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Lexicon, Inc Logo Lexicon, Inc · IT - Administration

Network Engineer

United States, Little Rock Employment contract · Job Posted June 28, 2026
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Job Description

The Network Engineer is responsible for the design, implementation, maintenance, and optimization of the company’s network infrastructure. This role supports day-to-day network operations while leading or assisting with infrastructure-related projects. The Network Engineer ensures reliable, secure, and scalable connectivity across all locations and systems. This position works closely with the System Administrator and IT leadership to execute network improvements, support business operations, and maintain system integrity.

Job Responsibility

  • Administer and support LAN/WAN environments, including switches, routers, firewalls, and wireless networks
  • Monitor network performance and availability
  • identify and resolve outages or degradation
  • Maintain and update network configurations, diagrams, and documentation
  • Ensure uptime and reliability across office and jobsite environments
  • Support and execute network and infrastructure projects (upgrades, expansions, site setups)
  • Assist in evaluating, selecting, and implementing network hardware and software solutions
  • Coordinate with vendors and internal stakeholders during project implementation
  • Support network security measures, including firewalls, VPNs, and access controls
  • Assist in implementing security standards and best practices
  • Ensure systems comply with internal IT policies and data protection requirements
  • Diagnose and resolve network-related issues across users, devices, and systems
  • Provide tier 2–3 support for escalated network incidents
  • Collaborate with IT team to resolve cross-functional technical issues
  • Maintain accurate documentation of configurations, changes, and network topology
  • Recommend improvements to network performance, reliability, and scalability
  • Participate in disaster recovery planning and testing

Requirements

  • Bachelor's degree in Information Technology, Networking, or related field (or equivalent experience)
  • 3–5+ years of experience in network administration or engineering roles
  • Strong knowledge of TCP/IP, DNS, DHCP, VLANs
  • Strong knowledge of network hardware (Cisco, Fortinet, or similar)
  • Strong knowledge of Firewalls, VPNs, and network security protocols
  • Experience with network monitoring tools and troubleshooting methodologies
  • Must be legally authorized to work in the United States without need for current or future visa sponsorship

Nice to have

  • Experience supporting multi-site network environments
  • Familiarity with cloud networking (Azure/AWS)
  • CCNA, Network+, or similar networking certification

What we offer

  • Medical Insurance
  • HSA with Employer contributions
  • Dental Insurance
  • Vision Insurance
  • Group and Voluntary Life Insurance
  • Short Term/Long Term Disability
  • Critical Illness Plan
  • Employee Assistance Program
  • Paid Vacation
  • 401(k) with Employer Match
  • ESOP
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