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Open Door Care Network

Sr. Network Engineer (Hybrid)

Open Door Care Network, White Plains, New York, United States

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Overview Open Door Care Network provides health care and wellness programs to individuals and families in need throughout Westchester, Putnam, and Ulster Counties. A pioneer Federally Qualified Health Center, Open Door provides more than 300,000 patient visits annually and serves nearly 60,000 individual patients who might not otherwise have access. Open Door offers integrated services and a holistic approach to building healthier communities. Primary medical care, dental care, integrated behavioral health care, clinical nutrition, wellness programs, and chronic disease management are the foundation of its clinical programs.

Founded as a free clinic in 1972, Open Door’s mission of building healthier communities through accessible, equitable, culturally competent health care has led to site and service expansions. Today, Open Door operates centers in Brewster, Mamaroneck, Mount Kisco, Ossining, Port Chester, and Sleepy Hollow, in addition to eight School-Based Health Centers in the Port Chester and Ossining School Districts, a mobile dental van in Mount Kisco, and a new dental practice in Saugerties, NY. For more information, please visit our website at www.opendoormedical.org.

Open Door is currently seeking a

Sr. Network Engineer

in our

Tarrytown site (560 White Plains Rd, Tarrytown, NY 10591) . The Network Engineer will be involved in all aspects of the IT infrastructure operations.

As a team member, they will support highly complex systems, including the overall administration, security, availability of Open Door, and its affiliates, and network infrastructure. The individual will provide inputs to the strategy, design, and troubleshooting of technology-related challenges. The ideal candidate will be able to deploy, configure, maintain, and monitor all active network equipment to ensure smooth network operations, a secure environment, and enhanced performance.

No Sponsorship

This position will be on-site only for at least the first 90 days. It will at most be 2 days remote and 3 days on-site.

Key Duties And Responsibilities

Act as subject matter expert on Fortinet platforms (and Cisco FirePower until phased out), including policy creation, firewall hardening, VPN configuration, NAT, identity management (Fortiauthenticator or ISE) and threat protection features

Review and improve the network architecture to reflect modern technologies, best practices, threat factors, and operability.

Lead enterprise firewall rule audits, change management, and incident response related to firewall traffic

Architect, maintain, and troubleshoot complex site-to-site VPN environments including redundancy and failover testing

Deploy, configure, maintain and monitor all active network equipment to ensure smooth network operations, secure environment, and enhanced performance

Handle incident and service requests; resolve them within agreed Service Levels

Monitor and diagnose faults, provide complete resolution

Ensure that systems are optimally configured, and the contained information is current (e.g., proactive system maintenance)

Coordinate, test, and implement applications and technology through projects and initiatives

Ensure that all relevant information related to Fortinet and network systems is collected, correlated, and analyzed.

Prepare and produce root cause analysis reports

Create installation and troubleshooting documentation

Review, maintain, and create network diagrams to ensure end-to-end paths are documented

Perform routine system administration and maintenance on local or remote locations with no impact to the business – some travel locally will be required

Participation in support and on-call rotation, including incident management duties

Ensure asset management and inventory are kept up to date within ServiceNow, including service impact analysis.

Education

BS degree in Computer Science, Information Systems, or related field preferred

Experience And Knowledge

Proven experience as a network engineer in a multi-site environment

Expert-level familiarity with FirePower and FortiGate firewalls: configuration, troubleshooting, policy management, and advanced security features

Strong troubleshooting experience of routers, switches, and firewalls

Strong understanding of VLANs, routing protocols, and spanning tree

Strong knowledge of IP protocols (IPv4, UDP, TCP, DNS, DHCP)

Familiarity with network monitoring applications and alert tuning

Familiarity with backup and recovery software and methodologies

Hands-on experience in networking, routing, and switching

Must have experience in administrative, incident response, and operational responsibilities

Visio experience a plus

Strong communication and multitasking skills

Additional Skills

Strong multi-tasking and workload prioritization abilities.

Excellent communication and interpersonal skills.

Proven ability to perform administrative, incident response, and operational responsibilities.

Open Door is an Equal Opportunity Employer

Technical Skills & Qualifications

BS degree in Computer Science, Information Systems, or related field preferred

Advanced hands-on experience configuring and managing Fortinet (FortiGate)

Cisco FirePower firewalls in production environments experience is beneficial

Strong knowledge of NGFW features: IDS/IPS, application control, URL filtering, content inspection

Experience with firewall migration, policy optimization, and redundancy design

Strong knowledge of dynamic routing protocols (OSPF, EIGRP, BGP)

Understanding of advanced routing concepts including routing table optimization, path selection, and SLAs

Understanding of layer 2 switching including Spanning Tree, Port Channels, and VLAN trunking

Extensive experience in creating, re-routing, and maintaining VPN tunnels

Ability to migrate VPN tunnels and troubleshoot multi-site connectivity

Wireless experience required

Fortinet NSE4 or higher strongly preferred; Cisco certification required

3–5 years’ experience working as a network engineer in a similar role

ITIL Certification is a plus

Network design and maintenance in cloud environments (Azure preferred)

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