Senior Network & Infrastructure Engineer

Job DescriptionJob Description

AAC is looking for a Senior Network & Infrastructure Engineer for a position working on-site for our client located in Columbia, SC.

Position Summary

• Responsible for maintaining the design, security, and integrity of an enterprise internal network infrastructure.
• Design, implement, and test complex infrastructure solutions in support of business and customer technology needs.
• Provide onsite and remote support for environments with critical response-time requirements.
• Work independently and collaboratively to handle service desk requests, analyze urgent technical issues, and resolve Level 1, Level 2, and Level 3 escalations.
• Deliver first-line IT support through help desk and ticketing systems.
• Troubleshoot user networks, hardware, software, and services via phone, onsite interaction, and remote access tools.
• Train and mentor Tier I support analysts.
• Secure and manage network infrastructures to protect productivity, mitigate threats, and optimize operational costs.
• Provide Level 1 and Level 2 end-user support as required.
• Deliver technical services and operational support across:
• • Network infrastructure: WAN/LAN connectivity, routing, switching, firewalls, and security
  • Internal systems, cloud platforms, and network services
  • Microsoft technologies: Windows, Windows Server, Exchange, SQL Server, SharePoint
  • Virtualization platforms: VMware and Microsoft-based solutions
  • Remote access technologies: VPNs, terminal services, and virtual desktop solutions
  • Remote monitoring and management systems for alerts and notifications

Key Responsibilities

• Design, implement, document, and enforce network and system standards.
• Develop new infrastructure solutions and improve resilience and performance of existing environments.
• Monitor and optimize network performance, troubleshoot outages, and collaborate with architects on optimization initiatives.
• Conduct data network fault investigations across local and wide area networks using multiple diagnostic sources.
• Secure network systems by defining, enforcing, and monitoring access controls and security policies.
• Support and administer firewall environments in accordance with IT security standards.
• Maintain current technical knowledge through training, professional publications, and industry participation.
• Report on network operational status, prioritize issues, and manage assigned projects.
• Upgrade network equipment to stable firmware and software releases.
• Configure routing and switching equipment.
• Configure and support hosted IP voice and unified communications solutions.
• Perform baseline firewall configuration and troubleshooting.
• Provide remote support to onsite engineers and end users during installations and deployments.
• Troubleshoot and resolve issues during and after initial installations.
• Manage IP address capacity, audits, and hosted device inventories in data center environments.
• Design, manage, and support system-level backup and restore processes across physical and virtual infrastructures.
• Support and enforce cybersecurity policies, tools, and initiatives related to network security.
• Participate in infrastructure modernization initiatives, including storage, compute, and communications platforms.
• Take ownership of assigned projects and proactively identify opportunities to improve system performance, reliability, and scalability.

Knowledge, Skills & Abilities

• Minimum of 5 years of relevant IT or network infrastructure experience
• Industry certifications (e.g., A+, Security+, or equivalent experience)
• Associate degree in Computer Science, Engineering, or equivalent combination of education and experience
• Strong knowledge of networking technologies and concepts, including:
• • Switching protocols (STP, VTP, EtherChannel, LACP)
  • Advanced VoIP and unified communications systems
  • Wireless networking architectures
  • Virtual networking environments (e.g., VMware vSphere)
• Familiarity with IT operational processes such as change management, availability monitoring, testing, and capacity planning
• Methodical and analytical approach to troubleshooting
• Excellent communication and documentation skills
• Highly organized with the ability to manage multiple projects and shifting priorities
• Ability to work independently or collaboratively in a team environment
• Strong attention to detail
• Experience supporting regulated or manufacturing environments is a plus
• Ability to translate strategic objectives into actionable results and accept accountability
• Ability to influence, motivate, and collaborate effectively across diverse teams
• Strong self-management skills, integrity, and ability to perform under pressure
• Ability to foster a collaborative environment that values trust, teamwork, learning, and open communication

Company DescriptionAdvanced Automation Consulting, Inc., headquartered in Columbia, SC, is an IT Consulting Services firm focused on the long-term success of our clients and consultants. At AAC, we never lose our intense, passionate focus on the needs of our clients. We attract and retain the best and brightest consultants and provide them with support, training, and the project discipline to ensure the success of our clients and AAC.

We operate at the highest level of integrity at all times, strive to be the *Best of the Best* in all that we do, and we are the Best Value service provider to our clients.Company DescriptionAdvanced Automation Consulting, Inc., headquartered in Columbia, SC, is an IT Consulting Services firm focused on the long-term success of our clients and consultants. At AAC, we never lose our intense, passionate focus on the needs of our clients. We attract and retain the best and brightest consultants and provide them with support, training, and the project discipline to ensure the success of our clients and AAC. \r\n\r\nWe operate at the highest level of integrity at all times, strive to be the *Best of the Best* in all that we do, and we are the Best Value service provider to our clients.