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Knowledge Based Expert Systems Engineering Jobs

Expert Level Systems Engineer

Springfield, VA · On-site +1

$146K - $234K/yr

Experience with Model-Based Systems Engineering (MBSE) tools and methodologies. * Software ... knowledge, skills, and competencies, as well as geographic location and business and contract ...

Expert Systems Architect

Springfield, VA · On-site

$254K/yr

The Expert Systems Architect will lead the design and development of enterprise-scale solution ... knowledge of Model-Based Systems Engineering (MBSE) processes, tools, and languages. • Certified ...

Strong Understanding and knowledge of Windows operating system. Experience with Web server MS IIS ... Accountabilities Possess Expert level expertise in the assigned technology domain. Install ...

Senior Systems Engineer

Alexandria, VA · On-site

$90K - $175K/yr

Oversee implementation of Model-Based Systems Engineering (MBSE) practices using tools like Cameo ... Deep knowledge of systems engineering principles, tools, and techniques across the entire lifecycle.

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Knowledge Based Expert Systems Engineering information

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How much do knowledge based expert systems engineering jobs pay per year?

As of Sep 10, 2026, the average yearly pay for knowledge based expert systems engineering in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Knowledge Based Expert Systems Engineering job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 13% Part Time, and 7% Contract. Highlights an 83% Physical, 2% Hybrid, and 15% Remote job distribution, with an average salary of $127,215 per year, or $61.2 per hour.

Ontologist - Systems Engineer - (Expert) #923

Springfield, VA • On-site

Allen Integrated Solutions
Guided Missile and Space Vehicle Manufacturing • 11 - 50 employees

Full-time

Posted 6 days ago


Job description

Ontologist - Systems Engineer - (Expert) #923

TS/SCI Clearance REQUIRED

Springfield, VA - 100% onsite

Ontologist - Expert System Integrator #923 

Responsibilities 

Expert Systems Integrators support the Government by leading and overseeing the integrity of the NSG/ASG systems-of-systems enterprise.  They lead and oversee planning, implementation approaches, testing, documenting, and maintaining solutions for total cloud services, systems or subsystems using defined processes and tools.  They provide end-to-end system development life cycle support to the program Provide Subject Matter Expertise to shorten the timeline associated with adopting, integrating, and properly exposing new Sources/Suppliers products/services and develop trade space options for efficient planning, programming, budgeting, and execution cycles. 

  

Duties include: 

  • Provides expert advice to the Government in the areas of relating vision, strategy, plans, needs, requirements, and process and capability developments. 
  • Conducts solution assessments, scheduling analysis, and integration across IPO product lines and other services to enable mission functions.  
  • Capture and translate mission and customer requirements into products and capabilities for optimized solutions; partner with Product Managers for backlog grooming and roadmap sequencing of features. 
  • Conducts: planning; captures, analyzes, traces user requirements; architecture traceability, procedures, and problem identification to automate or improve existing systems and review cloud service capabilities, workflow, and scheduling limitations for existing user workflows and to enable improvements.  
  • Provide expertise to interpret and implement customer data requirements 
  • Ability to effectively influence and seamlessly work with IPOs, Chief Data Officer (CDO), and other CIOT capability providers to meet the goals of Content Conveyance 
  • Assists with Analysis of Alternatives (AoAs), Course of Actions (CoAs), Trade Studies, and Engineering Assessments. 
  • Provides expert-level support by leading technical teams for the design, implementation, and governance of processes and frameworks of ontology that guide the creation, management, evolution, and use of Foundation GEOINT consistent with organizational requirements. 
  • Assists the Government in strategic technical planning, project management, performance engineering, risk management and interface design. 
  • Strong team player, self-starter, comfortable working in a complex/multifaceted development environment 
  • Ability to work independently and as a team leader under tight deadlines managing priorities 
  • Demonstrated ability to work in a multi-contractor / government organization 
  • Maintain and track an Agile schedule in an appropriate project management capability (JIRA, Confluence, etc.) 

Qualifications 

Required: 

  • Bachelor's degree or higher in Systems Engineering or in related technical or scientific fields such as engineering, physics, mathematics, operations research, engineering management, Computer Science, Information Technology, Management Information Systems, ontologies, or related STEM degree program, or 18+ years work experience as a Systems Integrator. 
  • 18+ years of experience in government or industry in relevant work areas including: DoD/IC Acquisition Process, Requirements Process, NGA Production and Dissemination, IC TCPED. 
  • Expert experience working system integration or system engineering experience in government or industry. 
  • TS/SCI clearance adjudication or ability to obtain SCI and pass a poly 

Desired: 

  • Demonstrated expert-level proficiency in using Basic Formal Ontology (BFO) frameworks and implementing Common Core Ontologies (CCO). 
  • Working knowledge of Model Based Systems Engineering, processes, tools and languages. 
  • Working knowledge of Software Development Frameworks. 
  • Documented work experience in the field of geospatial intelligence. 
  • Working knowledge of photogrammetry, remote sensing, image science, and information