Demo

SYSTEMS ENGINEER III

Phoenix Defense
Orlando, FL Full Time
POSTED ON 6/3/2026
AVAILABLE BEFORE 8/3/2026

At Phoenix Defense, our team members have incredible opportunities to work on state-of-the-art modeling and simulation programs that prepare the nation’s armed forces to protect and serve our country and allies throughout the world. We look for people who have bold new ideas, courage, and an entrepreneurial spirit to join forces to create the future while having fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. With every job we fill, our focus is on providing best in class service to our customers while offering the opportunity for professional growth in a rewarding and innovative work environment. We have an exciting opportunity for a highly motivated professional to fill the position of Systems Engineer III.

WHAT YOU WILL DO:

The System Engineer reports to the Lead Systems Engineer (JLCCTC) and performs high-level computer systems analysis; evaluation, design, integration, documentation, and implementation of very complex applications that require a thorough knowledge of administrative and technical skills.  Additionally, this position will be assigned other projects or tasks in alignment with the level and scope of the position.

  • Engage professionally and effectively with senior management and DoD customers.
  • Engage with stakeholders to develop system architectures, designs, and interface definitions.
  • Serve as focal point for the development and communication of a comprehensive, integrated, and executable system architecture.
  • Model architectures of complex system of systems using standards-based languages (ex. SysML / UML) within a Model Based System Engineering (MBSE) tool.
  • Perform system requirements analysis and derivation, and manage requirements traceability and coverage.
  • Direct and participate in all phases of system development with emphasis on requirements analysis, design, integration, testing and acceptance phases.
  • Identify information technology project resource requirements.
  • Verify stability, interoperability, portability, security, or scalability of system architecture.

ABOUT YOU:

  • Bachelor's degree in field related to computer or information science discipline.
  • Minimum of Five (5) years of experience supporting IT projects/programs.
  • Experience working in an Agile development environment.
  • Have significant java and/or C experience.
  • Experience designing and developing system architectures, including complex systems and systems design activities.
  • Experience modeling systems in UML/SysML.
  • Experience with systems architecture documentation using Enterprise Architect or other MBSE tools.
  • Experience decomposing customer requirements into actionable system requirements.
  • Highly proficient written and oral communication skills.
  • Demonstrated capability to communicate clearly - verbally, textually, and graphically - to technical and non-technical stakeholders.
  • Holds a current minimum DOD Secret security clearance. 
  • Experience with constructive simulation is a plus.
  • Experience with DevSecOps/Cloud is a plus.

KNOWLEDGE SKILLS ABILITIES AND OTHER CONTRIBUTIONS:

  • Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
  • Ability to identify measures or indicators of system performance and the actions needed to improve or correct performance, relative to the goals of the system.
  • Ability to process information: compiling, coding, categorizing, calculating, tabulating, auditing, or verifying information or data.

BENEFITS:

  • 401K
  • Medical, dental, vision, and life insurance
  • Accrued PTO and 10 paid holidays
  • Tuition assistance for professional growth
  • Perks at work program

Salary.com Estimation for SYSTEMS ENGINEER III in Orlando, FL
$107,225 to $125,834
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