2,133,962open jobs
136,450companies
254,946added this week
Browse all
Location
In office (Nashville)
Seniority
Staff · 13+ years exp
Visa
H-1B filings in 12 months: 5

Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 5, 2026. L3Harris Technologies scores A on the Alion truth index.

Overview
Company
Impact
Profile match
L3Harris Technologies is an American defense contractor formed in 2019 by the merger of L3 Technologies and Harris Corporation. It builds tactical radios and military communication systems, electronic warfare and intelligence, surveillance and reconnaissance equipment, space sensors and satellites, night vision devices, and uncrewed surface vessels, and owns the rocket engine maker Aerojet Rocketdyne. Its main customers are the United States Department of Defense and allied governments. The company is headquartered in Melbourne, Florida, United States.

Job Title: Lead, Systems Engineer - Modeling & Simulation

Job Number: 47437

Job Location: Nashville, TN

Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Role is contingent upon Program award

Job Description:

ForceX is seeking an engineer to deliver mission-focused technical solutions from concept through deployment and sustainment. The role partners across disciplines to translate requirements into executable designs that meet performance, cost, and schedule objectives. This Systems Engineering role is focused on product and mission-system engineering, including requirements, architecture, integration, verification, and lifecycle technical execution. This level is a subject matter expert role with comprehensive job-area knowledge and deep project management capability.

The Lead, Systems Engineer - Modeling & Simulation role is focused on digital engineering, performance modeling, data analysis, and data-driven trade studies on VAMPIRE Counter-UAS product lines. The position helps the team understand system behavior, quantify uncertainty, and compare alternatives before committing to downstream design decisions. The role is intended for an engineer who can turn technical questions into structured analytical work and communicate results clearly to the IRAD team.

Essential Functions:

- Develop digital engineering artifacts that support system understanding and decision making.

- Build performance models to evaluate system behavior and sensitivities.

- Perform Monte Carlo analysis to assess uncertainty, margin, and risk.

- Conduct and document trade studies using analytical results.

- Coordinate assumptions, inputs, and outputs with cross-functional engineering stakeholders.

- Translate model results into actionable system-level recommendations.

- Maintain controlled analytical artifacts and supporting technical documentation.

- Execute engineering work products from requirements through verification and technical documentation.

- Collaborate with cross-functional teams to integrate hardware, software, and operational constraints into practical solutions.

- Conduct technical analysis, risk identification, and trade studies to support design decisions.

- Present technical status, issues, and recommendations in formal and informal reviews.

- Contribute to proposal, planning, and execution activities aligned to program milestones.

- Support compliance with customer, regulatory, and security requirements.

- Travel up to 25% to support integration, test, customer engagement, and program execution.

- Support work performed in a classified and or controlled environment.

- Perform technical planning, requirements decomposition, interface definition, and verification strategy for mission systems.

- Execute system integration, validation, and technical baselines across concept, design, fabrication, test, installation, operation, maintenance, and disposal.

- Lead or support design reviews, peer reviews, and technical interchanges.

- Produce and maintain system engineering artifacts including requirements traceability, risk registers, and verification evidence.

-Ability to obtain a US Secret security clearance

- Ensure system designs align with security and government compliance requirements.

Qualifications:

- 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.

- 9+ years of experience in systems engineering methods across full lifecycle activities.

- 9+ years of experience with requirements management, risk management, and system integration and verification practices.

Preferred Additional Skills:

- Bachelor of Science in a STEM discipline preferred; Engineering preferred, Physics, Mathematics, and Computer Science acceptable.

- Demonstrated ability to work effectively in cross-functional engineering teams.

- Model-based systems engineering (MBSE) familiarity.

- Experience with multi-domain mission systems and secure architectures.

- Experience supporting government or defense technical reviews.

- Experience balancing technical, schedule, and cost constraints across system-level decisions.

- Ability to collaborate across software, hardware, mechanical, electrical, manufacturing, and program teams.

- Role scope expectation: Manages large, complex project initiatives of substantial importance with minimal oversight.

- Collaboration expectation: Communicates across organizational boundaries to explain and influence changes to technical practices and approaches

- Professional experience with analysis tool development & CM/DM

- Professional experience with SE analysis tools, such as MATLAB & Python

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,133,962 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Nashville
$122k – $179k per year · In office · 15+ years exp · Bachelor's Degree · Moon Township
MATLAB
MATLAB
Simulink
Chips/EDA
Altium Designer
LTspice
SpaceTech
ANSYS
Apply
$123k – $184k per year · In office · Top Secret · Full-Time · 8+ years exp · Bachelor's Degree · Melbourne
SpaceTech
SysML
Cameo Systems Modeler
MBSE
Apply
$114k – $171k per year · In office · Top Secret · Full-Time · 8+ years exp · Bachelor's Degree · San Diego · El Segundo
Python
Java
C#
C++
MATLAB
DevOps
Azure DevOps
Azure
CI/CD
Git
Bitbucket
GitHub
Cybersecurity
Threat Modeling
SpaceTech
MBSE
Defense
AFSIM
Apply
$130k – $205k per year · In office · 10+ years exp · Bachelor's Degree · Fresno
Analytics
Power BI
Management
Microsoft Project
Apply
$130k – $205k per year · In office · 10+ years exp · Bachelor's Degree · Los Angeles
Analytics
Power BI
Management
Microsoft Project
Apply
$109k – $155k per year · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Nashville · Bellevue · Arlington
Management
SharePoint
Apply
≈ $69k – $131k per year (Estimated) · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Nashville
Apply
Lab Supervisor 1 day ago
≈ $69k – $131k per year (Estimated) · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Nashville
Apply
$109k – $155k per year · Equity · In office · Full-Time · 5+ years exp · Bachelor's Degree · Nashville · Arlington · Bellevue
Apply
Engineer Class 3 2 days ago
In office · Nashville
Apply
See all jobs
This is one of many
2,133,962 more open roles from verified company boards, updated every day.