Network Engineer

Lexicon offers a unique combination of capabilities. Our services include construction management, fabrication, erection, mechanical installation, and plant maintenance for heavy industrial, commercial, and roadway projects, as well as a full spectrum of golf course construction and management services. Position Summary 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. Essential Duties And Responsibilities Network Infrastructure & Operations 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 Project Execution 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 Security & Compliance 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 Troubleshooting & Support 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 Documentation & Continuous Improvement Maintain accurate documentation of configurations, changes, and network topology Recommend improvements to network performance, reliability, and scalability Participate in disaster recovery planning and testing Qualifications Education & Experience Bachelor’s degree in Information Technology, Networking, or related field (or equivalent experience) 3–5+ years of experience in network administration or engineering roles Experience supporting multi-site network environments preferred Technical Skills Strong knowledge of: TCP/IP, DNS, DHCP, VLANs Network hardware (Cisco, Fortinet, or similar) Firewalls, VPNs, and network security protocols Experience with network monitoring tools and troubleshooting methodologies Familiarity with cloud networking (Azure/AWS) preferred Certifications (Preferred) CCNA, Network+, or similar networking certification You must be legally authorized to work in the United States for our company without the need for current or future visa sponsorship. Note: The company does not provide employment visa sponsorship. Physical Demands Prolonged periods sitting at a desk and working on a computer. Ability to travel to job sites, field locations, and other company facilities as needed Ability to lift, carry, and move equipment weighing up to 50 pounds Ability to perform physical activities such as climbing ladders, working at heights, and accessing network equipment in ceilings, utility areas, or elevated spaces Ability to stand, walk, bend, kneel, and reach for extended periods as required to perform job duties Ability to work in office, industrial, and jobsite environments, including exposure to varying temperatures, noise levels, and conditions All the physical demands listed are essential functions. Benefits 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 Show more Show less