NewSystems Engineer/Administrator Kaiva CorpSystems Engineer/AdministratorArlington, VAFull timeManage and maintain Microsoft 365 services such as Microsoft Intune, Entra admin center with Entra Connect for cloud synchronization, Exchange admin center for mail and mailbox administration, Microsoft Defender, and Microsoft Purview. As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of servers and systems in a variety of environments, including on-premises and cloud-based Microsoft products within our Federal Government Customer's environment.
NewSenior Linux System Administrator Johns Hopkins Applied Physics Laboratory (APL)Senior Linux System AdministratorLaurel, MD$100,000–$245,000In this role, you will apply Risk Management Framework (RMF) principles, develop new IT security capabilities, and provide advanced system administration across complex, classified infrastructures, helping drive innovation, security, and operational excellence. Are proficient in various operating systems, including some of the following: Linux operating systems (RHEL5, RHEL6, RHEL7, RHEL8, RHEL9, Ubuntu), Real-time Linux computing systems (Concurrent platforms).
Senior System Administrator III Varada ConsultingSenior System Administrator IIILinthicum, MDRequired Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
NewLinux Systems Administrator - TS/SCI-FSP clearance JobotLinux Systems Administrator - TS/SCI-FSP clearanceFort Meade, MD$130,000–$180,000 / yearWith a global customer base including all sectors, from Fortune 500 to up-and-coming startups, we over diverse product lines including, but not limited to, Cloud Services, Artificial Intelligence, Storage, Networking, Supercomputing, and Digital Transformation offerings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewSales Administrator JobotSales AdministratorFairfax, VA$60,000–$80,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is an exciting opportunity for a professional to contribute to a growing company, by leveraging their expertise in lead generation, office space planning, workplace solutions, interior solutions, furniture, fixtures & equipment, and office systems.
Systems Engineer LeidosSystems EngineerTemple Hills, MD$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.
Systems Administration (Operations Support Specialist) ARCTICOM LLCSystems Administration (Operations Support Specialist)Quantico, VAArcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. Essential and marginal functions may require maintaining physical condition necessary for bending, stooping, sitting, walking or standing for prolonged periods of time; most of time is spent sitting in a comfortable position with frequent opportunity to move about.
SQL DBA (SQL Server/Azure SQL) TRIGYN TECHNOLOGIES, INC.SQL DBA (SQL Server/Azure SQL)Baltimore, MD$65–$75 / hourContractorDescription: The client is seeking an experienced SQL Database Administrator to be part of a small development team focusing on the restructuring and modernization of the revenue collections systems and other related database environments. • Monitors network traffic and communications usage patterns; configures or modifies network configuration to meet system demands and capacity planning needs.
NewNetwork Administrator 4 CYNET SYSTEMSNetwork Administrator 4Fairfax, VA$60–$65 / hourTemporaryContractorPart timeAs a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
Lead Systems Engineer LeidosLead Systems EngineerBurke, VA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 22, 2026For 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.
Staff (Snowflake DBA) OneMain FinancialStaff (Snowflake DBA)Baltimore, MD$95,000–$114,000 / yearPartner with application and analytics teams (e.g., Glue, DBT, Databricks, Power BI, Looker) to deliver secure, performant integrations and reliable data products. OneMain Financial (NYSE: OMF) is the leader in offering nonprime customers responsible access to credit and is dedicated to improving the financial well-being of hardworking Americans.
NewDialysis Facility Administrator U.S. Renal CareDialysis Facility AdministratorAccokeek, MDContinuously monitor to ensure that a safe and sanitary physical environment is maintained throughout the facility; that all equipment is maintained and functions properly; and that adequate and appropriate inventory levels of all supplies are available and used correctly. STAFF DEVELOPMENT/ RETENTION Ensure all staff meet required qualifications for position held and perform duties within limitations established by and in accordance with company policy/procedures, health care professionals practice acts, applicable state and federal laws and regulations.
NewNetwork Security Engineer CredenceNetwork Security EngineerMcLean, VA$130,000–$155,000Support audit readiness and compliance for CMMC Level 2 and SOC 2, including maintaining network-layer controls in the System Security Plan (SSP), providing firewall and network evidence for assessments, and contributing to ISSO functions as needed. Experience with network monitoring and management platforms such as PRTG Network Monitor, network documentation tools such as NetBox, and network automation and configuration management tools such as Ansible.
Service Center Analyst NuAxis InnovationsService Center AnalystSterling, VAExposure to Microsoft Intune (Endpoint Manager) in a Tier 1 support capacity, including basic device enrollment support and assisting users with access or connectivity issues. This role is ideal for a customer-focused IT professional who thrives in a fast-paced environment, takes ownership of issues end-to-end, and is committed to meeting service-level agreements (SLAs).
Help Desk Specialist NuAxis InnovationsHelp Desk SpecialistFalls Church, VAThis role requires strong troubleshooting skills, responsiveness, and adherence to SLA-driven support models. Our technologists have always gone the extra mile to help our federal clients succeed.
NewSenior Intune Engineer- Active Secret Clearance Required VETS, IncSenior Intune Engineer- Active Secret Clearance RequiredWashington, DCHowever, 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. This senior-level Windows engineering position provides IT support in integrating and operating Microsoft Configuration Manager (MCM) and Intune for managing and maintaining department endpoints.
Senior Windows Systems Administrator (Ci Polygraph Required) NorthHill TechnologySenior Windows Systems Administrator (Ci Polygraph Required)Chantilly, VirginiaAs a key member of our infrastructure support team, you will be responsible for designing, implementing, and maintaining our Windows-based systems, networks, and applications. If you enjoy working with new technologies, enterprise-leading equipment, and have a passion for building and maintaining infrastructures, we would like to speak to you.
Systems Administrator Amentum Services IncSystems AdministratorHanover, MD$165,000–$175,000 / yearThe Windows Systems Administrator will be involved in the testing, preparation and deployment of Active Directory GPO's and RBAC as well as automated server and workstation imaging and patching utilizing Windows MCM. responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
Windows Systems Administrator - McLean, VA - TS/SCI PGTEKWindows Systems Administrator - McLean, VA - TS/SCIMcLean, VirginiaWe are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. PGTEK is a true consulting organization dedicated to helping clients achieve their business and technology objectives utilizing our decades of experience and business relationships.
Windows Systems Administrator - Mclean, VA - Ts/Sci PGTEKWindows Systems Administrator - Mclean, VA - Ts/SciMcLean, VA$185,000–$265,000 / yearWe are seeking a highly skilled Senior System Administrator to join a dynamic infrastructure team supporting next-generation technologies, including initiatives in the Artificial Intelligence (AI) space. Location: McLean, VA (transitioning to Chantilly, VA) Clearance Required: Active TS/SCI with CI Polygraph Salary Range: $185,000 – $265,000 Travel: Up to 20%.
Windows Systems Administrator The Josef GroupWindows Systems AdministratorColumbia, MarylandRequired: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
Sr. Window Systems Administrator Amyx, Inc.Sr. Window Systems AdministratorFt. Meade, MarylandFull timeTechnology used: Windows Server (2019 and newer), Active Directory, Citrix, Forefront Identity Manager, MS Identity Manager, Microsoft IIS, HyperVisor, VMWare, NetScaler, ACAS, Splunk, HBSS, Trellix, MS Defender, ESPS, Veritas Clustering, MS Cluster Server, Ansible, PowerShell, Javascript, backup software, Network Attached Storage (NAS), Storage Area Networks (SANs), ticketing system, Qualifications: Required: Must have a minimum of five (5) years of relevant Windows Server System Administration experience. Overview: Amyx is seeking to hire a Senior Windows Systems Administrator to support DISA's Hybrid Cloud computing environment on-site at one of their six (6) locations in the U.S. (Fort Meade, MD; Crystal City, VA; Mechanicsburg, PA; Montgomery, AL; Oklahoma City, OK; Ogden, UT).
Systems Administrator 2/3 StratAcuity Staffing Partners IncSystems Administrator 2/3Linthicum, MD$50–$62 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
NewSr. Windows Systems Administrator AstrionSr. Windows Systems AdministratorColumbia, Maryland$145,000–$165,000 / yearAstrion has an exciting opportunity for a highly experienced Senior Windows Administrator to build, secure, and sustain the Windows Server estate, the Windows 11 workstation fleet, and the Active Directory and Windows network services that run across three or more isolated classified networks supporting Department of Defense/Department of War (DoD/DoW) environments in Columbia, MD. The ideal candidate brings deep Windows Server and Active Directory expertise, extensive experience operating inside closed and air-gapped classified enclaves, and a proven record of building and maintaining systems in compliance with Risk Management Framework (RMF) , DoD STIG , and Comply-to-Connect (C2C) requirements.
NewWindows Systems Administrator Quadrant, Inc.Windows Systems AdministratorArlington, VA10 years of relevant IT systems engineering or systems administration experience supporting enterprise Windows environments. Support incident, change, and configuration management processes in accordance with lifecycle support requirements.
Windows Systems Administrator Leidos Holdings IncWindows Systems AdministratorReston, VA$73,450–$132,775 / yearExtensive experience administering enterprise Windows environments, including Active Directory (AD), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), Microsoft Exchange email services, Microsoft Azure Cloud, Remote Desktop Services, VMware, Omnissa, desktop management, and Windows Server services. 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.
Windows Systems Administrator LeidosWindows Systems AdministratorArlington, VirginiaThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. July 17, 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.
NewWindows Systems Administrator Tetrad Digital Integrity LLCWindows Systems AdministratorArlington, VAFull timeThis program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.
Senior Windows Systems Administrator NIH-NCBISenior Windows Systems AdministratorBethesda, MDThe ideal candidate will possess deep technical proficiency across the Microsoft server ecosystem, including Active Directory, Entra ID, ADFS, IIS, SQL Server, Hyper-V, and MECM, while bringing strong hands-on administration experience in multi-cloud environments spanning Amazon Web Services (AWS) and Google Cloud Platform (GCP). In this role, you will maintain our primary Microsoft environment, plan unified infrastructure deployment strategies via Microsoft Configuration Manager (MECM/SCCM), and serve as an expert-level technical resource providing backup and primary support for complex Active Directory (AD DS) duties.
Windows Systems Administrator - TS/SCI with Polygraph GD Information TechnologyWindows Systems Administrator - TS/SCI with PolygraphAnnapolis Junction, MarylandTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. Identify and remediate noncompliant systems by reviewing vulnerability and SCAP reports, diagnosing root causes, coordinating corrective actions, and validating remediation across multiple networks.
Windows Systems Administrator BAE Systems PlcWindows Systems AdministratorReston, VA$79,365–$134,921 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. We''re seeking a highly skilled Jr. to Mid-Level Systems Administrator to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly evolving landscape of government mission and business information technology.
Principal Windows Systems Administrator - Polygraph Northrop Grumman CorpPrincipal Windows Systems Administrator - PolygraphVA$103,600–$155,400 / yearRELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people''s lives around the world today, and for generation...
Systems Administrator - NMCI Desktop Support Huntington Ingalls Industries IncSystems Administrator - NMCI Desktop SupportSpringfield, VA$95,000–$135,000 / yearYou will provide front‑line coordination and desktop support for NMCI‑managed end‑user environments, ensuring users receive reliable, accurate assistance with workstation provisioning, troubleshooting, and lifecycle actions. You will assist users with NMCI‑managed Windows workstation issues; coordinate with NMCI Service Desk and field technicians; and maintain accountability for NMCI‑assigned assets, inventory updates, and disposition actions.
Sr Systems Administrator StratAcuity Staffing Partners IncSr Systems AdministratorReston, VA$70–$90 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Windows Systems Administrator ManTechWindows Systems AdministratorChantilly, VAMust be able to use hands to operate a computer and other office productivity machinery such as a calculator, copy machine, and computer printer. MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA.
SCCM/Windows Systems Administrator LeidosSCCM/Windows Systems AdministratorBethesda, MarylandLeidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. June 4, 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.
NewVMWare Systems Administrator – Top Secret/SCI | Quantico, VA Cambridge International Systems IncVMWare Systems Administrator – Top Secret/SCI | Quantico, VAQuantico, VAFull timeRequired Qualifications: Education & Experience: Bachelors ‘s degree in Information Technology, Computer Science, Systems Engineering, or related field with 5+ years of relevant experience required; 7 + years may be substituted in lieu of a degree. Design & Implementation Design and deploy virtual infrastructure solutions—including clusters, shared storage, networking, and lifecycle management—following best practices for performance and security.
DevSecOps Systems Administrator CACI International IncDevSecOps Systems AdministratorReston, VA$86,600–$181,800 / yearThe Technical Development Team will work closely with functional resources, solution developers, database administrators, information assurance specialists and configuration change management resources to perform analysis, design and development, testing, and deployment of changes to existing software as well as new solutions for the customer. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Systems Administrator with TS/SCI, FS (Systems Administration, Associate) The Mil CorpSystems Administrator with TS/SCI, FS (Systems Administration, Associate)Tysons Corner, VA$125,000–$200,000 / yearThe MIL Corporation (MIL) is a dynamic workforce of industry professionals who deliver world-class solutions in cyber, engineering, financial management, and information technology - and we are looking for candidates like you! Installing, configuring and removing system hardware (servers, workstation, monitors, printers, plotters, scanners, transceivers, network interface cards, network physical links, etc.).
Systems Administrator 2 - Windows & UNIX Mission Operations Navius TechnologiesSystems Administrator 2 - Windows & UNIX Mission OperationsAnnapolis Junction, MarylandThe ideal candidate will bring strong technical troubleshooting skills, deep experience with UNIX and Windows operating systems, and a proactive approach to optimizing system performance and reliability. About the Role Navius Technologies is seeking an experienced Systems Administrator 2 to provide Tier I and Tier II IT support in a fast-paced, mission-focused environment.
Systems Administrator TekSynap CorpSystems AdministratorReston, VAActive TS/SCI + CI Poly clearance HS, 9-11 years of relevant experience; BS, 3-5 years; MS, 0-3 One of the Following DoD 8570/CS-NET-451 certifications is required: Security+ CE SSCP CySA+ GSEC DESIRED QUALIFICATIONS. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.
IT Systems Administrator Herrick Technology Laboratories Inc.IT Systems AdministratorGermantown, MD$100,000–$120,000 / yearDescription: Based on-site in Germantown, Maryland, the IT Systems Administrator will support and maintain the organization''s core IT infrastructure, including Hybrid Azure AD (Entra ID), Microsoft 365 GCC High, Windows Server environments, endpoint management platforms, virtualization technologies, and secure network services. This position manages hybrid identity services, Microsoft 365 GCC High, Windows infrastructure, virtualization platforms, cybersecurity controls, and network services while ensuring alignment with CMMC Level 2 and NIST SP 800-171 requirements.
Cyber Systems Administrator PeratonCyber Systems AdministratorHerndon, Virginia$112,000–$179,000 / yearFull timeSystems Administrator IV supports ongoing Authorization to Operate (ATO) activities by maintaining system security posture, generating technical artifacts, and implementing approved security controls under the direction of Information System Security Officers (ISSOs), System Engineers, and audit leads or audit SMEs. Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan .
NewSYSTEMS ADMINISTRATOR -Washington, DC Georgia Tek SystemsSYSTEMS ADMINISTRATOR -Washington, DCWashington, DCPerform System Administration to included AD, GPO policies, Microsoft Exchange, Patching, application support, and activities to include account management, monitoring and management of system resources (CPU, memory, disk, etc), monitoring and auditing system logs. Perform Systems Lifecycle management including planning, implementation, maintenance, upgrades, consolidation, and decommissioning of enterprise hardware, and software.
Intermediate Linux Systems Administrator Kwaan Bear IT SolutionsIntermediate Linux Systems AdministratorMarylandPosition: Intermediate Linux Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Aberdeen Proving Grounds (Onsite) Position Overview: The administrator also plays a key role in user support, policy implementation, system monitoring, and compliance management in a secure IT infrastructure.
Principal/Sr. Principal Systems Administrator Northrop Grumman CorpPrincipal/Sr. Principal Systems AdministratorFairfax, VA$114,000–$171,000 / yearBasic Qualifications: Principal: Bachelor's degree in information technology, Computer Science, or related field with 5 years of IT experience; Master's degree with 3 years of IT experience; Associate degree with 7 years of IT experience; OR a HS Diploma / GED with 9 years of IT experience is required. Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
Systems Administrator Oneida Technical SolutionsSystems AdministratorFort Belvoir, VAFull timeOneida Technical Solutions, LLC (OTS), was founded in 2014 and quickly established itself as a reliable partner capable of providing a variety of information technology and cyber solutions across highly complex, highly regulated and highly secure environments, including the U.S. Department of Defense (DoD), healthcare, higher education, law enforcement, retail, casino gaming and more. Our innovative cyber capabilities and programs have made us trusted partners for IT modernization projects, implementing upgrades and accelerating the delivery of new solutions for the DoD and commercial industries with consumer-driven technology.
SCCM/Windows Systems Administrator Leidos Holdings IncSCCM/Windows Systems AdministratorBethesda, MD$73,450–$132,775 / yearLeidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. Manage and support Public Key Infrastructure (PKI) services, including certificate issuance, renewal, revocation, and troubleshooting for Windows servers, applications, and user authentication mechanisms.
Sccm/Windows Systems Administrator Leidos Holdings Inc.Sccm/Windows Systems AdministratorBethesda, MD$73,450–$132,775 / yearLeidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. Manage and support Public Key Infrastructure (PKI) services, including certificate issuance, renewal, revocation, and troubleshooting for Windows servers, applications, and user authentication mechanisms.
Systems Administrator Level 3 Verite Group, Inc.Systems Administrator Level 3Fort Meade, MDThese capabilities include: Systems running Red Hat, CentOS, SUSE and custom vendor-specific operating systems, with high-speed shared storage (lustre, and gpfs as examples), along with dedicated high-speed low latency network interconnects like Infiniband and Slingshot. Configure and manage Linux, Unix, and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.