Network & Communications Administrator
Island Finance
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Job summary
Island Finance is seeking a Network & Communications Specialist to manage the institution’s voice, data, and cloud connectivity across branches and offices. You will optimize LAN/WAN/SD‑WAN, enterprise Wi‑Fi, VPNs, and secure network services while ensuring policy compliance and security best practices.
The role supports Fortinet FortiGate and FortiManager/FortiAnalyzer, SD‑WAN, VoIP/SIP, and collaboration services, with a focus on availability, performance, and incident response in a regulated
Qualifications
- Bachelor’s degree in engineering (Computer/Telecommunications/Electrical) or Computer Science, or equivalent experience.
- 3+ years administering multi-site networks in regulated environments.
- Proficient knowledge of network concepts and protocols.
- Fortinet NSE 4/7 or higher; Cisco CCNA/CCNP; CompTIA Network+/Security+; ITIL v4 Foundation.
- Cloud certifications with networking emphasis: AWS, OCI.
Responsibilities
- Manage routing/switching (BGP/OSPF, VLAN, QoS) and enterprise Wi‑Fi.
- Oversee Fortinet firewalls/IPS (FortiGate) policies and analytics platforms.
- Monitor load balancers, Wi‑Fi controllers, ADC, and segmentation.
- Maintain DNS, DHCP, NTP, IPAM, and IP addressing controls.
- Design and optimize secure cloud connectivity with OCI and AWS (VPNs, FastConnect/Direct Connect).
- Ensure HA, failover, and resilience for cloud interconnects.
- Support VoIP/SIP/SBC, QoS for voice quality; integrate with contact center/IVR.
Skills
Education
Tools
Job description
With over 66 years of service, Island Finance LLC is the largest financial institution in Puerto Rico. It serves over 70,000 clients, with consumer loans and a variety of financial products and services. Additionally, it has a comprehensive distribution network with 46 branches, a call center, and an advanced Internet banking service available at www.islandfinance.com.
Island Finance is not only a Financial Company committed to the future of Puerto Rico, but also works every day to offer the highest quality of service and is the one who has reached out to thousands of clients when they have needed it most, in addition to maintaining a positive and dynamic work environment with a team committed to offering the best.
We are the Financial Company of the 21st century, with over five decades helping you realize your dreams. There is one thing that remains unchanged, and that is that sixty‑five years later, we are still here...
We deeply appreciate your support and reaffirm our commitment. That's why with us... ¡¡Yes, you can!!
Responsible for the operational phase of the institution’s voice and data communications, ensuring high availability, performance, and security across all branches, departmental offices, and cloud services. Operates and optimizes LAN/WAN/SD‑WAN, enterprise Wi‑Fi, Internet/MPLS/LTE links, VPN (site‑to‑site and remote access), IP telephony/SIP/UC, and secure connectivity with cloud providers (OCI and AWS). Ensures policy compliance, audit support, and continuous improvement under ITIL practices and cybersecurity best practices.
- 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.
- 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.
- 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).
- 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.
- 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).
- Network Protocols & Topologies: Knowledge of core for designing and troubleshooting network architecture.
- Hardware Configuration & Management: Experience with major vendor equipment, including routers, switches, firewalls, and wireless access points, is a must.
- Network Security: Knowledge and experience in implementing and managing robust security measures, including firewalls, VPNs, intrusion detection/prevention systems (IDS/IPS), access controls, and vulnerability management.
- Virtualization & Cloud Networking: Strong understanding of virtualization technologies and experience with cloud platforms like AWS or Azure to manage scalable and hybrid network environments.
- Voice and Data Communications: Knowledge of unified communication systems, including Voice over IP (VoIP), SIP trunks, and video conferencing solutions, is often required.
- Operating Systems: 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.
Learn more about us at Island Finance and keep updated with our latest job postings at Island Finance Empleos
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