Senior Staff Network Engineer
About The Position
ZT Systems is seeking a hands-on Senior Staff Network Engineer to support and improve LAN, WAN, wireless, and voice infrastructure across office, manufacturing, laboratory, and warehouse environments. The role involves packet-level troubleshooting, executing production changes, proactively addressing issues, and partnering with network architects to implement architecture and design plans. The engineer will support multi-site networks and services, resolve complex incidents, carry out onsite infrastructure work, and maintain accurate network diagrams, port records, and incident documentation. ZT Systems describes its work environment as fast-paced and collaborative, with opportunities for hands-on experience and professional learning.
Requirements
- Bachelor’s degree in a related field or equivalent practical experience.
- At least 8 years of hands-on enterprise networking experience.
- Advanced experience troubleshooting LAN and WAN issues in a multi-site environment.
- Strong command of TCP/IP, subnetting, DHCP, DNS, NAT, VLANs, and packet forwarding.
- Proven production packet-level troubleshooting experience using Wireshark or similar tools.
- Experience supporting voice and data on shared infrastructure, with practical knowledge of VoIP, QoS, voice VLANs, and PoE.
- Hands-on experience with OSPF, BGP, STP, LACP, and HSRP/VRRP on platforms such as Cisco, Arista, or Aruba.
- Working experience with next-generation firewalls such as Palo Alto or comparable platforms, security policies, and IPsec VPNs.
- Experience with copper and fiber cabling, optics, console access, and out-of-band management.
- Experience executing production changes under a formal change and approval process.
- Ability to identify problems and drive fixes forward with minimal direction.
Responsibilities
- Analyze packet captures using Wireshark, tcpdump, and SPAN, correlating findings with routing tables, firewall sessions, and logs to identify root causes.
- Support and troubleshoot LAN, WAN, and wireless networks across multiple sites, including routers, switches, firewalls, and ISP circuits.
- Support voice, video, and data services, including VoIP phones and video conferencing equipment.
- Prepare production changes for approval, including implementation, validation, and rollback steps, and execute approved changes.
- Serve as a Tier 3 escalation resource for complex incidents and proactively investigate recurring issues.
- Perform onsite work such as racking, cabling, optics, and MDF/IDF troubleshooting.
- Keep network diagrams, port records, and incident documentation current.
- Partner with network architects to implement architecture and design plans.
Benefits
- Performance-based annual bonus eligibility
- 401(k) retirement savings plan with generous match mentioned in the role description
- Tuition reimbursement
- Paid time off
- Company-paid holidays
- Comprehensive medical coverage
- Dental coverage
- Vision coverage
- Mental health resources and employee wellness support programs
- Company-paid life insurance
- Company-paid disability insurance
- Parental leave and family care support programs
- Structured training programs and on-the-job learning opportunities
- Matching gifts and volunteer programs
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Senior
