UNKNOWN

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Key Responsibilities Platform Administration: Own the administration, security, optimization, and support of Databricks accounts, workspaces, Unity Catalog metastores, clusters, SQL warehouses, jobs, instance pools, repositories, libraries, secrets, and access controls on AWS. FinOps & Cost Management: Drive FinOps practices by analyzing DBU and AWS consumption, enforcing tagging strategies, establishing budgets, optimizing compute configurations, and reducing idle or inefficient resources.

Argyllinfotech

AWS Databricks Platform Administrator

Ceipal

August 31, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Splunk Administrator

sourcestack_via_bold

The Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support Intelligence Community customers as they address evolving national security challenges. As a Senior Linux Systems Administrator – Quality Assurance, you will leverage your experience to resolve complex operational issues, improve Linux platform reliability, and ensure systems remain ready to support testing, deployment, and mission execution.

Senior Linux Systems Administrator - Quality Assurance

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. ARL is seeking a Tactical Systems Administrator and Information Security Specialist to provide comprehensive support for systems, testing, coding, and Information Assurance processes for the Environmental Sciences Laboratory (ESL) at Applied Research Laboratories (ARL).

The University of Texas at Austin

Tactical System Administrator

OTHER

Possess at least ONE of the following certifications: CompTIA Security+, CASP+ CE (CompTIA Advanced Security Practitioner), CCNP Security (Cisco Certified Network Professional), CISA (Certified Information Systems Auditor), CISSP (or Associate) (Certified Information Systems Security Professional), GCED (GIAC Certified Enterprise Defender), GCIH (GIAC Certified Incident Handler) or CCSP (Certified Cloud Security Professional) . Experience & Education Requirements: What You’ll Need to Succeed: Bachelor’s degree in Computer Science, MIS, Engineering or related program of study; or equivalent, relevant, and progressively responsible experience in lieu of degree .

YEAR

Iridium is a global satellite communications company, providing access to voice and data services anywhere on Earth.
With its constellation of satellites, Iridium’s network connects people and devices in the world’s most remote places — and close to home.

Iridium Satellite, LLC

Senior Systems Administrator

[AW]-iCims

The Network/Systems Administrator is responsible for diagnosing and troubleshooting advanced server, networking, and cloud services issues. Create, test, modify, and deploy scripts using PowerShell, Bat files, and Kaseya’s proprietary scripting engine.

Pivotal Solutions

Network/Systems Administrator

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). • Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.

Sr. Windows Systems Administrator TS/SCI Poly

We provide enterprise management and technical support of the Naval Surface Warfare Center Dahlgren Division Dam Neck Activity (NSWC DD DNA) by aiding in policy, procedures, seat refresh, engineering/technical solutions, ordering to Next Generation Enterprise Network (NGEN) and the Naval Networking Environment (NNE) strategy. Job Summary: The Systems Administrator (SR) will perform duties involved in the routine development, testing, implementation and maintenance of the operating systems and related software and hardware for Dam Neck Activity (NSWCDD DNA) Command Information Office (CIO) and the RDT&E enclaves.

Delaware Nation Industries

System Administrator - 3062-03

FULL_TIME

As a Linux Systems Administrator, you will work collaboratively with other section staff, the Section Supervisor, Green Team Project Manager, Program Managers (PMs), and Assistant Program Managers (APMs) to design, implement, administer, optimize, and secure Linux computing environments supporting the highly classified program portfolio managed by the Air and Missile Defense Sector Green Team. Lead Linux system deployments, upgrades, migrations, patching, modernization efforts, and infrastructure improvement initiatives across legacy and modern platforms, including Red Hat Enterprise Linux and Ubuntu.

Johns Hopkins Applied Physics Laboratory

Linux Systems Administrator

Benefits: Susquehanna offers a wide array of competitive employee perks & benefits such as: an onsite wellness center staffed with a full-time Nurse Practitioner, a 9,000 square-foot gym, food & beverages available all day, onsite services such as dry cleaning & laundry, and auto repair & detailing. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies.

Susquehanna International Group LLP

Database Administrator - PostgreSQL| Experienced Hire

linkup_via_bold

Understand various networking technologies and the ability to provide logical network implementations, including routing, switching, access-control, and LAN/VLAN/WLAN methodologies. To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Quantum Space

Information Systems Administrator

Own administration of Tovala''s corporate network infrastructure, including Ubiquiti switches, wireless networks, firewalls, VPN technologies, conferencing equipment, and connectivity across multiple office locations. Evaluate, select, implement, and operate modern endpoint management, device management, endpoint detection and response (EDR/XDR), patch management, and related IT administration tools.

Tovala

Sr. Systems Administrator

Cognizant is looking for PostgreSQL DBA to create scalable data models for utilities domain use cases and enabling trustworthy analytics that advance organizational decisions and deliver positive value to customers and communities through reliable data driven services. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world.

Cognizant is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant, a member of the NASDAQ-100, is ranked 230 on the Fortune 500 and is consistently listed among the most admired companies in the world. We're driven by a passion to help our clients build stronger, more agile and more innovative businesses. Cognizant enables global enterprises to address a dual mandate: to make their current operations as efficient and cost-effective as possible and to invest in innovation to unleash new potential across their organizations. What makes Cognizant unique is our ability to help clients meet both challenges. We help them enhance productivity by ensuring that vital business functions work faster, cheaper and better. And, our ability to conceptualize, architect and implement new and expanded capabilities allows clients to transform legacy models to take their business to the next level.

Cognizant Technology Solutions Corp

Postgres DBA

We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products.

Employee Strength : 223,000 on March 31, 2025  Countries of Operation : 60 Countries
Consolidated Revenues: US $13.8B ,for 12 months ending March 2025
HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2025 for $13.8 Billion. To learn how we can supercharge progress for you, visit <a href="https://urldefense.com/v3/__https://linkprotect.cudasvc.com/url?a=https*3a*2f*2fhcltech.com&c=E,1,YLM9eqRIWyisk6rzUtt-TC_a-5aSuyJgSIT9CeUPKnlUHPWiaGYFDbJcWWbmdqug2u98u_CZS5tci2GRD6BvXZTPh12d-2kJzo-lftXy4J-mjXTUYg05Rpqg&typo=1&ancr_add=1__;JSUl!!D1XWH5In!V6bxMmyaEl7QJGSlh0iumVpbseS84s_GjLWkU6RQjIykjc44OxVMj5Sr1w3fm5uNyDwFqsjk5jjMgYOjuAHsToBXuSQi39UvC78$" target="_blank" rel="noopener" shape="rect">hcltech.com</a>.

HCL Technologies Ltd

Senior Administrator - Thycotic Privilege Manager, Azure Active Directory

Note: If interested please send your updated resume and include your rate requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us.

HOUR

Two95 International Inc.

Sr SAP HANA DBA - 110hr - Remote Work

ea_via_bold

Collaborate with the cybersecurity team to support audit findings, logging through auditd, and ongoing security posture, using the existing security stack and Azure-native tooling as the primary audit trail. This role operates, maintains, and secures RedHat, Ubuntu, and other Linux systems running both on-prem and in Azure across both Commercial/GCC and Azure Government environments.

Global Technical Talent is a subsidiary of Chenega Corporation (www.Chenega.com) with over 1.3 billion US$ in revenue and 5800 US employees. We provide Total Talent Solutions, Global staffing, SOW, RPO, Direct Sourcing, and Global Payroll with physical offices in US, Canada, and India. GTT Digital headquartered in Toronto specializes in providing high-tech digital and banking talent to some of the nation’s largest financial institutions. GTT has been a leader in the staffing industry for over 22 years and is one of the largest staffing firms in the New England region. We are known for our Fortune 500 clientele and cutting-edge, technology-driven recruiting infrastructure.
We are a Native American-owned, economically disadvantaged corporation that highly values diverse and inclusive workplaces. Our clients and partners are among the most successful and innovative organizations in the world. Our top clients are Fortune 500 banking, insurance, and financial services firms, some of the nation’s largest life sciences, biotech, utility, and retail companies, and prestigious educational institutions in the Ivy League tier. There is always a new opportunity for success when you look through all of the open job opportunities on our website’s career page. Just click on this link: https://bit.ly/gttcareers Awards SIA’s Best Staffing Firm to Work for ( 2019 -2023) SIA’s Fastest Growing Staffing Firm Inc 5000 Company NH Business Magazines Fast 5 fastest growing companies.

GTT, LLC

Senior Linux Administrator

jobdiva

Amadeus aspires to be a leader in Diversity and Inclusion in the tech industry, enabling every employee to reach their full potential by fostering a culture of belonging and fair treatment, attracting the best talent from all backgrounds, and as a role model for an inclusive employee experience. Professional development to broaden your knowledge and enhance your skills with on-line learning hubs packed with technical and soft skills training that allow you to develop and grow.

Amadeus provides the technology which keeps the travel sector moving - from initial search to making a booking, from pricing to ticketing, from managing reservations to managing check-in and departure processes. Our products and solutions help to improve the business performance of our customers; travel agencies, corporations, airlines, ground handlers, hotels, railways, car rental companies, airports, cruise lines and ferry operators. At the heart of our approach is innovation. Amadeus invested €414.1 million in R&D (Research & Development) in 2012, a total equal to 14.2% of our total revenues. We have been ranked 1st for R & D investment in the travel and tourism sector by the EC (European Commission) in their 2013 'EU Industrial R&D Investment Scoreboard' It is this strong commitment that we believe will enable us to continue working with our customers and partners to shape the future of travel. Amadeus operates in 195 countries with a worldwide team of more than 11,000 people. For the year ended December 31, 2012 the company reported revenues of €2,910.4 million and EBITDA of €1,107.7 million. Amadeus is listed on the Spanish Stock Exchange and forms part of the IBEX 35 Index.

Amadeus

Linux System Administrator

Install, configure, operate, monitor, and maintain enterprise infrastructure, including IIS web servers, application servers, telecom hardware, Dell PowerEdge servers, and Avaya J Series phones . You’ll provide hands-on technical expertise across Windows and Linux servers while supporting the infrastructure behind critical voice and call-management services.

Mount Indie

Windows / Linux System Administrator

This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure VDI. Must have at least 5 years of experience with each of the following: Implementing and managing Windows Active Directory and DNS environments Creating and managing Group Policy Objects GPOs Microsoft SCCM Microsoft Exchange administration and Exchange Management Shell.

Sunayu

MD-Windows Systems Administrator - TS/SCI w/ Polygraph

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Install, configure, operate, monitor, and maintain enterprise infrastructure, including web servers (e.g., IIS), application servers, and telecom hardware (e.g., Dell PowerEdge servers, Anaya J Series phones).

MAXIMUS provides business services to help governments operate health and human services programs, mostly at the state and national levels. The company's health services segment offers outsourced program management and administrative services,

Unix Administrator Jobs in the United States

AWS Databricks Platform Administrator Argyllinfotech

Splunk Administrator Leidos

Senior Linux Systems Administrator - Quality Assurance Leidos

Tactical System Administrator The University of Texas at Austin

Senior Systems Administrator Iridium Satellite, LLC

Network/Systems Administrator Pivotal Solutions

Sr. Windows Systems Administrator TS/SCI Poly Leidos

System Administrator - 3062-03 Delaware Nation Industries

Linux Systems Administrator Johns Hopkins Applied Physics Laboratory

Database Administrator - PostgreSQL| Experienced Hire Susquehanna International Group LLP

Information Systems Administrator Quantum Space

Sr. Systems Administrator Tovala

Postgres DBA Cognizant Technology Solutions Corp

Senior Administrator - Thycotic Privilege Manager, Azure Active Directory HCL Technologies Ltd

Sr SAP HANA DBA - 110hr - Remote Work Two95 International Inc.

Senior Linux Administrator GTT, LLC

Linux System Administrator Amadeus

Windows / Linux System Administrator Mount Indie

MD-Windows Systems Administrator - TS/SCI w/ Polygraph Sunayu

Windows/ Linux System Administrator Maximus

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