System Administrator

• Provide technical support and troubleshooting for Microsoft Outlook, Microsoft Teams, Exchange Online, Microsoft 365, and SharePoint environments
• Support user account administration, mailbox management, distribution groups, shared mailboxes, and Microsoft 365 permissions
• Assist with administration and support of hybrid Exchange environments and Microsoft 365 services
• Investigate and resolve email delivery, calendar, collaboration, and access-related issues
• Provide occasional support for enterprise collaboration tools including Smartsheet and Airtable
• Monitor, prioritize, and resolve support requests while maintaining accurate documentation within ticketing systems
• Assist with system upgrades, migrations, platform enhancements, and technology rollouts
• Support routine system maintenance, backup processes, and operational health checks
• Partner with other IT teams to identify root causes and implement long-term solutions
• Document procedures, troubleshooting steps, and support knowledge for internal users and IT staff
• Participate in an on-call rotation and occasional weekend maintenance activities, typically no more than two weekends per year

Associate Systems Administrator – O365, Exchange, SharePoint

• Administer, maintain, and troubleshoot Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, IIS, and related services
• Support and manage Linux servers in enterprise environments
• Monitor system performance, availability, and capacity
• Implement, maintain, and improve infrastructure automation using scripting and configuration management tools
• Support DevOps initiatives, including CI/CD pipelines, infrastructure-as-code, automated deployments, and system monitoring
• Collaborate with developers, cybersecurity personnel, network engineers, and program stakeholders
• Perform system patching, upgrades, vulnerability remediation, and security hardening
• Manage virtualized environments using VMware, Hyper-V, or cloud-based platforms
• Develop and maintain technical documentation, standard operating procedures, and system diagrams
• Support backup, recovery, continuity of operations, and disaster recovery activities
• Participate in incident response, root cause analysis, and corrective action implementation
• Ensure compliance with security policies, government regulations, and applicable standards

Senior Cloud Systems Administrator

• Administer, maintain, and provide cybersecurity defense for Navy Enterprise Tactical Training Network client and server infrastructure
• Coordinate with team members and departments to update, monitor, and maintain enterprise servers and workstations
• Perform Microsoft Windows server administration
• Manage Group Policy Objects (GPOs)
• Create and modify DHCP reservations
• Patch and configure systems in compliance with DoD Security Technical Implementation Guides (STIG)
• Maintain smooth operation of multi-user computer systems in coordination with network administrators
• Set up administrator and service accounts
• Maintain system documentation
• Tune system performance
• Install system-wide software and allocate mass storage space
• Interact with users and evaluate vendor products
• Recommend hardware and software purchases
• Coordinate installations and provide backup recovery
• Develop and monitor policies and standards for computing-resource allocation
• Work independently and within a team

Systems Administrator

• Administer and maintain Linux-based operating systems and virtualization platforms, such as Red Hat, CentOS, Ubuntu, VMware, KVM, QEMU/KVM, and Hyper-V
• Support Windows server and workstation environments, including standalone systems and enterprise-wide deployments
• Provide multi-platform support for OEM appliances and VMware-based Windows and Linux virtual appliances
• Mentor junior and mid-level team members on installation procedures, operational best practices, and security-focused administration
• Install, configure, operate, and maintain security and analysis tools such as Trellix, SentinelOne, Nessus, and Splunk
• Perform system patching, vulnerability remediation, and hardening activities for systems and networks
• Deliver Tier 1 through Tier 3 technical support and collaborate with Tier 2 support teams as needed
• Produce and maintain operational and technical documentation, including OPS policies/instructions, CONOPS, SECOPS, and system build documents
• Assist with implementation, integration, and rollout of new IT solutions and technologies
• Provide technical support for security compliance efforts and system accreditation processes
• Support networking, physical and virtual computing infrastructure, threat detection tools, system monitoring, incident response, and secure technology integration
• Coordinate systems administration, security operations, compliance activities, and user administration with ISSOs and ISSMs

Senior Systems Administrator Engineer – Government

• Deploy, configure, administer, and troubleshoot Windows and Linux servers across physical, virtual, and cloud environments
• Monitor infrastructure health, capacity, availability, and performance; respond to alerts and proactively resolve issues
• Administer and support AWS and hybrid-cloud infrastructure, including compute, storage, networking, security groups, IAM, and resource monitoring
• Manage Microsoft 365, Active Directory, and Entra ID services, including users, groups, licensing, Group Policy, permissions, authentication, and access controls
• Maintain DNS, DHCP, TCP/IP, LAN/WAN connectivity, certificates, and related configuration standards
• Install, configure, patch, upgrade, and troubleshoot operating systems, infrastructure tools, and business applications
• Support backup, restoration, disaster recovery, and business continuity processes
• Implement security hardening, vulnerability remediation, privileged-access controls, and configuration improvements
• Serve as an escalation point for complex infrastructure incidents; perform root-cause analysis and document corrective actions
• Automate administration, monitoring, reporting, and deployment tasks using scripting and configuration-management tools
• Maintain infrastructure inventories, configurations, support records, diagrams, standard operating procedures, and disaster recovery documentation
• Manage infrastructure asset and service lifecycles, including capacity planning, renewals, upgrades, vendor coordination, and retirement of obsolete systems
• Partner with application, security, network, service desk, and business teams on technology solutions and production changes
• Participate in scheduled monthly maintenance windows and rotating weekend on-call coverage
• Research and recommend improvements to reliability, security, scalability, automation, and operational efficiency
• Perform other duties as assigned

• Deploy, configure, administer, and troubleshoot Windows and Linux servers across physical, virtual, and cloud environments
• Monitor infrastructure health, capacity, availability, and performance; respond to alerts and proactively resolve issues
• Administer AWS and hybrid-cloud infrastructure, including compute, storage, networking, security groups, IAM, and resource monitoring
• Manage Microsoft 365, Active Directory, and Entra ID services, including users, groups, licensing, Group Policy, permissions, authentication, and access controls
• Maintain DNS, DHCP, TCP/IP, LAN/WAN connectivity, certificates, and related configuration standards
• Install, configure, patch, upgrade, and troubleshoot operating systems, infrastructure tools, and business applications
• Support backup, restoration, disaster recovery, and business continuity processes
• Implement security hardening, vulnerability remediation, privileged-access controls, and configuration improvements
• Escalate and resolve complex infrastructure incidents; perform root-cause analysis and document corrective actions
• Automate administration, monitoring, reporting, and deployment tasks using scripting and configuration-management tools
• Maintain infrastructure inventories, configurations, support records, diagrams, operating procedures, and disaster recovery documentation
• Manage infrastructure asset and service lifecycles, including capacity planning, renewals, upgrades, vendor coordination, and retirement
• Partner with application, security, network, service desk, and business teams on technology solutions and production changes
• Participate in scheduled maintenance windows and rotating on-call support
• Research and recommend improvements to reliability, security, scalability, automation, and operational efficiency

• Administer, maintain, and provide cybersecurity defense for Navy Enterprise Tactical Training Network client and server systems
• Support enterprise-wide modeling and simulation applications and services across the NITE
• Administer Microsoft Windows Server
• Manage Group Policy
• Create and modify DHCP reservations
• Patch systems and apply STIGs
• Develop standard operating procedures
• Provide training to junior personnel
• Deliver Tier 2 technical support
• Work with cross-functional teams to update, monitor, and maintain enterprise servers and workstations
• Maintain smooth operation of multi-user computer systems in coordination with network administrators
• Interact with users and evaluate vendor products
• Recommend hardware and software purchases
• Coordinate installations and provide backup recovery
• Develop and monitor policies and standards for computing-resource allocation
• Set up administrator and service accounts
• Maintain system documentation
• Tune system performance
• Install system-wide software
• Allocate mass storage space

Systems Administrator 4

• Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting
• Implement and enforce DISA STIG compliance across systems and networks
• Develop server builds for virtual and physical environments
• Manage, maintain, configure, and deploy Kubernetes, Rancher, and Helm
• Develop Python, Bash, or PowerShell scripts for patching, configuration, and infrastructure tasks
• Design, develop, and support scalable, redundant physical and virtualized infrastructure
• Use Salt and Ansible for infrastructure automation and orchestration
• Set up administrator and service accounts and maintain system documentation
• Tune system performance and install system-wide software
• Validate and implement system patches, including security-critical patches
• Improve infrastructure using current technology best practices and cross-application integrations
• Administer AWS cloud environments, including provisioning, monitoring, and optimization
• Collaborate with cross-functional teams on Agile practices and workflows
• Provide knowledgeable customer support
• Manage accounts, including creation, password resets, troubleshooting, and termination/deletion
• Participate in system integration testing, test planning, test execution, and documentation

Senior Systems Administrator – Secret

• Centrally install, configure, administer, monitor, and maintain computer software and MTF infrastructure
• Implement operating system enhancements to improve system reliability and performance
• Recommend efficient provisioning of physical and virtual components
• Support and manage patching services and repositories
• Administer, configure, and troubleshoot local operating environments
• Consolidate existing medical information systems into LCI, MTF, or region-owned shared-services environments
• Maintain MTF network connectivity
• Manage installation of IT equipment, network devices, and peripheral devices
• Administer and provision database environments
• Provision computer and storage resources in virtual multi-tenancy cloud and on-premises environments
• Administer centralized management tools across geographically separated units and multiple customers
• Provide load balancing, backup/restoral, and disaster recovery solutions
• Perform Information System Security functions for MTF-hosted applications and servers
• Develop, maintain, validate, and distribute baseline operating-environment images
• Maintain self-service provisioning, automation, and orchestration tools
• Establish and maintain an integrated test lab
• Develop metrics and reports for medical application downtime and customer support
• Submit SITREPs within 1 hour and corrective action plans within 8 hours of system outages
• Diagnose and resolve computer, software, printer, web, and mobile-device issues
• Document, track, and monitor problems through the DHA-approved ticketing system
• Provide Tier I and II end-user support and Tier III reach-back support
• Collaborate with network services, software engineering, and application development teams
• Recreate user problems and recommend system modifications
• Provide support for the Video Teleconferencing program