2358 software system engineer iii jobs found

Refine Search
Refine Search
software system engineer iii
Back to job list
Back

Software System Engineer III

VTG Defense
Apply Now
Chantilly, VA, USA
Sep 20, 2026
Overview

VTG is looking for a Software Expert in Chantilly, VA. Software Expert III serves as a trusted technical advisor to government leadership, providing strategic guidance and oversight across complex software‑intensive programs in a SETA capacity.


What will you do?

  • Provide senior‑level advisory support on software architecture, design, and lifecycle strategy

  • Lead government reviews of contractor software approaches, roadmaps, and deliverables

  • Advise program leadership on software risks, technical debt, scalability, and sustainability

  • Support development of software governance frameworks, standards, and evaluation criteria

  • Participate in senior technical reviews, milestone events, and executive briefings

  • Assess alignment of software solutions with mission objectives and enterprise architecture

  • Mentor junior and mid‑level software experts

  • Support acquisition and source selection activities with technical expertise, as required


Do you have what it takes?

  • TS/SCI with Poly Required
  • Bachelor’s degree required; Master’s preferred
  • 10+ years of experience supporting software‑intensive systems or enterprise platforms
  • Deep understanding of modern software architectures and development lifecycles
  • Proven experience providing technical oversight and advisory support (non‑developer role)
  • Strong leadership, stakeholder engagement, and briefing skills
  • Preferred Qualifications: Experience supporting IC, DoD, or DOJ mission‑critical programs, Experience advising on large‑scale or multi‑vendor software programs, Familiarity with Agile at scale (SAFe), DevSecOps, and cloud‑based architectures

This position is contingent upon contract award.

Pay Range: VTG’s estimated starting pay range is $100,000 - $215,000 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.

  • TS/SCI with Poly Required
  • Bachelor’s degree required; Master’s preferred
  • 10+ years of experience supporting software‑intensive systems or enterprise platforms
  • Deep understanding of modern software architectures and development lifecycles
  • Proven experience providing technical oversight and advisory support (non‑developer role)
  • Strong leadership, stakeholder engagement, and briefing skills
  • Preferred Qualifications: Experience supporting IC, DoD, or DOJ mission‑critical programs, Experience advising on large‑scale or multi‑vendor software programs, Familiarity with Agile at scale (SAFe), DevSecOps, and cloud‑based architectures

This position is contingent upon contract award.

Job ID

9568

Security Clearance

TS/SCI
About VTG Defense
Go to job list