Full Time: Systems Engineering Senior

Job Title: Senior Systems Engineer
Location: Carmel, IN
Industry: Utilities
Job Description
Theoris Services is assisting our client in their search for a Senior Systems Engineer to add to their growing team. This role will focus on reverse engineering legacy systems for an internal project. The engineer will extract and document system requirements from existing artifacts and source code, build end-to-end test plans, and ensure all requirements are properly captured and maintained in DOORS as the single source of truth.
Responsibilities
Reverse engineer legacy source code and artifacts to extract and formalize missing system requirements
Develop and maintain comprehensive requirements documentation in IBM DOORS / DOORS NextGen
Create end-to-end test plans and support verification & validation activities
Perform data validation and ensure requirements traceability
Organize and improve requirements practices, applying systems thinking to help the team adopt better processes
Support the project with potential assignments to other related or adjacent projects as needed
Requirements

• 10+ years of Systems Engineering experience
• Strong background in requirements engineering and reverse engineering from legacy code/artifacts
• Hands-on experience with IBM DOORS or DOORS NextGen
• Demonstrated ability to create structured requirement sets from informal or incomplete inputs
• Experience with Verification & Validation and test planning
• Excellent systems thinking and ability to drive clarity in ambiguous environments

Desired
CSEP certification
Experience with Model-Based Systems Engineering (MBSE) and tools such as ArchiMate, Cameo, or Rhapsody
AI experience for reverse engineering or requirements extraction
Prior energy/utilities or mission-critical systems experience
Best-In-Class-Benefits
We are in the people business; treating people right is our ONLY priority. Theoris Services consultants are full-time employees with full benefits, including:

• Robust Health Insurance
• 401(k) plan

~ PTO

~ Paid holidays

About Theoris
Our goal is to Fuel Your Career! As a Theoris team member, you join a culture based on people-centered values and an environment that fosters both personal and professional growth. We build long-term relationships with our clients and our consultants. With over 30 years of building strong relationships in the industry, we’re uniquely positioned to make the right connections. This knowledge is used to find the right job placement. Our recruiting teams are experts dedicated to the information technology and engineering staffing space and are highly respected by our client base.
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