Application Engineer III

Reflexive Concepts, LLC; Fort Meade (MD); On-site; USD 100,000 - 140,000; Full time

Job summary

Reflexive Concepts, LLC is seeking an Application Engineer III to join our team in Maryland. The role focuses on automating security evaluation processes, monitoring and supporting enterprise applications, and ensuring 24/7 watch floor coverage across all teams.

Candidates should have at least six years of relevant experience, a BS in CS or related field, and hands-on skills in Linux administration, AWS, and DevOps tools like Terraform, Ansible, Docker and GitLab Pipelines.

Qualifications

• Six (6) years of experience in projects and programs similar in scope and complexity.
• Bachelor's Degree in Computer Science or a related field.

Responsibilities

• Develop capabilities to automate security evaluation and authorization process.
• Blend across teams in ANDS with skills crossing from Systems Administration and Operations Support.
• Ensure data reliability and accuracy by monitoring and maintaining application systems.
• Contribute to operational success through continuous performance monitoring and troubleshooting.
• Maintain system health by tracking metrics, logs, dashboards, alerts, and application status.
• Support watchfloor operations by identifying service degradation, failed dataflows, system errors, and escalation as needed.
• Perform basic Linux system administration tasks: status checks, start/stop/restart services, logs, disk/memory/CPU usage, reboots.
• Support cloud-based operations using AWS Console or AWS CLI for health checks and troubleshooting.
• Work in a rotating shift schedule, 6AM-6PM / 6PM-6AM for 24/7 application support on watch floor.

Skills

Grafana

Kibana

Splunk

CloudWatch

Linux administration

AWS operations

Data pipelines

Dataflow

DevOps

Terraform

Ansible

GitLab Pipelines

Docker

Education

Bachelor's degree in Computer Science or related field

Tools

NiFi

Cribl

Kafka

Logstash

Job description

Reflexive Concepts is seeking a skilled Application Engineer III to join our team!

Qualifications

• Six (6) years of experience supporting projects and programs similar in scope and complexity
• Bachelors Degree in Computer Science or a related field

Duties and Responsibilities

• As part of the Secure the Enterprise initiative, develop capabilities to shift from the current manual system security evaluation and authorization process to a new model that emphasizes automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across the entire life cycle of a project.
• This is a blended position across all teams in ANDS, with skills crossing from Systems Administration and Operations Support
• Ensure data reliability and accuracy by monitoring and maintaining application systems
• Contribute to operational success through continuous performance monitoring and proactive troubleshooting, to potentially include changes to system configuration, changes to the code base, etc.
• Maintain system health by tracking metrics, logs, dashboards, alerts, and application status to prevent downtime and ensure optimal application performance
• Support watchfloor operations by identifying service degradation, failed dataflows, system errors, and application issues, and escalating as needed
• Perform basic Linux system administration tasks, including checking service status, starting, stopping, and restarting services, reviewing logs, validating disk, memory, and CPU usage, and supporting server reboots
• Support cloud-based operations by using the AWS Console or AWS CLI to check instance health, review system status, restart or reboot servers, and assist with basic operational troubleshooting
• Work in a rotating shift schedule, 6AM-6PM / 6PM-6AM, to provide 24/7 application support on the watch floor

Required

• Proficiency in ONE or more of the following skillsets / technologies:
• Monitoring / Watchfloor Operations: monitoring tools such as Grafana, Kibana, Splunk, or CloudWatch
• Systems Administration: working in a Linux environment; ability to check system health, start, stop, and restart services, review logs, and reboot servers safely
• Cloud / AWS Operations: experience supporting EC2 instances, service health checks, and basic operational troubleshooting
• Dataflow / Application Support: data pipeline / dataflow tools such as Apache NiFi, Cribl, Kafka, Logstash, or similar; experience monitoring application health, failed jobs, queues, data movement, and ingestion issues
• DevOps: Terraform, Ansible, GitLab Pipelines, Docker