Application Engineer
Caci International
Linthicum Heights, MD · Posted November 2, 2026
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Where Linthicum Heights, MD ranks
Where Linthicum Heights, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
AI use among mechanical engineers is little observed so far. Measured exposure for mechanical engineers: 8% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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About the job
Job Title: Application Engineer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI with Polygraph
Employee Type: Regular
Percentage of Travel Required: None
Type of Travel: None
* * *
The Opportunity
Are you passionate about solving complex technical challenges and supporting mission-critical systems? CACI is seeking an experienced Application Engineer to join our team in Linthicum Heights, Maryland.
In this role, you will provide advanced technical support, troubleshoot and resolve application issues, and collaborate closely with customers, internal teams, and vendors to ensure reliable system performance. You'll have the opportunity to work with cutting-edge technologies supporting our nation's intelligence community while serving as a technical leader and trusted partner to customers.
If you thrive in a collaborative environment, enjoy problem-solving, and want to make a meaningful impact, we encourage you to apply.
Responsibilities
As an Application Engineer, you will:
Provide Tier 2 and Tier 3 technical support for mission-critical applications and services.
Diagnose, troubleshoot, and resolve complex customer issues in a timely manner.
Assist customers with application configuration, deployment, and operational support.
Collaborate directly with vendor support teams to investigate and resolve technical challenges.
Serve as a technical resource and mentor for team members, providing guidance and support on complex issues.
Monitor, analyze, and improve application performance and reliability.
Document troubleshooting procedures, resolutions, and best practices to improve support efficiency.
Partner with customers and stakeholders to ensure a high level of service and satisfaction.
Qualifications:
Required:
Active TS/SCI w/ Polygraph
All education and experience must be in a technical field directly related to the labor category. Degrees, diplomas, and GED certificates must be obtained from accredited institutions. Candidates must possess one of the following combinations of education and experience:
High School Diploma/GED and 12+ years of relevant experience
Associate Degree and 10+ years of relevant experience
Bachelor's Degree and 8+ years of relevant experience
Master's Degree and 6+ years of relevant experience
Doctorate Degree and 4+ years of relevant experience
Strong experience with Linux-based operating systems.
Experience working with PostgreSQL databases.
Proficiency with Python development and scripting.
Experience creating, executing, and maintaining Ansible roles and playbooks.
Experience with the Elastic Stack.
Experience building, deploying, and troubleshooting Podman containers.
Experience using ticketing and service management platforms such as Jira or ServiceNow.
Experience working within GitLab CI/CD workflows and automated deployment pipelines.
Desired
Experience in software engineering using Angular and/or Rust.
Experience with or knowledge of Tenable security products.
Familiarity with Apache NiFi.
Experience supporting enterprise or intelligence community environments.
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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: $103,800 - $218,100
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.