Senior Network Engineer

I am seeking a skilled Network Engineer Consultant to help design, implement, and maintain the enterprise network infrastructure. The successful candidate will ensure the reliability, security, and performance of network systems supporting business operations, while collaborating with cross-functional teams to align networking capabilities with organizational objectives., * Design, configure, and deploy LAN, WAN, WLAN, and VPN solutions, including routing (BGP) and switching across distributed sites.

• Administer and optimize Palo Alto Networks firewalls (PAN-OS, Panorama), security policies, NAT, and threat prevention features.
• Manage Aruba switching and wireless infrastructure (ArubaOS-CX, ArubaOS, Aruba Central) across campus and remote locations.
• Implement and maintain 802.1X port-based authentication and RADIUS services for wired and wireless network access control.
• Design and enforce network segmentation using VLANs, firewall zones, ACLs, and micro-segmentation to support zero-trust principles.
• Operate and tune LogicMonitor (and adjacent monitoring tools) for network performance, capacity, availability, and alerting.
• Troubleshoot and resolve network incidents using NetFlow, syslog, packet captures, and SNMP-based monitoring; perform root cause analysis.
• Plan and execute network upgrades, migrations, and refresh projects with minimal business disruption.
• Maintain accurate network documentation, including topology diagrams, IP address management, and configuration baselines.
• Collaborate with security, systems, and applications teams on infrastructure projects and compliance initiatives.
• Support disaster recovery and business continuity planning related to network systems.
• Provide tier 2/3 support and mentor junior engineers and helpdesk staff on networking matters.

• Bachelor’s degree in Computer Science, Information Technology, or related field, or equivalent experience.
• 8+ years of hands-on experience in enterprise network engineering and operations.
• Strong knowledge of routing and switching, including BGP, OSPF, static routing, route redistribution, STP, VLANs, and VRF.
• Hands-on experience administering Palo Alto Networks firewalls (PAN-OS, Panorama, security policies, NAT, GlobalProtect).
• Hands-on experience with Aruba switching and wireless (ArubaOS-CX, ArubaOS, Aruba Central, Mobility Controllers, ClearPass).
• Experience designing and operating network segmentation strategies (VLANs, micro-segmentation, firewall zones, east-west controls).
• Understanding and ability to troubleshoot and/or support telephony systems (MS Teams, ShoreTel, 8x8)
• Experience with LogicMonitor (or equivalent platforms such as SolarWinds, PRTG, Zabbix) for performance monitoring, alerting, and dashboarding.
• Proficiency with monitoring and diagnostic tools including SNMP, NetFlow/sFlow, syslog, and packet capture (Wireshark, tcpdump).
• Experience with VPN technologies (IPsec, SSL) and remote access solutions.
• Strong troubleshooting skills across the OSI model in distributed, multi-site environments., * Industry certifications such as PCNSA/PCNSE (Palo Alto), Aruba ACSA/ACSP/ACMA/ACMP, CCNP, or equivalent.
• Familiarity with cloud networking in Azure, AWS, or GCP (VNets, VPCs, ExpressRoute, Direct Connect).
• Exposure to network automation using Python, Ansible, or Terraform.
• Knowledge of Zero Trust Network Access (ZTNA) and SASE frameworks.
• Experience working in regulated environments (HIPAA, SOX, PCI, or similar)., All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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