Linux Systems Administrator

Network Systems Administrator

Insight Global is hiring a Network Systems Administrator to support a federal government on a global scale across their Linux and Windows OS infrastructure and Cisco networking devices. We are looking for candidates who are motivated to continue developing their professional skills across systems administration and network engineering and who have a desire to learn new skills and technologies. In this role, you will support infrastructure and tasks across systems administration, networking, disaster recover, security, and/or virtualization, and more. This position is onsite in the Charleston, SC area and requires a Secret Security clearance.

Required Skills & Experience

Active US Secret Security Clearance

3+ years of Systems Administration or Network Engineering experience

Bachelor's Degree in any STEM field

Security+ Certification plus an OS related certification

Experience with both Linux and Windows OS administration

Network Administration experience with Cisco technologies

Experience with Virtualization and containerization tools such as VMWare and OpenShift

Nice to Have Skills & Experience:

Any knowledge of common DevOps practices.

Web server and application server configuration and scaling e.g., Apache server, IIS.

Proven Systems Administration and Maintenance duties.

Working knowledge of Subversion software versioning and revision control system.

Understanding of core Internet protocols ( DNS, SMTP, etc.)

Experience of backup and recovery best practices to ensure systems are protected from data loss.

Experience with Storage Volume management (LVM, iSCSI, SMB, NFS).

Experience with a major Linux distribution, e.g., Red Hat, CentOS, Debian.

Experience with Virtual Environments e.g., VMware, Hyper-V, etc.

Experience and DBA skills of at least one RDBMS, e.g., MySQL, Postgres, Oracle.

Strong computer hardware and software background.

Must be highly motivated and possess a mid-level skill set in Windows Systems Administration.

Must possess strong troubleshooting, analytical skills.

Excellent written and verbal communication skills.

Strong attention to details.

Strong work ethic and commitment to quality.

Ability to work in a fast paced environment, multi-task and balance multiple goals and priorities.

Ability to work with others in a highly collaborative environment, working with users and customers.

Willingness to work overtime on an as needed basis.

Responsibilities Include:

Networking:

Provide support for Cisco-based networking environments across lab and C2OIX environments.

Serve as a strong secondary/backup network support for lab operations, troubleshooting, configuration, and maintenance.

Support design, implementation, and optimization of network infrastructure to ensure reliability and performance.

Linux (RHEL) Systems Administration:

Administer, Design, and build Red Hat–based systems

Engineer solutions for isolated, fully air-gapped environments with no internet connectivity.

Create and maintain internal mirrors for Red Hat repositories and container registries; manage transfer and deployment into air-gapped labs.

Configure downstream systems to seamlessly use internal mirrors and repositories.

Develop scripts and tools to automate system tasks and maintain existing automation pipelines.

Virtualization & Containerization:

Deploy, configure, and maintain virtualization platforms including VMware and oVirt (RHEV free version).

Support virtualization lifecycle operations, performance tuning, and troubleshooting across lab environments.

Build and maintain containerization infrastructure, including standing up OpenShift clusters from bare metal.

Manage long-term operations, upgrades, and reliability of container platforms and supporting services.

Additional Duties may include:

Apply DevOps methodologies to enhance automation, scalability, and reliability across systems.

Support CI/CD concepts related to containerization, orchestration, and infrastructure management.

Act as administrator of network assets in NetWeb ensuring an accurate accounting of all assets and their patch status is complete and up to date.

Troubleshoot basic end to end networking problems involving switches, routers, workstations, servers, VLANS, and other IT devices and or services.

Identify End-of-Life (EOL) issues, ensure all applications hosted on internal servers are approved in DADMS and upgrade as needed.

Providing user support includes but not limited to: accounts, CACs, HBSS, printing, access, SITC, drive mapping, etc.

Tracking and resolving local user hardware and software issues.

Performing regular maintenance duties such as patching, upgrades, and migrations.

Review/Make Recommended changes to Preventative Maintenance Plan.

The compensation range for this position varies based on experience from $75,000 to $95,000 per year.