Senior Systems Administrator – DoD/TS-SCI, Onsite

castaliasystems; United States; On-site; USD 115,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental coverage

Vision coverage

401k matching

Paid holidays

PTO

Job summary

Castalia Systems is seeking a Journeyman Systems Administrator to support our client onsite at Fort Shafter, HI. The role focuses on installing, configuring, and maintaining network infrastructure and Windows servers while ensuring security and compliance.

Requirements include a Bachelor’s degree in IT/CS or related field (or equivalent experience), 3+ years in system or network administration, and a DoD/IA-aligned certification path (Security+ or IAT Level II).

Qualifications

• Bachelor’s degree in IT/CS or related field; substitution with Associate’s +4 years or HS diploma +6 years accepted.
• 3+ years of system/network administration experience.
• Excellent problem-solving and communication skills across technical and non-technical audiences.
• Experience managing multiple tasks and deadlines.
• Strong documentation of configurations and maintenance activities.
• Experience providing end-user technical support and patches/ups.
• Ability to install/configure/manage network infrastructure and Windows servers.

Responsibilities

• Install, configure, administer, manage, and maintain network infrastructure and Windows servers.
• Manage user accounts, permissions, and access controls across systems and applications.
• Monitor performance, troubleshoot issues, manage backups and recovery, and apply upgrades/patches.

Skills

Windows Server

Network administration

System administration

Security+ / DoD 8570 IAT II

Documentation

Collaboration

Education

Bachelor’s degree in IT/CS or related field

Associate’s degree +4 years experience

Tools

Active Directory

VMware

Job description

Castalia Systems is seeking a Journeyman Systems Administrator to support our client onsite at Fort Shafter, HI. The role focuses on installing, configuring, and maintaining network infrastructure and Windows servers while ensuring security and compliance.

Requirements include a Bachelor’s degree in IT/CS or related field (or equivalent experience), 3+ years in system or network administration, and a DoD/IA-aligned certification path (Security+ or IAT Level II).