Infrastructure/System Administrator

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

Job Title: Infrastructure/System Administrator

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI with Polygraph

Employee Type: Regular

Percentage of Travel Required: Up to 25%

Type of Travel: Local

The Opportunity

Join a mission‑driven, fast‑paced IT team where your technical expertise directly impacts operational readiness across multiple locations nationwide. As a Desktop Support Technician, you'll be the go‑to problem solver who keeps critical systems running, supports end users with professionalism, and ensures seamless functionality across desktops, networks, voice systems, and classified environments. This role offers a unique blend of hands‑on technical work, customer interaction, and opportunities to support both unclassified and classified systems.If you enjoy working independently, tackling diverse challenges, and being the backbone of IT operations, this role is an exciting chance to make a meaningful impact.

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.

More About the Role

• You will support multiple sites across the United States via remote tools, communication platforms, and occasional travel.
• Primary duty location will be Albuquerque, NM

Qualifications

Required

• 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.

Desired

• Linux training or hands‑on Linux experience.

What You Can Expect

• A culture of integrity. At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
• An environment of trust. CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
• A focus on continuous growth. Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$75,200-$158,100

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex,