Lead, Systems Software Engineer

L3Harris Technologies

Lead Systems Software Engineer at L3Harris Technologies overseeing various programs and proposals. Collaborating with engineers and managing technical planning and analysis activities.

Posted 5/17/2026full-timeRemote • Florida • 🇺🇸 United StatesSenior💰 $127,500 - $236,500 per yearWebsite

Tech Stack

Tools & technologies

AWSCloudKubernetes

About the role

Key responsibilities & impact

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 a FAA Public Trust security clearance.

Requirements

What you’ll need

Bachelor’s Degree and minimum 9 years of prior relevant experience
Graduate Degree and a minimum of 7 years of prior related experience
In lieu of a degree, minimum of 13 years of prior related experience
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.

Benefits

Comp & perks

health and disability insurance
401(k) match
flexible spending accounts
EAP
education assistance
parental leave
paid time off
company-paid holidays

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

technical planningsystem integrationverification and validationcost analysisrisk analysisrequirements allocationfunctional decompositioninterface definitionscloud architecturesoftware specifications

Soft Skills

collaborationmentoringstakeholder engagementcommunicationsystem improvement advocacy

Certifications

AWS Certified Solutions ArchitectAWS Certified Practitioner