Application Engineer 3 (24x7)

Themis Insight • Fort Meade, MD

113d • Onsite

About The Position

Themis Insight is hiring an Application Engineer 3 to work in Fort Meade, Maryland. The position location may change based on the needs of a central Maryland client. The role supports the Secure the Enterprise initiative, which aims to move from manual system security evaluation and authorization toward automation, streamlined processes and approvals, continuous monitoring and assessment, and network data gathering across a project's life cycle. This blended role spans software development, systems engineering, systems administration, and operations support. The successful candidate must hold a TS/SCI clearance with a polygraph and provide 24/7 application support from a watch floor on a rotating 6 AM–6 PM / 6 PM–6 AM schedule.

Requirements

• Active TS/SCI with a polygraph.
• Technical education and experience directly related to the labor category, with credentials from accredited institutions.
• Minimum experience varies by education: 10 years with a high school diploma or GED; 8 years with an associate's degree; 6 years with a bachelor's degree; 4 years with a master's degree; or 2 years with a doctorate.
• Proficiency in at least one of the following areas: monitoring/watchfloor operations; Linux systems administration; cloud/AWS operations; dataflow/application support; or DevOps technologies.
• Ability to work a rotating 6 AM–6 PM / 6 PM–6 AM schedule.

Responsibilities

• Monitor and maintain application systems to ensure data reliability and accuracy.
• Continuously monitor performance and proactively troubleshoot, including making system configuration or code-base changes when needed.
• Track metrics, logs, dashboards, alerts, and application status to maintain system health, prevent downtime, and ensure application performance.
• Identify service degradation, failed dataflows, system errors, and application issues during watchfloor operations, and escalate as needed.
• Perform basic Linux system administration, including checking service status; starting, stopping, and restarting services; reviewing logs; validating disk, memory, and CPU usage; and supporting server reboots.
• Support cloud operations using the AWS Console or AWS CLI to check instance health, review system status, restart or reboot servers, and assist with basic operational troubleshooting.
• Provide application support on a rotating schedule to cover 24/7 watchfloor operations.

Benefits

• Competitive health, dental, and vision plans with 100% of premiums paid.
• 401(k) contribution of 6%, even if the employee does not contribute.
• 11 standard holidays and 25 days of paid time off.
• Career counseling and individualized career development plans, including education and training.
• Employee referral bonuses for successful hires.

What This Job Offers

• Job Type: Full-time
• Education Level: High school or GED