Jobs in the United States

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Added 1 min ago
Shift Manager Operations
Cleveland-Cliffs Steel Corporation
United States
Must be willing to work rotating shifts, holidays and weekends when required
Added 1 min ago
Section Manager Health & Safety
Cleveland-Cliffs Steel LLC
United States
Cleveland-Cliffs has an immediate opportunity for a Section Manager Safety & Health at our New Carlisle Works facility. The Section Manager Safety & Health provides strategic leadership and…
Added 1 min ago
AC
Receptionist
Aston Carter
Doral, FL
- $19 to $20 USD / hour
Provide administrative support to the manager, drafters, designers, and all team members across the organization.
Added 2 mins ago
Supply Supervisor – MCPP (GPN Philippines)
KBR Services, LLC
Jacksonville, FL · Beaufort, SC · Camp Lejeune, NC
Must possess a valid state Motor Vehicle Drivers’ License · Must possess or be able to obtain a U.S
Added 4 mins ago
R
Onsite Community Association Manager (MBSC111026)
RealManage
Myrtle Beach, SC
- $72,000 to $75,000 USD / year
The Community Association Manager (CAM) is the key ambassador and face of RealManage, responsible for leading the day-to-day operations of a portfolio of community associations. In this…
Added 4 mins ago
Strategy Analyst Intern
World Omni Financial Corp.
FL
Must have completed at least one semester of coursework
Added 4 mins ago
Food Service Manager
Elior North America
Maryville, MO
…assist with overseeing all culinary, safety and sanitation, and operations functions for the…
Added 5 mins ago
Buyer I/Buyer II/Senior Buyer
City of New Braunfels
New Braunfels, TX
…Braunfels community. Under general supervision of the Purchasing Manager, provides support in the procurement of materials, services and equipment for City departments and operations;…
Added 5 mins ago
A
Logistics Delivery Supervisor
Altruix
Uniontown, PA
- $28 to $30 USD / hour
This position reports directly to the Regional Logistics Manager and provides oversight to Fleet Drivers. The Logistics Delivery Supervisor will support daily logistics operations across…
Added 6 mins ago
C
Sales Manager
Compass
Newport Beach, CA
- $150,000 to $175,000 USD / year
At least two years of experience as an Associate Sales Manager or 5+ years in real estate sales/sales management
Added 8 mins ago
Sr. Product Manager - Tech, OpsTech Solutions, OTS Delivery Software Engineering (DSE)
Amazon.com Services LLC
Austin, TX · Nashville, TN · Bellevue, WA
Every Amazon package that ships, every grocery order that is fulfilled, and every associate who needs IT help depends on technology our teams keep running. Amazon's OpsTech Solutions (OTS)…
Added 8 mins ago
Staff Investigator, Practice Operations Investigations and Claims
CECONY
NY
The Con Edison Law Department, Practice Operations, Litigation Center of Excellence is seeking a Staff Investigator who will investigate legal matters involving the Company and ensure that…
Added 8 mins ago
ES
Assistant Store Manager
Extra Space Management, Inc
La Quinta, CA
- $17 to $19 USD / hour
Day shift only: Office closes at 6pm
Added 8 mins ago
Assistant Store Manager
Extra Space Management, Inc
Claymont, DE
The Assistant Store Manager plays a pivotal role in supporting the daily operations of one or more self-storage locations, under the guidance of the District Manager and Store Manager. This…
Added 9 mins ago
BIM / VDC Coordinator II / III
Dennis Group
Springfield, MA
The BIM/VDC Coordinator II will take charge of BIM/VDC operations across all projects, ensuring seamless coordination with clients and sub-consultants to meet BIM/VDC standards. This role…
Added 9 mins ago
Immediate Paraprofessional
KIPP
Jacksonville, FL
Paraprofessionals support the instructional program and daily operations of the school by assisting teachers, students, and administrators. At KIPP Jacksonville Public Schools,…
Added 11 mins ago
TN
Research Experience Associate - Vartan Gregorian Center for Research in the Humanities
The New York Public Library
New York, NY
- $18 USD / hour
Under the supervision of the Manager of the Research Study Rooms, the Research Experience Associate plays a vital role in creating a welcoming environment for the 300 scholars of the…
Added 11 mins ago
Deli Clerk I
Festival Foods
Marshfield, WI
At Festival, people are at the top of our list. You’ll see it in everything from our daily interactions to how we treat our guests – even in our extensive associate benefits and programs.
Added 11 mins ago
FF
Part-Time Sales Associate - Famous Footwear
Famous Footwear
HOWELL, MI
- Part-time
As a Famous Footwear Sales Associate, you are passionate about providing the best shoe store experience for every customer. You do this by creating a welcoming environment and in-store…
Added 11 mins ago
Store Manager - Famous Footwear
Famous Footwear
Orlando, FL
Own Retail Operations: You’re an expert in day-to-day store operations (from pricing to shipment processing to inventory and everything in between) and put in the work so the store runs…
Added 14 mins ago
Food Services Director
Complete Care at Willow Creek
Somerset, NJ
Associate's or higher degree in food service management or in hospitality, including a course of study in food service or restaurant management from an accredited institution of higher…
Added 17 mins ago
MC
Limited Duration Case Manager Senior
Multnomah County
Portland, OR
- $34.82 to $42.83 USD / hour
Ability to interpret/apply complex federal, state, and local laws, rules, regulations, policies, and procedures related to program scope and operations
Added 19 mins ago
Clinical Engineering Operations Manager
Trimedx Holdings LLC
Jackson, MS
Every associate matters and makes a difference
Added 20 mins ago
Graduate Development Program, Associate Business Partner, Technology Business Partnering
natgridProd
Brooklyn, NY · Northboro, MA · Waltham, MA
Are you ready to start your career supporting the technology behind critical business operations? As an Associate Business Partner in Technology Business Partnering, you’ll help maintain…
Added 22 mins ago
Tenant Services Specialist
MIAMI VALLEY HOUSING OPPORTUNITIES INC
Dayton, OH
The primary purpose of this position is to support the Property Manager of Restoration Housing, General Franklin and Ohio Commons in the physical inspection and administrative functions of…

GUADALUPE-BLANCO RIVER AUTHORITY

SENIOR SYSTEM ADMINISTRATOR

New Braunfels, TX, United States

$74,121 to $123,534 USD / year

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Job details

Pay: $74,121 to $123,534 USD / year
Posting language: English
Posted: Nov 10, 2026

Original job description

Description Why join GBRA? · Competitive salary · Medical, Dental, Vision, and Life Insurance at no cost to employee · Texas County & District Retirement system matched 2:1 at retirement · Vacation and sick leave · Paid Holidays · 100% company-paid training · License incentive program · Educational assistance program · Safety boot program · Employee wellness program with gym reimbursement · Employee recognition events · Exclusive employee perks & discounts

FLSA STATUS: Exempt

PAY RANGE: $74,121.00 - $123,534.00

REPORTS TO: IT Operations Manager

WORK LOCATION: 2225 E. Common Street, New Braunfels, Texas 78130.

SUMMARY:

The Senior System Administrator manages GBRA's on-premises data center and cloud infrastructure, including servers, virtualization, storage, core services, hybrid identity, Azure, and Microsoft 365. The position maintains secure, reliable, and recoverable operations and independently determines technical methods to complete work within management-established priorities.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

ON-PREMISES INFRASTRUCTURE & DATA CENTER SYSTEMS

Administer physical and virtual servers, Windows Server, virtualization platforms, storage, and related data center infrastructure throughout their lifecycle, including provisioning, upgrades, migrations, and retirement.
Maintain core services including Active Directory Domain Services, Group Policy, file and print services, certificates, and service accounts.
Coordinate data center installation, cabling, power, cooling, firmware, and warranty support; troubleshoot host connectivity, virtual switching, VLANs, and firewall dependencies.

AZURE, MICROSOFT 365 & CLOUD SERVICES

Administer Azure infrastructure, including virtual machines, storage, resource groups, Application Gateway, backups, monitoring, networking, and hybrid connectivity; implement infrastructure integrations, migrations, and modernization.
Manage Azure subscriptions, role-based access, resource governance, usage, budgets, and cost optimization.
Administer Microsoft 365 tenant health, core service configuration, and infrastructure dependencies for Exchange Online, Teams, OneDrive, and SharePoint Online.

HYBRID IDENTITY, ACCESS & AUTOMATION

Administer hybrid identity across Active Directory and Microsoft Entra ID, including synchronization, authentication, groups, service identities, application registrations, SSO, MFA, Conditional Access, and administrative roles.
Monitor sign-in activity and identity risks; investigate authentication, access, and identity protection alerts and implement remediation.
Develop and maintain identity and infrastructure automation using Adaxes, PowerShell, Microsoft Graph, and scheduled tools, including provisioning, offboarding, group changes, and delegated administration.

SYSTEM RELIABILITY, SECURITY & RECOVERY

Monitor server, storage, virtualization, and cloud service health; investigate alerts and troubleshoot complex performance and availability issues.
Maintain system patching, configuration baselines, security hardening, vulnerability remediation, privileged access controls, and audit logging.
Administer backups, replication, high availability, and recovery capabilities; regularly test restores and disaster recovery procedures.
Support enterprise application infrastructure, including Windows services, SQL Server, certificates, file shares, and integrations; implement approved changes with testing and rollback plans.

PLANNING, DOCUMENTATION & COLLABORATION

Maintain infrastructure inventories, architecture diagrams, configurations, service dependencies, operating procedures, and recovery documentation.
Assess capacity, performance, technology lifecycles, and business requirements; recommend infrastructure improvements, standardization, upgrades, and retirement.
Coordinate infrastructure implementations, maintenance, and vendor escalations; serve as the escalation point for complex infrastructure incidents and service requests.
Perform other duties as assigned.

Requirements

KNOWLEDGE, SKILLS/ABILITIES:

Strong knowledge of Windows Server, Active Directory, virtualization, enterprise storage, data center infrastructure, and core network services.
Proficiency with Azure, Microsoft 365 applications, Entra ID, hybrid identity, and associated access and security controls.
Knowledge of server and cloud networking, system monitoring, patching, hardening, high availability, backup and recovery, and infrastructure lifecycle management.
Experience with PowerShell and identity/infrastructure automation; familiarity with Adaxes, Microsoft Graph, and Azure automation tools preferred.
Ability to troubleshoot complex systems, select technical approaches independently, and manage assignments according to established priorities.
Strong documentation, communication, customer service, and collaboration skills.

EDUCATION/CERTIFICATIONS:

Education:

Associate's Degree in Information Technology, Computer Science, Information Systems, or a related field preferred. Qualifying experience may substitute for formal education.

Certifications/Licenses:

Relevant Microsoft Azure, Microsoft 365, Windows Server, or virtualization certifications preferred.
Valid Class "C" Texas Driver's License with acceptable M.V.R.

EXPERIENCE:

Minimum of five years of increasingly responsible experience administering enterprise servers, virtualization, storage, Microsoft cloud services, or comparable hybrid infrastructure environments.

MANAGERIAL RESPONSIBILITIES

None.

PHYSICAL DEMANDS

The physical demands described here are representative of those required of an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Standard physical activity, including sitting, standing, walking, and use of standard computer equipment.

WORK ENVIRONMENT

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Work is performed in a combination of office, field, and industrial environments across GBRA's 10-county service area and may involve heat, cold, humidity, dust, and noise. Occasional travel and work outside standard business hours may be required to support projects, outages, commissioning, maintenance windows, conferences, or training.

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Jobs in the United States