
Sr. Specialist, Systems Engineer (Top Secret Clearance Required)
Melbourne, FLFull-time$93–172K/yrSeen todaySeen in employer's feed today
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
L3Harris seeks a self-motivated, organized Systems Engineer to support a customer-facing role in a secure SCIF environment. The engineer will manage requirements and create systems engineering documentation throughout the program lifecycle, support test events, and collaborate with software engineers in an Agile environment. The role requires an active TS/SCI clearance and offers a 9/80 schedule.
Skills & qualifications
Skills
Qualifications
Benefits
Full 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: Systems Engineer, Sr. Specialist
Job Code: 47604
Job Location: Rochester, NY; Melbourne, FL; Greenville, TX
Job Schedule: 9/80 (Every Other Friday Off)
Job Description:
We are seeking a self-motivated, organized Systems Engineer to support a customer-facing role in a secure SCIF environment with an active TS/SCI clearance. The position involves managing requirements and creating systems engineering documentation throughout the program’s lifecycle, supporting test events, and collaborating with software engineers in an Agile environment.
Essential Functions:
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Support a full-time on-site work schedule within a SCIF environment
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Serve in a direct customer/user-facing role, ensuring effective communication and coordination with stakeholders.
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Engage with customers and end users to gather, define, and document use cases and requirements.
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Generate and manage system and subsystem-level requirements specifications using requirements management tools, ensuring accuracy and completeness throughout lifecycle
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Leverage interpersonal, communication, and problem-solving skills to foster cross-functional teamwork and resolve technical challenges effectively.
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Support enterprise test events, including preparation, execution, follow-up actions, and participation in daily standup meetings.
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Contribute to systems engineering documentation and program artifacts to support technical and programmatic objectives.
Qualifications:
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Active TS/SCI Clearance
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Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
Preferred Additional Skills:
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Knowledgeable in Atlassian tools, including JIRA and Confluence.
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Experience with MBSE documentation.
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Prior experience supporting customer-facing systems engineering efforts.
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Familiarity with Agile software development and enterprise test support activities.
In compliance with pay transparency requirements, the salary range for this role in the states of New York, Florida, and Texas is $92,500-$171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
#LI-ZB2
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 (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRights\_10\_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088\_EEOC\_KnowYourRightsSp\_10\_20.pdf) .
How this job compares
Set against the 11,834 open Systems Engineer jobs on Olive Jobs, counted November 11, 2026.
- Pay
- This posting$93–172K/yr
- Florida median$98–166K/yr214 salary ranges
- US median$115–189K/yr8,916 salary ranges
This range's midpoint, $132K, is close to the Florida median midpoint ($132K) — in the middle half of Systems Engineer salary ranges in Florida.
- Openings
- Olive Jobs lists 331 open Systems Engineer jobs in Florida and 11,834 across the US. 5% of them nationwide are listed as remote or flexible.
- Hiring the most in Florida
- Lockheed Martin51 open
- L3Harris (this employer)36 open
- Northrop Grumman31 open
- Experience
- This posting asks for at least 6 years of experience; Systems Engineer postings that state a minimum ask for 5 years at the median (9,745 postings).
- Education
- 4,398 of the 11,834 open Systems Engineer jobs (37%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 11, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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