IT Infrastructure Specialist

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 Atalcos 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 Atalcos 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

Bachelors 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 drivers license; occasional travel to St. Ann Jamaica (510%).

Technical area Required capability Minimum

Windows Server

Install harden patch and troubleshoot Windows Server ; 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 Gramercys 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.

Education

Bachelors 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