Lifecycle Systems Engineer — Lead Requirements & Digital Modeling

Consolidated Nuclear Security; Oak Ridge (TN); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical plan

Employer matched 401(k)

Onsite gym facilities

Onsite cafeterias

Job summary

Consolidated Nuclear Security is seeking an experienced Lifecycle Systems Engineer to apply rigorous systems engineering and requirements discipline on Y-12 project activities. You will work across concept, planning, design, execution, and operations, ensuring traceability and verification of requirements while leading cross-functional teams.

The role emphasizes MBSE, model-based analysis, and software tools (DOORS, Genesys, Cameo, and more) within a DOE/NNSA context.

Qualifications

• Bachelor of Science in Engineering/Physical Science from ABET-accredited program or equivalent, with GPA consideration.
• MS in Engineering/Physical Science or PhD in Engineering/Physical Science acceptable.
• Requires DOE Q clearance eligibility (per posting).
• Experience with lifecycle systems engineering and requirement traceability.

Responsibilities

• Serve as the Systems Engineering authority, implementing lifecycle practices per ISO-15288, ISO-29148, DOE 413.3-1, INCOSE.
• Support all project phases from concept to operations with lifecycle support.
• Lead cross-functional teams to implement a Requirements Management structure.
• Create and approve system and requirements documents and analyses.
• Use requirements management software to trace, analyze gaps, and verify closures.

Skills

Systems Engineering

Requirements Engineering

Lifecycle management

Cross-functional collaboration

Technical writing

Model-based systems engineering

MBSE tools

Analytical thinking

Education

ABET-accredited engineering degree

MS in Engineering/Physical Science

PhD in Engineering/Physical Science

Tools

DOORS

Genesys

Cameo

FlexSIM

ExtendSim

Model Center

Job description

Consolidated Nuclear Security is seeking an experienced Lifecycle Systems Engineer to apply rigorous systems engineering and requirements discipline on Y-12 project activities. You will work across concept, planning, design, execution, and operations, ensuring traceability and verification of requirements while leading cross-functional teams.

The role emphasizes MBSE, model-based analysis, and software tools (DOORS, Genesys, Cameo, and more) within a DOE/NNSA context.