At CACI - Our mission is to get data to those who need it 24x7x365. This contract provides world-wide, enterprise-scaled corporate data transport and messaging services that are highly available, reliable, and fault tolerant. This effort provides world-wide, enterprise-scaled corporate data transport and messaging services that are highly available, reliable, and fault tolerant. This position provides support for the following mission-critical organizations, Y4211/ Enterprise Transport and Routing (ETR), Y4212/ Application Messaging Framework (AMF), and Y4213/ Information Transport Services (ITS). Y421 transports critical data to protect U.S. national security interests, the Warfighter, and civilians. Ultimately, U.S. and Allied Forces lives depend on Y421 services, and this contract is a critical contributor to successfully executing this mission.
We are looking for a Linux systems administrator and operational support for mission-critical environments, including command-line system administration and application, data, and messaging flow management. The candidate should have solid, hands-on Linux administration experience and be comfortable independently troubleshooting and resolving routine to moderately complex system issues.
Operations Coverage:
Standard business-day coverage is 6:00 AM–6:00 PM, with team members coordinating schedules to collectively provide full coverage.
Provides 24x7 after-hours on-call support through a rotating schedule, typically with each team member serving as primary on-call approximately every 5-6 weeks.
On-call support compensation and extended coverage compensation is provided.
5+ years experience required. TS/SCI w/poly is also required.
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:
$86,600 - $181,800Skills Required
- 5+ years of experience
- Hands-on Linux systems administration experience
- Ability to independently troubleshoot and resolve routine to moderately complex system issues
- TS/SCI with Polygraph clearance required to start
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.







