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CACI

Field Service Engineer III

Aberdeen Proving Ground, MD, US

hirly's read of this role

Role family
Skilled trades
Seniority
Senior
Stated salary
$67,800 – $142,200 per year
Country
US
Work mode
On-site / unstated
First seen by hirly
27 Sept 2026

Derived automatically from the posting.

the posting

Job Title: Field Service Engineer III

Job Category: Engineering and Technical Support

Time Type: Full time

Minimum Clearance Required to Start: Secret

Employee Type: Regular

Percentage of Travel Required: Up to 25%

Type of Travel: Local

* * *

The Opportunity:

Provide direct, on-site customer support for the installation, sustainment, and repair of complex equipment and systems supporting Department of Defense mission requirements. As a Field Service Engineer III, you will:

Perform on-site product and solution installation, checkout, and sustainment activities for fielded systems

Diagnose, troubleshoot, service, and repair complex equipment and systems in operational environments

Serve as the company liaison with the customer on administrative and technical matters for assigned projects

Instruct customers in the proper operation and maintenance of fielded solutions

Interpret customer needs, define next steps, and clarify responsibility for problem resolution

Support any aspect of field support, including system hardware, software, network, and other technical infrastructure components

Responsibilities:

Oversee and/or perform diagnostic, troubleshooting, and repair activities for complex fielded equipment and systems

Check out and approve the operational quality of solution components prior to customer acceptance

Provide hands-on technical training and instruction to customer personnel on system operation and maintenance

Serve as the primary technical point of contact for field-level customer support activities

Coordinate with engineering, logistics, and program management teams to resolve field issues and minimize system downtime

Document field service activities, maintenance actions, and equipment status in accordance with program reporting requirements

Support system upgrades, technology refresh, and configuration changes at customer sites

Coach and review the work of lower-level field service technicians and engineers

Work independently with limited supervision while managing field service projects and processes

Influence system design, solutions, and procedures based on field experience and customer feedback

Travel to various customer and operational sites as required to support field service and sustainment activities

Qualifications:

Required:

Active Secret security clearance (required)

Master's degree in an Engineering discipline

7+ years of professional experience in field service engineering or related technical support

Demonstrated experience diagnosing, troubleshooting, and repairing complex equipment and systems in an operational environment

Strong understanding of system hardware, software, and network infrastructure components

Experience serving as a technical liaison between customers and engineering/program teams

Ability to work independently with limited supervision in field environments

Strong customer service and communication skills, with the ability to instruct customers on system operation and maintenance

Demonstrated ability to coach and review the work of lower-level technical staff

Excellent problem-solving skills with ability to resolve difficult and sometimes complex technical issues

Willingness and ability to travel to customer and operational sites as required

Desired:

Active Top Secret security clearance with SCI eligibility

Experience supporting C5ISR, SIGINT, EW, or intelligence systems in a field environment

Familiarity with CMOSS/MORA interface standards and VPX architectures

Experience with system integration, testing, and acceptance procedures

Knowledge of preventive maintenance practices and logistics support planning

Experience with technical documentation, including field service reports and maintenance logs

Familiarity with Security Technical Implementation Guides (STIGs) and secure system configurations

Understanding of Risk Management Framework (RMF) processes as they relate to fielded systems

Previous experience supporting government program offices or defense contractors

Experience training end-users on system operation and troubleshooting techniques

Knowledge of tactical communications, networking, or RF systems

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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:

$67,800 - 142,200 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.

Original posting on CACI's site ↗