Database Engineer/System Administrator with Security Clearance

Cornerstone Defense; Maryland; On-site; USD 180,000 - 200,000; Full time

Benefits offered by this job

Medical benefits

Dental

Vision

401(k)

HSA and FSA

Life and Disability Insurance

Tuition Reimbursement

Fitness Reimbursement

Travel Assistance

Referral Program

Job summary

Cornerstone Defense LLC in Annapolis Junction, MD, is seeking a Database Engineer/System Administrator to design, optimize, and secure critical Oracle databases within our OCI-enabled environment. You will collaborate with cloud and security teams to ensure high availability and strong performance across services.

The role requires advanced SQL tuning, automation with infrastructure-as-code, and the ability to explain complex technical topics to non-technical stakeholders.

Qualifications

• Strong knowledge of Oracle Database (19c or newer).
• Proficiency in OCI database services (Autonomous Database, DBaaS, Exadata Cloud Service).
• Familiarity with cloud architecture and OCI tools (OCI CLI, Console, APIs).
• SQL query optimization, indexing, and partitioning; experience with AWR/ASH/OEM.
• Infrastructure as code: Terraform; OCI Resource Manager.
• Scripting: Python, Shell, or PL/SQL.
• Database security best practices, encryption, and GDPR/HIPAA compliance.
• Excellent communication and collaboration across teams.

Skills

Oracle Database

OCI Tools

Cloud Architecture

Terraform

Python

Shell Scripting

PL/SQL

Security & Encryption

AWR/ASH/OEM

Tools

OCI CLI

OCI Console

APIs

Job description

Title

Database Engineer/System Administraator

Location

Annapolis Junction, MD

Salary Range

$180-$200K

Company Overview

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.

Benefits Overview

• Medical, Dental and Vision Plans
• Generous PTO Policy
• 401(k)
• HSA and FSA options
• Life and Disability Insurance
• Tuition Reimbursement and Training
• Perks at Work Discount Program
• Referral Program
• Leads Generation Program
• CollegeAmerica 529
• Fitness Reimbursement Program
• Travel Assistance
• Norton Lifelock Benefit Solutions
• Life Planning Financial & Legal Services
• Description:
• Required Skills & Qualifications
• Technical Expertise: Strong knowledge of Oracle Database (version 19c, or newer). Proficiency in OCI database services (Autonomous Database, DBaaS, Exadata Cloud Service). Familiarity with cloud architecture, virtualization, and OCI-specific tools (OCI CLI, Console, and APIs).
• Performance & Troubleshooting: Experience with SQL query optimization, indexing, and partitioning. Hands-on experience with monitoring and diagnostic tools like Oracle AWR, ASH, or OEM.
• Cloud & Automation: Understanding of cloud-native principles and experience with infrastructure-as-code (Terraform, OCI Resource Manager). Knowledge of scripting languages such as Python, Shell scripting, or PL/SQL.
• Security & Compliance: Familiarity with database security best practices, encryption, and compliance standards (GDPR, HIPAA).
• Communication & Collaboration: Excellent problem-solving and communication skills. Ability to work in a cross-functional team and explain technical concepts to non-technical stakeholders.