Senior Cloud & Infrastructure Engineer

Downingusa; Oklahoma City (OK); On-site; USD 120,000 - 150,000; Full time

Job summary

SEF Energy is seeking a Sr. IT Engineer to own and operate the infrastructure and systems that power our energy platforms. This on-site role in Oklahoma City covers cloud, networking, identity, and field-compute hardware across the Freedom Series fleet.

You will lead end-to-end projects, manage MS 365/Entra ID, SD-WAN, and hardware deployment at scale, with occasional travel and a focus on security and efficiency.

Qualifications

• 5+ years in IT engineering / systems administration with end-to-end ownership of infrastructure projects.
• Hands-on cloud administration: Azure required, AWS strongly preferred; certifications a plus.
• Strong networking depth: SD-WAN, branch networking, field connectivity.
• Microsoft 365 / Entra ID administration and endpoint management (Intune, Defender).
• Hardware fleet experience: imaging, deployment at scale, and device lifecycle management.

Responsibilities

• Own cloud infrastructure across Azure and AWS: architecture, administration, security posture, and cost management.
• Administer identity, accounts, and endpoints: M365, Entra ID, Intune, Defender.
• Lead mesh networking R&D and rollout: evaluate and standardize mesh radio tech.
• Manage Windows 11 rollout and PowerShell deployment at scale; SD-WAN standardization.
• Own lifecycle of field-compute hardware fleet and control-center units: imaging, config, staging, shipping, spares.
• Administer communication and physical-security platforms: cloud telephony, cameras, door-access systems.
• Maintain field data-ingestion standards and SOPs for operations.
• Run IT procurement and vendor management; quotes, RFPs, orders, escalations.
• Own inventory and asset management: audits, asset records, fleet inventory accuracy.
• Resolve infrastructure tickets in Freshdesk; support engineering platforms (QHSE, SolidWorks, SharePoint).
• Occasional travel to branch sites (<10%); valid driver’s license required.

Skills

End-to-end ownership

Time management

Self-directed

Cloud administration

Networking depth

Digital collaboration

Education

Bachelor's degree in Computer Science/Information Technology/Information Systems

Azure/AWS certifications

Tools

Microsoft Azure

AWS

PowerShell

Intune

Defender

Entra ID

Microsoft 365

Dialpad

Starlink

Peplink SD-WAN

Rajant

Mimosa

Meraki

SharePoint

Freshdesk

SolidWorks

Job description

SEF Energy is seeking a Sr. IT Engineer to own and operate the infrastructure and systems that power our energy platforms. This on-site role in Oklahoma City covers cloud, networking, identity, and field-compute hardware across the Freedom Series fleet.

You will lead end-to-end projects, manage MS 365/Entra ID, SD-WAN, and hardware deployment at scale, with occasional travel and a focus on security and efficiency.