System Engineer III

VTG Defense; Chantilly (VA); On-site; USD 135,000 - 185,000; Full time

Job summary

VTG Defense in Chantilly, VA is seeking a Systems Engineer III to translate mission needs into system requirements and engineering products. You will coordinate across stakeholders to maintain technical alignment and support design trade studies.

Responsibilities include leading lifecycle engineering, developing key documents, guiding cross-functional integration, and mentoring junior engineers. A TS/SCI with Poly clearance, a bachelor's degree (masters preferred), and 10+ years of experience

Qualifications

• TS/SCI with Poly security clearance.
• Bachelor's degree in Engineering, IT, or related field; Masters preferred.
• 10+ years of systems engineering experience.
• Lead/architect on complex integrated systems in mission environments.
• MBSE/SysML and DoDAF proficiency; familiarity with formal reviews (SRR/PDR/CDR).
• Relevant certifications (e.g., INCOSE ASEP/CSEP, AWS/Azure, Security+).

Responsibilities

• Lead systems engineering across lifecycle: requirements strategy, architecture, interfaces, integration, verification, and baseline management.
• Own development of system requirements, interface control docs, architecture packages, and technical plans.
• Drive cross-functional technical integration across software, infrastructure, cyber, data, and test.
• Lead technical reviews and decision forums; develop trade studies and recommend solution paths.
• 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

Systems engineering

MBSE SysML

DoDAF

Leadership

Stakeholder coordination

Mentoring

Technical reviews

Solution architecture

Education

Bachelor's degree

Masters preferred

Tools

SysML modeling

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.