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Salary
$90k – $190k per year
Location
In office (Chantilly, United States)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Jun 29, 2026. CACI International scores D on the Alion truth index.

Overview
Company
Impact
Profile match
CACI International is an American technology company founded in 1962 that works almost entirely for United States defence, intelligence and federal civilian agencies. It has moved from being a conventional IT services contractor toward supplying its own technology, with a substantial expeditionary electronic warfare and signals intelligence product line, photonics and optical communications for space, and secure network modernisation. Headquartered in Reston, Virginia, the company employs more than twenty thousand people, the majority holding security clearances, and has grown through a steady programme of acquisitions that add differentiated technology rather than headcount alone.
Job Title: Linux Systems AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * *

The Opportunity:

CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program. A qualified candidate will assist in the installation, configuration and deployment of a new PeopleSoft implementation.

Responsibilities:

  • Linux Systems Engineering / Administration (SA) working with virtual servers and associated technologies.
  • Install and administer PeopleSoft applications and updates.
  • Identify and implement application and server-level patches.
  • Analyze, troubleshoot, and optimize system performance.
  • Design, document, and implement system configurations.
  • Work collaboratively with cloud engineers, application developers, and security analysts in a fast-paced, agile environment.
  • Support new design/architecture tasking as part of system development efforts as requested.
  • Administer and service accounts.
  • Ensures products and systems comply with requirements and government information assurance and cyber security standards and practices through formal verification methods.
  • Assess performance using evaluation criteria and technical performance measures. • Develop and maintain analytical procedures to meet changing requirements. • Work individually and actively participate on integrated teams Qualifications:

Required:

  • Active TS/SCI w/ Polygraph Clearance.
  • Bachelor’s degree or equivalent.
  • Minimum 3 years of relevant experience (multiple experience levels available).

Experience administering PeopleSoft or comparable Oracle products.

  • Extensive Linux server administration experience. Desired:
  • AWS Cloud experience
  • Experience working with RHEL or CentOS
  • Familiarity with Ansible Playbooks
  • Knowledge/experience with BASH, JSON or Python scripting
-

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:

$90,300-$189,600

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.

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