Senior Defense Systems Engineer & MBSE Lead

Actalent; Tucson (AZ); On-site; USD 83,000 - 103,000; Full time

Benefits offered by this job

Medical

Dental & Vision

Critical Illness

Accident & Hospital

401(k) Retirement Plan

Pre-tax and Roth post-tax options

Life Insurance

Short and Long-term Disability

Health Spending Account

Transportation benefits

Employee Assistance Program

Time Off/Leave

Job summary

Actalent is seeking a Systems Engineer in Tucson, AZ, to design, develop, integrate, and maintain complex defense systems. You will translate requirements into complete system solutions, guide technical teams, and ensure compliance with defense standards in a fast-paced, collaborative setting.

Responsibilities include system analysis, interface definition, testing, and leading technical reviews to mitigate risks and drive innovation through MBSE, model-based approaches, and cross-discipline

Qualifications

• 12+ years of defense systems engineering experience.
• Experience in requirements development and management.
• Ability to manage cross-disciplinary teams across electrical, mechanical, software, GNC, and manufacturing.
• MBSE familiarity with SysML or equivalent.
• Configuration management experience and baselines control.
• Participation in formal technical reviews: SRR, PDR, CDR, TRR, Stage Gate.
• Strong analytical and problem-solving abilities for trade studies and timeline analyses.
• Ability to work in a fast-paced environment with multiple priorities.
• Ability to obtain necessary security clearances.

Responsibilities

• Lead and convert customer and product requirements into system solutions within constraints.
• Perform functional and timeline analyses, trade studies, and requirements allocation.
• Troubleshoot system issues with cross-functional teams to identify root causes and fixes.
• Provide technical guidance on automation, modeling, simulation, software architectures, and integration.
• Conduct system integration and testing to verify functionality, performance, and security.
• Coordinate reviews such as SRR, PDR, CDR, TRR, and Stage Gate; assist with closeout.
• Identify technical risks and cost impacts; contribute to mitigation strategies.
• Ensure compliance with defense standards, regulations, and best practices.
• Support rapid development activities and continuous process/tool improvements.

Skills

12+ years defense systems engineering

Requirements development & management

Cross-disciplinary collaboration

System design, prototyping, modeling &

Interface definition & diagrams (elect

System integration, testing, V&V

Strong written & spoken communication

Security clearances eligibility

Education

Bachelor's degree in engineering/science/related field

Tools

MS Word

MS Excel

MS Visio

MS Project

Job description

Actalent is seeking a Systems Engineer in Tucson, AZ, to design, develop, integrate, and maintain complex defense systems. You will translate requirements into complete system solutions, guide technical teams, and ensure compliance with defense standards in a fast-paced, collaborative setting.

Responsibilities include system analysis, interface definition, testing, and leading technical reviews to mitigate risks and drive innovation through MBSE, model-based approaches, and cross-discipline