Application Engineer III

Reflexive Concepts

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. As such, the successful candidate will have skills crossing from Software Development, Systems Engineering, 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 our watch floor

Required:

• Monitoring / Watchfloor Operations: Grafana, Kibana, Splunk, CloudWatch, or similar monitoring tools; dashboard monitoring, alert triage, log review, incident escalation, and shift turnover support
• Linux / Systems Administration: comfortable working in a Linux environment; ability to check system health, start, stop, and restart services, review logs, and reboot servers safely
• Cloud / AWS Operations: C2E, HCI, AWS, Lambda, AWS Console, or AWS CLI experience supporting EC2 instances, service health checks, and basic operational troubleshooting
• Dataflow / Application Support: Apache NiFi, Cribl, Kafka, Logstash, or similar data pipeline / dataflow tools; experience monitoring application health, failed jobs, queues, data movement, and ingestion issues
• DevOps: Terraform, Ansible, GitLab Pipelines, Docker