Senior Performance Engineer

Performance Engineer:

Senior-level technical role focused on optimizing the performance, scalability, and reliability of large-scale database systems. This position combines deep Oracle Database expertise with advanced performance engineering, query optimization, troubleshooting, and capacity planning skills. The DBA Performance Engineer serves as a subject matter expert in diagnosing and resolving complex performance issues across mission-critical production environments.

Key Responsibilities:

• Lead performance analysis, tuning, and optimization of Oracle Database environments (19c, 21c, Exadata, RAC, Data Guard)
• Coordinate and work with DISA resources as needed
• Perform deep-dive performance diagnostics using AWR, ASH, ADDM, SQL Trace, TKPROF, and Oracle Enterprise Manager
• Identify and resolve SQL performance bottlenecks, inefficient execution plans, and resource contention
• Work with development teams to optimize code and configurations
• Design and implement performance improvements for high-transaction OLTP and large-scale OLAP/Data Warehouse systems
• Conduct proactive performance monitoring, trending, and capacity planning
• Support major database upgrades, migrations, and consolidation efforts with a strong focus on performance
• Develop and maintain performance baselines, benchmarks, and tuning standards
• Provide expert-level troubleshooting for complex performance incidents and production fires
• Collaborate with application teams, developers, and architects to optimize application-database interaction
• Create and present performance reports and recommendations to technical and executive leadership
• Ensure database performance compliance with DoD security and STIG requirements

Company Description

Dexian Government Solutions is an award-winning, ISO 9001:2015 certified, business and GSA contract holder providing diversified Information Technology services to both Civilian and Defense agencies. Services include Software Development, Systems Integration, Data Management, Project Management, Operations & Maintenance, Cybersecurity, and Training and Audio/Visual (AV) Solutions. Dexian Government Solutions has received several recognitions, including rankings on "Top 50 Companies to Watch", Washington Technology's Annual "FAST 50", and Inc. 500's List of "Fastest Growing Private Companies". The Dexian Government Solutions team is comprised of individuals who are dedicated to the success and sustainability of our customers and their missions. Our combination of technical expertise, big business experience, and small business agility allows us to promptly provide our customers with exceptional IT and engineering solutions.

Benefits

Our robust benefits package includes Open Paid Time Off, 11 Federal Paid Holidays & 5 Paid Sick Days, Company-paid Life/AD&D, Company-paid Short Term and Long-Term Disability, Health Insurance with Company Contribution, 401k Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more!

EEO Statement

Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need.

All applicants will be considered for employment without attention to race, religion, color, national origin, ancestry, physical or mental disability, medical condition, pregnancy (including childbirth, lactation and related medical conditions), marital status, genetic information (including characteristics and testing), gender, sexual orientation, gender identity or expression, military and veteran status, or any other status protected under federal, state, or local law in the locations where we operate.

If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Human Resources. The Company invites any applicant and/or employee to review the Company's written Affirmative Action Plan. This plan is available for inspection upon request.

This role requires customer approval, suitability to hold a public trust and successful completion of a preemployment background screening.