Senior IT Administrator Jobs

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IT Applications Administrator Lead

Harris County

Houston, Texas, USA

Full-time

Salary: Depends on Qualifications Location : Houston, TX Job Type: Regular Full-time Job Number: 15204 Department: Institute of Forensic Sciences Division: Systems Support Services Opening Date: 07/01/2025 Closing Date: 9/29/2025 11:59 PM Central Max Number of Applicants: 100 Position Description Mission The Mission of the Harris County Institute of Forensic Sciences is to provide medical examiner and crime laboratory services of the highest quality in an unbiased manner with uncompromised inte

IT Networking and HW Administrator

Leidos

Lorton, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. The Leidos National Security Sector combines technology-enabled services and mission software capabilities in the area

IT Asset Administrator

DMI

Crownsville, Maryland, USA

Full-time

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, ef?cient, and cost-effective solutions that drive measurable results. Learn more at

IT Systems Administrator

Postman, Inc.

Boston, Massachusetts, USA

Full-time

Who Are We? Postman is the world's leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration-enabling users to create better APIs, faster. The company is headquartered in San Francisco and has an office in Bangalore, where it was founded. Postman is privately held,

IT Systems Administrator

Kforce Technology Staffing

Tampa, Florida, USA

Full-time

RESPONSIBILITIES: Kforce has a client in Tampa, FL that is seeking a skilled IT Systems Administrator to join their team. The ideal candidate will be responsible for designing, implementing, and maintaining our IT infrastructure to ensure optimal performance and security. Responsibilities: * Design, implement, and manage efficient and scalable IT infrastructure solutions, including on-premises servers, networks, storage, and cloud-based systems * Ensure high availability, performance, and relia

IT Systems Administrator - Top Secret Clearance

SpaceX

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for a Systems Administrator with deep knowledge and broad experience across Microsoft-based technologies, in addition to broader experience and capabili

Monitoring and Performance Administrator, IT Infrastructure

tax.com

Remote or Manila, Metro Manila, Philippines

Full-time

Why Ryan? Flexible Work EnvironmentAward-Winning CultureWorld-Class Benefits and CompensationAccelerated Career PathCommunity OutreachMentorship OpportunitiesWellness-Centric Benefits At Ryan, we pride ourselves on maintaining a robust and efficient IT infrastructure that supports our dynamic business operations. We are seeking a dedicated Monitoring and Performance Administrator to join our team and ensure the optimal performance and reliability of our systems and networks. The Monitoring and

IT Security Administrator

Mako Professionals

Tampa, Florida, USA

Full-time

Information Security Administrator Location: On-site in Tampa, FL Start: ASAP Overview: Mako Professionals is seeking an experienced Information Security Administrator to support compliance, risk mitigation, and data protection efforts within a high-security environment. The ideal candidate will have a strong background in IT security governance, regulatory frameworks, and hands-on experience with security tools, network controls, and compliance assessments. Key Responsibilities: Analyze

Manager IT Administrator

Lifespace Communities Inc

Dallas, Texas, USA

Full-time

Community: Texas Home Office Address: 3501 Olympus Boulevard Dallas, Texas 75019 Pay Range $35.35-$48.61+ Hourly Live your purpose. Grow your career. Thrive through teamwork. Create meaningful, personalized experiences. At Lifespace, team members are at the center of delivering a purpose driven experience for our residents! We provide an environment where each team member can live their aspirations, developing in their career, making a difference, and being a part of a meaningful mission.

IT Administrator / Systems Admin - Security & Infrastructure - Must be local to Arizona

IES Holdings, Inc.

Tempe, Arizona, USA

Full-time

Job Description Job Title: IT Administrator / Systems Administrator - Security & Infrastructure Reports To: IT Manager Job Summary: Under the direction of the IT Manager, the IT Administrator will oversee and optimize the security and infrastructure of a complex, multi-network, multi-location Windows-based IT environment supporting over 4,000 user accounts. This role requires advanced technical skills balanced with strategic leadership, a deep commitment to cybersecurity, and proven experien

Senior IT Business Partner

IMA Financial Group

Denver, Colorado, USA

Full-time

DESCRIPTION: The Senior, IT Business Partner is responsible for building relationships with key business stakeholders to ensure that the IT organization, strategy and portfolio aligns to business strategy and objectives. They will also ensure that the business is aware of and aligns with the overall IT/technology strategy to help them take advantage of existing and evolving technology innovations. The primary goal will be to work with the business to maximize the benefits of technology in the fu

IT Systems Administrator

Aziro Technologies LLC

Palo Alto, California, USA

Contract

Job Title: IT Systems Administrator Location: Palo Alto CA Duration: 6 Months We're seeking a motivated and detail-oriented System Administrator to join our growing IT team here at Rubrik. This role is ideal for someone with approximately 3 years of hands-on experience in system administration, eager to expand their skills across a diverse technology stack and contribute to the stability and performance of our critical infrastructure. This position will report to the Director of Global IT and y

Network Administrator, Bureau of IT Infrastructure and Support Services

City of New York

Queens, New York, USA

Full-time

Company Description Job Description OPEN TO PERMANENT TELECOMMUNICATIONS ASSOCIATE AND THOSE WHO PASSED THE EXAM # 3061. AMENDED **. The Division of Information Technology's mission and vision is to promote and protect the health of all New Yorkers through the use of innovative technology and health information that is useful and available. The nation's leading local health department seeks a Infrastructure and Facilities Coordinator to join its award-winning, innovative technology team in re

IT, Client Technologies Administrator 3

Yale University

New Haven, Connecticut, USA

Full-time

Essential Duties Responsible for the day-to-day operations, incident management, technical support, administration, maintenance, implementation, and configuration for desktop, print, wired/wireless/data/security network, specialty computing devices and related hardware and software. Responsible for responding to and resolving complex technical problems, providing tier 2 and tier 3 support utilizing a variety of tools and techniques. Assess and recommend computer hardware needs. Assist with th

IT Systems Administrator, Launch

SpaceX

Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR, LAUNCH SpaceX is looking for a highly skilled and knowledgeable IT Systems Administrator to support the networking, compute administration, and application support needs of our launch environ

Lead Specialist - IT SAP HANA Basis Administration Administrator

Energy Transfer

Houston, Texas, USA

Full-time

Essential Duties and Responsibilities : Responsible for the installation, configuration and maintenance of the SAP systems and will assist in the planning, designing, and architecting of SAP systems across a variety of platforms. Installs support packs, conducts upgrades, conducts failover of production systems, and monitors and ensures performance of SAP systems. Administration of SAP system integration within company's SAP Landscape. Role covers S/4HANA, PI/PO, MDG, SLT, GRC, BPC, BW4HANA, S

IT Developer - System Administrator

ALTA IT Services

Vienna, Virginia, USA

Full-time

Job Title: IT Developer - System Administrator Location: Vienna, VA Type: Contract Contractor Work Model: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: Extensive Java Development Experience: Proven expertise in building scalable and maintainable backend systems using Java. Strong Spring Boot Proficiency: Hands-on experience developing microservices and RESTful APIs with Java and Spring Boot. Cloud Experience with Microsoft Azure: Familiarity

IT Developer - System Administrator

System One

Vienna, Virginia, USA

Contract

Job Title: IT Developer - System Administrator Location: Vienna, VA Type: Contract Contractor Work Model: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: Extensive Java Development Experience: Proven expertise in building scalable and maintainable backend systems using Java. Strong Spring Boot Proficiency: Hands-on experience developing microservices and RESTful APIs with Java and Spring Boot. Cloud Experience with Microsoft Azure: Familiarity

IT Systems/Network Administrator

Infinite Dimensions

Minneapolis, Minnesota, USA

Full-time

We need following candidate: Title: IT Systems/Network Administrator Location: Minneapolis, MN Onsite Role Fulltime Requires testing, quality assurance, configuration, installation, implementation, maintenance and management of networked systems used for the transmission of information in data, voice and/or video format, ensuring systems availability, functionality, integrity, and efficiency. Contractor may be granted administrative rights at the discretion of the USAO-MN. Ensures the confident

IT Endpoint Systems Administrator

Kforce Technology Staffing

Orlando, Florida, USA

Full-time

RESPONSIBILITIES: Kforce has a client in Orlando, FL that is seeking an IT Endpoint Systems Administrator responsible for supporting Endpoint Management to include laptop, desktop, and user mobile devices. Responsibilities: * Administer the Client Management System for system deployment, provisioning, and lifecycle management; This includes monthly patch management targeting workstations across the enterprise, security vulnerability remediation, OS images creation, software packaging, and softwa