Lead, Systems Software Engineer

L3Harris Technologies
Melbourne, FL

L3Harris is dedicated to recruiting and developing 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 is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Lead, Systems Software Engineer

Job Code: 36860

Is this the next step in your career Find out if you are the right candidate by reading through the complete overview below.
Job Location: Melbourne, FL
Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Position Overview:
L3Harris, Mission Networks, is seeking a Systems Engineer to join our team as a Lead Systems / Software Engineer supporting various programs, IRADs and proposals. This role will be for leading various programs, IRADs and proposals assigned to you by providing strong traditional Systems Engineering Development Life Cycle (SDLC) rigor through all phases of the project. This includes working closely with Software and Network Engineers to design and architect solutions, capture and document requirements, design artifacts, and presenting at various milestone gate reviews using L3Harris Technologies process.

Essential Functions:

  • Conducts technical planning and analysis activities throughout all phases of the software, network, and/or cloud system lifecycle, from concept through to delivery.
  • Author and conduct Program Gate reviews such as SRR, SDR, PDR, CDR, and TRR.
  • Overseas system integration activities with SI&T leader to ensure cohesive operation across software modules and cloud infrastructure.
  • Develops, maintains, and documents Interface Control Documents (ICDs) to clearly define and manage software and cloud subsystem interfaces.
  • In concert with SI&T Leader manage verification and validation processes to confirm that cloud-based and software-centric systems meet all functional and performance requirements.
  • Performs cost, risk, supportability, and effectiveness analyses with a focus on scalable and maintainable cloud architectures.
  • Translates customer and stakeholder requirements into comprehensive system solutions, considering technical, schedule, and cost constraints.
  • Executes functional decomposition, requirements allocation, and detailed trade studies to define hardware and software specifications for software and cloud systems.
  • Develops and maintains interface definitions between software services, cloud resources, and any hardware elements.
  • Collaborates with cross-disciplinary teams during design, implementation, and testing to ensure requirements traceability and system integrity.
  • Supports installation, operation, and maintenance planning for cloud-hosted software products, ensuring long-term supportability and security.
  • Identifies opportunities for system improvement and advocates for best practices in software architecture and cloud platform utilization.
  • Ability to obtain and maintain FAA Public Trust.

Qualifications:

  • Bachelor’s degree in Software, Computer Science, Network Engineering or a related field and minimum 9 years of prior relevant experience, or Graduate Degree in Systems or Software Engineering or a related field and a minimum of 7 years of prior related experience.
  • In lieu of a degree, there is a minimum of 13 years of prior experience in Design for Cloud-based Software projects, design and architecture or resilient networks or related.

Preferred Additional Skills:

  • Experience supporting defense, intelligence, or aviation programs.
  • Experience in the use of Model-Based Systems Engineering (MBSE) tools such as CAMEO or other applications leveraging SYSML.
  • Certifications such as, AWS Certified Solutions Architect, or AWS Certified Practitioner.
  • Familiarity with Kubernetes platform for Cloud systems.
  • Experience working in an Agile SW development process.
  • Hands-on experience leading cross-functional teams, mentoring engineers, and engaging stakeholders.
  • Excellent written and verbal communication skills; experience generating system documentation and security packages.

#Li-DK2

L3Harris Technologies is proud to be an 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.

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 resume for this position, you understand and agree that L3Harris Technologies may share your resume, 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 an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. xrczosw For information regarding your Right To Work, please click here for English or Spanish.

Posted 2026-06-15

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