Sr Spec, Network Engineer

Company : L3Harris
Location : Chantilly, VA, 20151
Posted Date : 14 October 2025
Job Type : Other
Category : IT Operations & Helpdesk
Occupation : Network Engineer
Job Details
L3Harris 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. L3Harris 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.
L3Harris 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 Spec, Network Engineer
Job Code: 29600
Job Location: Chantilly, VA
Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off
Job Description:
We are seeking a Senior Network Engineer to join our IT team. As a Senior Network Engineer, you will play a crucial role in maintaining and optimizing our network infrastructure. Your responsibilities will include configuring network equipment, monitoring performance, troubleshooting issues, and ensuring network security.
Essential Functions:
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Design, deploy, and manage scalable, secure, and high-performing network solutions using Cisco and Arista equipment.
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Set up and maintain routers, switches, firewalls, and other network devices.
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Maintain equipment, inventory, IP schema's and network diagrams.
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Implement security protocols, firewalls, and access controls.
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Experience implementing STIG's (Security Technical Implementation Guides) on network equipment.
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Ability to support up to 20% offsite travel.
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Willing to submit to a CI Polygraph.
Qualifications:
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Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
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Active Top Secret/SCI
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CompTIA Security + CE Certification.
Preferred Additional Skills:
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Professional certifications such as CCNA, CCNP, or equivalent Arista certifications preferred.
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Experience with DOD encryption devices.
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Self-motivated, able to switch tasks easily, and work independently.
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Experience with the configuration and ability to manage Solarwinds.
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Strong troubleshooting skills.
#LI-NR1
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English ( or Spanish ( . For information regarding your Right To Work, please click here for English ( or Spanish ( .
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