Top Systems Administrator Jobs

Lead and perform systems administration for Windows and UNIX environments supporting Army intelligence. Manage domains and user permissions, implement disaster recovery, install/configure OS and applications, administer client/server/storage/network devices, provide Tier 1/2 support and troubleshooting, and integrate/migrate new technologies while ensuring policy compliance.

Lead mission-critical systems administration for intelligence-focused FMV capabilities. Maintain, configure, and optimize servers, workstations, networks, and backups; troubleshoot complex hardware/software issues; create dashboards (Splunk or Elastic Stack); support TCPED/FMVideo exploitation, patching, audits, and disaster recovery; coordinate with network and systems engineering teams; develop training and status reporting.

Provide Tier 1-3 systems administration for Windows and RHEL servers and desktops, storage and NAS devices; install and maintain OS/software, troubleshoot hardware/software/network issues, perform data center maintenance, follow STIG/ACAS security processes, manage backups/recovery, document work in ServicePlus, and support on-call/shift schedule for a TS/SCI-cleared intelligence customer.

Provide administration and operational support for large-scale Linux clusters, including software installation, configuration, monitoring, troubleshooting, security compliance, and performance improvements. Manage compute, network, memory, storage, virtualization, containerization, automation, and infrastructure-as-code environments. Use Bash and Python scripting, Red Hat Satellite, Splunk, VMware ESXi, SaltStack, Ansible, Docker, and monitoring tools. The role is onsite in Annapolis Junction, Maryland, and requires an active TS/SCI clearance with polygraph and U.S. citizenship.

Provide on-site systems administration and functional support for MDA contracting offices, managing DoD contract writing systems (ECWM/ORBIT/PIEE/WAWF), running SQL scripts, maintaining security models, administering user accounts, training staff, and producing SOPs and help documentation to ensure secure, compliant procurement operations.

Provides administration and sustainment for large-scale Linux systems and clusters, including software installation, configuration, monitoring, troubleshooting, security integrity, virtualization, networking, storage, and performance improvements. Develops Bash and Python scripts and uses Ansible and SaltStack for infrastructure automation. Supports Docker containers, Red Hat Satellite, Splunk, VMware ESXi, and system monitoring tools. Requires extensive systems administration experience, a technical bachelor’s degree or equivalent experience, Security+ certification, and an active TS/SCI clearance with favorable polygraph.

Administer and engineer the company’s Microsoft-centric technology estate across Azure, Windows Server, Microsoft 365, Entra ID, and Intune. Manage identity, endpoints, infrastructure, security, compliance, monitoring, and hybrid connectivity. Build PowerShell automation and infrastructure as code to reduce manual work, maintain operational health, and support production systems. The role also requires documentation, independent ownership, change judgment, and communication with technical and non-technical stakeholders.

Administers and supports production Esri ArcGIS Enterprise environments across development, test, and production. Responsibilities include platform installation, configuration, security, monitoring, troubleshooting, patching, upgrades, geodatabase administration, user and permission management, backups, disaster recovery, licensing, migrations, documentation, and collaboration with GIS and IT teams. Requires five years of ArcGIS Enterprise administration experience and an active Top Secret clearance with a Counterintelligence polygraph.

Own technical administration and production operations across Salesforce, Zuora, Zendesk, HubSpot, and revenue intelligence systems. Responsibilities include automation, billing workflows, helpdesk configuration, data quality, integrations, reporting, release management, AI-assisted development, issue triage, documentation, and cross-training. The role independently investigates problems and delivers tested, documented solutions while escalating architectural decisions to the RevOps Manager.

Administers and supports enterprise server, identity, endpoint, cloud, backup, and Linux infrastructure. Responsibilities include Windows Server, Active Directory, Entra ID, Microsoft 365, Intune, Hyper-V, Azure, AWS, monitoring, patching, vulnerability remediation, automation, documentation, change management, hardware installation, and escalated incident response. The role supports regulated systems containing protected health information, participates in on-call rotation, and works in a hybrid Coppell, Texas environment.

Maintains and supports server infrastructure, troubleshoots hardware and software issues, monitors performance, applies security patches, manages hardware assets, and supports development environments. Provides server-related helpdesk training, maintains technical documentation, contributes to business continuity and disaster recovery plans, and responds to datacenter outages. Requires rotating 24/7 support, independent problem-solving, collaboration with IT teams and vendors, and strong communication skills.

Administer the electronic Quality Management System, controlled document lifecycle, employee training records, quality records, supplier documentation, calibration records, and inspection-ready archives. Support change control, CAPA, audits, inspections, validation, nonconformances, complaints, and finished goods release. Maintain data integrity and compliance with FDA requirements, ISO 13485, and Good Documentation Practices while partnering cross-functionally to improve quality processes.

Manage organizational IT systems and infrastructure, provide end-user support, troubleshoot Mac and Windows hardware and software, administer Okta, Google Workspace, and Microsoft 365, manage applications and licenses, support MDM and zero-touch deployment, maintain networks, and create user training and documentation.

Manage enterprise, regional, and local physical and virtual server environments across Windows, Linux, and UNIX. Administer Oracle and Solr databases, deploy secure systems in AWS C2S, optimize performance, apply security patches, respond to incidents, manage backups and disaster recovery, and support system integrations. The role also provides Tier 1 and Tier 2 troubleshooting, documentation, audit reporting, client consultation, and staff mentoring.

Provides on-site systems administration for GEOINT exploitation environments, including troubleshooting hardware, software, servers, virtual machines, VDI endpoints, and user-facing systems. Automates software deployment, packages applications, maintains system security and documentation, develops testing strategies, supports backups and installations, and recommends corrective solutions. The role also manages accounts, policies, computing resources, vendor products, and end-user training while providing technical guidance to junior staff.

Administer and secure enterprise networks, servers, cloud infrastructure, identity systems, endpoints, storage, virtualization, backups, and disaster recovery. Monitor performance and security events, investigate incidents, manage vulnerabilities, support compliance with NIST, CMMC, and ITAR, and provide Tier II/III support. The role also supports engineering software, vendor coordination, infrastructure modernization, documentation, and business continuity for aerospace operations.

Provides on-site systems administration for GEOINT exploitation environments, including server and endpoint support, software deployment, packaging, VDI and virtual machine troubleshooting, account management, security, documentation, testing, and backup recovery. The role diagnoses hardware and software issues, recommends corrective solutions, supports users, evaluates technology products, develops resource-use policies, trains end users, and provides technical leadership. Desired experience includes Windows, virtual desktops, deployment tools, scripting, and log analysis.

Designs, implements, administers, and supports enterprise servers, storage, virtualization, networks, backup, and physical infrastructure across corporate and remote renewable-energy sites. Responsibilities include Windows Server and Active Directory administration, cloud and infrastructure automation, monitoring, troubleshooting, disaster recovery, security controls, patching, documentation, lifecycle management, vendor coordination, and technical guidance. The role also supports infrastructure projects, compliance requirements, on-call incidents, and business continuity initiatives.

Provides systems administration for heterogeneous Microsoft Windows environments, managing DNS, DHCP, Active Directory, server replication, virtualization, RAID, backups, recovery, and security hardening. Troubleshoots hardware, operating system, and application integration issues; installs software; documents systems and processes; trains users; and supports 24x7 operations through on-call maintenance. Requires an active DoD Secret clearance, U.S. citizenship, relevant systems administration experience, and travel up to 5%.

Provides on-site systems administration for a GEOINT exploitation environment. Responsibilities include maintaining servers and systems, managing accounts and documentation, supporting VDI endpoints and virtual machines, packaging and automating software deployments, troubleshooting hardware and software issues, developing testing strategies, supporting backups and recovery, training users, and mentoring junior staff. The role requires collaboration across missions and rapid response to maintain operational uptime and production readiness.

Administer company IT systems, software, infrastructure, networks, hardware, cloud environments, and cybersecurity systems. Manage technology assets from procurement through deprovisioning, troubleshoot operating systems and networks, implement automation and infrastructure as code, support identity integrations and CI/CD services, and coordinate technical initiatives with engineering programs and vendors. Create playbooks, runbooks, and procedures while maintaining required security certifications and clearance eligibility.

Administer and configure Salesforce, including objects, workflows, validation rules, dashboards, reports, integrations, and data management. Develop Power BI analytics, scorecards, and operational reporting. Support releases, sandbox refreshes, migrations, change controls, documentation, and system sustainment. Partner with stakeholders to translate business needs into enhancements, improve data quality, and recommend workflow and automation improvements across enterprise systems.

Administers and configures Salesforce, supports enterprise applications and integrations, develops reporting and Power BI dashboards, manages data quality and governance, and partners with stakeholders on requirements, documentation, system enhancements, releases, and process automation.

Administer and configure Salesforce, including objects, workflows, validation rules, reports, dashboards, integrations, and data management. Develop Power BI reporting, scorecards, and operational dashboards. Support releases, sandbox refreshes, migrations, AppExchange tools, system controls, documentation, data governance, and data quality. Partner with stakeholders to gather requirements, implement enhancements, improve workflows, and align enterprise systems with business needs.

Administers and configures Salesforce and related enterprise systems, including workflows, reports, dashboards, integrations, data governance, and change controls. Develops Power BI analytics and operational scorecards, monitors data quality, supports releases and sandbox refreshes, documents processes, and partners with stakeholders to translate business needs into system enhancements and workflow improvements.