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Salary
$83k – $174k per year
Location
In office (United Kingdom)
Seniority
Junior · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 22, 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: Hardware EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: Regular-Long Term AssignmentPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * *

The Opportunity:

CACI is seeking a Hardware Engineer to support operations and maintenance (O&M), limited research and development (R&D), and procurement of data/information processing capabilities on the SCION V contract.

You will work with an interdisciplinary engineering team, supporting the dynamic USSF Combat Forces Command, on the forefront of US SPACE FORCE and US SPACE COMMAND interoperability support. You will provide engineering expertise across a varied set of hardware, software and expeditionary equipment. Communicate highly technical information to all levels of the USSF CFC command teams and subordinate units. You will have the opportunity to work with both co-located and remote engineering teams across the globe, along with providing on-site support to exercise events throughout the year.

Responsibilities:

  • Provide Operations and Maintenance support for multiple scientific, engineering, and technical systems to include large antenna systems, portable antenna systems, and applicable test equipment
  • Assist a team of engineers to perform system installations at geographically diverse locations
  • Perform system configuration to tailor to customers’ needs
  • Investigate and perform performance tuning, resource optimization, and system upgrades
  • Maintain and contribute documentation in the Configuration Management Knowledge Base
  • Write limited technical documents, briefings, and drawings for new deliveries
  • Responsibilities occasionally require working evenings/weekends and on-call as needed

Qualifications:

Required:

  • A current TS/SCI clearance is required. CI Polygraph may be required for Special Access Programs (SAP).
  • Bachelor’s degree in a STEM discipline from an accredited University & a minimum 2 years of professional experience. (6+ years of relevant professional experience without a degree.)
  • A willingness to learn, teach and share information in a co-located and remote team environment
  • Experience with antenna system installation, testing and optimization

A subset of the below:

  • Understanding of Radio Frequency (RF) systems, design, propagation, and receiver performance
  • Understanding of antenna theory
  • Experience operating or maintaining Intrusion Detection and Access Control security systems
  • Experience with CAD software (Solidworks, Fusion 360) and associated equipment
  • Experience with Coaxial Cable and Fiber Optics including termination, splicing, and testing
  • User level understanding of Linux operating systems
  • Strong active-listening skills and attention to detail
  • Must be self-motivated with good interpersonal and written/verbal communication skills
  • Experience in producing technical volumes, white papers, version description documents
  • Ability to lift 50+ lbs to aid in the installation, testing & pack out of systems
  • Ability to work aloft on antenna systems at heights of up to 50 feet.

Desired:

  • Experience of subsystem integration into a large system (aircraft, ground vehicle, ship, etc.)
  • Experience with antenna system, sub-system and depot level maintenance and repair
  • Experience tuning and optimizing microwave systems
  • Experience with Radio Frequency measurement
  • Exposure to SIGINT Production Systems
  • Understanding of the OSI model and networking principles
  • Understanding of signal analysis
  • DOD 8570.01 IAT Level II Certification (SEC+ or eqv.)

-

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:

$82,700 - 173,900 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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