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Senior Specialist, Systems Engineer (Active DoD Secret Security Clearance Required)

Ashburn, Virginia

Job ID 10994
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L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 50,000 employees, with customers in more than 100 countries.

Job Title: Senior Specialist, Systems Engineer (Active DoD Secret Security Clearance Required)

Job Code: 10994

Job Location: Ashburn, VA

Job Description:

As the Senior Specialist, Systems Engineer, you will be responsible for hardware and software requirements definition, decomposition, allocation, management, verification, and validation of technical products and systems.  You will also be responsible for conducting component trade studies, performing system integration, and characterizing system performance.

The Agile Development Group (ADG) specializes in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems, next-generation weapon systems, and other RF sensor technologies using small company agility and big company experience.

Essential Functions:

  • Responsible for requirements definition, flow-down and traceability for complex electronic systems embracing agile product systems and software development and model-based systems engineering (MBSE) processes to enhance development speed and quality; Leads the execution of rapid learning cycles in requirements development, design, build, integration & test and verification & validation in a design-to-cost and design-for-manufacturability environment
  • Develop, track and present technical performance metrics
  • Help perform risk assessment and develop mitigation strategies for complex projects
  • Execute system integration and engineering test efforts
  • Develops or champions new systems, concepts, or technologies.
  • Responsible for improving upon existing Systems Engineering processes
  • System design synthesis of complex electronic systems to include processes and interfaces in testing
  • Perform trade studies on a variety of systems and components
  • Perform design verification testing efforts including lab, chamber, ground and flight test
  • Analyze data from design verification test efforts
  • Develop and run simulations and other analysis tools to predict system performance in various environments
  • Present results during internal and external program meetings
  • Participate in proposal activities both cost and technical
  • Maintenance of DoD security clearance as required
  • Lifting of up to 20 lbs
  • 10% travel may be required
  • Other duties as required


  • Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
  • Active DoD Secret security clearance with current 5-year update.
  • System level design experience in which the applicant has been involved in the design and integration of complex hardware/software systems, the definition of multiple interfaces and been involved in the trades of multiple solution options.
  • Hands on experience being involved in system integration, engineering testing, and system performance characterization.

Preferred Additional Skills:

  • Experience with and an understanding of aerospace systems, especially in the development of integrated hardware/software products
  • Experience leading a small team to complete assigned program tasking
  • Experience with Model Based Systems Engineering
  • Experience with Matlab, LabView, Python, or C/C++/C#
  • Experience in Control Account Management as part of an Earned Value Management System
  • Experience in unmanned aircraft or guided weapon systems
  • Experience with requirements management using DOORS
  • Experience with proposal development including generating basis of estimates
  • Experience in development of use cases developed from customer objectives and concepts of operations
  • Experience using Microsoft Office products
  • Excellent people skills to include collaborating in a multi-disciplinary, diverse, and dynamic team environment
  • Excellent communication skills (written, verbal, & presentation)

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your résumé for this position, you understand and agree that L3Harris Technologies may share your résumé, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is proud to be an Affirmative Action/Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

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