IT Infrastructure Specialist

Atalco Gramercy Operations; Gramercy (LA); On-site; USD 90,000 - 120,000; Full time

Job summary

Atalco Gramercy is seeking an It Infrastructure Specialist to own and maintain core infrastructure across Gramercy, LA and St. Ann, Jamaica. You will manage Windows Server, AD, VMware, Nutanix migration, and backups, while coordinating Cisco Meraki networks and VPNs.

The role requires 5+ years in production infrastructure, strong security practice familiarity, and experience with Microsoft 365, Entra ID, and hybrid deployments. On-site work with travel to St. Ann as needed.

Qualifications

• Bachelor's degree in IT, CS, IS, or related field; or associate degree with relevant experience and certs.
• Minimum five years hands-on infrastructure administration in production environments.
• Multi-site support experience with at least one site remote.

Responsibilities

• Owns core infrastructure including Windows Server, AD, VMware, Nutanix migration, and backups.
• Manage network and firewall design, VPNs, and site-to-site connectivity.
• Administer Microsoft 365, Entra ID, MFA, and hybrid workloads.
• Support cybersecurity controls per NIST CSF and CIS Controls; collaboration with MSPs.

Skills

Windows Server

Active Directory

Virtualization

Networking

Firewall & VPN

Microsoft 365

Identity & endpoint

Security practices

Documentation

Education

Bachelor's degree in IT/CS/IS

Associate degree + 2 years experience with cert

Tools

Nutanix AHV/Prism

Cisco Meraki

Veeam

Azure IaaS

MS 365 Admin

Job description

Description

Job Title: It Infrastructure Specialist

Department: Information Technology

Reports to: Sr. Manager, IT & Cybersecurity

Location: Gramercy LA

FLSA: Exempt

SUMMARY DUTIES AND RESPONSIBILITIES

Hands-on technical owner of Atalco’s server, virtualization, network, and cloud platforms across Gramercy, Louisiana and St. Ann, Jamaica. This is a generalist role in a small IT team: the successful candidate works across all four domains below, operates alongside managed service partners, and is accountable for executing the infrastructure and security controls defined in Atalco’s NIST CSF framework and IT & Cybersecurity Strategic Plan.

KEY RESPONSIBILITIES

Core infrastructure

Windows Server, Active Directory, VMware vSphere and the in-flight Nutanix hyperconverged migration, Veeam backup and restore testing, server lifecycle and licensing.

Network & firewall

Cisco Catalyst switching and VLAN design, Meraki MX firewalls, dual-carrier WAN, site-to-site VPN between plants, wireless, and network documentation.

M365 & cloud

Microsoft 365 tenant administration, Entra ID identity lifecycle and hybrid sync, MFA and conditional access, Intune, and Azure-hosted workloads.

Cybersecurity

MTSA cybersecurity support under 33 CFR Part 101, vulnerability and EDR management.

SKILLS, COMPETENCIES and QUALIFICATIONS

All requirements in this section must be met to advance to interview.

Education

Bachelor’s degree in IT, Computer Science, Information Systems, or related field. An associate degree plus two additional years of relevant experience, with a qualifying certification, may substitute.

Experience

Minimum five (5) years hands-on infrastructure administration in production, with demonstrated ownership of servers, virtualization, and networking — not ticket handling alone. Multi-site support experience required, including one site supported remotely. Manufacturing, industrial, energy, or other 24/7 operating environment strongly preferred.

Eligibility

Authorized to work in the U.S. without sponsorship. Must pass pre-employment background check and drug screen, and obtain a TWIC within 30 days of hire. Valid driver’s license; occasional travel to St. Ann, Jamaica (5–10%).

Technical area Required capability Minimum

Windows Server

Install, harden, patch, and troubleshoot Windows Server 2016–2022; PowerShell for routine administration and reporting. 4+ years

Active Directory

AD DS administration, replication troubleshooting, Group Policy design, DNS and DHCP. 4+ years

Virtualization

VMware vSphere/vCenter host and cluster management, vMotion, resource allocation, patching. Exposure to hyperconverged platforms (Nutanix, Azure Stack HCI, or similar). 3+ years

Backup & recovery

Enterprise backup administration (Veeam preferred): job design, replication, immutable/offsite copies, and performing documented restores. 3+ years

Networking

Cisco IOS switch configuration, VLANs, trunking, spanning tree, routing fundamentals, and structured troubleshooting from the physical layer up. 3+ years

Firewall & VPN

Firewall rule administration and site-to-site VPN on a commercial NGFW platform; Cisco Meraki is a direct match. 2+ years

Microsoft 365

Tenant administration across Exchange Online, SharePoint, OneDrive, and Teams via admin centers and PowerShell. 3+ years

Identity & endpoint

Entra ID administration, hybrid directory sync, MFA and conditional access; endpoint management via Intune or equivalent MDM. 2+ years

Security practice

Applied patch and vulnerability management, EDR, least privilege, and network segmentation; familiarity with NIST CSF, CIS Controls, or ISO 27001. 2+ years

Documentation

Produces network diagrams, runbooks, and change records that withstand audit review; prepared to show a redacted sample. Required

3. Preferred Qualifications

Technical Environment& program

• Nutanix AHV/Prism, or a completed HCI migration Industrial plant with OT / process control exposure
• Cisco Meraki dashboard at multi-site scale IT/OT segmentation orPurdue model implementation
• Veeam with immutable object storage NIST CSF or CIS Controls implementation and audit evidence
• Azure IaaS, networking, and cost management Maritime (MTSA / 33 CFR) or regulated-facility compliance
• Scripting beyond routine PowerShell Managing MSPs and holding them to SLA
• Monitoring and reporting Disaster recovery planning and live recovery exercises

Certification — preferred Valued

• CompTIA Network+ or Cisco CCNA M365 Administrator Expert
• Microsoft AZ-104 (Azure Administrator) Nutanix NCP-MCI
• VMware VCP-DCV CompTIA Security+
• Veeam VMCE

Note: certification is a tiebreaker, not a substitute for demonstrated hands‑on capability. A candidate who can walk through a real failure they diagnosed and fixed outranks one with more certifications and less production ownership.

LANGUAGE SKILLS

Ability to read, analyze and interpret information. Ability to write reports and basics business correspondence. Ability to effectively present information and respond to questions from groups, managers, clients, customers and the general public.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Upon request, reasonable accommodation may be made to enable individuals with qualified disabilities to perform the essential functions.

Ability to climb ladders and stairs up to 100 feet.

Must possess ability to carry and utilize all required personal protective equipment.

Prolonged standing in Units and sitting at a computer.

WORK ENVIRONMENT

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Upon request, reasonable accommodation may made to enable individuals with qualified disabilities to perform the essential functions.

Must be able to support plant operations which are in continuous operation and work outdoors in various types of weather conditions.

Fast-paced, high-pressure environment requiring flexibility and resilience

POST OFFER/ACCEPTANCE:

Must successfully complete Atalco Gramercy’s required drug screening and physical examination.

TWIC (Transportation Worker Identification Credential) required prior to offer acceptance; MSHA (Mine Safety and Health Administration) training to be completed upon hire.

Requirements

Education

Bachelor’s degree in IT, Computer Science, Information Systems, or related field. An associate degree plus two additional years of relevant experience, with a qualifying certification, may substitute.

Experience

Minimum five (5) years hands-on infrastructure administration in production, with demonstrated ownership of servers, virtualization, and networking — not ticket handling alone. Multi-site support experience required, including one site supported remotely. Manufacturing, industrial, energy, or other 24/7 operating environment strongly preferred.

Preferred Qualifications

Technical Environment& program

• Nutanix AHV/Prism, or a completed HCI migration Industrial plant with OT / process control exposure
• Cisco Meraki dashboard at multi-site scale IT/OT segmentation orPurdue model implementation
• Veeam with immutable object storage NIST CSF or CIS Controls implementation and audit evidence
• Azure IaaS, networking, and cost management Maritime (MTSA / 33 CFR) or regulated-facility compliance
• Scripting beyond routine PowerShell Managing MSPs and holding them to SLA
• Monitoring and reporting Disaster recovery planning and live recovery exercises

Certification — preferred Valued

• CompTIA Network+ or Cisco CCNA M365 Administrator Expert
• Microsoft AZ-104 (Azure Administrator) Nutanix NCP-MCI
• VMware VCP-DCV CompTIA Security+
• Veeam VMCE