Systems Engineer Level 5 (TS/SCI Clearance with Full Scope Poly Required)

J&T Business Consulting; Annapolis (MD); On-site; USD 165,000 - 198,000; Full time

Job summary

J&T Business Consulting in Annapolis, MD seeks a senior Systems Engineer (Level 5) with active TS/SCI clearance and polygraph to lead enterprise-level systems engineering across all lifecycle phases. The role focuses on MBSE leadership, architecture development with DoDAF/FEAF, and direct interface with government stakeholders.

You will manage technical risks, ensure deliverable quality, and coordinate with program leadership and executives.

Qualifications

• Active TS/SCI clearance with polygraph.
• Minimum 15–19 years of systems engineering experience depending on degree.
• Experience with ISO/IEC 15288 process areas and DoDAF/FEAF frameworks.
• Proficiency in MBSE, SysML, and architecture frameworks.

Responsibilities

• Apply advanced systems engineering across all lifecycle stages per ISO/IEC 15288.
• Lead MBSE activities and develop system models, diagrams, and architecture artifacts.
• Develop architectures aligned with DoDAF and/or FEAF frameworks.
• Oversee requirements definition, system decomposition, architecture design, verification and validation, and transition to operations.
• Interface with government stakeholders, executives, and program leadership.
• Track project workflows and deliverables using Jira.

Skills

MBSE

SysML

Jira

DoDAF/FEAF

Architecture modelling

Education

Bachelor’s degree in Engineering or related field

Master’s degree in Engineering or related field

Ph.D. in Engineering or related field

High School Diploma / GED + 19 years of experience

Tools

Cameo Systems Modeler

Jira

Job description

Systems Engineer Level 5 (TS/SCI Clearance with Full Scope Poly Required)

Annapolis, United States | Posted on 09/18/2026

Clearance Requirement: Active TS/SCI with Polygraph

Salary Range: $165,000 - $198,000 / year (dependent on experience, education, and skill set)

About the Role

Seeking a senior Systems Engineer (Level 5) to deliver enterprise-level systems engineering leadership across all lifecycle phases-Concept, Development, Production, Utilization, Support, and Retirement-in Annapolis Junction, MD.

In this role, you will maintain primary responsibility for the technical integrity, completeness, and quality of systems engineering deliverables aligned with ISO/IEC 15288 process areas. You will direct technical architecture development using Model-Based Systems Engineering (MBSE) methodologies, guide defense acquisition processes, manage technical risks, and interface directly with government stakeholders, senior executives, and program leadership.

Key Responsibilities

Apply advanced systems engineering principles across all lifecycle stages in accordance with ISO/IEC 15288 framework areas (Technical, Project, Enterprise/Project-Enabling, and Agreement).

Lead Model-Based Systems Engineering (MBSE) activities, developing system models, diagrams, and architecture artifacts using Cameo Systems Modeler and SysML.

Develop, assess, and manage architectures aligned with DoDAF and/or FEAF frameworks.

Oversee stakeholder requirements definition, system decomposition, architecture design, verification, validation, and operational transition.

Manage project and decision processes, including risk management, configuration baselines, interface definitions, and system metrics.

Track project workflows, tasks, and deliverables using Jira.

Serve as the primary technical advisor and liaison to government overseers, customer representatives, and executive stakeholders regarding systems engineering considerations and technical conflict resolution.

Required Qualifications & Experience

Security Clearance: Active TS/SCI with Polygraph.

Education & Experience:

High School Diploma / GED plus at least 19 years of general systems engineering experience, OR

Bachelor’s degree in a Qualified Engineering Field or related discipline plus at least 15 years of systems engineering experience, OR

Master’s degree in a Qualified Engineering Field or related discipline plus at least 13 years of systems engineering experience, OR

Ph.D. in a Qualified Engineering Field or related discipline plus at least 13 years of systems engineering experience.

Frameworks & Standards: Demonstrated experience with ISO/IEC 15288 process areas and the Defense Acquisition System lifecycle.

Architecture & MBSE: Hands-on technical proficiency with Cameo Systems Modeler, SysML, and DoDAF or FEAF architecture frameworks.

Tools: Hands-on experience using Jira for issue tracking, agile tasking, and project management.

Benefits & Compensation

This position offers a comprehensive benefits package designed to support employees both personally and professionally:

• Comprehensive Health, Dental, and Vision Insurance
• Basic Life and Disability Insurance
• Paid Time Off (PTO) and Paid Holidays
• 401(k) Retirement Plan with Company Match
• Tuition Reimbursement for continued education and professional certifications

An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected under federal, state, or local law.