Note: The job is a remote job and is open to candidates in USA. Island Finance is the largest financial institution in Puerto Rico, serving over 70,000 clients with a variety of financial products and services. The Network & Communications Administrator is responsible for ensuring high availability, performance, and security of the institution's voice and data communications across all branches and cloud services.

Responsibilities

• Routing and switching (BGP/OSPF, VLAN, QoS), enterprise Wi‑Fi, and communications links (Internet/MPLS/LTE)
• Responsible for operational functions for the Fortinet firewalls/IPS (FortiGate), security policies and profiles, and management/analytics platforms (FortiManager/FortiAnalyzer)
• Monitor and manage load balancers, Wi‑Fi controllers, ADC, and segmentation (VLANs, NAC/micro‑segmentation)
• Maintain core services: DNS, DHCP, NTP, IPAM, and IP addressing/segment control
• Support the design, operation, and optimization of secure connectivity with OCI and AWS via IPsec VPN, SSL VPN, and, when applicable, dedicated links (e.g., FastConnect/Direct Connect)
• Ensure routing, security, and resilience (HA, failover, periodic switchover tests) for interconnection with clouds and data centers
• Support the administrator in the  VoIP/UC platforms, SIP trunks, SBC, and call routing; enforce QoS to guarantee voice quality (jitter, latency, loss, MOS)
• Coordinate integrations with contact center/IVR and collaboration services; ensure recording and retention per policy
• Monitor performance and capacity with NPM/NTA/SNMP/NetFlow/Syslog; set proactive thresholds and alerts
• Handle incidents (Tier II/III), execute root‑cause analysis and remediation plans, reducing MTTR and recurrence
• Manage patching, changes, and releases following formal change controls (ITIL) and maintenance windows
• Apply network security controls (hardening, segmentation, privileged access, secure VPNs, lists/objects) and maintain audit evidence
• Support internal/external and regulatory audits, address findings, and implement corrective action plans
• Ensure adherence to corporate security policies and financial‑sector regulations
• Support the Administration in the implementation and testing of HA, link redundancy, alternate routes, and failover mechanisms for critical services
• Participate in DR/BCP exercises, validating secure connectivity to critical services in OCI and AWS
• Support the management of carriers/ISPs, OEMs (incl. Fortinet), and MSPs: contracts, SLAs, escalations, billing, and reconciliations
• Support as required in proposal evaluations (RFP/RFQ) and recommend cost‑effective modernizations and optimizations (licenses, links, equipment)
• Maintain up‑to‑date HLD/LLD diagrams, inventory, and operating procedures
• Review and present proposal for updates, implement updates, improvements, optimizations, and new controls as part of BAU
• Provide technical training to the Service Desk and related teams

Skills

• Bachelor's degree in engineering (Computer/Telecommunications/Electrical) or Computer Science, or equivalent experience
• 3+ years administering multi‑site networks and communications in regulated environments (financial, telecom, healthcare, or similar)
• Proficient knowledge of communication and network concepts and protocols
• Knowledge of equipment used in networks and monitoring tools
• Fortinet NSE 4/7 or higher; Cisco CCNA/CCNP; CompTIA Network+/Security+; ITIL v4 Foundation
• Cloud certifications with networking emphasis: AWS (Advanced Networking/SAA), OCI (Networking/Architecture)
• Knowledge of core for designing and troubleshooting network architecture
• Experience with major vendor equipment, including routers, switches, firewalls, and wireless access points, is a must
• Knowledge and experience in implementing and managing robust security measures, including firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), access controls, and vulnerability management
• Strong understanding of virtualization technologies and experience with cloud platforms like AWS or Azure to manage scalable and hybrid network environments
• Knowledge of unified communication systems, including Voice over IP (VoIP), SIP trunks, and video conferencing solutions, is often required
• Experience in managing servers on various operating systems, including Windows Server and Linux, for effective network management
• Bilingual (Spanish and English)
• Customer-focused and service-oriented
• Strong verbal, written, and negotiation skills to retain the existing customer base
• Experience in routing/switching (BGP/OSPF/STP/VLAN), firewalls/IPS (preferably Fortinet/FortiGate), VPN (IPsec/SSL), SD‑WAN, enterprise Wi‑Fi, and VoIP/SIP/SBC/QoS
• Hands‑on experience with cloud connectivity (OCI and AWS: VPC/VNet, VPNs, routing, security, dedicated links)
• Proficiency with monitoring tools (SNMP, Syslog, NetFlow/IPFIX, NPM/NTA) and ITIL processes (changes, incidents, problems)
• Clear documentation (HLD/LLD), analysis, troubleshooting, and effective communication skills (Spanish/English)
• Availability for on‑call duties, off‑hours changes, and site visits; valid driver's license

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