Top Systems Administrator Jobs

The Unix Systems Admin manages complex systems, ensuring operational reliability, supporting infrastructure, configuring UNIX servers, troubleshooting, and leading DR initiatives.

The Unix Systems Admin will manage and enhance UNIX systems, ensuring high availability, supporting database operations, and executing infrastructure projects.

The role involves managing and optimizing cloud infrastructure services as a Linux Systems Administrator, focusing on systems performance and troubleshooting.

The Mainframe Systems Administrator monitors and tests software programs, maintains system documentation, resolves failures, and modifies software to improve performance.

The Level 1 Systems Administrator provides entry-level technical support, managing client issues, documenting tasks, and learning prescribed processes under guidance.

The Level 2 Systems Administrator provides technical support in networking technologies, assists in projects, communicates with clients, and troubleshoots various systems.

The Systems Engineer will manage tickets, lead projects, provide escalated support, and ensure efficient and secure technology solutions for clients while collaborating with teams to address technical challenges.

Support advanced cyber environments and enterprise infrastructure within a DoD setting by designing, configuring, and maintaining network and system architectures, VMs, and security protocols.

Oversees daily operations of network/computer systems, manages provisioning and compliance, mentors technicians, and maintains documentation and security.

Administer and secure global IT infrastructure including AD, M365, VMware, Nutanix, AWS; provide 2nd/3rd level support, lead patching/migrations, monitor systems, coordinate vendors, and maintain documentation to meet SLAs.

Owner of revenue systems and GTM ops stack: build and maintain Salesforce fields, flows, validation rules, and layouts; design routing and workflows across Salesforce, LeanData, Chili Piper, and HubSpot; lead major system redesigns; partner with Engineering to automate repetitive GTM work with AI agents; respond to Sales/Marketing/CS/Finance requests and support finance forecasting inputs.

The Test Automation Engineer will develop automated testing procedures, work with Agile teams, and validate software requirements through automated testing techniques. Responsibilities include collaborating with developers, performing tests, generating reports, and adapting to new automation technologies.

Administer and govern the firm's planning technology ecosystem: vendor management, licensing, platform administration, M&A onboarding and migrations, integrations, reporting, documentation, training, and process improvement to ensure platforms are supported, compliant, and aligned with enterprise objectives.

As a Sr. Systems Administrator, you will maintain servers, manage software platforms, liaise between teams, and support engineering operations, providing solutions and keeping systems operational.

Support and administer loan origination systems, ensure data integrity and regulatory compliance, respond to customer inquiries, manage system releases and testing, lead acquisitions and bank-wide projects, develop training and documentation, and back up department management.

Administer, secure, and maintain Windows and Linux systems in physical, virtual, and air-gapped classified environments. Perform Tier 2 incident resolution, patching, vulnerability remediation, system hardening (DISA STIGs, SCAP, NIST 800-53), automation (PowerShell, Bash, Ansible), imaging/OS deployment, AD/DNS/DHCP administration, Layer 2 networking, backups, monitoring, and on-call support to ensure availability and compliance.

The IT Operations Engineer will provide technical support, design scalable IT infrastructure, and ensure efficient technology use across the company.

Installs, configures, monitors, troubleshoots, and supports Linux and Windows systems and networks. Administers network configurations, uses SQL and PowerShell, implements system improvements, and maintains system availability, security, and operational efficiency. The role may require relocation to unanticipated U.S. locations and visits to client sites based on project needs.

Provide Level 3 escalation and advanced support for client and internal IT systems. Troubleshoot complex infrastructure issues, develop and document solutions, support projects and key accounts, participate in on-call rotation, and collaborate with engineering, sales, and clients to maintain system reliability.

Administer and secure Windows enterprise infrastructure in a classified environment. Responsibilities include managing Active Directory accounts and permissions, maintaining Windows Server systems, troubleshooting complex infrastructure issues, administering VMware environments and enterprise storage, supporting cross-domain systems, and operating Microsoft System Center Configuration and Operations Manager. The role also covers patching, vulnerability remediation, monitoring, system integration, documentation, compliance, customer collaboration, and technical guidance for junior administrators.

Owns and administers enterprise infrastructure across servers, virtualization, networking, endpoints, backups, disaster recovery, and security controls. Manages Windows Server, VMware, VxRail, Meraki, SD-WAN, Intune, and backup platforms; troubleshoots complex issues; remediates vulnerabilities; coordinates vendors and infrastructure projects; maintains documentation, recovery procedures, asset inventories, and compliance standards; and serves as a Tier 2/3 escalation resource and technical leader.

Supports implementation, configuration, customization, integration, maintenance, upgrades, and static-data management for laboratory systems including LabWare LIMS and Empower CDS. Provides user training, coordinates with laboratory users and vendors to resolve issues, evaluates enhancements, and manages changing priorities across multiple stakeholder projects. Requires laboratory operations knowledge, analytical problem-solving ability, strong communication, and at least two years supporting systems in an R&D or QC laboratory.

Own administration, optimization, and scalability of Salesforce and GTM systems supporting Sales, Marketing, Customer Success, and Revenue Operations. Design and implement declarative automations, manage security and integrations (Okta, SSO), support complex revenue processes, participate in M&A system integrations, and drive user adoption and operational efficiency.

Administer and sustain NALCOMIS OOMA/OIMA and NTCSS Virtual Environment systems supporting Navy aviation logistics. Responsibilities include server, operating system, application, database, and user-account administration; backups, recovery, troubleshooting, patching, cybersecurity remediation, system availability, documentation, remote support, and user training. The role requires extensive Navy aviation maintenance experience, active DoD Secret clearance, U.S. citizenship, and IAT Level II qualification.

Supports Tier 1 and Tier 2 help desk and systems administration for Army users and enterprise endpoints. Monitors and troubleshoots network, cloud, hardware, software, and security systems; manages LAN/MAN/WAN, Wi-Fi, operating systems, SIEM events, vulnerabilities, and system configurations. Maintains network availability and security, resolves operational failures, supports NIPRNET and SIPRNET environments, responds to surge requirements, coordinates escalations, and mentors help desk specialists.