Senior Systems Engineer

Talentify; Carmel (IN); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Health Insurance

401(k)

PTO

Paid holidays

Job summary

Theoris Services is seeking a Senior Systems Engineer to join our team in Carmel, IN. The role focuses on reverse engineering legacy systems, extracting and documenting requirements, and maintaining them in IBM DOORS as the single source of truth.

The ideal candidate has 10+ years of systems engineering experience, strong requirements engineering skills, and hands-on DOORS expertise, with MBSE capability and risk-focused test planning.

Qualifications

• 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.

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

Skills

Systems engineering

Requirements engineering

Reverse engineering

Systems thinking

Verification & Validation

Tools

IBM DOORS / DOORS NextGen

ArchiMate

Cameo

Rhapsody

MBSE

Job description

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.