Senior Principal Systems Engineer - Electro Optics - Part Time


Bridgeton, MO, US, 63044

Job ID: 109987 


The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 3 year running Top Workplace in the Greater St. Louis area.  

Job Summary

Leonardo DRS Land Systems is seeking an experienced Part Time Systems Engineer, level V, for our Bridgeton, MO facility.  This position will lead the development and integration of Electro-Optical (EO) system payloads into Mission Equipment Packages (MEPs) to increase combat capability, lethality, and survivability of legacy and next-generation combat vehicles.  This position would also be responsible for directing technical activities for the systems engineering, integration, and test of new and/or existing electro-optical systems/sub-systems.  The successful candidate will provide technical expertise and communicate effectively with engineering and management stakeholders while operating in an integrated product team environment.  This role is expected to work 15-20 hours per week

Job Responsibilities

  • Perform systems engineering and requirements management throughout the product lifecycle:
    • Architectural design
    • Requirements Engineering
    • Systems Engineering documentation
    • Risk management
    • Verification and validation
  • Design EO (Electro-Optics) sensors/systems to include performing sensor selection trade studies
  • Conduct/support EO (Electro-Optics) sensor modeling to predict system performance during the design phase
  • Support the selection of EO (Electro-Optics) image chain components (sensor through processor to display)
  • Employ EO (Electro-Optics) sensor performance testing techniques (including ruggedization techniques and design practices)
  • Employ EO (Electro-Optics) sensor bore sighting methodologies
  • Guide the technical activities of electrical, mechanical, and software engineers to develop and deliver an EO-based systems that meet the system requirements and customer’s expectations
  • Support efforts to ensure the team identifies, mitigates, and resolves program risks and issues starting early in the development cycle
  • Lead problem resolution efforts and support attaining or regaining customer confidence

Job Responsibilities Part II

  • Participate in the preparation of highly technical proposals
  • Provide labor estimates and schedule input for design assignments
  • Support the evaluation of EO (Electro-Optics) suppliers and writing supplier specifications for acquiring EO components, subsystems, and services
  • Responsible for completion of activities on time and budget
  • Drive the program design to cost and design for manufacture requirements.
  • Be proactive in continuously improving processes and efficiency.
  • Provide technical knowledge and assistance to other engineers and support personnel
  • Mentor and coach other engineers.
  • Communicate clearly (written and verbal) with manufacturing, supply chain, program management and the customer as required
  • Interact with technical management, other professionals, technicians and support personnel to coordinate, recommend and confer regarding technical activities and progress


  • Master’s degree in Engineering, Physics, Optics, Optoelectronics, or related discipline or equivalent combination education and experience
  • Minimum of 10 years of systems engineering experience
  • Experience with integration & testing of EO (Electro-Optics) imaging systems
  • Solid understanding of other engineering disciplines (electrical, mechanical, software, test, system safety, human factors)
  • Experience working within the defense industry and delivering solutions to the appropriate standards
  • Excellent analytical and communication skills, both written (reports, proposals, white papers) and verbal (technical presentations)

Taking care of our people is a top priority at Leonardo DRS. We are proud to offer competitive salaries and comprehensive benefits, including medical, dental, and vision coverage, a company contribution to a health savings account, telemedicine, life and disability insurance, legal insurance, and a 401(k) savings plan. We champion wellness programs that focus on physical, emotional, and financial well-being. We develop our talent by offering programs and activities to support career-growth, professional development, and skill enhancement. And we understand there is more to life than work, and the importance of offering flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours. 
*Some employees are eligible for limited benefits only


Leonardo DRS, Inc. and its subsidiaries and affiliates are equal opportunity employers and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability status, protected veteran status, or any other characteristic protected by law. #LSY

Our Mission

To build shareholder value through a commitment to high ethical standards and a superior performance culture focused on customers, employees, financial results and corporate citizenship.

Our Vision

To be the leading mid-tier defense technology company in the U.S.

Our Values

The DRS culture is defined by our Core Values and Principles: 

- Integrity
- Agility
- Excellence
- Customer Focus
- Diversity, Equity & Inclusion
- Innovation

We strive to uphold them in all aspects of our business practices to inspire our employees and provide outstanding support for our customers.

Leonardo DRS, Inc. is committed 
to building a diverse and inclusive workplace where everyone feels valued.  We are committed to building a workplace where equal employment opportunities are available to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by applicable law. At Leonardo DRS, we believe that a diverse and inclusive environment makes us a stronger Company. We embrace different points of view, respect one another in the workplace, and understand that an inclusive environment furthers creativity, innovation, and business performance. 

For additional information on  Leonardo DRS, please visit our website at

Nearest Major Market: St Louis