210 Database Engineer 3 with Security Clearance

ARSIEM Corporation; Maryland; On-site; USD 171,000 - 191,000; Full time

Job summary

ARSIEM Corporation in Annapolis Junction, MD is seeking a Database Engineer 3 to support a government client. The role focuses on database design, development and performance optimization within a secure, DoD-aligned environment.

You will work across the full lifecycle from requirements through IOC, translating business needs into robust data structures and optimized queries, with emphasis on reliability, scalability and compliance.

Qualifications

• Experience with Oracle Database, Oracle Enterprise Manager, and Oracle Data Guard.
• Linux OS, Bash scripting experience required.
• DoD 8570.01-M IAT II information assurance compliance is required.
• Ten years’ DBE experience or a bachelor’s degree with relevant experience.

Responsibilities

• Provides technical expertise for database design, development, and data retrieval.
• Develops relational/OO databases, parser software, and loading software.
• Translates requirements into usable queries and macros; uses ODBC and cloud storage.
• Leads front-end lifecycle work from requirements to IOC and testing.

Skills

Oracle Database

Linux OS

Bash Scripting

DoD 8570.01-M IAT II

MongoDB experience

Education

Bachelor’s degree in technical discipline

5 years DBE experience may substitute for bachelor’s degree

Tools

Oracle Enterprise Manager

Oracle Data Guard

Open Database Connectivity (ODBC)

Cloud methodologies

Job description

About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support. As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with. ARSIEM is currently looking for a Database Engineer 3. The position will support one of our Government clients in Annapolis Junction, MD.

Responsibilities

• Provides technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis.
• Develops relational and/or Object-Oriented databases, database parser software, and database loading software.
• Projects long-range requirements for database administration and design.
• Responsible for developing a database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls.
• The DBE works primarily at the front end of the lifecycle-requirements through system acceptance testing and Initial Operational Capability (IOC).
• Develops requirements from a projects inception to its conclusion for a particular business and Information Technology (IT) subject matter area (i.e., simple to complex systems).
• Assists with recommendations for, and analysis and evaluation of systems improvements, optimization, development, and/or maintenance efforts.
• Translates a set of requirements and data into a usable document by creating or recreating ad hoc queries, scripts, and macros; updates existing queries, creates new ones to manipulate data into a master file; and builds complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies.

Minimum Qualifications

• Extensive experience with installation and patching associated with Oracle Database, Oracle Enterprise Manager, and Oracle Data Guard
• Linux OS, Linux Commands, Bash Scripting
• Nice to have: Mongo experience
• Ten (10) years’ experience as a DBE in programs and contracts of similar scope, type, and complexity is required.
• Bachelor’s degree in a technical discipline from an accredited college or university is required.
• Five (5) years of DBE experience may be substituted for a bachelor’s degree.
• Experience in Information Assurance: DoD 8570.01-M compliance with Information Assurance Technical (IAT) Level II is required

Preferred Qualifications

• Support the database design, development, implementation, information storage and retrieval, data flow and analysis activities
• Support the analysis and evaluation of system improvements, optimization, development and/or maintenance efforts
• Support the development of long and short term requirements for database administration and design
• Assist in developing databases, database parser software, and database loading software
• Translate a set of requirements and data into a usable database schema by creating or recreating ad hoc queries, scripts and macros, updates existing queries, creates new ones to manipulate data into a master file
• Assist in developing database structures that fit into the overall architecture of the system under development
• Lead development of database structures that fit into the overall architecture of the system under development
• Lead development of databases, database parser software, and database loading software
• Develop requirement recommendations from a projects inception to its conclusion for a particular Business and IT subject matter area (i.e., simple to complex systems)
• Develop a database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls
• Direct fulfillment of requirements from a projects inception to it conclusion
• Direct organization of requirements and data into a usable database schema by directing development of ad hoc queries, scripts, macros, updates to existing queries
• Direct the overall database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls
• Direct the development of complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies

$171,000 - $191,000 a year The ARSIEM pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) job responsibilities, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other laws.

Benefits: For an overview of our benefits, please visit our benefits tab. https://www.arsiem.com/careers/

Original Posting Date: 2026-10-29

Clearance Requirement: This position requires an active TS/SCI with a polygraph. You must be a US Citizen for consideration.

Candidate Referral

Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $5,000, and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

ARSIEM is proud to be an Equal Opportunity and Affhinitive Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.