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L3Harris Technologies

Information Security Systems Engineer, Level 1

L3Harris Technologies

. Conduct network architecture design, feasibility and modeling.

Posted 4/9/2026full-timeMelbourne • Florida • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
FirewallsSwitching

About the role

Key responsibilities & impact
  • Conduct network architecture design, feasibility and modeling.
  • Configure & harden routers, switches, firewalls, load balancers, and various servers.
  • Work with leading network vendors such as HP/HPE, Cisco, Juniper, and F5.
  • Implement and troubleshoot IP networks.
  • Operate IP tools/technologies/protocols such as NetFlow, TCP and UDP signaling, IS-IS, OSPFv2, OSPFv3, iBGP, eBGP, MPLS Layer 3 VPNs, and Ethernet switching.
  • Produce engineering drawings and technical procedures.
  • Create and maintain documentation and training for engineering team members.

Requirements

What you’ll need
  • Bachelor’s Degree and minimum 6 years of prior relevant experience, or Graduate Degree and a minimum of 4 years of prior related experience, or In lieu of a degree, minimum of 10 years of prior related experience.
  • Juniper Certification (JNCIA) required.
  • Ability to acquire or current Public Trust clearance is required.
  • Ability to obtain DoD 8140.03 certification, or equivalent NIST 800-181 certification within 6 months of hire.
  • Travel as required for integration and test efforts (up to 10%).

Benefits

Comp & perks
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
network architecture designnetwork modelingrouter configurationswitch configurationfirewall configurationload balancer configurationIP network troubleshootingEthernet switchingMPLS Layer 3 VPNsIP protocols
Soft Skills
documentationtrainingteam collaboration
Certifications
Bachelor's DegreeGraduate DegreeJuniper Certification (JNCIA)Public Trust clearanceDoD 8140.03 certificationNIST 800-181 certification