Application Engineer III

Reflexive Concepts; Fort Meade (MD); On-site; USD 90,000 - 120,000; Full time

Job summary

Reflexive Concepts is seeking an experienced Application Engineer III to support the Secure the Enterprise initiative. The role spans software development, systems engineering, and operations, focusing on automation, data gathering, and continuous monitoring across the project life cycle.

The ideal candidate has 6 years of relevant experience, a BS in computer science, strong Linux skills, and hands-on AWS/DevOps experience.

Qualifications

• Six (6) years of experience supporting projects and programs similar in scope and complexity.
• Bachelor's Degree in Computer Science or related field.
• Experience with monitoring tools and dashboards.
• Experience with Linux system administration and cloud/AWS operations.
• Experience with dataflow/data pipelines and incident management.
• Experience with DevOps tooling and automation (Terraform, Ansible, pipelines, containers).

Responsibilities

• Develop automation and monitoring capabilities for a secure enterprise environment.
• Collaborate across Software Development, Systems Engineering, and Operations Support teams.
• Monitor data reliability and application health; optimize performance and troubleshoot issues.
• Operate and watchfloor support across shifts (24/7 coverage) and triage incidents.
• Perform basic Linux administration tasks and monitor system health and logs.
• Support AWS-based operations, health checks, and basic troubleshooting.
• Maintain dashboards, logs, alerts, and metrics to prevent downtime.

Skills

Monitoring/watchfloor operations

Linux/system administration

Cloud/AWS operations

Dataflow/application support

DevOps

Education

Bachelor's degree in computer science

Tools

Grafana

Kibana

Splunk

CloudWatch

Apache NiFi

Cribl

Kafka

Logstash

Terraform

Ansible

GitLab Pipelines

Docker

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. 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