Application Reliability & Support Engineer

Job Title: Application Reliability & Support 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
Join our dynamic team supporting the Secure the Enterprise initiative by helping transform today's manual system security evaluation and authorization processes into a modern, automated, and continuously monitored environment. In this role, you'll work across multiple technical domains-software development, systems engineering, systems administration, and operations support-to keep critical applications running smoothly and securely throughout their entire lifecycle. This is a hands-on position at the heart of mission operations, offering a fast-paced environment, broad technical exposure, and the opportunity to directly influence enterprise readiness and resiliency.

Responsibilities

• Monitor and maintain application systems to ensure data accuracy, reliability, and overall system health.
• Drive operational excellence by identifying performance issues, troubleshooting problems, and implementing improvements to system configuration or code when needed.
• Track and interpret key metrics, logs, dashboards, and alerts to proactively prevent downtime and maintain optimal performance.
• Support 24/7 watchfloor operations by detecting service degradations, dataflow failures, system errors, and application issues-and escalate when required
• Perform foundational Linux administration tasks, including service checks, restarts, log reviews, and resource validation (disk, memory, CPU), as well as supporting server reboots.
• Assist with cloud operations in AWS using the Console or CLI to assess instance health, review system status, reboot servers, and provide basic operational troubleshooting.
• Participate in a rotating 12-hour shift schedule (6AM-6PM / 6PM-6AM) to deliver continuous application support.

Qualifications

Required

• Active TS/SCI w/ Polygraph
• All experience and education must be technical and directly related to the role. All education must come from accredited institutions.
  
  • 10 years of experience with a High School Diploma/GED
  • 8 years of experience with an Associate's degree
  • 6 years of experience with a Bachelor's degree
  • 4 years of experience with a Master's degree
  • 2 years of experience with a Doctorate
• Candidates must be proficient in one or more of the following areas:
• Monitoring & Watchfloor Operations:
  Grafana, Kibana, Splunk, CloudWatch, or comparable tools; experience with dashboard monitoring, alert triage, log analysis, incident escalation, and shift turnover.
• Linux / Systems Administration
  Comfort operating in Linux environments, including conducting system health checks, managing services, reviewing logs, and safely rebooting servers.
• Cloud / AWS Operations
  Experience with C2E, HCI, AWS, Lambda, AWS Console, or AWS CLI-particularly in supporting EC2 instances, performing health checks, and basic operational troubleshooting.
• Dataflow / Application Support
  Familiarity with data pipeline tools such as Apache NiFi, Cribl, Kafka, or Logstash; experience monitoring job health, queues, ingestion flows, and data movement.
• DevOps Tools
  Exposure to Terraform, Ansible, GitLab Pipelines, or Docker.

Desired

• Experience working in mission operations or 24/7 support environment
• Familiarity with automated security assessment workflow
• Strong analytical troubleshooting skills and the ability to work independently in high-tempo situation
• Excellent communication skills for shift turnovers, incident reporting, and cross-team coordination

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:
$86,600 - $181,800

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.