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Salary
$64k – $128k per year
Location
In office (Lisle)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 5, 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: System Test EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *

Under direct supervision, test software in various aspects of IP/telecommunication systems on multiple hardware platforms utilizing Linux and/or Unix-based operating systems.

Responsibilities:

  • Work with engineers to design/write detailed test plan and execute tests on complex communication systems
  • Define and communicate basic test strategies
  • Effectively document identified defects and collaborate with engineers on characterization
  • Work in a telecommunications development lab environment, use automation tools and lab test equipment, including protocol analyzers
  • Operate effectively and comfortably in a team environment
  • Travel to other CACI Locations or Customer Sites as necessary
  • Understand and adhere to all CACI Ethical and Compliance policies
  • Proactively ensure a safe work environment and adhere to CACI EH&S policies and procedures
  • Perform other duties as required

Qualifications:

  • Experience with development tools (e.g. editors and compliers)
  • Knowledge of Microsoft software applications and other software applications as required.
  • Familiar with software engineering process concepts from requirements reviews, code inspection to component delivery and sign-off is desired
  • Knowledge of Windows and Unix/Solaris/Linux based servers, workstations, and network is desired
  • Knowledge of IP based telephony including its architecture, configuration and maintenance is desired
  • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering or related technical discipline and 0-2 years of related experience or an equivalent combination of skills, education, and experience

The above job description is not intended to be, nor should it be construed as, exhaustive of all responsibilities, skills, efforts, or working conditions associated with the job.

There is no clearance requirement to begin employment. However, as a requirement of continued employment in this position you will be required to obtain a Top Secret clearance.

-

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:

$63,800 - 127,500 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.

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