Senior Specialist, Software Engineering
The posting names a Secret clearance.
The posting offers a 9/80, 4/10 or other compressed week. More with a 9/80 schedule
About the role
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 Schedule: 9/80
****
Job Description
L3Harris is seeking a senior software engineer to lead a ground station software component. Lead the development of mission-critical software for satellite ground systems, supporting command and control, telemetry processing, mission planning, automation, simulation, and operator tools. This senior engineering role combines hands-on software design, integration, testing, and performance optimization across secure, reliable, and maintainable ground station capabilities. You will collaborate across the full software lifecycle to deliver solutions that directly support space missions and operational users.
This position is located in Palm Bay, FL: https://careers.l3harris.com/en/florida or
This position is located in Fort Wayne, IN: https://careers.l3harris.com/en/Fort-Wayne
Essential Functions
- Design and implement software for satellite ground systems, including command and control, telemetry and data processing, mission planning, automation, simulation, and operator-facing tools.
- Design, deploy, and sustain secure, scalable software services in Amazon Web Services (AWS) cloud environments, using infrastructure automation, containerized applications, and cloud-native monitoring practices.
- Use AI-assisted engineering tools to improve productivity in coding, integration, test generation, debugging, documentation, and code review.
- Validate all AI-generated output for correctness, security, maintainability, and mission suitability before integration.
- Develop secure, reliable, and maintainable software using modern engineering and DevSecOps practices.
- Integrate software with simulators, hardware interfaces, external services, databases, and mission support systems.
- Write automated unit, integration, and system tests, including negative and failure-mode scenarios.
- Support system architecture, interface definition, troubleshooting, integration issue resolution, and performance tuning.
- Analyze and decompose requirements for program reviews such as Preliminary and Critical Design Reviews.
- Travel no more than 10%
Qualifications
- Bachelor’s Degree and a 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
- Secret security clearance
- Space to Ground experience in one of these areas: Mission Planning and Scheduling (MPS), Tracking, Telemetry and Commanding (TT&C), Flight Dynamics/Spacecraft Navigation (FDS/SCN), Mission Data Processing (MDP)
- Experience developing in Python
- Experience working across requirements, implementation, integration, verification, and sustainment.
- Experience building or sustaining software in Linux and containerized development environments.
- Experience with APIs, distributed systems, messaging or data flows, simulator or hardware integration, and automated test.
Preferred Additional Skills
- CompTIA Security+
- AWS Certified Developer
#LI-KB1
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 .
Copied from the listing L3Harris published, verified 31 Oct 2026.
About L3Harris
Satellites, space sensors and rocket engines, inside a defense and aerospace prime.
Similar open roles

Manager, Information Security Management (opens the job details)
SES · Software & IT · Bucharest, Romania· 1d agoDetails

Security Officer (opens the job details)
Blue Origin · Supply Chain · Greater Seattle Area· 2w agoDetails
$21.03–$29.44/hr
Dream Chaser Flight Controller (Systems Engineer II) (opens the job details)
Sierra Space · Launch & Ops · Louisville, CO, United States· 4mo agoDetails
$94,090–$129,394.75/yr

Chief Information Security Officer (CISO) (opens the job details)
Ursa Major · Software & IT · Longmont, Colorado, United States· 1w agoDetails
$240,000–$300,000/yr
Experienced in Ground Software & IT?
Space employers come to us looking for a particular skill, location or credential. Leave your details one time, at no cost, and we put you forward when a role matches, never without your yes.
L3Harris openings, sent to your inbox
Each week we send what L3Harris posted since the last email, with comparable openings at other space companies. No cost, and you can stop it with one click.
Hiring for L3Harris? Feature this role to get a marked Featured slot above the lists and the lead place in the weekly job email for 30 days. Pricing:$99 for a single role, or $299 to cover every role you have open. To see who else is hiring your disciplines and at what pay, read the monthly space hiring brief.