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L3Harris Technologies

Global defense contractor delivering aerospace tech

Senior Specialist - Systems Engineering

System AdministrationUpdated on Nov 14
Full-timeLynchburg, VA, USA

About the Job

Requirements

  • A bachelor's degree and at least six years of prior relevant experience, a graduate degree and at least four years of prior related experience, or at least ten years of prior related experience in lieu of a degree.
  • At least two years of experience working with radio frequency, system design, networking, configuration, or system programming.
  • Experience with virtualization platforms is preferred.
  • Experience with server administration is preferred.
  • Experience with Windows operating systems is preferred.
  • Experience with Red Hat Enterprise Linux or other Linux operating systems is preferred.
  • Experience with networking and cybersecurity technologies is preferred.
  • Tier III/IV troubleshooting skills are a plus.
  • Ability to take on tasks with little to no oversight is preferred.
  • Scripting knowledge and artificial intelligence skills are preferred.
  • Professional certifications such as MCSA, MCSE, VCA6/VCP6, LPIC, Security+, or Network+ are preferred.
  • Ability to manage multiple concurrent project tasks and prioritize them appropriately is preferred.
  • Ability to communicate issues clearly and concisely in less technical terms to management and business stakeholders is preferred.
  • Leadership skills including customer focus, change management, teamwork, diversity, and integrity are preferred.
  • Ability to set priorities and manage to deadlines is preferred.
  • Troubleshooting, communication, and customer service skills are preferred.
  • Ability to proactively resolve problems is preferred.
  • Mentoring capabilities are preferred.
  • Practical hands-on field experience in radio frequency/Land Mobile Radio system design, staging, configuration, and implementation of complex radio systems is preferred.

Responsibilities

  • Provide Tier 3 and Tier 4 technical support to internal teams and external customers.
  • Identify field issues, isolate root causes, and initiate corrective actions for fielded systems.
  • Collaborate with system engineers, program managers, and field engineers on ongoing infrastructure activities.
  • Escalate issues and interface with vendor technical assistance centers to resolve vendor software problems.
  • Apply cybersecurity policies and best practices to support the integrity of Land Mobile Radio system products.
  • Perform standard cybersecurity operations to maintain the security posture of internal and third-party solutions for mission-critical communications customers.
  • Partner with product engineering teams to identify, assess, and address vulnerabilities in company hardware and software.
  • Support the reliability, security, and performance of mission-critical communications systems.
  • Implement, support, define, and design standardized configurations for VMware, Windows, and Linux platforms used within the Land Mobile Radio system.
  • Work with and support internally developed Land Mobile Radio applications and hardware.
  • Participate in discussions with customers, consultants, vendors, subcontractors, and other company personnel as necessary to complete contractual commitments.

Desired Qualifications

  • Experience with virtualization platforms.
  • Experience with server administration.
  • Experience with Windows operating systems.
  • Experience with Red Hat Enterprise Linux or other Linux operating systems.
  • Experience with networking and cybersecurity technologies.
  • Tier III/IV troubleshooting skills.
  • Ability to take on tasks with little to no oversight.
  • Scripting knowledge and artificial intelligence skills.
  • Professional certifications such as MCSA, MCSE, VCA6/VCP6, LPIC, Security+, or Network+.
  • Ability to manage multiple concurrent project tasks and prioritize them appropriately.
  • Ability to communicate issues clearly and concisely in less technical terms to management and business stakeholders.
  • Leadership skills including customer focus, change management, teamwork, diversity, and integrity.
  • Ability to set priorities and manage to deadlines.
  • Troubleshooting, communication, and customer service skills.
  • Ability to proactively resolve problems.
  • Mentoring capabilities.
  • Practical hands-on field experience in radio frequency/Land Mobile Radio system design, staging, configuration, and implementation of complex radio systems.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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