient planning, programming, budgeting, and execution.
This position offers an opportunity for a highly experienced technical professional to work across Government, industry, and multi-contractor environments while helping shape ontology frameworks and integrated capabilities supporting Foundation GEOINT and related mission functions.
Key Responsibilities- Provide expert advice to the Government regarding vision, strategy, plans, mission needs, requirements, processes, and capability development.
- Lead and oversee systems integration activities across the NSG/ASG systems-of-systems enterprise.
- Conduct solution assessments, scheduling analyses, and integration activities across IPO product lines and supporting services to enable mission functions.
- Translate mission and customer requirements into products, services, and capabilities that support optimized solutions.
- Partner with Product Managers on backlog grooming, feature prioritization, and roadmap sequencing.
- Plan, capture, analyze, and trace user requirements and architecture relationships throughout the system development life cycle.
- Identify opportunities to automate or improve existing systems, workflows, processes, and capabilities.
- Evaluate cloud service capabilities, workflows, scheduling constraints, and limitations to identify opportunities for mission and operational improvements.
- Provide subject matter expertise in interpreting and implementing customer data requirements.
- Collaborate effectively with IPOs, the Chief Data Officer (CDO), and other CIOT capability providers to advance Content Conveyance objectives.
- Support Analysis of Alternatives (AoAs), Courses of Action (CoAs), trade studies, engineering assessments, and other technical decision-support activities.
- Lead technical teams in the design, implementation, and governance of ontology processes and frameworks that guide the creation, management, evolution, and use of Foundation GEOINT in accordance with organizational requirements.
- Provide expert-level systems integration and systems engineering support across planning, implementation, testing, documentation, and sustainment activities.
- Assist the Government with strategic technical planning, project management, performance engineering, risk management, and interface design.
- Provide end-to-end support across the system development life cycle using established processes, methodologies, and tools.
- Develop technical approaches that shorten the timeline for adopting, integrating, and appropriately exposing new source and supplier products and services.
- Develop and evaluate trade-space options to support efficient planning, programming, budgeting, and execution cycles.
- Maintain and track Agile schedules using project management and collaboration tools such as JIRA and…
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