The Opportunity:
CACI is seeking a Linux Systems Administrator II to perform system administration functions in support of a critical mission based in Fort Meade, MD. This role provides the opportunity to support enterprise infrastructure, enhance system reliability, and contribute to secure, mission focused operations. CACI values technical excellence, integrity, and a commitment to supporting our customers’ most important challenges.
Responsibilities:
• Perform day‑to‑day Linux system administration tasks across enterprise environments.
• Deploy, configure, secure, and maintain Linux servers and associated services.
• Monitor, patch, and upgrade Linux servers and network‑connected resources (routers, switches, firewalls).
• Maintain and upgrade virtualized environments, including VMs and underlying hardware resources.
• Implement and support security compliance controls and document non‑applicable items as required.
• Assist with installation, configuration, and integration of new or replacement Linux‑based hardware and software.
• Integrate hardware/software solutions into existing network infrastructure.
• Support the decommissioning and removal of outdated or replaced systems.
• Maintain accurate documentation of system inventory changes and configuration updates.
Qualifications:
Required:
• Proficient with Linux, including hands‑on experience with Red Hat Enterprise Linux (RHEL).
• Minimum of three (3) years of recent Linux system administration experience (within the last 3 years).
• Experience patching and upgrading Linux servers and networking resources.
• Virtualization/VM experience.
• COMPTIA Security+ certification.
Education & Experience Requirements:
• Ten (10) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required.
• Bachelor’s degree in a technical discipline from an accredited college or university is required.
• Five (5) years of additional SA experience may be substituted for a Bachelor’s degree.
Desired:
Should have working knowledge, able to use and/or support, with some (preferably most) of the following resources and tools:
• Dell and HPE Linux servers; Juniper and Cisco routers, switches, and firewalls; Palo Alto firewalls; Ansible; Nutanix – VM management; Rubrik – data storage; Nomad containers; SALT scripts; LibreNMS; NetBox.
• CSP (Cloud Service Provider) – AWS and/or Azure.
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:
$103,800 - $218,100Skills Required
- Proficient with Linux, including hands-on experience with Red Hat Enterprise Linux (RHEL)
- Minimum of three (3) years of recent Linux system administration experience (within the last 3 years)
- Ten (10) years experience as a Systems Administrator in similar programs and contracts
- Experience patching and upgrading Linux servers and networking resources (routers, switches, firewalls)
- Virtualization / VM experience
- COMPTIA Security+ certification
- Bachelor's degree in a technical discipline (or five (5) years additional SA experience may be substituted)
- Active TS/SCI with Polygraph clearance required to start
- Experience with Dell and HPE Linux servers
- Experience with Juniper, Cisco routers/switches and Palo Alto firewalls
- Experience with Ansible automation
- Experience with Nutanix VM management
- Experience with Rubrik data storage
- Experience with Nomad containers
- Experience with SALT scripts
- Experience with LibreNMS and NetBox
- Experience with Cloud Service Providers (AWS and/or Azure)
CACI International Inc Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CACI International Inc and has not been reviewed or approved by CACI International Inc.
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Healthcare Strength — Pay is supported by a broad set of health-plan options across multiple national carriers, with telemedicine and tax-advantaged accounts included. Dental and vision choices are also described as multi-option, which strengthens overall coverage breadth.
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Leave & Time Off Breadth — Flexible Time Off is available for many salaried-exempt roles, while hourly roles accrue PTO, creating multiple time-off pathways by employment class. Paid disability coverage, fixed holidays, and paid leave programs (including parental leave and other leave types) further round out time-off and leave coverage.
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Retirement Support — Retirement support includes a 401(k) match structure described as 50% up to 8% of pay (effective 4%) and an Employee Stock Purchase Plan with a discount. Tuition reimbursement and certification support also add to the overall rewards package that complements core retirement benefits.
CACI International Inc Insights
What We Do
CACI’s approximately 23,000 talented employees are vigilant in providing the unique expertise and distinctive technology that address our customers’ greatest enterprise and mission challenges. Our culture of good character, innovation, and excellence drives our success and earns us recognition as a Fortune World's Most Admired Company. As a member of the Fortune 1000 Largest Companies, the Russell 1000 Index, and the S&P MidCap 400 Index, we consistently deliver strong shareholder value. Visit us at www.caci.com.
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