Network Manager

Mitchell Martin Inc.; Purchase (NY); On-site; USD 110,000 - 140,000; Full time

Job summary

Mitchell Martin Inc. is seeking a Network Manager to lead a small team responsible for the administration of network devices, servers, and connectivity across multiple sites in the U.S. The role involves project leadership, vendor coordination, and ensuring high availability of critical infrastructure.

Responsibilities include managing network infrastructure, security audits, DR/BC testing, and documentation while coordinating with senior management and carriers to refresh and expand systems.

Qualifications

• College diploma or university degree in computer science or related field.
• 7–10 years of equivalent work experience.
• Experience managing network infrastructure and teams.
• CCNP certification preferred.
• Ability to lead projects and coordinate with vendors.

Responsibilities

• Maintain network infrastructure; internal/external connectivity, switches, firewalls routers, iOS versions, servers and technology hardware.
• Manage a team of two to five Network Engineers/Administrators, review and manage performance.
• Work with team members and cross-functionally as well as with Telecom carriers on technology projects and system refreshes.
• Participate in and manage system availability/security audits; recommend, resolve and close vulnerabilities.
• Maintain and administer intrusion prevention and detection systems.
• Configure and deploy infrastructure systems and solutions.
• Upgrade/Scale enterprise network by analyzing, assessing, testing and installing required components.
• Maintain network systems/device inventory and vendor contracts.
• Recommend and procure network devices and systems.
• Participate in and lead Disaster Recovery and Business Continuity tests and efforts.
• Document systems and connectivity topologies.
• Maintain a high level of system availability and work towards the elimination of single points of failure on the network.
• Monitor, optimize and tune internal/external networks and system performance.
• Participate in after-hours on-call rotation.
• Work closely with sr. management and team members to assist in the day-to-day technology operations – incident/ticket resolution, vendor meetings, documentation.
• Multiple Hyperscalers, supporting ERP applications and eCommerce, managed services and hosted platforms.
• Local Area and Software Defined Wide Area Networks utilizing switches, ASAs, and ION devices
• Multiple locations with data center operations in tiered environments, on-premises, co-location and hosted Infrastructure.
• Multiple office/branch locations across the U.S.
• Windows servers utilizing Active Directory - physical and virtual – on-premises and hosted.
• PCs (primarily Dell, Hp and Lenovo) in a mixed environment that includes Windows and Mac operating systems.
• Incident Management and Request help desk ticket system.

Skills

Network management

CCNA

CCNP

Active Directory

Windows Server

Vendor management

Incident response

Team leadership

Cross-functional collaboration

Education

Bachelor's degree in computer science or related field

Tools

Cisco IOS

LAN/WAN

Firewalls

SD-WAN

Job description

• The Network Manager supports the organization and the Technology Infrastructure team in daily technological operations from a network and systems perspective.
• The role is responsible for the management of a team and the proper administration and maintenance of network devices, systems, servers and connectivity.
• This person will also be involved and take a lead role in projects, particularly those that involve the build-out or relocation of technology services from site to site.
• The person will work closely with all Information Technology team members, technology vendors as well as across all divisions of the company.
• To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.

Job Responsibilities:

• Maintain network infrastructure; internal/external connectivity, switches, firewalls routers, iOS versions, servers and technology hardware
• Manage a team of two to five Network Engineers/Administrators, review and manage performance.
• Work with team members and cross-functionally as well as with Telecom carriers on technology projects and system refreshes
• Participate in and manage system availability/security audits; recommend, resolve and close vulnerabilities
• Maintain and administer intrusion prevention and detection systems
• Configure and deploy infrastructure systems and solutions
• Upgrade/Scale enterprise network by analyzing, assessing, testing and installing required components
• Maintain network systems/device inventory and vendor contracts
• Recommend and procure network devices and systems
• Participate in and lead Disaster Recovery and Business Continuity tests and efforts.
• Document systems and connectivity topologies
• Maintain a high level of system availability and work towards the elimination of single points of failure on the network.
• Monitor, optimize and tune internal/external networks and system performance
• Participate in after-hours on-call rotation.
• Work closely with sr. management and team members to assist in the day-to-day technology operations – assist in incident/ticket resolution, coordinate vendor meetings, provide consistent communication to/from the team, maintain and create technology documentation.
• Multiple Hyperscalers, supporting ERP applications and eCommerce, managed services and hosted platforms.
• Local Area and Software Defined Wide Area Networks utilizing switches, ASAs, and ION devices
• Multiple locations with data center operations in tiered environments, on-premises, co-location and hosted Infrastructure.
• Multiple office/branch locations across the U.S.
• Windows servers utilizing Active Directory - physical and virtual – on-premises and hosted.
• PCs (primarily Dell, Hp and Lenovo) in a mixed environment that includes Windows and Mac operating systems.
• Incident Management and Request help desk ticket system.

Necessary Skills, Knowledge and Abilities:

• Experience supporting cross-functional teams in a corporate environment
• Expertise in internal/external routing, network security, protocols and devices
• Skilled in Cisco Catalyst switches, routers and firewalls (CCNA)
• Configuration level knowledge of LAN/SD-WAN platforms and routing protocols
• Administrator level knowledge of Active Directory, Windows servers and desktops
• Ability to effectively manage network scalability, work with technology resources and vendors
• Excellent organizational and communication skills; ability to articulate technology concepts to non-technical personnel
• Experience creating documentation, topologies, and presentation information – Word, Excel, PowerPoint, and Visio
• Familiarity with ITIL concepts and procedures, incident management and response, production and staging environments as they relate to technology infrastructure
• Infrastructure Project and resource management skills
• Ability to interact with all levels of management
• Manage and develop direct reports, foster teamwork
• Solid organizational and communication skills.
• Domestic travel to support projects or break/fix efforts.
• College diploma or university degree in the field of computer science and/or 7 - 10 years equivalent work experience.

Desired Skills:

• Willingness to learn multiple systems to support the organization
• Professional level certification in Cisco switches, routers and firewalls (CCNP)
• Knowledge of Platform/Infrastructure – as a service models
• Familiarity with Out-of-Band management/cellular connection systems
• Experience working with operational and capital expense budgets