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Sr. Specialist, Network Systems Engineer

Job in Greenville, Hunt County, Texas, 75402, USA
Listing for: Harris Corporation
Full Time position
Listed on 2026-01-02
Job specializations:
  • Engineering
    Systems Engineer, Cybersecurity
Job Description & How to Apply Below

L3

Harris 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. L3

Harris 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.

L3

Harris Technologies is the Trusted Disruptor in the defense industry. 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:

Sr. Specialist, Network Systems Engineering Job Code: 32043

Job Location:

Greenville, Texas

Schedule:

9/80

This position requires an ACTIVE Secret Clearance with the ability to obtain/maintain Top Secret/SCI Security Clearance, which requires U.S. Citizenship.

Job Description

The Senior Specialist, Network Engineer (NE) performs technical planning, system integration, verification and validation, and troubleshooting for total systems and or subsystems. The Sr. Specialist NE is 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
  • Assist in the design and development of physical and logical network architectures incorporating voice, video, and data capability across multiple security domains
  • Maintains networks (both LAN & WAN) connecting airborne and ground systems via terrestrial and BLOS (Beyond Line of Sight) circuits
  • Translate the voice of the customer into system level requirements
  • Perform requirement traceability methods and purpose
  • Assist and or perform systems engineering trade studies
  • Assist in the evaluation of trade studies for accuracy and completeness
  • Write subsystem specifications based on system level requirements
  • Evaluate alternative solutions and establish preliminary system design
  • Review and evaluate diagrams to ensure design details trace to system requirements
  • Develop and execute network test procedures ensuring system performance and capabilities meet system requirements
  • Prepare effective presentations to communicate technical network information to non‑technical professionals
  • Collaborate with multiple disciplines of engineering, to design a cohesive creditable multiple security domain network, and integrate the resulting design in a MILSTD based development environment
Qualifications
  • U.S. Citizenship
  • Ability to obtain/maintain a Top Secret/SCI Security Clearance
  • Bachelor’s Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.
  • Current Cisco Certified Network Associate (CCNA) certification or 4 years equivalent experience.
  • Intermediate knowledge and experience in network (LAN/WAN) design incorporating industry standard security best practices; NIST framework
  • Intermediate network engineering experience including IP addressing, switching and routing, VLANs, VPNs, video teleconferencing, VoIP telephony, and LANs/WANs
  • Intermediate experience in routing protocols including RIP, EGIRP, OSPF, and BGP
  • Certification and Accreditation process and implementation of systems that achieved an Authorization to Operate on government networks
  • DODAF knowledge
  • Configuration, integration, and troubleshooting of routers, switches, voice, and video teleconferencing equipment
  • Excellent written, oral, and presentation communication skills
  • Experience developing, authoring, and implementing software and system test plans in a team environment
  • Experience working successfully both independently and in a team environment with the ability to lead small test teams through an entire build cycle
  • Hands‑on experience with testing, integrating, and verifying software and/or hardware
Preferred Additional Skills
  • Current Cisco Certified Network Professional (CCNP) certification
  • Current Top Secret…
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