Senior Scientist, Systems Engineer
Company: L3Harris Technologies
Location: Melbourne
Posted on: March 16, 2026
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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: Senior Scientist,
Systems Engineer Job Code: 32411 Job Location: Melbourne, Florida
Job Schedule: 9/80 (Every other Friday off) Job Description: The
Advanced Concept Engineer (ACE) provides strategic technical
leadership to draw on L3Harris' technical competencies to meet the
business needs of L3Harris and its customers. The ACE is the
technical interface between L3Harris and our customers’ engineering
staff, supporting the Business Development staff in the creation of
new business opportunities. The successful ACE will engage with
customer, engineering, operations, and management personnel to
define and document the customer’s CONOPS and requirements, perform
trade studies, engage L3Harris Subject Matter Experts (SMEs) to
architect an affordable solution carrying acceptable risk, and lead
resulting proposal efforts. The ACE considers all of the needs,
resources, and constraints, including the customer mission, budget
limitations, technical preferences, physics boundaries, and the
political climate, in a manner that creates trust in the ACE as
well as L3Harris. During program execution, the ACE is the
technical advocate and voice of the customer during program
reviews. This role requires experience in systems engineering,
system architecture development, competitive assessment, project
engineering management and development program execution. The
Advanced Concept Engineer should be a subject matter expert in
multiple technical domains with an entrepreneurial background. This
individual will work closely with business development and senior
management to respond to customer needs with technical
presentations, white papers and proposals; requests for proposals,
information and broad agency announcements; and provide market and
subject matter expert guidance to business strategy and existing
development efforts. Demonstrated communication and interpersonal
skills, coupled with the ability to work cross-functionally between
a large engineering enterprise and external partners is required.
Essential Functions: Interpretation of customers’ mission needs
with a focus on identifying mission gaps and addressable market
Advocates customer critical needs to internal stakeholders Builds
business cases and manages discretionary resources Roadmaps organic
technology, discretionary funding, external partner capabilities,
and customer funded studies to build new business opportunities
Performs technical and management competitive assessments to
clearly communicate why and how the new business opportunities
provide value to L3Harris and the customer Evaluates customer and
operational needs to help define and coordinate high level system
performance, physical, functional, and program interface
requirements Synthesis and life cycle ownership of mission
architecture Generation of the initial Concept of Operations
(CONOPS) or Operational Descriptions Document (ODD) Generation of
initial system architecture views; decomposing opportunity to
addressable configuration items in a compressive value chain
framework Leads the development of appropriate solutions to
customer needs Demonstrates broad and deep technical knowledge;
accesses Subject Matter Experts (SMEs) as needed Determines whether
requirements can be met with existing capabilities/designs or if
new design requirements must be developed Leads and coordinates
various analyses to optimize total system of systems and/or system
architecture Assess and provide direction for make/buy decisions
and selection of strategic suppliers Establishes the technology
integration or migration strategies Leads and perform trade studies
required to make both tactical and strategic technical decisions
for pursuit Provides technical coordination between customer,
industry, and internal engineering groups to articulate technical
issues Prepares and presents technical information that addresses
specific subjects of interest Analyzes and develops recommendations
to resolve contractual technical issues Maintains a macro view of
L3Harris' existing and emerging technologies Leads and coordinates
pursuit activities such as technical baseline reviews, request for
input (RFI) responses, request for proposal (RFP) responses, and
white papers. Qualifications: Bachelor’s Degree with a minimum of
15 years of prior related experience. Graduate Degree with a
minimum of 13 years of prior related experience. In lieu of a
degree, minimum of 19 years of prior related experience.
Demonstrated experience working with EW systems, including signals
analysis, hardware design approaches, industry best practices, and
techniques against adversary systems. Previous experience executing
DoD/government programs Proven technical business development
skills Excellent written and verbal communication skills Excels in
communication, adeptly translating complex technical concepts for
diverse audiences, including non-technical stakeholders and
cross-functional teams Experience with functional and physical
architecture development Experience collaborating in a team
environment Ability to work autonomously and with others to resolve
technical issues Active Top Secret Security Clearance. Preferred
Additional Skills: Current US Government Top Secret//SCI Security
Clearance Deep expertise in RF Engineering including Ideation,
analysis of alternatives, and link budgets Knowledge of the
requirements and challenges associated with developing counter
communications solutions for man-pack systems. Experience with AI
tools and frameworks for developing intelligent systems and
automating processes Offensive and defensive Cyber mission
experience with the ability to identify core mission gaps and
influence customer solution space Demonstrated entrepreneurial
success Demonstrated quick reaction technical team leadership
experience Previous experience with SOCOM Broad experience working
with and for Department of Defense (DoD), Intelligence Community
(IC) — both domestic and international 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.
Keywords: L3Harris Technologies, Pine Hills , Senior Scientist, Systems Engineer, Engineering , Melbourne, Florida
