Systems Engineering Specialist

L3Harris Technologies

. Deliver reliable, mission-critical capabilities with high availability, performance, and security .

Posted 11/5/2026full-timeGreenville • Texas • United StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in systems engineering with a strong focus on testing, troubleshooting, and configuring Windows and Linux operating systems. Proficient in managing requirements using tools like DOORS and JIRA, while effectively communicating technical details across teams and stakeholders.

Highest-signal resume keywords

Systems Engineering ExperienceWindows Operating System TroubleshootingLinux Operating System ConfigurationCoding Experience with Python, Perl, and BashCompTIA Security+ Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems EngineeringWindows Operating SystemLinux Operating SystemPython ProgrammingPerl ProgrammingBash ScriptingRequirements ManagementTesting and TroubleshootingSoftware ArchitectureRisk Mitigation

Soft Skills

Effective CommunicationCollaborationProblem SolvingTechnical ExplanationPrioritization

Tools & Technologies

DOORSJIRAKubernetesOpenShiftActive DirectoryLTSEESTSCMSESENTRYRC135 Platform

Certifications & Qualifications

CompTIA Security+ CertificationUS TS/SCI Security Clearance

Industry Keywords

Mission-Critical CapabilitiesHigh AvailabilityPerformanceSecurityField SupportSoftware and Hardware InterdependenciesCIMSIFlight Line Stages

Tech Stack

Tools & technologies

KubernetesLinuxOpenShiftPerlPythonTypeScript

About the role

Key responsibilities & impact

Deliver reliable, mission-critical capabilities with high availability, performance, and security
Collaborate across departments and work primarily with existing infrastructure
Travel worldwide to support regular updates at field locations
Identify and resolve defects and mitigate risk
Prioritize multiple system projects with competing priorities
Test and troubleshoot Windows and Linux operating systems
Explain requirements to developers when needed
Communicate technical details effectively to development teams
Translate complex concepts for management and customer representatives
Address challenging technical issues and evolve software architectures for current and future needs

Requirements

What you’ll need

Ability to obtain and maintain a US TS/SCI security clearance
Willingness to travel 15% based on business needs
Willingness to work weekends and/or evening shifts
Bachelor’s Degree and minimum 4 years of prior systems engineering experience, OR Graduate Degree and minimum 2 years of prior systems engineering experience, OR 8 years of prior systems engineering experience in lieu of a degree
Demonstrated coding experience with Python, Perl, and Bash
Demonstrated experience managing requirements in DOORS or JIRA through all project phases
Ability to obtain and maintain CompTIA Security+ certification
Ability to test, troubleshoot, and configure Windows and Linux operating systems
Basic understanding of software and hardware interdependencies
Basic familiarity with Kubernetes, OpenShift, and Active Directory
Familiarity with L3 Engineering tools such as LTS, EEST, SCMS, and ESENTRY
Understanding of the RC135 platform, CI, MSI, and flight line stages
Current or previous CompTIA Security+ certification is highly desired

Benefits

Comp & perks

9/80 schedule: employees work 9 out of every 14 days, totaling 80 hours, with every other Friday off
Pay differential for weekends and/or evening shifts
Travel opportunities to field locations worldwide
Reasonable accommodation for individuals with disabilities