Application Engineer III

Reflexive Concepts is seeking a skilled Application Engineer III to join our team!QualificationsSix (6) years of experience supporting projects and programs similar in scope and complexityBachelor's degree in Computer Science or a related fieldActive TS/SCI with Full Scope Polygraph dated within the last 6 yearsDuties 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 projectThis is a blended position across all teams in ANDS, with skills spanning Systems Administration and Operations SupportEnsure data reliability and accuracy by monitoring and maintaining application systemsContribute to operational success through continuous performance monitoring and proactive troubleshooting, which may include changes to system configuration or the code baseMaintain system health by tracking metrics, logs, dashboards, alerts, and application status to prevent downtime and ensure optimal application performanceSupport watch floor operations by identifying service degradation, failed dataflows, system errors, and application issues, and escalating as neededPerform 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 rebootsSupport 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 troubleshootingWork a rotating shift schedule (6AM-6PM or 6PM-6AM) to provide 24/7 application support on the watch floorRequired: Proficiency in ONE or more of the following skillsets / technologies:Monitoring / Watch Floor Operations: monitoring tools such as Grafana, Kibana, Splunk, or CloudWatchSystems Administration: experience working in a Linux environment; ability to check system health, start, stop, and restart services, review logs, and reboot servers safelyCloud / AWS Operations: experience supporting EC2 instances, service health checks, and basic operational troubleshootingDataflow / 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 issuesDevOps: Terraform, Ansible, GitLab Pipelines, Docker