Title: Sr. Manager, IT Network & Infrastructure services

Location: Miami, FL (USA)

Sr. Manager, IT Network & Infrastructure services is a hands-on leader with proven experience overseeing network architecture design, security implementation and IT systems, driving innovation, performance optimization, troubleshooting, proactive maintenance for seamless operations, including backup and patching infrastructures, and leading high-performing teams for optimal efficiency.

Responsibilities

• Responsible for conceptualizing, designing, and building a secure company architecture, including switching, routing, overall network services, and network security.
• Responsible for planning the expansion of network capacity to support the company's growth.
• Review and make recommendations based on the organization's security posture and design architecture.
• Properly document all systems security implementation, operations, and maintenance activities and update as necessary.
• Provide guidance and effective enterprise systems administration, including AD design, DHCP scope configuration, DNS architecture, GPO deployment, tests, etc., by owning business critical infrastructure and applications, including on-prem and cloud-based infrastructure
• Design, deploy and maintain Windows Operating Systems, AD, DHCP, LDAP, SCCM, WSUS, DNS, NTP, CA, GPO, and related core infrastructure components in an enterprise environment.
• Prioritize the Team's efforts related to security and network issues and remediations.
• Provides cybersecurity recommendations to leadership based on significant threats and vulnerabilities that may affect our company environments.
• Create and maintain comprehensive infrastructure diagrams, and create processes, SOPs, and other technical documentation.
• Manage assigned projects and implement automation wherever possible.
• Provide technical leadership and training to engineers on the team.
• Establish best practices throughout the entire technical support process.
• Follow up with customers to identify areas of improvement.
• Develop daily, weekly, and monthly reports on the team’s productivity.

Skills

• Hands-on working experience with Palo Alto and Meraki firewalls, Cisco 6500s, and Meraki switch devices.
• Strong security experience with ACLs, IPsec, and traffic inspection.
• Ability to serve as the primary liaison between the CISO organization, IT, and system owners.
• Excellent understanding of networking technologies such as BGP, OSPF, STP (RSTP/MSTP), AAA, and layer 2 switching.
• Ability to use tools like Wireshark, Nagios, or SolarWinds for monitoring, analyzing, and diagnosing network issues.
• Knowledge of the application firewall concepts and functions (e.g., single point of authentication/audit/policy enforcement, message scanning for malicious content, data loss prevention, SSL security, REST/JSON processing).
• Knowledge of network access, identity, and access management (e.g., public key infrastructure, Oauth, OpenID, SAML, SPML).
• Skill in assessing security controls based on cybersecurity principles and knowledge of how to use network analysis tools to identify vulnerabilities.
• Knowledge of scripting languages (Python, PowerShell) for automating network tasks.
• Understanding of wireless protocols (e.g., Wi-Fi 6) and securing wireless networks.
• Experience with cloud networking services (e.g., AWS VPC, Azure Virtual Network).
• Awareness of industry-specific compliance requirements (e.g., HIPAA, PCI-DSS).
• Proficiency in configuring, managing, and troubleshooting network devices such as routers, switches, and firewalls.
• Good knowledge and experience in managing Azure, O365, Active Directory, domain resolution, etc.
• Experience in Windows server solutions, including OS installation, domain configuration, and AD architecture (GPO, AD schema, certificate-based authentication, PKI, etc.).
• Exposure to VMware, Hyper-V, KVM, or similar solutions.
• Proven project management abilities to guide complex projects and the ability to give instructions to a non-technical audience.
• Knowledge of business continuity and disaster recovery continuity of operations plans.
• Great experience managing Teams, evaluating performance, recruiting, and training.
• Excellent oral, written, and interpersonal skills.
• Ability to motivate, guide, and develop Team members.
• Ability to identify and prioritize activities for Team members.
• Ability to create work relationships across multiple areas, engaging with stakeholders, vendors and suppliers, their teams, and other employees.
• Excellent analytical and problem-solving skills.
• Bachelor's degree in Computer Science, Management Information Systems, or a related field.
• CompTIA Network+, CCNA, CCIE, CISSP or other IT/security certifications desired.
  
  

Other:

• Enterprise size company experience a plus
• Global experience desired
• 10+ years of experience as an IT leader with techno-functional hands-on experience and managing back-office IT systems and infrastructure.
• Proven ability to scale teams, build and retail right talent.
• Proven ability to design and implement new processes and facilitate user adoption.
• A documented history of successfully driving projects to completion.
• A demonstrated ability to translate complex requirements to infrastructure teams.
• Excellent English and great communication skills.