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Application Engineer

CACI International

Linthicum Heights, MDFull-time$104–218K/yrSeen 2 days agoSeen in employer's feed 2 days ago

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At a glance

Compensation
$104–218K/yr
Location
Linthicum Heights, MD
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearance

Job overview

CACI is seeking an experienced Application Engineer in Linthicum Heights, Maryland, to support mission-critical applications for the intelligence community. The role provides advanced technical support, resolves application issues, and works with customers, internal teams, and vendors to maintain reliable system performance. The engineer also serves as a technical resource for teammates and helps improve application performance and support practices.

Skills & qualifications

RequiredNice to have

Skills

LinuxPostgreSQLPythonAnsibleElastic StackPodmanJiraServiceNowGitLab CI/CDAngularRustTenableApache NiFiEnterprise EnvironmentsIntelligence Community Environments

Qualifications

TS/SCI With PolygraphHigh School/GED+12, Associate+10, Bachelor's+8, Master's+6, or Doctorate+4 Years

Benefits

Paid Time Off
Medical Insurance
401(k) Match
Tuition Assistance

Full job description

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.

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.

How this job compares

Set against the 570 open Application Engineer jobs on Olive Jobs, counted November 7, 2026.

Pay
  • This posting$104–218K/yr
  • US median$100–182K/yr364 salary ranges

This range's midpoint, $161K, is 18% above the US median midpoint ($137K) — in the middle half of Application Engineer salary ranges across the US.

Openings
Olive Jobs lists 21 open Application Engineer jobs in Maryland and 570 across the US. 8% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 4 years of experience; Application Engineer postings that state a minimum ask for 4 years at the median (440 postings).
Education
261 of the 570 open Application Engineer jobs (46%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 7, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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