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Principal Data Engineer

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Job ID: 2211204
Location: ALEXANDRIA, VA, United States
Date Posted: Aug 31, 2022
Category: Information Technology
Subcategory: Database Admin
Schedule: Full-time
Shift: Day Job
Travel: No
Minimum Clearance Required: None
Clearance Level Must Be Able to Obtain: Public Trust
Potential for Remote Work: No Remote
Benefits: Click here

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Job Description


We are currently seeking a motivated, career and customer oriented Principal Data Engineer to join our team in Alexandria VA to begin an exciting and challenging career with SAIC 


Key Responsibilities:

Develop an understanding of the customer’s data environment through data profiling and statistical analyses

Execute complex SQL queries of large Oracle table(s) efficiently.  (Note:  Advanced command of SQL is important – beyond just simple PROC SQL commands in SAS to include perhaps something like Toad or Oracle SQL Developer.) 

Obtain, scrub, explore, model and interpret data currently stored in Oracle databases – using SQL and other data mining tools/techniques

Provide accuracy and biometric sample quality based on machine learning and statistical analyses 

Lead DBA for Amazon RDS/Cloud DB 

Provide Cloud DB sizing recommendations

Provide data modeling including schemas, tables, indexing…etc

Create/manage DDL and DML for multiple databases

Work with DBA leads for other databases

Support developers with recommendations



Required Experience and Skills:

BS Degree in (Computer Science, Engineering, etc) and 9 years experience or equivalent combination of education and experience.

• Must be able to obtain and maintain a DHS public Trust 

Experience with developing predictive models on accuracy using large data sets for high transactional volume environment

Experience with evaluating and measuring performance of models

Should have a firm understanding of common statistical modeling and techniques (e.g., linear regression, logistic regression, decision trees, etc.).

Perform the above tasks using Python or R.

Possess the ability to perform with little direct supervision as a self-starter.

Demonstrate excellent troubleshooting skills.

Expertise in PL/SQL including optimization/permission

Ability to be a thought-leader in the area of analytics/data science with respect to entity resolution as it pertains to the customer’s mission.

Ability to generate written documentation of all work performed.

Have a customer-focused demeanor.

Have effective oral and written communication skills. 

Ability to understand and analyze data models – how the data is stored in relational databases

Ability to understand system integration aspects of integrating model input and output in transactional systems to help real time decision making

Good understanding software application architecture and develop integration approaches for predictive models

Prior experience in working in a mission oriented environment a plus

Experience with statistics, modeling and machine learning techniques a plus

Ability to work effectively within a team environment

Ability to work effectively in a high energy and a very rapid dynamic environment


Preferred Experiences and Skills:

Conceptual understanding of – and/or prior experiences related to – calculating FAR/FMR, FRR/FNMR, TAR, TNR and False Alarm Rate.

Conceptual understanding of – and/or prior experiences related to – data profiling, fuzzy matching, entity resolution, and signal detection theory (specifically with respect to SD theory:  designing and improving upon systems that monitor, minimize, and balance false positive and false negative outcomes). 

Conceptual understanding of – and/or prior experiences related to biometric performance using ROC, DET, CMC curves, Identification and detection rate curves and so forth. 

Conceptual understanding and knowledge of ISO/IEC 19795-1:2006 (or ISO/IEC NP 19795-1).

Advanced – Master’s degree Computer Science or Applied Mathematics or Computational Statistics preferred










Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.


SAIC® is a premier Fortune 500® technology integrator driving our nation's technology transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, digital, artificial intelligence, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are more than 26,500 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer, fostering a respectful work culture based on diversity, equity, and inclusion that values all contributors. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit

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