System Administrator

• Support government accounts due to federal export-control regulations
• Provide advanced system administration and lab operations support for hardware, network, and software environments used by HPE HPC & AI Performance Engineering teams
• Serve as a senior technical contributor and lab expert, providing design guidance, operational leadership, and escalation-level troubleshooting across complex HPC and AI lab environments
• Collaborate with AI benchmarking, R&D, and performance engineering teams to design and operate lab environments that meet internal, partner, and customer requirements
• Install, configure, and support job scheduling and resource management tools to maximize lab utilization.

HPC AI Systems Administrator

• Independently monitor, maintain, and manage the health of our core SaaS applications and tech stack.
• Act as the primary point of contact for internal technical issues.
• Handle incoming requests to modify or expand our software capabilities.
• Assist in evaluating, implementing, and embedding practical AI tools into our existing technical architecture.

Marketing Technology Systems Administrator

• Resolve IT hardware and software infrastructure issues (servers, network, security, etc.) using advanced systems analysis techniques
• Analyze, troubleshoot, and resolve issues with IT infrastructure, including user systems, servers, storage, and network connectivity
• Provide system administration for assigned infrastructure and ensure robust security measures are in place
• Apply security patches and operating system upgrades to maintain the security and integrity of the technical environment
• Support new infrastructure projects and initiatives
• Maintain comprehensive configuration documentation for all assigned infrastructure
• Collaborate closely with architects, technical leads, software developers, testers, security teams, and stakeholders
• Be available for off-hours work as needed for support and deployments

Infrastructure/Systems Administrator

• Focus on the administration, maintenance, and support of Windows 10 & 11, and Windows Server 2016/2019 within a SCADA/ Energy Management System real-time power operations system
• Plan, coordinate, and execute the installation, testing, operation, and maintenance of Windows-based hardware and software systems within a SCADA/EMS environment
• Ensure compliance with configuration management processes and industry standards
• Manage the lifecycle of Windows-based systems hardware and peripheral equipment, including ordering, inventory control, installation, deployment, maintenance, and decommissioning
• Perform standard Windows system administration duties, including Active Directory management, Group Policy administration, user account management, and resource sharing
• Administer Windows environments, ensuring stability and efficiency
• Provide technical support to end-users and collaborate with cross-functional teams to resolve Windows-related challenges
• Create and maintain comprehensive documentation for system logs, patching, security configurations, procedures, and troubleshooting guides

SCADA Windows Systems Administrator II

• Administer, operate, and maintain NGDE thin client and virtual desktop systems, ensuring reliable access to multiple networks and virtualized environments
• Monitor NGDE infrastructure health, availability, storage utilization, network routing, and console status, resolving alerts and addressing performance degradations
• Manage enterprise distribution consoles, licensing, session management, routing assignments, authentication sources, and cluster/cell configurations
• Support integration and sustainment of server side and backend components including connection brokers, certificates, device firmware, and virtualization platforms
• Troubleshoot complex NGDE issues including session failures, connectivity problems, certificate issues, authentication errors, and client to cluster routing challenges
• Implement configuration updates, version changes, hardware improvements, and operational adjustments to maintain secure, optimized NGDE environments
• Maintain documentation, system inventories, SOPs, and configuration artifacts supporting change control, sustainment, and continuous improvement
• Collaborate with engineering, network, cybersecurity, endpoint, and virtualization teams to integrate new capabilities, support modernization efforts, and maintain cross domain accessibility
• Apply security patches, client updates, firmware changes, and backend platform fixes across NGDE systems to maintain compliance with security and configuration baselines
• Identify and remediate non compliant NGDE components by reviewing vulnerability and compliance reports, resolving patch exceptions, and validating corrective actions across multi network environments

NGDE Systems Administrator – TS/SCI with Poly

• Own your opportunity to support national defense.
• Support national defense by maintaining high availability email platforms
• Ensure reliable communication services and sustain cloud-enabled collaboration capabilities
• Administer, maintain, and troubleshoot enterprise Exchange and M365 email systems
• Support email architecture components including mailbox databases, transport services, journaling, archival/retention systems, SMTP relays, and message hygiene tools
• Manage identity and access for messaging services
• Monitor system health, capacity, and performance; perform diagnostics; and implement corrective actions for service disruptions
• Support migrations, upgrades, and sustainment of both on-premise and cloud-based messaging platforms
• Execute backup, recovery, and failover operations for Exchange systems

Email Services Systems Administrator – TS/SCI with Polygraph

• Provide enterprise level endpoint provisioning, deployment, patching, compliance, and sustainment support
• Manage and secure the platforms that deliver operating systems, applications, policies, and configurations to thousands of devices
• Administer enterprise endpoint management platforms supporting full lifecycle activities, including provisioning, configuration, imaging, and sustainment of workstation operating systems and endpoint devices
• Manage automated deployment services, including OS imaging, task sequences, driver packages, boot images, and standardized configuration baselines
• Administer device authentication, registration, policy enforcement, encryption, and secure configuration settings across diverse network environments
• Support application lifecycle management, including packaging, deployment, distribution, and troubleshooting of software delivery issues
• Maintain and update endpoint configuration policies, collections, compliance settings, and deployment rules to ensure consistent enforcement of enterprise standards
• Monitor endpoint health, availability, performance, patch levels, and compliance posture
• Conduct vulnerability and compliance remediation activities, including reviewing SCAP and vulnerability reports, validating corrective actions, and enforcing secure configuration baselines
• Provide Tier 2/3 support for endpoint incidents, service requests, and escalations in alignment with enterprise service levels

Endpoint Management Systems Administrator – TS/SCI, Polygraph

• Administer, operate, and maintain enterprise user profile management platforms
• Monitor system health, logon times, storage usage, replication, and overall profile performance
• Support profile migrations, transfers, and updates across networks, domains, and environments
• Troubleshoot complex profile related issues
• Implement configuration updates, version changes, architecture optimizations, and operational modifications
• Maintain accurate documentation
• Collaborate with endpoint, VDI, storage, authentication, and cybersecurity teams
• Apply security updates, software patches, and configuration fixes
• Identify and remediate noncompliant profile management components

User Profile Management Systems Administrator – TS/SCI with Polygraph

• Administer, operate, and maintain Windows server and endpoint systems across physical, virtual, and cloud environments, ensuring stability, performance, and secure configurations
• Perform Tier II/III troubleshooting and root cause analysis for OS level, authentication, GPO, networking, and dependency related issues supporting enterprise services
• Manage configuration baselines, apply required updates, support lifecycle planning, and maintain accurate documentation for change, configuration, and operational processes
• Support Active Directory, Group Policy, certificate services, server roles, and related identity, access, and configuration services across multiple network domains
• Maintain, monitor, and update Windows systems for compliance with security baselines, STIG settings, and enterprise hardening requirements
• Coordinate with engineering, cybersecurity, monitoring, and platform teams to ensure secure integrations, dependency mapping, and seamless operations
• Maintain server virtualization environments, including building, updating, and troubleshooting virtual machines, templates, hypervisors, and supporting infrastructure
• Support operational tasks such as firmware updates, system provisioning, backup/restore activities, template updates, and service availability monitoring
• Execute Windows OS and security patching across assigned systems, deploying enterprise approved updates, baseline releases, and third-party patches to maintain security and configuration compliance
• 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 – TS/SCI with Polygraph

• Administer, operate, and maintain enterprise storage systems
• Monitor storage performance, health, capacity, and availability
• Support data backup, recovery, replication, and disaster recovery operations
• Manage storage provisioning, access controls, share permissions, and user/group mappings
• Troubleshoot storage related issues
• Perform lifecycle tasks including firmware updates, configuration changes
• Coordinate with engineering, cybersecurity, server, virtualization, and monitoring teams
• Maintain documentation, SOPs, storage diagrams, and operational artifacts
• Apply security patches, firmware updates, and platform hotfixes
• Identify and remediate noncompliant storage components

Storage Systems Administrator – TS/SCI w/Poly

• Administer, maintain, and optimize virtualized server environments including VMware, Hyper-V, and related hypervisor technologies
• Operate and maintain vCenter systems, including certificate lifecycle management, password oversight, and baseline updates
• Build, maintain, and troubleshoot virtual machines (Windows and Linux) to support mission applications and infrastructure services
• Monitor compute resource health, availability, and utilization; identify performance bottlenecks and recommend improvements
• Maintain configuration baselines for virtual hosts, hypervisors, VM templates, firmware, and golden images
• Maintain ATO compliance by supporting documentation, control implementation, and updates to system security baseline
• Perform timely patching of hypervisors, virtual appliances, guest operating systems, and associated tools
• Build and maintain virtual machine templates, configuration profiles, and provisioning workflows to support consistent deployments.

Virtualization Systems Administrator – TS/SCI w/Poly

• Administer and maintain Active Directory forests, domains, trust relationships, replication services, and enterprise directory components
• Manage and troubleshoot identity services, including DNS integrated AD functions, authentication, Kerberos/NTLM, group membership, and object lifecycle management
• Create, maintain, and troubleshoot Group Policy Objects (GPOs)
• Perform Tier 2/3 directory service support
• Support AD integrated services including certificate services, federation services, domain controllers, and directory dependent applications
• Execute domain controller deployments, configuration updates, schema extensions, and lifecycle upgrades
• Monitor AD health, replication status, event logs, and performance
• Maintain directory service documentation, configuration baselines, and operational procedures

Active Directory Systems Administrator – TS/SCI w/Poly

• Ensure integrity, availability, and secure operation of enterprise public key infrastructure services
• Manage certificates, tokens, authentication services, and identity related security functions
• Issue, manage, and maintain certificates, tokens, and authentication credentials for users and systems
• Support full lifecycle PKI operations
• Provide knowledge-based support for customers, Trusted Agents (TAs), and system administrators
• Maintain PKI infrastructure health by monitoring certificate stores, expiration timelines, CRL validation, and associated authentication systems
• Ensure compliance with enterprise multifactor authentication requirements
• Support identity related incident response by diagnosing authentication failures

PKI Systems Administrator – TS/SCI with Polygraph

• Manage the macOS and Windows fleet end to end.
• Write and maintain Bash and PowerShell Worklets in Automox to automate endpoint actions.
• Provision, deprovision, and govern access across our identity provider and SaaS estate.
• Administer access and IAM across our cloud accounts (AWS and Azure).
• Design and deploy automations that integrate IT, identity, and SaaS systems.
• Own the internal ticket queue and handle level 1 and escalated level 2 tickets.
• Analyze current systems and processes, spot inefficiencies, and propose and ship the fixes.

IT Systems Administrator

• Image, configure, and upgrade servers with Linux operating systems
• Configure and manage multiple root slots hosting varied operating system images
• Provide design guidance and operational support for virtualized lab infrastructure
• Provide design guidance for lab storage solutions
• Provide guidance for hardware and software installation and configuration
• Collaborate with AI benchmarking, R&D, and performance engineering teams
• Design lab layouts, networks, and operational policies
• Prioritize and coordinate lab work activities
• Make recommendations on lab resource usage
• Oversee and support lab transitions
• Install, configure, and support job scheduling and resource management tools
• Serve as a technical mentor to junior system administrators and lab staff
• Communicate lab successes, risks, failures, and issues to management

HPC AI Linux Systems Administrator

• Serve as the primary administrator for Cribl’s Workday system, including HCM, Compensation, Payroll, Benefits Administration and integrations
• Lead the ongoing configuration, maintenance, upgrades and health monitoring of Workday components based on Cribl’s business and technical requirements
• Lead, document and support business process discovery sessions to play a key role establishing Cribl’s Workday roadmap
• Collaborate with stakeholders across the People Operations, IT and Finance teams to translate business process and reporting needs into secure, stable Workday solutions
• Develop and maintain secure integrations between Workday and other internal/external systems (e.g., payroll providers, organizational data feeds, data governance tooling)
• Maintain data integrity by performing regular audits, managing security roles, supporting compliance efforts and resolving data issues
• Track, triage and resolve defects, including system access, business process and integration issues
• Develop and maintain technical documentation for Workday configurations, integrations and business processes
• Support and coordinate regular Workday updates, enhancements and new feature adoption as Workday evolves
• Train and support end users with Workday access, reporting and functionality; develop documentation to promote self-service and adoption
• Stay current on Workday trends, best practices and product roadmaps to maximize the value of Cribl’s Workday investment
• We are a remote-first company and work happens across many time-zones – you may be required to occasionally perform duties outside your standard working hours

Senior Systems Administrator, Workday

• Support government accounts and provide advanced system administration
• Handle lab operations support for hardware, network, and software environments
• Contribute to continuous improvement of lab processes and policies
• Mentor junior staff and support lab expansions and transitions

System Administrator jobs in Colorado

See all jobs on JobTailor

HPC AI Systems Administrator

Marketing Technology Systems Administrator

Infrastructure/Systems Administrator

SCADA Windows Systems Administrator II

NGDE Systems Administrator – TS/SCI with Poly

Email Services Systems Administrator – TS/SCI with Polygraph

Endpoint Management Systems Administrator – TS/SCI, Polygraph

User Profile Management Systems Administrator – TS/SCI with Polygraph

Windows Systems Administrator – TS/SCI with Polygraph

Storage Systems Administrator – TS/SCI w/Poly

Virtualization Systems Administrator – TS/SCI w/Poly

Active Directory Systems Administrator – TS/SCI w/Poly

PKI Systems Administrator – TS/SCI with Polygraph

IT Systems Administrator

HPC AI Linux Systems Administrator

Senior Systems Administrator, Workday

HPC AI Systems Administrator