Network Engineer I

Information Technology St. Louis, Missouri


Description

Position Summary
 
McCarthy Holdings, Inc. is seeking a skilled and motivated Network Engineer to join our IT Network Team. As a Network Engineer 1, you will play a crucial role in ensuring the stability, security, and performance of our IT infrastructure, including installation, configuration, troubleshooting, and maintenance of business-critical systems vital to daily operations. Candidates should have strong communication skills and an understanding of network hardware, software, and protocols, and will be able to troubleshoot and resolve network issues in alignment with the company SLA for system uptime and customer response.
 
 
Key Responsibilities
 
  • Network Engineers are responsible for the network startup process for new sites. This includes discussing technology requirements with Regional IT Managers and Project Managers
  • Install and configure network devices such as routers, switches, firewalls, and wireless access points for new and existing jobsites and offices (LAN, WAN, WLAN), primarily Cisco Meraki environments.
  • Exhibit troubleshooting and problem-resolution skills to address network-related challenges promptly.
  • Coordinate the installation and configuration of services from Internet Service Providers (ISPs) at jobsites and offices across the country.
  • Travel as needed to deploy and manage network solutions
  • Install and configure security platforms that protect wired and wireless networks, including Network Access Control (NAC), Intrusion Detection Systems (IDS), and VPN services.
  • Technology planning for new branch offices and construction trailers. Joint Venture (JV) Technology Planning.
  • Provide Level-2/3 support and troubleshooting to resolve network issues, adhering to company policies for TTR and response time.
  • Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure
  • Maintain open lines of communication with Tier 1/ Tier 2 Helpdesk team members, to foster efficient issue resolution, effective troubleshooting techniques and timely escalations when needed.
  • Perform routine system maintenance tasks, including software and firmware updates, patch management, and vulnerability remediation of systems managed by Network Team
  • Oversee all aspects of network hardware inventory, including check-in, cleaning, functional testing, and organization; handle RMA requests and manage recycling of outdated equipment.
  • Build, document, and maintain an adequate inventory of deployment-ready Dudeboxes (network kits), handling all logistics—including Meraki build-outs, preparing required documentation, and shipping hardware as needed
  • Monitor network performance to ensure system availability and reliability
  • Work with outside vendors to support network, VoIP, and security equipment, as well as manage private network circuits.
  • Troubleshooting and remediation of network access control (NAC).
  • General support of AV and Conference rooms, and other conferencing Technologies, such as Polycom, Crestron, Teams Meeting Rooms.
  • Basic administration of M365 Collaboration services and licensing, including Teams Admin Center, Teams Meeting Rooms and Teams Voice and any related user/group management.
  • Monitor system performance and troubleshoot issues proactively to ensure optimal system uptime.
  • Maintain accurate and up-to-date documentation of system configurations, procedures, and troubleshooting guides in all areas of responsibility to ensure accountability and knowledge sharing
 
Qualifications
  • Proven experience as a Network Administrator, Network Engineer, Level 2 Support or similar role.
  • Hands-on experience with monitoring, network diagnostic, and network analytics tools
  • Excellent listening, communication, collaboration and interpersonal skills.
  • Strong organizational skills.
  • Ability to work with a team and individually.
  • Strong desire to provide exceptional customer service.
  • Driven to evaluate and recommend continuous improvement opportunities.
 
Minimum two years’ experience with the following:
  • Network administration in both Windows and Linux environments
  • Experience deploying branch office networks with Cisco Meraki Firewalls, Wireless and/or Switches.
  • Strong understanding of security best practices.
  • Strong knowledge of Windows Operating Systems
 
Additional Experience and Skills that are not required but would be beneficial:
  • Strong analytical, organizational, and decision-making skills to effectively manage network configurations and issues.
  • Familiarity with web proxy services, such as Zscaler.
  • Experience administering or deploying systems in public cloud platforms (AWS/Azure)
  • Experience with Network Access Control (NAC / 802.1x) platforms, specifically Forescout.
  • Relevant network-related certifications.
  • Basic experience with writing PowerShell scripts to perform administrative tasks
  • Familiarity and/or experience with scripting or automation tools
  • Basic knowledge of Microsoft Active Directory, Entra AD and OKTA
  • Tenable, Nessus or other vulnerability management products
  • Conference Room technologies, such as Android or Windows MTR devices, Crestron operations or programming
  • Experience supporting, managing or designing audio and video capabilities in enterprise conference rooms (TV/Displays, Microphones, Speakers, control panels, room schedulers, etc).  
  • Experience with Virtualization technologies (VMWare ESX, Hyper-V)

 

McCarthy is proud to be an equal opportunity employer, including disability and protected veteran status.