Network, Infrastructure & Cybersecurity Specialist

Talpa Supermercados•Stone Mountain, GA

4d•$70,000 - $85,000•Hybrid

About The Position

The Network, Infrastructure & Cybersecurity Specialist is responsible for maintaining, supporting, securing, monitoring, and continuously improving network and connectivity infrastructure across corporate offices and multiple retail locations. This position serves as the primary technical owner for LAN/WAN connectivity, SD-WAN, switches, firewalls, wireless infrastructure, internet circuits, network monitoring, infrastructure documentation, and network-focused cybersecurity. The role requires strong technical ownership, proactive monitoring, structured troubleshooting, accurate documentation, vendor coordination, and flexibility to support a multi-location retail environment where technology availability is critical to daily business operations. This is a specialized infrastructure position rather than a traditional Help Desk role.

Requirements

Experience in IT infrastructure, networking, technical support, or a related technology role.
Strong understanding of TCP/IP networking fundamentals.
Working knowledge of LAN/WAN environments.
Understanding of VLANs and switching concepts.
Understanding of routing and firewall fundamentals.
Experience working with managed switches and wireless access points.
Strong troubleshooting and problem-solving skills.
Ability to document technical environments accurately.
Ability to prioritize incidents and work independently.
Strong sense of technical ownership and accountability.
Ability to communicate technical issues clearly to technical and non-technical stakeholders.
Ability and willingness to travel regularly to retail locations.
Ability to participate in an on-call rotation.
Flexibility to participate in planned evening, weekend, and overnight infrastructure activities when required.

Nice To Haves

Experience supporting multi-location network environments.
Experience with SD-WAN technologies.
Experience with firewall administration.
Exposure to network architecture and design.
Exposure to infrastructure and network monitoring platforms.
Familiarity with enterprise switching and wireless technologies.
Experience coordinating with ISPs and technology vendors.
Experience in retail or another high-availability, multi-location environment.
Understanding of cybersecurity fundamentals and network security principles.
Experience participating in infrastructure deployments, migrations, or new-location implementations.
CompTIA Network+
Cisco CCNA or equivalent networking experience
Relevant firewall or networking vendor certification
CompTIA Security+ or equivalent cybersecurity training
Professional certifications may also form part of an established technical-development path.

Responsibilities

Maintain LAN/WAN infrastructure across corporate and retail locations.
Configure and support switches, routers, firewalls, and wireless access points.
Monitor, maintain, and troubleshoot SD-WAN connectivity.
Configure and maintain VLANs, DHCP, DNS, and routing configurations.
Troubleshoot internet circuits, network outages, latency, and connectivity issues.
Monitor network availability, performance, capacity, and reliability.
Identify recurring network problems and recommend permanent solutions.
Participate in network architecture, standardization, and modernization initiatives.
Maintain consistent networking standards across corporate and retail locations.
Identify opportunities to improve network resiliency and redundancy.
Maintain network and connectivity infrastructure across supported locations.
Coordinate installation, replacement, and upgrades of network equipment.
Maintain accurate inventories of network equipment, circuits, and infrastructure assets.
Maintain network topology diagrams and infrastructure documentation.
Document configurations, standards, infrastructure changes, and troubleshooting procedures.
Coordinate with internet service providers, telecommunications providers, and infrastructure vendors.
Participate in planned infrastructure maintenance and technology upgrades.
Support infrastructure requirements related to store expansions, relocations, and remodels.
Help establish infrastructure standards that can be replicated across locations.
Support firewall and network security controls.
Maintain secure network configurations according to established IT standards.
Assist with network segmentation and security improvements.
Monitor network infrastructure for potential security concerns.
Assist with vulnerability identification and remediation.
Support network-related cybersecurity initiatives.
Coordinate network-security issues with technology and security vendors.
Escalate suspected cybersecurity incidents according to established IT procedures.
Follow change-control, least-privilege, and security standards when managing network infrastructure.
Assist with implementation of infrastructure-related cybersecurity improvements.
Proactively monitor network infrastructure and connectivity.
Take ownership of network and infrastructure incidents from identification through resolution.
Troubleshoot network incidents using a structured root-cause approach.
Coordinate with vendors and service providers when external escalation is required.
Maintain internal ownership of an incident even when a third-party provider is involved.
Provide timely and clear communication during network outages and major incidents.
Communicate business impact, escalation status, progress, and expected next actions.
Document incident findings, root causes, resolutions, and preventive actions.
Identify recurring patterns and recommend improvements to reduce future incidents.
Ensure incidents and infrastructure activities are properly documented through established IT ticketing processes.
Own the networking and connectivity workstream for new store openings.
Support store relocations, remodels, expansions, and major infrastructure projects.
Coordinate new internet circuit installation, activation, testing, and validation.
Coordinate and validate LAN/WAN, SD-WAN, firewall, switching, wireless, and connectivity requirements.
Prepare and configure network equipment before deployment.
Participate in onsite infrastructure installation and testing when required.
Validate network and connectivity readiness before store go-live.
Support opening-day and post-opening network stabilization when required.
Coordinate infrastructure activities with internal teams, vendors, contractors, and service providers.
Identify infrastructure risks before go-live and escalate issues that could affect store readiness.
Document the completed network environment, configurations, equipment, circuits, and topology.
Participate in SD-WAN migrations, network modernization, equipment refreshes, and other infrastructure initiatives.
Participate in the IT department's on-call process.
Provide network and infrastructure support during assigned on-call periods.
Respond to critical connectivity and infrastructure incidents affecting retail or corporate operations.
Provide specialized networking escalation assistance when required during significant incidents.
Remain engaged during critical incidents through resolution or appropriate handoff.
Coordinate with ISPs, network providers, and technology vendors during outages when necessary.
Document on-call incidents, actions taken, escalation history, and final resolutions.
Participate in post-incident reviews for significant outages when appropriate.
Maintain sufficient documentation and cross-training so backup personnel can assist when necessary.
Be available for planned after-hours infrastructure maintenance.
Be willing to work evenings when infrastructure changes cannot be safely completed during normal business hours.
Participate in weekend maintenance and technology deployments when required.
Be willing to perform overnight work when network migrations, infrastructure changes, store deployments, or business requirements require it.
Participate in planned maintenance windows involving networks, firewalls, SD-WAN, wireless infrastructure, or connectivity services.
Support critical store openings or major technology deployments outside normal business hours when necessary.
Respond to critical network or infrastructure incidents according to the established on-call and escalation process.
Travel regularly between corporate offices and retail locations as part of normal responsibilities.
Travel to locations for network troubleshooting, installations, upgrades, infrastructure assessments, and store openings.
Provide onsite technical support when network or infrastructure issues cannot be effectively resolved remotely.
Coordinate onsite work with store management, Operations, vendors, contractors, and other IT personnel.
Be comfortable working hands-on in active retail environments.
Travel to new or existing business locations as infrastructure requirements develop.
Maintain current network diagrams for supported locations.
Document network configurations and infrastructure standards.
Maintain ISP circuit and network equipment documentation.
Document infrastructure changes according to established IT processes.
Develop and maintain network-related Standard Operating Procedures (SOPs).
Maintain technical troubleshooting documentation and knowledge articles.
Keep documentation current following significant infrastructure changes.
Ensure critical network information is documented so support is not dependent on one individual.
Cross-train designated IT personnel to provide backup coverage.
Serve as the primary technical point of ownership for network and connectivity infrastructure.
Take ownership of assigned incidents from identification through resolution.
Maintain ownership when an ISP, vendor, or external service provider must participate in resolution.
Proactively identify infrastructure risks, weaknesses, and improvement opportunities.
Research and recommend infrastructure improvements.
Provide technical recommendations based on reliability, security, scalability, cost awareness, and business requirements.
Communicate proactively during outages, projects, maintenance activities, and critical incidents.
Follow established ticketing, documentation, security, and change-management procedures.
Properly plan and document infrastructure changes before implementation.
Complete appropriate post-incident documentation following significant outages.
Identify preventive actions after recurring or major incidents.
Build sufficient internal documentation and backup knowledge to reduce single-person dependency.
Continuously develop technical knowledge in networking, infrastructure, and cybersecurity.
Work closely with IT Operations, Systems, business departments, store management, and leadership.
Communicate technical issues clearly to both technical and non-technical stakeholders.
Provide clear status updates during service interruptions.
Coordinate professionally with ISPs, technology vendors, contractors, and service providers.
Collaborate with other IT team members during critical incidents even when an issue crosses normal role boundaries.
Provide technical guidance regarding network and infrastructure requirements.
Share knowledge and provide cross-training to designated backup personnel.