System Engineer III

Vosper Thornycroft Group; Chantilly (VA); On-site; USD 135,000 - 185,000; Full time

Job summary

VTG in Chantilly, VA seeks a System Engineer III to translate mission needs into system requirements and drive engineering across lifecycle.

You will coordinate across stakeholders, lead trade studies, enforce traceability, and mentor junior engineers while delivering verifiable, high-quality engineering products.

A TS/SCI with Poly is required; a Bachelor's in Engineering or related field is required with Masters preferred; pay range $135k-$185k annually.

Qualifications

• MBSE/SysML and DoDAF architecture proficiency required.
• 10+ years of systems engineering experience on complex integrated systems.
• Bachelor’s degree required; Masters preferred.

Responsibilities

• Lead systems engineering across lifecycle: requirements strategy, architecture, interfaces, integration, verification, and baseline management.
• Own/develop key systems engineering products: system requirements, interface control documentation, architecture packages, technical plans.
• Drive cross-functional technical integration across software, infrastructure, cyber, data, and test.
• Lead technical reviews and decision forums; develop and evaluate trade studies.
• Establish and enforce requirements quality standards and manage change impacts.
• Mentor junior/mid engineers and implement engineering best practices.
• Provide technical input for program reporting, risk management, and customer briefings.

Skills

MBSE/SysML

DoDAF architecture

Lead/Architect experience

Requirements quality standards

Trade studies/decision forums

Mentor junior engineers

Cross-stakeholder coordination

Security clearance TS/SCI with Poly

Certifications: INCOSE ASEP/CSEP, AWS,

Education

Bachelor’s degree in Engineering, IT, Business, or related field

Masters degree preferred

Tools

AWS

Azure

Job description

Overview

VTG is looking for System Engineers in Chantilly, VA. The Systems Engineer III performs systems engineering tasks with limited supervision, translating mission needs into system requirements and engineering products. Coordinates across stakeholders to maintain technical alignment, supports design trade studies, and ensures requirements are verifiable and traceable through implementation and test.

What will you do?

• Lead systems engineering approach across lifecycle: requirements strategy, architecture, interfaces, integration, verification, and technical baseline management.
• Own/oversee development of key systems engineering products (e.g., system requirements, interface control documentation, architecture packages, technical plans).
• Drive cross-functional technical integration, resolving design conflicts and ensuring alignment across software, infrastructure, cyber, data, and test.
• Lead technical reviews and decision forums; develop trade studies and recommend solution paths based on cost/schedule/risk/performance.
• Establish and enforce requirements quality standards (measurable, testable, traceable) and manage impacts of change requests.
• Mentor junior/mid engineers and implement engineering best practices to improve quality and delivery predictability.
• Provide technical input for program reporting, risk management, and customer briefings.

Do you have what it takes?

• TS/SCI with Poly Required
• Bachelor’s degree in Engineering, IT, Business, or related field; Masters Preferred
• 10+ years of experience.
• Experience serving as a lead/architect on complex integrated systems in mission environments.
• MBSE/SysML and architecture framework proficiency (DoDAF) and familiarity with formal review processes (SRR/PDR/CDR).
• Relevant certifications (e.g., INCOSE ASEP/CSEP, AWS/Azure, Security+), as appropriate to the SOW.
• Preferred Qualifications: Experience serving as a lead/architect on complex integrated systems in mission environments, MBSE/SysML and architecture framework proficiency (DoDAF), and familiarity with formal review processes (SRR/PDR/CDR).

This position is contingent upon program award.

Pay Range

VTG’s estimated starting pay range is $135,000 - $185,000 annually, which is a general guideline for the geographic location. When extending an offer, VTG also considers work experience, education, skill level, market considerations and may possibly include contractual requirements which may cause an offer to fall outside of this range.