Database Engineer

Mission Technologies, a division of HII

Database Engineer within HII’s Cyber and Intelligence division supporting government programs for national security. Designing and managing complex database systems for mission-critical operations.

Posted 4/14/2026full-timeSpringfield • Virginia • 🇺🇸 United StatesJuniorMid-Level💰 $95,000 - $205,000 per yearWebsite

Tech Stack

Tools & technologies

LinuxMariaDBMongoDBMS SQL ServerMySQLOraclePostgresSDLCSQLTypeScriptUnix

About the role

Key responsibilities & impact

Designs, develops, builds, analyzes, evaluates and installs database management systems to include database modeling and design, relational database architecture, metadata and repository creation and configuration management.
Uses data mapping, data mining and data transformational analysis tools to design and develop databases.
Determines data storage and optimum storage requirements.
Prepares system requirements, source analysis and process analyses and design throughout the database implementation.

Requirements

What you’ll need

A Bachelors Degree in related field and 2+ years of experience, OR A Masters Degree in related field and 0+ years of experience, OR A High School Diploma or equivalent and 6+ years of relevant experience
7+ years of hands-on systems engineering experience to design, engineer, implement, test, and secure enterprise-grade relational and non-relational database solutions such as MySQL, PostgreSQL, Microsoft SQL Server, MariaDB, Oracle and Mongo DB across Windows and Unix/Linux platforms.
Experience implementing, administering, monitoring, and utilizing High Availability, resiliency, disaster recovery, and continuity of operations technologies, concepts, and functions.
Database performance optimization tasks such as query plan optimization, query rewrite, and index creation and design.
Should have previous systems engineering experience within an established Systems Development LifeCycle (SDLC) program.
Minimum active TS/SCI required to start, candidate must be willing and able to obtain and maintain a CI Poly once selected.
Must have current Sec+ (or applicable) certification or be willing to complete certification within 90 days of starting employment.

Benefits

Comp & perks

best-in-class medical, dental and vision plan choices
wellness resources
employee assistance programs
Savings Plan Options (401(k))
financial planning tools
life insurance
employee discounts
paid holidays and paid time off
tuition reimbursement
early childhood and post-secondary education scholarships

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

database management systemsdatabase modelingrelational database architecturedata mappingdata miningdata transformational analysisMySQLPostgreSQLMicrosoft SQL ServerMongoDB

Soft Skills

analytical skillsproblem-solvingcommunicationteam collaborationattention to detail

Certifications

Bachelors DegreeMasters DegreeHigh School DiplomaTS/SCICI PolySec+