Senior Systems Architect & Scientist – TS/SCI with Poly

L3Harris

Chantilly (VA)

On-site

USD 153,000 - 284,000

Full time

14 days+
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Benefits offered by this job

Health insurance
401(k) match
Paid time off
Education assistance
Parental leave
Flexible spending accounts

Job summary

L3Harris is a provider of end-to-end defense tech solutions, seeking a Systems Engineer who will lead multidisciplinary teams in architecting mission-critical systems. The role emphasizes CONOPS, system requirements, and lifecycle artifacts across complex environments.

The candidate will use MBSE practices, interface with customers and product owners, and ensure architectures meet evolving mission needs while communicating plans and status to internal and external stakeholders.

Qualifications

  • Bachelor’s Degree with extensive relevant experience; advanced degree a plus.
  • Active TS/SCI with Poly clearance is required.
  • Experience leading complex mission-system engineering programs.

Responsibilities

  • Guide multidisciplinary teams to deliver mission-critical system solutions.
  • Define system requirements and develop CONOPS and use cases.
  • Architect system designs across full lifecycle.
  • Develop MBSE definitions, evaluation, and validation plans.
  • Communicate design activity plans to stakeholders.
  • Collaborate with Mission Planners and Operational Users.

Skills

Cross-functional leadership
System architecture
ConOps/ODD development
MBSE
Scripting/software troubleshooting
Technical communication

Education

Bachelor's Degree
Graduate Degree

Tools

DOORS

Job description

L3Harris is a provider of end-to-end defense tech solutions, seeking a Systems Engineer who will lead multidisciplinary teams in architecting mission-critical systems. The role emphasizes CONOPS, system requirements, and lifecycle artifacts across complex environments.

The candidate will use MBSE practices, interface with customers and product owners, and ensure architectures meet evolving mission needs while communicating plans and status to internal and external stakeholders.

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