
Application Engineer
Required skills
- TS/SCI with Polygraph
- technical field
- Linux-based operating systems
- PostgreSQL databases
- Python development and scripting
- Ansible roles and playbooks
- Elastic Stack
- Podman containers
- Jira
- ServiceNow
Nice to have
- software engineering
- Angular
- Rust
- Tenable security products
- Apache NiFi
- enterprise environments
Role summary
CACI is seeking an experienced Application Engineer to join their team in Linthicum Heights, Maryland. This role involves providing advanced technical support, troubleshooting, and resolving issues for mission-critical systems. The engineer will collaborate with customers, internal teams, and vendors, acting as a technical leader. Responsibilities include Tier 2/3 support, application configuration, deployment, operational support, performance monitoring, and documentation. The position requires a TS/SCI with Polygraph clearance and a strong technical background, with specific experience in Linux, PostgreSQL, Python, Ansible, Elastic Stack, Podman, ticketing platforms (Jira/ServiceNow), and CI/CD workflows.
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 - $218,100CACI 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.Similar roles
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