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Itero Group, LLC · 17 hours ago

System Administrator

Columbia, MD, USA

Full-time

Onsite

Mid, Senior Level

Itero Group is a Women-Owned Small Business focused on simplifying complex transformations. They are seeking a Systems Administrator to support mission-critical government systems, providing end-to-end administration of Linux and Windows enterprise environments, including HPC infrastructure and large-scale storage platforms.

Information TechnologyTraining

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Provide first-level support for Linux and Windows systems, responding to service requests, alerts, and incidents

Perform basic system administration tasks including user account management, access provisioning, and password resets

Monitor system health, logs, and alerts using tools such as Nagios and Splunk, escalating issues as needed

Support end-user workstations, peripherals, and mobile devices within a secure environment

Accurately document incidents, requests, and resolutions

Troubleshoot and resolve moderate-to-complex system issues across servers, storage, and network-connected systems

Perform system patching, updates, configuration changes, and routine maintenance

Support HPC clusters, including compute nodes, login nodes, and job scheduling environments

Assist with administration of parallel file systems such as Lustre and GPFS

Support Active Directory, Group Policy, and DNS administration

Collaborate with network and security teams to resolve cross-platform issues

Lead resolution of complex, high-impact incidents, performing root cause analysis and implementing long-term fixes

Design, implement, and optimize Linux and Windows system architectures supporting enterprise and HPC workloads

Administer and tune high-performance storage and networking, including Infiniband

Develop automation scripts (Bash, PowerShell, Python) to improve operational efficiency and reliability

Plan and execute system upgrades, migrations, and technology refresh initiatives

Provide technical guidance and mentorship to Tier 1 and Tier 2 staff

Participate in architecture reviews, capacity planning, and infrastructure roadmap planning

Operate systems in compliance with government security policies, procedures, and accreditation requirements

Support system hardening, vulnerability remediation, patch compliance, and auditing activities

Maintain accurate system documentation, runbooks, and standard operating procedures

Qualification

Linux administrationWindows administrationHPC infrastructureParallel file systemsHigh-speed networkingTroubleshooting skillsAutomation scriptingTechnical guidance