Senior Model Based Systems Engineer

Job Locations US-VA-Herndon
Requisition ID
Position Category
Systems Engineering / Development / Architecture / Integration
Citizen Security & Public Services


Peraton is seeking a Senior Model Based Systems Engineer to join our team of qualified, diverse individuals. This position will be located onsite in Herndon, VA. This is not a remote position. However, limited telework in the local area may be allowed. The qualified applicant will become part of Peraton’s Department of State (DOS) Consular Systems Modernization (CSM) Program, for the Bureau of Consular Affairs (CA). 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 CAs customers. As part of the modernization program, the Senior 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.


Duties and Responsibilities:

  • Define the system domain and develop system models using model-based systems engineering (UML and SysML).
  • Develop and maintain software system architectural artifacts demonstrating As-Is or To-Be at a 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 development of solutions based on 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 CA 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 and Resolution (DAR), gap analysis, and trade study activities for system engineering-related areas.




Basic Qualifications:

  • Bachelor's degree in STEM field 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 systems 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.
  • S. Citizen.
  • Must have a current, active Secret (or higher) clearance. Interim clearance acceptable. 

Preferred Qualifications:

  • 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) or Jira.
  • Experience creating software development product backlogs, roadmaps, and release plans.


Peraton Overview

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Target Salary Range

$146,000 - $234,000. This represents the typical salary range for this position based on experience and other factors.


An Equal Opportunity Employer including Disability/Veteran.


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