System Administration Jobs in United States
There are 141 open System Administration jobs in United States on freehire right now. 71 of them were posted recently. The skills employers ask for most often are linux, automation and networking.
Most requested skills
- linux 48%
- automation 46%
- networking 41%
- cybersecurity 37%
- active-directory 35%
- cloud 35%
- vmware 30%
- windows-server 28%
How the work is done
- Onsite 11 · 8%
- Hybrid 9 · 6%
- Remote 8 · 6%
Visa sponsorship offered in 0% of the 11 postings that state a position on it.
Seniority
- Senior 30
- Junior 4
- Lead 3
- Middle 2
- Intern 1
- Principal 1
Who is hiring
- 1000+ employees 6
- 501-1000 employees 1
Systems Administrator (Austin)
Senior-level systems administrator at the Texas Workforce Commission in Austin, keeping core Windows Server, Active Directory, Azure/Entra ID, and cloud systems running securely. Day-to-day involves identity and privileged access management, patching and compliance, backups, scripting automation, and on-call support.
Systems Administrator (Austin)
Senior-level Systems Administrator at the Texas Workforce Commission in Austin, keeping Windows Server, Active Directory, and Microsoft Entra (Azure AD) environments running reliably. Day to day involves identity and privileged access management, patching and vulnerability/compliance work, backups, and automation via PowerShell scripting.
Systems Administrator
Firestorm is looking for a Systems Administrator who will provide Tier 1 and Tier 2 technical support and will maintain our operational IT infrastructure. You will handle end-to-end endpoint provisioning and device…
Senior Staff Systems Administrator
Firestorm is looking for a Senior Staff Systems Administrator who will design, maintain, and scale our core IT infrastructure and advanced systems environment. You will provide engineering and escalation support,…
JWICS Systems Administrator
On-site systems administrator supporting a classified Air Force ISS program at Hurlburt Field, FL: daily Windows administration of NIPRNet, SIPRNet and JWICS workstations and LAN servers in SAPF/SCIF environments, plus COMSEC duties, SETA program support and VTC maintenance per DoD 8570.01/8570.01-M, RMF/JSIG requirements.
Sr. IT Systems Administrator (Top Secret Clearance)
Senior IT Systems Administrator at SpaceX supporting enterprise Microsoft, Linux, and networking systems for classified and mission-critical environments, with a focus on automation and high-resilience infrastructure.
Sr. IT Systems Administrator, IT Applications
Senior IT Systems Administrator responsible for managing and integrating Atlassian tools (Jira, Confluence) with enterprise systems, APIs, and SaaS platforms while ensuring security and reliability in a Linux environment.
Sr. IT Systems Administrator, IT Applications
Senior IT Systems Administrator responsible for designing, building, and maintaining integrations between SaaS tools, CRM, ERP, billing systems, and internal applications using RESTful APIs, GraphQL, and webhooks, while administering the Atlassian suite (Jira, Confluence, etc.) in a Linux environment.
IT Systems Administrator, Launch
Maintains and deploys mission-critical IT infrastructure for SpaceX’s launch operations, including servers, networks, and automation tools to support safe and frequent rocket launches.
Video & Voice Systems Administrator
Designs, installs, and fully owns video and voice systems at SpaceX data center and power generation facilities, leading large-scale AV projects from planning to handover and overseeing contractor crews. Works with AV control and transport technologies such as Q-SYS, Crestron, AES67, Dante, SRT, RTSP, and RTMP.
IT Systems Administrator, Manufacturing
Supports and deploys mission-critical IT infrastructure — networking, Linux/Windows servers, and desktop hardware — for SpaceX's rocket manufacturing factories at Starbase, TX. Day to day involves upgrades and patching, incident response, documentation, automation, and keeping systems compliant with ITAR/ISO/NIST cybersecurity standards.
Sr. IT Systems Administrator, Mission Systems
A senior IT systems administrator at SpaceX's Vandenberg launch site who designs, deploys, and maintains mission-critical networking, server, and desktop infrastructure supporting launch operations, provides direct IT support during launch and test campaigns, and automates systems using Linux/Windows administration and IaC tools like Terraform and Ansible.
IT Systems Administrator (Top Secret Clearance)
An IT Systems Administrator at SpaceX supporting internal personnel and systems: designing, deploying, and managing resilient enterprise and air-gapped classified environments built mainly on Microsoft technologies (Windows, AD, Exchange, SharePoint) plus networking and Linux, with scripting/automation via PowerShell. Requires an active Top Secret clearance.
Systems Administrator
In-house Systems Administrator at AB Martin, a family-owned building materials company in Ephrata, PA. Day to day: manage Windows/Linux servers, Microsoft SQL Server, Active Directory and Microsoft 365, oversee network/firewall infrastructure, backups and cybersecurity, and lead a small IT support team while modernizing systems.
Learning Systems Administrator
Share 56108BR ## Learning Systems Administrator General Atomics San Diego California Job Summary GA’s Electromagnetic Systems (EMS) Group focuses on the military and commercial applications of advanced electromagnetic…
IT Systems Administrator
IT Systems Administrator at EquipmentShare's Columbia, MO headquarters acts as the escalation point for complex IT issues — troubleshooting endpoints (Intune, Jamf), identity (Okta, Google Workspace), cloud platforms (AWS/GCP), Windows/macOS/Linux, and networking — while handling documentation, migrations, and an on-call rotation.
PC-Windows Administrator
Mueller Refrigeration has an immediate opening for a PC-Windows Administrator skilled at provisioning, installing/configuring, maintaining and supporting Windows systems hardware and software, and related…
IT Administrator Support
Horizon Forest Products is the distributor of Impressions Flooring Collection and offers customers over 75 years of industry experience and one of the most comprehensive inventories of pre-finished and unfinished…
DSHS FTAA Senior IT System Administrator
Working supervisor and senior technical authority for Washington State DSHS's SOLA program, leading a distributed IT team that keeps 24/7 networks, servers, Active Directory, telecoms, and end-user computing running across 11 field offices and 80+ residential care homes. Official workstation is in Tumwater, WA with limited hybrid remote and travel to field offices statewide.
Windows System Administrator (Remote Opportunity)
Windows System Administrator supporting enterprise healthcare IT operations for the Department of Veterans Affairs: installing, patching, and hardening Windows Server, managing Active Directory/Group Policy, Hyper-V virtualization, Commvault backups, and SCOM/SolarWinds monitoring with STIG compliance. Fully remote; requires U.S. citizenship and Public Trust clearance.