Systems Integration Engineer

MANTECH seeks a motivated, customer-oriented Systems Integration Engineer to help support our current Marine Corps ISR Contract in Stafford, VA. The ideal candidate will be responsible for understanding the integration and interoperability of complex systems across the USMC ISR enterprise. This role requires a strong technical background, excellent communication skills, andthe ability to work effectively with a diverse team of technical and non-technical personnel, of all ranks and grades. Experience with Model-Based Systems Engineering (MBSE) is highly desired.Responsibilities include but are not limited to:Stakeholder Collaboration: Act as the primary point of contact for systems integration activities, liaising between technical engineering teams, requirement sponsors, program managers, operational SMEs, and other stakeholders to ensure alignment of operational requirements and capabilities with mission needs.Data Flow and Mission Thread Analysis: Define, analyze, and document data flows and end-to-end performance-based mission threads. This involves defining and mapping operational activities to performance parameters and identifying capabilities and limitations to achieving the execution of specific mission threads / scenarios.Technical Leadership: Provide technical guidance to Capability Integration Officers (CIOs) and CE-Intel Leadership with respect to data integration and interoperability. Participate in technical reviews, trade studies, and performance assessments to inform capability gap assessments, requirement definitions, and resource decisions.Model-Based Systems Engineering (MBSE): Apply MBSE principles and tools (such as Cameo (SysML, UAF)) to develop and maintain mission and scenario-based architectures, define “as-is” and “to-be” architectures, and review requirements traceability within available tools (such as JAMA). Guide the transition from document-based approaches to a model-based digital engineering environment.Communication and Reporting: Clearly articulate complex technical concepts to both technical and non-technical audiences of all ranks/grades. Prepare and present technical briefings and status reports to leadership and customer representatives.Minimum Qualifications:Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Science, or a related technical field and at least 8 years of systems engineering, integration, or a related role.Proven experience with C4ISR systemsStrong understanding of systems engineering lifecycle, requirements analysis, and interface design.Excellent interpersonal and communication skills, with a demonstrated ability to work effectively in a team-oriented, collaborative environmentPreferred Qualifications:Knowledge of DoD / USMC garrison and tactical environments.Master’s degree in a relevant technical field.Proficiency with MBSE tools and methodologies such as SysML, UAF, UML using Cameo.Experience with Department of Defense Architecture Framework (DoDAF).Familiarity with DoD acquisition and Agile development processes.Experience in developing and analyzing mission threads for complex systems-of-systems.Prior military experience or experience working directly with operational users and SMEs.Clearance Required:Must have an active DoD TS/SCI ClearancePhysical Requirements:Sedentary Work.

Created: 2026-01-21