Senior Infrastructure Engineer

Loxo; Terre Haute (IN); Hybrid; USD 110,000 - 140,000; Full time

Job summary

Loxo in Terre Haute, IN is seeking a Senior Infrastructure Engineer to design, secure, and manage enterprise hosting and hybrid environments across on‑premises, cloud, and multi‑client setups.

You will lead complex projects, mentor staff, respond to incidents, and develop automation with PowerShell while maintaining thorough documentation and standards. The role blends hands‑on engineering with strategic planning in a fast‑paced MSP‑like setting.

Qualifications

• 7+ years of systems engineering/infrastructure admin experience.
• 3+ years MSP experience preferred.
• Strong Windows Server, AD, DNS, DHCP, GPO, and VMware expertise.

Responsibilities

• Design, implement, maintain secure, scalable, and highly available infrastructure environments.
• Administer Windows Server, Active Directory, DNS, DHCP, Group Policy, and IIS.
• Manage VMware vSphere environments, storage platforms, and virtualization infrastructure.

Skills

Infrastructure architecture

Systems admin

Troubleshooting

Technical leadership

Cybersecurity

Client management

Documentation

Communication

Organization

Problem-solving

Education

CISSP

VMware VCP

Cisco CCNA/CCNP

Fortinet FCP/NSE

CompTIA Security+

CompTIA Network+

Veeam VMCE

Tools

Windows Server

Active Directory

Group Policy

DNS

DHCP

PowerShell

VMware vSphere

TCP/IP

Routing

Switching

VLANs

VPNs

Firewalls

Wireless

Azure & 365

Job description

Job Title: Senior Infrastructure Engineer

Location: Hybrid in Terre Haute, IN

Required Technical: Windows Server, Active Directory, Group Policy, DNS, DHCP, PowerShell, VMware vSphere, TCP/IP, routing, switching, VLANs, VPNs, firewalls, wireless, MS Azure & 365.

Required Skills: Infrastructure architecture, systems admin, troubleshooting, technical leadership, cybersecurity, client management, documentation, communication, organization, problem-solving.

Preferred Technical: Azure Virtual Desktop & Site Recovery, Azure Backup, Microsoft Entra ID, Microsoft Intune & Defender, Veeam Backup & Replication, Datto BCDR, Fortinet, SonicWall, Cisco, Meraki, Ubiquiti, Dell, Synology, NetApp, HPE, ConnectWise Manage & Automate, PowerShell.

Preferred Certifications: CISSP, VMware Certified Professional (VCP), Cisco CCNA or CCNP, Fortinet FCP/NSE, CompTIA Security+, CompTIA Network+, Veeam VMCE.

Employer Value Prop: Serve as a trusted technical advisor supporting secure, resilient infrastructure for multiple clients. We encourage every employee to focus each day on making a positive impact on themselves, their teammates, our customers, and the communities we serve. Our culture is centered on accountability, customer service, collaboration, and continuous improvement.

As the Senior Infrastructure Engineer, you'll be responsible for the administration, security, availability, and performance of enterprise hosting and infrastructure environments. Work across on-premises, cloud, and hybrid environments while serving as a technical leader for complex client infrastructure, projects, escalations, and modernization initiatives.

Why This Opportunity Stands Out

• Serve as a trusted technical advisor for multiple client environments.
• Work across Windows Server, VMware, Azure, networking, storage, security, and backup.
• Lead infrastructure upgrades, migrations, cloud projects, and modernization initiatives.
• Own complex technical escalations and critical infrastructure incidents.
• Mentor junior technical staff and help establish infrastructure standards and best practices.
• Build leadership experience while remaining hands-on with enterprise infrastructure.

What You'll Do

• Design, implement, maintain secure, scalable, and highly available infrastructure environments.
• Administer Windows Server, Active Directory, DNS, DHCP, Group Policy, and IIS.
• Manage VMware vSphere environments, storage platforms, and virtualization infrastructure.
• Deploy and manage Microsoft Azure & 365 environments and support hybrid cloud solutions.
• Design, troubleshoot firewalls, routing, switching, VLANs, VPNs, wireless, and network security.
• Manage backup, disaster recovery, and business continuity solutions.
• Lead server, storage, networking, cloud, and infrastructure implementation projects.
• Serve as the highest escalation point for complex server, networking, virtualization, cloud issues.
• Perform root cause analysis, vulnerability remediation, system hardening, infrastructure tuning.
• Develop PowerShell automation and standardize infrastructure configurations and processes.
• Maintain infrastructure documentation, network diagrams, SOPs, and knowledge base articles.
• Coordinate with clients, vendors, and internal teams during projects and critical incidents.
• Participate in an on-call rotation and respond to critical infrastructure incidents.

What Makes You Successful: You enjoy solving complex problems and taking ownership of critical environments. Move comfortably between hands-on technical troubleshooting, infrastructure design, project leadership, and client communication. You stay calm during critical incidents, think strategically about long-term solutions, and can explain complex technical concepts to stakeholders.

What You'll Bring

• 7+ years of systems engineering/infrastructure admin and 3+ years of MSP experience.
• Windows Server, Active Directory, Group Policy, DNS, DHCP, PowerShell, VMware, vSphere.
• Strong networking knowledge across routing, switching, VLANs, VPNs, firewalls, and wireless.
• Experience with MS Azure & 365, disaster recovery, and business continuity solutions.
• Troubleshooting, analytical, project management, leadership, and communication skills.
• Ability to independently manage multiple client environments and complex technical projects.
• Ability to occasionally travel between company locations and participate in on-call support.