System Administrator

• 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

HPC AI Systems Administrator

• Perform configuration management, system integration, and reliability of hardware and software
• Provide problem resolution and technical support for classified systems
• Support the maintenance, reliability, validation, and configuration management of computing delivery systems
• Maintain and monitor system performance to improve reliability of the GPS operational mission
• Integrate logistics, automation, data analytics, technological advances, and engineering into an ecosystem that supports the mission and meets modern cybersecurity requirements
• Leverage GitLab administration and automation
• Perform data integrity functions in a medium-sized Windows Enterprise Domain architecture
• Analyze, develop, and maintain automation and scripting tools in support of system administration efficiencies, configuration management, and reliability functions
• Install, configure, monitor, and maintain multiplatform systems, hardware, software, virtual machines, and components
• Support real-time satellite mission and offline test efforts
• Assist in disaster recovery actions, including planning, backup and restoration of complex computing service operations
• Perform administrative tasks related to the system such as technical writing, system documentation, cybersecurity, and configuration management audits

Systems Administrator – Associate, Experienced

• Perform configuration management, system integration, and reliability of hardware and software
• Provide problem resolution and technical support for classified systems
• Support the maintenance, reliability, validation, and configuration management of computing delivery systems
• Maintain and monitor system performance to support and improve reliability of the GPS operational mission
• Integrate logistics, automation, data analytics, and technological advances into an ecosystem supporting the mission
• Leverage GitLab administration and automation
• Perform data integrity functions in a medium-sized Windows Enterprise Domain architecture
• Analyze, develop, and maintain automation and scripting tools in support of system administration efficiencies
• Install, configure, monitor, and maintain multiplatform systems, hardware, software, and components
• Support real-time satellite mission as well as offline test efforts
• Assist in disaster recovery actions, including planning, backup, and restoration of complex computing service operations

• Helpdesk Support
• Productivity Suite Administration
• Onboarding and Off-boarding
• Mobile Device Management (MDM)
• Infrastructure Support (Foundational Level)

• Systems Administrators provide front-line technical support for end users
• Actively listen to client problems and concerns to effectively remediate issues
• Escalate within and outside the team to ensure client service and experience are set at the highest levels
• Serve as a technical escalation point, providing mentoring support to staff
• Manage tickets and allocating resources as needed
• Perform complex repairs to software and peripheral equipment configurations
• Set up user accounts and configure email access
• Answer user inquiries and train users in the proper use of hardware or software
• Complete accurate time entry and documentation of remediation steps
• Participate in an on-call rotation (quarterly)

Systems Administrator

• Provide support for our enterprise-level Linux-based systems
• Assist with installation, configuration, testing, and management of operating systems, hardware, and software
• Participate in information security, systems analysis, planning, monitoring, and system documentation activities
• Assist in installing, upgrading, patching, managing, and monitoring Linux systems, mostly RHEL
• Assist in configuring, managing, upgrading, and patching RedHat Satellite servers and package repositories
• Provide end-users and application users with support through incident management
• Learn and assist in performing compliance audits on production systems during the patch cycle
• Leverage SolarWinds Orion and Splunk for real-time monitoring and alerting
• Assist in setting up IDM, Ansible, baseline OS image and location, Multi Factor Authentication (MFA)
• Learn and assist in addressing vulnerabilities identified through compliance scans
• Ensure Critical Infrastructure Protection (CIP) compliance for servers in an air-gapped environment
• Provide legacy support for older applications that run on older versions of RHEL
• Assist in certificate management and deployment for services on responsible systems
• Update Federal Information Security Act (FISMA) information for compliance

Linux Systems Administrator I

• Provide support for enterprise-level Linux-based systems.
• Assist with installation, configuration, testing, and management of operating systems, hardware, and software.
• Participate in information security, systems analysis, planning, monitoring, and system documentation activities.
• Assist in installing, upgrading, patching, managing, and monitoring Linux systems.
• Provide end-users and application users with support through incident management.
• Learn and assist in performing compliance audits on production systems during the patch cycle.
• Leverage SolarWinds Orion and Splunk for real-time monitoring and alerting.

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