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# System Administrator

- **Company:** Concept Plus
- **Location:** United States
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Microsoft Azure, Cloud Computing, Software Documentation, CompTIA Security+, Linux, Hyper-V, Identity and Access Management, Networking Hardware, IPv4, IPv6, Systems Integration, Virtual Machines, Okta, Containerization, Information Technology, Network Server, Cisco, Docker
- **Published:** August 31, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9129867/system-administrator

## About the Role

* Bachelor's degree or higher in Computer Science, Information Technology, or a related field (or equivalent experience).
 * DoD 8140/8570 certification at the IAT II level (e.g., Security+, CCNA-Security, GICSP, CySA+) or ability to meet all requirements within 6 months of hire.
 * Azure Cloud Certification or comparable credential.
 * Strong understanding of Azure administration, cloud networking models, VNets, and resource configuration.
 * Experience managing Microsoft Hyper-V virtual machines.
 * Practical knowledge of Linux operating systems and Linux lifecycle management.
 * Experience with ICAM principles and user/system administration within identity governance frameworks.

## Description

Concept Plus is seeking a System Administrator to operate within a multi-disciplinary IT team consisting of cybersecurity analysts, network engineers, and service desk personnel. The role requires broad systems knowledge with hands-on experience in Azure cloud services, containerized environments (Docker), IPv4/IPv6 networking, basic Cisco switch configuration, identity, credential and access management (ICAM), and virtual machine provisioning.

What you'll do

 * Support infrastructure initiatives by working with network and systems teams to deploy, configure, and maintain servers and associated network hardware (Cisco, Aruba).
 * Build, manage, and optimize virtual machines in Azure and Hyper-V environments; perform system integration tasks, patching, and application/service maintenance.
 * Execute Azure and Microsoft 365 administrative activities, including cloud networking, subscription management, and resource deployments.
 * Provide ICAM user and system administration; assist with identity integrations such as OKTA SSO.
 * Deliver Tier III support for escalated workstation and server issues; collaborate with help desk and external vendors to resolve complex technical problems.
 * Participate in the on-call rotation to support enterprise systems, networks, and end-user devices during off-hours.
 * Troubleshoot a wide range of system issues including hardware faults, software failures, and network disruptions; manage and resolve service tickets across all tiers.
 * Provide escalation and technical support for enterprise infrastructures and core services.
 * Assist with the implementation and compliance tracking of Security Technical Implementation Guides (STIGs).
 * Maintain technical standards, operational procedures, and up-to-date system documentation.


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