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L3Harris Technologies

Senior Specialist, Systems Engineering

Greenville, TX, United States

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Job details

Apply by: Feb 7, 2027
Posting language: English
Posted: Nov 10, 2026

Original job description

Job Title: Senior Specialist, Systems Engineering

Job Code: 47529

Job Location: Greenville, TX

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

Job Description:

The Senior Specialist, Systems Engineering performs technical planning, system integration, verification and validation, and troubleshooting for total systems and subsystems. The Senior Specialist, Systems Engineering will be part of a team that supports the requirements, design, development, test, and integration of complex, specialized hardware/software systems installed on ground and airborne communication platforms.

Essential Functions:

10% travel based on business needs.
Design, troubleshoot, and recommend network solutions for LAN, WAN, wireless, and hybrid environments.
Configure and troubleshoot servers (hypervisors/virtualization), firewalls, routers, switches, Linux based systems, and various routing protocols.
Understand physical architecture incorporating voice, video, and data capability across multiple security domains
Analyze network performance and availability metrics to identify risks, constraints, and improvement opportunities.
Collaborate with systems engineers, cybersecurity personnel, and program stakeholders to ensure network designs align with security and compliance requirements.
Prepare and maintain technical documentation, including network diagrams, design packages, implementation plans, standards, and configuration guidance.
Develop subsystem specifications, manage requirements traceability, and verify system performance against requirements.
Support integration, test, and deployment activities.

Qualifications:

Active US Secret with ability to obtain/maintain a US TS/SCI security clearance.
Bachelor’s Degree and minimum 6 years of prior systems engineer experience.
Graduate Degree and a minimum of 4 years of prior systems engineer experience.
In lieu of a degree, a minimum of 10 years of prior systems engineer experience.
Demonstrated experience with LAN, WAN, wireless, and hybrid environments.

Preferred Additional Skills

Active DoD Top Secret (SCI) security clearance.
Experience working with subcontractors and U.S. Government customers.
Advanced networking certifications.

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Jobs in the United States