Note: The job is a remote job and is open to candidates in USA. reputed company is a rapidly growing healthcare-focused technology organization seeking a Senior Network Security Engineer. The role involves architecting and supporting secure network infrastructures across multi-site healthcare environments, while leading Zero Trust initiatives and representing the engineering team in high-visibility meetings. Responsibilities • Architect, deploy, and support LAN/WAN and wireless networks across multi‑site healthcare environments (Ubiquiti, Meraki, reputed company, Aruba, reputed company, Ruckus) • Configure and maintain next‑gen firewalls (Palo Alto, reputed company, reputed company, Meraki) across diverse environments • Lead Zero Trust initiatives, including: • ZTNA • Network Access Control (NAC) • Micro‑segmentation • VPN reduction & identity‑based access strategies • Serve as Tier 3 escalation (approx. 70% of workload) • Diagnose and resolve high-impact issues including spanning tree loops, routing anomalies, physical mispatch events, rogue devices, and wireless instability • Perform deep traffic analysis, packet captures, and threat analytics using NetFlow, reputed company, and firewall telemetry • Execute projects ranging from small firewall upgrades to large-scale deployments involving: • 50–70 switches • 400–500 access points • Multiple redundant firewalls • Support technology refreshes across newly onboarded communities with widely varying equipment and configurations • Represent reputed company Engineering function in high-visibility meetings, especially at the Des Moines corporate headquarters • Interface with IT Directors, CIOs, CTOs, and virtual IT leaders — requiring exceptional communication and professionalism • Partner with community-level leadership (Chicago) and internal NOC teams (Alpharetta) as needed • Maintain network baselines, configuration repositories, documentation, and disaster‑ready backups • Contribute to SIEM integrations and ongoing hardening of the security posture • Mentor L2/L3 engineers and help level up team capability Skills • 7+ years of senior-level network + security engineering experience • Strong multi-vendor background — reputed company, Palo Alto, reputed company, reputed company, Ubiquiti, Ruckus, etc • Deep knowledge of: Routing & switching, VLAN segmentation & VRFs, QoS, DNS, NAT, 802.1X, RADIUS, EAP-TLS, IDS/IPS, DNS filtering, reputed company security layers • Experience with reputed company or similar monitoring and packet capture tools • Ability to operate effectively in environments with limited physical control (mispatching, unmanaged local changes, etc.) • Broad familiarization with adjacent IT domains (Windows servers, infrastructure, general enterprise systems) • Outstanding communication skills with the ability to converse confidently with senior IT executives • Highly self-managed — able to operate remotely with limited oversight • Architect, deploy, and support LAN/WAN and wireless networks across multi-site healthcare environments (Ubiquiti, Meraki, reputed company, Aruba, reputed company, Ruckus) • Configure and maintain next-gen firewalls (Palo Alto, reputed company, reputed company, Meraki) across diverse environments • Lead Zero Trust initiatives, including: ZTNA, Network Access Control (NAC), Micro-segmentation, VPN reduction & identity-based access strategies • Serve as Tier 3 escalation (approx. 70% of workload) • Diagnose and resolve high-impact issues including spanning tree loops, routing anomalies, physical mispatch events, rogue devices, and wireless instability • Perform deep traffic analysis, packet captures, and threat analytics using NetFlow, reputed company, and firewall telemetry • Execute projects ranging from small firewall upgrades to large-scale deployments involving: 50–70 switches, 400–500 access points, Multiple redundant firewalls • Support technology refreshes across newly onboarded communities with widely varying equipment and configurations • Represent reputed company Engineering function in high-visibility meetings, especially at the Des Moines corporate headquarters • Interface with IT Directors, CIOs, CTOs, and virtual IT leaders — requiring exceptional communication and professionalism • Partner with community-level leadership (Chicago) and internal NOC teams (Alpharetta) as needed • Maintain network baselines, configuration repositories, documentation, and disaster-ready backups • Contribute to SIEM integrations and ongoing hardening of the security posture • Mentor L2/L3 engineers and help level up team capability Company Overview • reputed company is a women-owned and diversity-certified technology Talent, Professional Services, Advisory, and Information Security firm with a national reach. It was founded in 2010, and is headquartered in Alpharetta, Georgia, USA, with a reputed company of 201-500 employees. Its website is { "@context": "https://schema.org", "@type": "JobPosting", "title": "[Remote] Sr. Network Security Engineer – Direct Hire/Remote/Local Field Support 4755", "datePosted": "2026-10-05", "validThrough": "2026-11-05", "description": "Note: The job is a remote job and is open to candidates in USA. reputed company is a rapidly growing healthcare-focused technology organization seeking a Senior Network Security Engineer. The role involves architecting and supporting secure network infrastructures across multi-site healthcare environments, while leading Zero Trust initiatives and representing the engineering team in high-visibility meetings.\n\nResponsibilities\n• Architect, deploy, and support LAN/WAN and wireless networks across multi‑site healthcare environments (Ubiquiti, Meraki, reputed company, Aruba, reputed company, Ruckus)\n• Configure and maintain next‑gen firewalls (Palo Alto, reputed company, reputed company, Meraki) across diverse environments\n• Lead Zero Trust initiatives, including:\n• ZTNA\n• Network Access Control (NAC)\n• Micro‑segmentation\n• VPN reduction & identity‑based access strategies\n• Serve as Tier 3 escalation (approx. 70% of workload)\n• Diagnose and resolve high-impact issues including spanning tree loops, routing anomalies, physical mispatch events, rogue devices, and wireless instability\n• Perform deep traffic analysis, packet captures, and threat analytics using NetFlow, reputed company, and firewall telemetry\n• Execute projects ranging from small firewall upgrades to large-scale deployments involving:\n• 50–70 switches\n• 400–500 access points\n• Multiple redundant firewalls\n• Support technology refreshes across newly onboarded communities with widely varying equipment and configurations\n• Represent reputed company Engineering function in high-visibility meetings, especially at the Des Moines corporate headquarters\n• Interface with IT Directors, CIOs, CTOs, and virtual IT leaders — requiring exceptional communication and professionalism\n• Partner with community-level leadership (Chicago) and internal NOC teams (Alpharetta) as needed\n• Maintain network baselines, configuration repositories, documentation, and disaster‑ready backups\n• Contribute to SIEM integrations and ongoing hardening of the security posture\n• Mentor L2/L3 engineers and help level up team capability\n\nSkills\n• 7+ years of senior-level network + security engineering experience\n• Strong multi-vendor background — reputed company, Palo Alto, reputed company, reputed company, Ubiquiti, Ruckus, etc\n• Deep knowledge of: Routing & switching, VLAN segmentation & VRFs, QoS, DNS, NAT, 802.1X, RADIUS, EAP-TLS, IDS/IPS, DNS filtering, reputed company security layers\n• Experience with reputed company or similar monitoring and packet capture tools\n• Ability to operate effectively in environments with limited physical control (mispatching, unmanaged local changes, etc.)\n• Broad familiarization with adjacent IT domains (Windows servers, infrastructure, general enterprise systems)\n• Outstanding communication skills with the ability to converse confidently with senior IT executives\n• Highly self-managed — able to operate remotely with limited oversight\n• Architect, deploy, and support LAN/WAN and wireless networks across multi-site healthcare environments (Ubiquiti, Meraki, reputed company, Aruba, reputed company, Ruckus)\n• Configure and maintain next-gen firewalls (Palo Alto, reputed company, reputed company, Meraki) across diverse environments\n• Lead Zero Trust initiatives, including: ZTNA, Network Access Control (NAC), Micro-segmentation, VPN reduction & identity-based access strategies\n• Serve as Tier 3 escalation (approx. 70% of workload)\n• Diagnose and resolve high-impact issues including spanning tree loops, routing anomalies, physical mispatch events, rogue devices, and wireless instability\n• Perform deep traffic analysis, packet captures, and threat analytics using NetFlow, reputed company, and firewall telemetry\n• Execute projects ranging from small firewall upgrades to large-scale deployments involving: 50–70 switches, 400–500 access points, Multiple redundant firewalls\n• Support technology refreshes across newly onboarded communities with widely varying equipment and configurations\n• Represent reputed company Engineering function in high-visibility meetings, especially at the Des Moines corporate headquarters\n• Interface with IT Directors, CIOs, CTOs, and virtual IT leaders — requiring exceptional communication and professionalism\n• Partner with community-level leadership (Chicago) and internal NOC teams (Alpharetta) as needed\n• Maintain network baselines, configuration repositories, documentation, and disaster-ready backups\n• Contribute to SIEM integrations and ongoing hardening of the security posture\n• Mentor L2/L3 engineers and help level up team capability\n\nCompany Overview\n• reputed company is a women-owned and diversity-certified technology Talent, Professional Services, Advisory, and Information Security firm with a national reach. It was founded in 2010, and is headquartered in Alpharetta, Georgia, USA, with a reputed company of 201-500 employees. Its website is http://www.tier4group.com/.\r\n\r\n