Infrastructure/Systems Administrator

Company: CACI
Location: Austin
Posted on: April 1, 2026

Job Description:

Job Title: Infrastructure/Systems 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 10% Type of Travel: Local * * * The Opportunity: Join our dynamic IT team as an Infrastructure/Systems Administrator and play a critical role in ensuring the seamless operation of our physical and virtual desktop environments. This position offers a unique opportunity to leverage your expertise in hardware and software troubleshooting, data management, and network communications to support both unclassified and classified systems. You will have the chance to work independently and collaboratively to image, configure, and deploy systems, manage OS and BIOS updates, and ensure robust data security through encryption and permissions management. With a strong emphasis on customer service and communication, you’ll be instrumental in meeting SLAs, documenting actions, and assisting other IT teams as needed. If you thrive in a fast-paced environment and are passionate about technology, this role provides an excellent platform for professional growth and making a tangible impact on our organization. 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 and troubleshoot end user apps and certificates. Repair and restore data files, decrypt inaccessible files, migrate data for projects, apply and troubleshoot permissions. Properly document actions in trouble tickets and meet all SLAs. Patch network ports, trace lines, install network switches. Configure and maintain UPS devices and batteries, troubleshoot failure, coordinate vendor visits, plan and coordinate downtime with customers. Install and configure VOIP phones and voicemail, troubleshoot phone issues. Configure print, scan, and fax features on multifunction devices, coordinate multi-step replacements with vendor, troubleshoot communication issues. Plan for user moves, including connectivity, computers, and phones. Maintain and troubleshoot local security/badging systems. Prepare obsolete assets for disposal. Assist other IT teams as needed. Support unclassified and classified systems Qualifications: Required: Requires bachelor’s degree or equivalent and at least five years of relevant experience. Must be proficient with Windows desktop operating systems, as well as Dell hardware. Must be proficient with Microsoft Outlook. Must have a solid understanding of network communications. Must have excellent written and verbal communication as well as customer service skills. Must have the ability to work independently and with minimal supervision. Must have excellent time management skills. Must have minimum TS/ SCI Poly clearance Must already possess Security Plus certification Desired: Linux training/knowledge - 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. The proposed salary range for this position is: $82,700 - 173,900 USD CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Keywords: CACI, Killeen , Infrastructure/Systems Administrator, IT / Software / Systems , Austin, Texas