Senior Network Administrator

Hendrickson USA, L.L.C.

$95K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Information Technology, Computer Science, or related field; Master's degree is a plus.
  • 7+ years of experience in network administration.
  • Knowledge of networking technologies and protocols (TCP/IP, VPNs, etc.).
  • Hands-on experience with network architecture and data center implementations.
  • Experience with firewall and network security technologies.

Responsibilities

  • Design and maintain global WAN and LAN infrastructure.
  • Lead network architecture planning and integration efforts.
  • Ensure compliance with corporate IT standards across divisions.
  • Manage network security through best practices.
  • Analyze system performance and recommend improvements.

Benefits

  • Opportunity for personal and professional development.
  • Collaborative work environment with cross-functional teams.
  • Exposure to advanced networking technologies and solutions.
  • Travel opportunities to various company locations.
Full Job Description
Position Purpose:

The Senior Network Administrator designs, builds, and supports the company's global network, telecommunications, and system infrastructure to ensure secure, reliable, and high-performing business operations.

Essential Functions:
  • Design, implement, configure, monitor, and maintain global Wide Area Network (WAN) and Local Area Network (LAN) infrastructure, including Software-Defined WAN (SD-WAN), Multiprotocol Label Switching (MPLS), switches, routers, firewalls, wireless systems, Voice over Internet Protocol (VoIP), Virtual Private Network (VPN), and multi-factor authentication (MFA).
  • Serve as technical lead for network architecture, planning, integration, optimization, and lifecycle management across all supported sites.
  • Coordinate with divisional Information Technology (IT) teams to ensure compliance with corporate standards.
  • Manage and secure network infrastructure through best-practice security controls, including firewalls, Network Access Control (NAC), Virtual LAN (VLAN) segmentation, patching, and ongoing vulnerability mitigation.
  • Monitor system performance, utilization, availability, and capacity.
  • Analyze trends and recommend improvements to enhance reliability, security, and scalability.
  • Install, configure, and support servers, Personal Computers (PCs), printers, cabling, time clocks, barcode equipment, and related hardware and software.
  • Troubleshoot and resolve complex network, system, application, and telephony issues.
  • Provide escalation support for enterprise systems and infrastructure.
  • Lead backup, disaster recovery, and system integrity initiatives.
  • Maintain backups and conduct regular recovery testing with continuous improvement.
  • Coordinate third-party vendors and service providers for network services, repairs, warranties, and infrastructure support.
  • Develop and maintain technical documentation, network diagrams, inventories, procedures, and the company knowledge base.
  • Communicate maintenance activities, outages, and service impacts through established communication plans.
  • Provide leadership, mentoring, and technical guidance to IT staff.
  • Collaborate cross-functionally as a technical resource.
  • Support additional company locations as required.
  • Maintain confidentiality of all systems and data.
  • Perform other duties as assigned.

Education and Training
  • A bachelor's degree in information technology, Computer Science, or a related field is required.
  • A master's degree is a plus.
  • Certifications such as, but not limited to, Cisco CCNA Routing & Switching, Cisco CCNP Routing & Switching, Cisco CCNA Security, CompTIA, Cisco, Microsoft, and VMware are a plus.

Minimum Qualifications
  • A minimum of 7 years' experience.
  • Ability to travel to division and plant locations up to 75% of the time on an as needed basis.
  • Willingness to work evenings or weekends when system needs require it.
  • In-depth knowledge of networking technologies and protocols, including but not limited to, TCP/IP, DNS, DHCP, VPNs, VLANs, routing, switching, WAN, LAN, wireless networking, and VoIP systems.
  • Hands-on experience with network architecture, design, and new data center implementations.
  • Experience installing, configuring, administering, and supporting firewalls, network security technologies, and VPN solutions.
  • Strong ability to diagnose and resolve complex hardware, software, network, and telecommunications issues.
  • Knowledge of backup and recovery methodologies, tools, and best practices.
  • Strong project management, leadership, and organizational skills.
  • Excellent written, verbal, interpersonal, and customer service skills.
  • Ability to provide effective group and on-on-one technical support and training. Demonstrated professionalism, initiative, strong work ethic, and ability to work independently.
  • Ability to coordinate and manage vendor relationships for hardware repair, warranty services, and network support.

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