Mission-Critical IT Systems Administrator | TS/SCI

CACI; United States; On-site; USD 75,000 - 158,000; Full time

Job summary

CACI International is seeking an Infrastructure/System Administrator to sustain desktop, network, VOIP, and security systems across multiple sites nationwide, including classified environments. This role blends hands-on technical work with customer interaction and requires the ability to work independently.

You will support unclassified and classified systems, travel up to 25% with primary duty location Albuquerque, NM, and must hold TS/SCI with polygraph, a Bachelor's degree or equivalent, and

Qualifications

• Active TS/SCI with polygraph.
• Bachelor's degree or equivalent experience, plus at least five years in a relevant technical role.
• Strong proficiency with Windows desktop operating systems and Dell hardware.
• Proficiency with Microsoft Office Suite.
• Solid understanding of network communications and troubleshooting methodologies.
• Excellent written and verbal communication skills paired with strong customer service ability.
• Ability to work independently with minimal supervision while managing time effectively.
• Current Security+ certification.

Responsibilities

• Image, configure, and deploy physical and virtual desktops; troubleshoot and repair hardware including desktops, laptops, zero clients, monitors, and docking stations; manage OS, BIOS, disk, and data encryption.
• Install, configure, and troubleshoot end-user applications and certificates.
• Restore and migrate data, decrypt inaccessible files, and apply or troubleshoot file permissions.
• Document all work in trouble tickets while meeting required SLAs and quality standards.
• Patch network ports, trace lines, and support installation of network switches.
• Configure and maintain UPS devices, including battery replacements, failure troubleshooting, vendor coordination, and scheduling customer downtime.
• Install and support VOIP phones and voicemail systems.
• Configure multifunction devices for print, scan, and fax; coordinate multi-step hardware replacements with vendors.
• Plan and execute user moves, including connectivity, devices, and phones.
• Maintain and troubleshoot local security/badging systems.
• Prepare obsolete assets for compliant disposal.
• Collaborate with and support other IT teams as needed.
• Provide support for both unclassified and classified systems.

Skills

Windows OS

Dell hardware

Microsoft Office Suite

Networking troubleshooting

Written and verbal communication

Independent work

Security+ certification

Education

Bachelor's degree or equivalent experience

Job description

CACI International is seeking an Infrastructure/System Administrator to sustain desktop, network, VOIP, and security systems across multiple sites nationwide, including classified environments. This role blends hands-on technical work with customer interaction and requires the ability to work independently.

You will support unclassified and classified systems, travel up to 25% with primary duty location Albuquerque, NM, and must hold TS/SCI with polygraph, a Bachelor's degree or equivalent, and