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System Software Engineer Jobs in Florida (NOW HIRING)

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System Software Engineer information

See Florida salary details

$62K

$132.8K

$153.9K

How much do system software engineer jobs pay per year?

As of Jun 8, 2026, the average yearly pay for system software engineer in Florida is $132,808.00, according to ZipRecruiter salary data. Most workers in this role earn between $129,300.00 and $153,200.00 per year, depending on experience, location, and employer.

What does a System Software Engineer do?

A System Software Engineer designs, develops, tests, and maintains the core software that enables computer hardware and system applications to function. This includes operating systems, device drivers, firmware, and other low-level software that interacts closely with hardware components. Their work ensures that systems run efficiently, securely, and reliably. They often collaborate with hardware engineers and application developers to optimize performance and troubleshoot complex technical issues.

What are the key skills and qualifications needed to thrive as a System Software Engineer, and why are they important?

To thrive as a System Software Engineer, you need strong programming skills in languages like C, C++, or Rust, a deep understanding of operating systems, and typically a bachelor’s degree in computer science or a related field. Familiarity with low-level debugging tools, version control systems (such as Git), and kernel development environments is essential. Analytical thinking, problem-solving ability, and effective teamwork are standout soft skills in this role. These competencies are crucial for building reliable, high-performance system software that underpins critical applications and infrastructure.

What is the difference between System Software Engineer vs Software Developer?

AspectSystem Software EngineerSoftware Developer
CredentialsBachelor's in Computer Science or related field; often some experience with systems programmingBachelor's in Computer Science or related field; focus on application development
Work EnvironmentDesigning and maintaining operating systems, firmware, or system-level applicationsCreating user-facing applications, websites, or mobile apps
Industry UsageTech companies, hardware firms, embedded systemsSoftware firms, startups, enterprise applications
Search & Comparison IntentUnderstanding roles related to system-level programmingLooking for application or web development roles

System Software Engineers focus on developing and maintaining system-level software like operating systems and firmware, requiring knowledge of hardware and low-level programming. Software Developers typically create applications and user-facing software, emphasizing higher-level programming skills. Both roles often share similar educational backgrounds but differ in their work focus and environment.

What are some common challenges System Software Engineers face when working on large-scale projects?

System Software Engineers working on large-scale projects often encounter challenges such as maintaining system stability while integrating new features, ensuring compatibility across diverse hardware platforms, and optimizing performance under heavy workloads. Coordinating with cross-functional teams, such as hardware engineers and application developers, is essential to address these complexities. Additionally, they must stay updated with evolving technologies and adhere to rigorous testing and debugging practices to prevent system failures.
What are popular job titles related to System Software Engineer jobs in FL? For System Software Engineer jobs in FL, the most frequently searched job titles are:
Infographic showing various System Software Engineer job openings in Florida as of May 2026, with employment types broken down into 91% Full Time, 1% Part Time, 1% Temporary, 6% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $132,808 per year, or $63.9 per hour.
Lead, Systems Software Engineer

Lead, Systems Software Engineer

L3Harris Technologies

Melbourne, FL • On-site

Full-time

Posted 15 days ago


Job description

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: 38236

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. For information regarding your Right To Work, please click here for English or Spanish.

Employment Type: Full-Time