IT Infrastructure Manager

Keystone Distinction Group; Lancaster (SC); On-site; USD 65,000 - 90,000; Full time

Job summary

Keystone Distinction Group is seeking an IT Infrastructure Administrator to maintain enterprise server and networking systems, including Windows AD, Office 365, and virtualization environments, ensuring reliable operation and security.

The role requires hands-on experience with Cisco routing/switching, VMware, and administering on-premises and cloud-based services, plus proactive problem solving and clear documentation for disaster recovery and capacity planning.

Qualifications

• 3–5 years hands-on experience with Cisco routing/switching, wireless networks, IP, and WAN maintenance.
• Experience with Windows Server OS 2016 to current, AD, DNS/DHCP, GPOs, and backups.
• Experience with anti-virus, endpoint security, and on-premises and cloud hosted systems.

Responsibilities

• Administer and maintain systems and networking for servers and software; troubleshoot and resolve problems.
• Apply security protocols to protect server and networking systems.
• Perform systems administration for Windows AD, O365, patches, and backups.
• Manage Cisco switches/routers and firewall appliances; monitor performance.
• Document environments for disaster recovery and provide project updates.

Skills

Cisco networking

Windows Server

Active Directory

Office 365

VMware virtualization

Security practices

DNS/DHCP

RAID storage

Education

Associate degree in Computer Science or equivalent

Industry certifications (MCSE, Azure, Network+)

Tools

VMware

Microsoft Exchange

Office 365 admin tools

Job description

Summary of the Position

The IT Infrastructure Administrator is responsible for the maintenance, configuration, and reliable operation of enterprise level server and networking systems and related applications. They will install server and networking hardware, software, and participate in research and development to continuously improve and keep up with the IT business needs of the organization. The IT Infrastructure Administrator also actively resolves problems and issues with networking and server systems to limit work disruptions within the company. The IT Infrastructure Administrator is responsible for independently researching and implementing new technologies, developing and following project plans while keeping the team and the department manager up to date on the latest project progress.

Roles and Responsibilities

• Administer and maintain systems and networking support for software, hardware, servers and networking: test, troubleshoot, diagnose, and resolve all related problems
• Utilize best-in-class security protocols to protect existing and new server and networking systems
• Perform systems administration functions for Windows AD infrastructure, Office 365, software updates and patches, anti‑virus, local company systems, various communication systems, cloud hosted company systems and backups
• Perform network administration functions for Cisco based switches, routers, wireless access points, firewall appliances, etc.
• Prepare and maintain written documentation of server, networking and application environments for disaster recovery
• Collaborate with Sr. Systems Administrators, Sr. Network Administrators, Helpdesk personnel, and company users regarding current and prospective system changes and future needs
• Responsible for the maintenance and reliable operation of virtual servers, and virtualization environments
• Install and upgrade server and networking components / software and integrate automation processes to improve workflows and save time
• Troubleshoot server, networking hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing the impact of issues
• Provide documentation and technical specifications to IT staff for planning and implementing new or upgrades of IT infrastructure
• Assist with the assessment of current and future capacity, storage, and database performance of various server and networking systems
• Providing timely communication and resolution of project updates and issues escalated from the helpdesk department
• Improve business unit synergies through technology systems integration
• Look for ways to enhance and support compatibility between existing server and networking systems
• Regular auditing of all local and cloud hosted system access privileges
• Work to automate repetitive systems and networking administration functions that staff are currently spending time as regular maintenance items
• Assist with outlining and implementing authentication measures to increase security but also create SSO environments to ease user authentication challenges
• Regular attendance is required
• Perform other assigned duties and follow verbal and written instructions issued by supervisor or designee related to meeting company goals and objectives
• Communicate effectively with other departments within the organization and function within a team environment

Minimum Requirements

• Strong working knowledge with minimum of 3 to 5 years of hand‑on experience with the following:
• Cisco-based Routing / Switching, Wireless Networks, IP, Advanced Protocols, LAN and WAN maintenance and administration
• Microsoft Server OS versions 2016 to most recent, Microsoft Active Directory, O365 / MS Exchange, DNS, DHCP, Group Policies, RAID hardware configurations
• Desktop / laptop operating systems such as Windows 10 and 11 for testing how server and network changes may impact staff computer systems
• Monitoring and tuning server and network level systems to achieve optimum performance levels
• VMware 8 or other virtualization systems experience – implementation, configuring, managing virtual servers
• Enterprise level anti‑virus, endpoint security and / or next generation security software
• Implementation, management and support of enterprise level on‑premises IP telephony systems
• Server and network major and minor hardware installations and upgrades
• Implementing and effectively developing IT operations best practices, including top‑tier knowledge of security, storage, data protection, and disaster recovery protocols
• Strong, proven skill sets of the following:
• Problem‑solving and troubleshooting of issues or challenges that may arise with assigned projects or tasks
• Interpersonal, good communications with the ability to work effectively alongside a wide range of staff in a diverse company community
• Excellent and appropriate verbal, phone and written etiquette
• Ability to follow instructions, work under the direction of a supervisor, and multi‑task various projects and day‑to‑day issue resolution
• Be reliable and possess good organizational skills
• Ability to lift, move and inspect general IT equipment, servers, switches, routers, printers, and related equipment associated with job duties up to 25 pounds
• Capable of sitting for prolonged periods of time at a computer screen
• Work in standard office conditions but may be required to travel to other areas of the building, including Good Manufacturing Practices (GMP) areas to resolve issues or project tasks
• Communicate effectively with the IT team, supervisors and other departments within the organization and function within a team, promoting a positive work environment
• Expertise in cost analysis and control pertaining to systems in use at the company or being looked at as viable options
• Proven conception to completion experience deploying new systems in a production environment
• Perform other assigned duties and follow verbal and written instructions issued by supervisor or senior level systems administrators / designee related to addressing ongoing projects, immediate issues or outages and overall meeting company goals and objectives

Education

• Associate degree in Computer Science (BS preferred) and/or equivalent technical certification with a minimum of 3 to 5 years of proven System and Network Administrator experience
• Industry‑recognized technical server‑based certification such as Microsoft MCSE, Azure Administrator Associate, VMware Certified Professional, Network+, Server+ or A+ preferred but not required for position
• Industry‑recognized technical networking‑based certifications such as CompTIA Network+, CCNA, CCNP preferred but not required for position