Infrastructure/Systems Administrator

Posted 21 Hours Ago
Be an Early Applicant
3 Locations
In-Office
105K-231K Annually
Expert/Leader
Information Technology • Consulting • Defense
The Role
Maintains and troubleshoots servers, storage, networks, user systems, and other IT infrastructure across corporate and customer environments. Provides systems administration, applies security patches and operating system upgrades, documents configurations, supports infrastructure projects, and collaborates with technical and security teams. The role requires advanced Linux expertise, complex problem-solving, project coordination, and occasional off-hours support for deployments.
Summary Generated by Built In
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

Anticipated Posting End: 12/31/2026

The Opportunity:
Join our dynamic team as an Infrastructure/Systems Administrator and play a crucial role in maintaining and enhancing our IT infrastructure. You will be part of a fast-paced, collaborative environment where your expertise in systems administration will directly contribute to the success of mission-critical applications. This role offers the chance to work with cutting-edge technologies and support both corporate and customer environments.
Responsibilities:

  • Resolve IT hardware and software infrastructure issues (servers, network, security, etc.) using advanced systems analysis techniques.

  • Analyze, troubleshoot, and resolve issues with IT infrastructure, including user systems, servers, storage, and network connectivity.

  • Provide system administration for assigned infrastructure and ensure robust security measures are in place.

  • Apply security patches and operating system upgrades to maintain the security and integrity of the technical environment.

  • Support new infrastructure projects and initiatives.

  • Maintain comprehensive configuration documentation for all assigned infrastructure.

  • Collaborate closely with architects, technical leads, software developers, testers, security teams, and stakeholders.

  • Be available for off-hours work as needed for support and deployments.


Qualifications:
Required: 
  • Active TS/SCI w/ poly.

  • Bachelor's degree in a related field or equivalent experience in lieu of a degree.

  • Minimum 10 years of related experience.

  • Extensive experience with Linux operating systems in development/test and production environments.

  • Prior experience in a corporate or customer-facing role.

  • Demonstrated ability to work in a team-oriented, fast-paced environment.

  • Strong analytical and investigative skills to understand and resolve complex problems.

  • Experience managing large projects or processes that span multiple departments.


Desired:
  • Recognized subject matter expert in systems administration.

  • Proven experience managing projects with minimal oversight.

  • Working knowledge of Puppet, Satellite, IPA, Nagios, and Net App.

  • Ability to influence policies, practices, and procedures.

  • Strong problem-solving skills for complex and undefined issues.

  • Innovative mindset with a track record of making significant improvements to systems or products.

  • Creativity and ingenuity in developing new technical solutions.

  • Ability to regularly employ innovative techniques to enhance system performance.

-

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:

$105,100-$231,100

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.

Skills Required

  • Active TS/SCI with Polygraph security clearance
  • Bachelor’s degree in a related field or equivalent experience in lieu of a degree
  • Minimum 10 years of related experience
  • Extensive experience with Linux operating systems in development, test, and production environments
  • Prior experience in a corporate or customer-facing role
  • Ability to work in a team-oriented, fast-paced environment
  • Strong analytical and investigative skills for resolving complex problems
  • Experience managing large projects or processes spanning multiple departments
  • Subject matter expertise in systems administration
  • Experience managing projects with minimal oversight
  • Working knowledge of Puppet, Satellite, IPA, Nagios, and NetApp
  • Ability to influence policies, practices, and procedures
  • Strong problem-solving skills for complex and undefined issues
  • Track record of significant improvements to systems or products
  • Creativity and ingenuity in developing technical solutions
  • Ability to employ innovative techniques to enhance system performance

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.

  • 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.
  • 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.
  • 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

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The Company
HQ: Reston, VA
17,673 Employees
Year Founded: 1962

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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