Data Engineer; TS​/SCI Scope Poly; S

Staff Data Engineer (TS/SCI with Full Scope Poly) {S}

Job Category: ENG

Requisition Number: STAFF
003085

Posted: October 13, 2025

Full-Time

Stratagem Group Virginia
2325 Dulles Corner Blvd
10th Floor - Maxar
Herndon, VA 20171, USA

ARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next‑generation solutions to support the national security space enterprise. Built on more than six decades of excellence, ARKA brings modern approaches and a culture of innovation to the challenges of today.

Join the ARKA team to learn how Beyond Begins Here. Discover your next career opportunity now!

Position Overview:

We are looking for a Staff Data Engineer/Scientist looking for new challenging problems. You will support the development of AI/ML algorithms in a multitude of disciplines from large language models, natural language processing, and time‑series predictive analytics. Additionally, we have a team of excellent researchers and software developers who are eager to mentor and teach their craft.

In support of work/life balance, many positions are available for a flexible schedule within the pay period. Ask us about the opportunity for flex scheduling if that’s of interest to you.

We offer generous relocation benefits for eligible candidates.

Responsibilities:

• Assembles large, complex sets of data to support AI/ML algorithm implementation
• Identifies, designs, and implements internal process improvements including re‑designing infrastructure for greater scalability, optimizing data delivery, and automating manual processes
• Builds required infrastructure for optimal extraction, transformation and loading of data from various data sources
• Curate and maintain data that is stored in support of metrics and evaluation
• Design, build, test, maintain, and automate data collection/pipelines
• Develop Dashboards for Data Analytics
• Implement Artificial Intelligence/Machine Learning algorithms
• Using Agile methodologies to develop software

Required Qualifications:

• B.S. in data science, AI/ML, computer science, or related field
• Minimum 6 years of relevant experience as a Data Engineer/Scientist
• Experience developing data pipelines and normalizing data with canonical Python packages (e.g. Num Py, Pandas, Polars)
• Active TS/SCI U.S. Government Security Clearance with a recent Full‑Scope Polygraph (FSP)

Preferred Qualifications:

• M.S. or PhD in data science, AI/ML, computer science, or related field
• Experience with Gitlab, Dev Sec Ops  utilizing test‑driven development, containers (e.g. Docker, Docker Compose), cloud services (e.g. AWS), tools for distributed computing (e.g. Spark, Pyspark)

Location: Herndon, VA

Herndon offers a charming blend of small‑town ambiance and modern conveniences. In historic Herndon you’ll find small‑town charm while maintaining all the amenities of big‑city life. The area has beloved farms to explore, historic sites, festivals, local parks, breweries, and some of the best restaurants in the area. Its proximity to Dulles International Airport and the Herndon Metrorail Station provides easy travel to over 400 shops and restaurants in the malls of Tysons or stay on the train and see the monuments and memorials of Washington, DC.

Overall, Herndon provides a perfect mix of small‑town charm, and big‑city amenities complemented with many family local attractions, events, music, restaurants and a great lifestyle!

What We Offer:

• Company contributions to qualified HSA accounts
• 401k retirement plan with industry leading company contributions
• 3 weeks of vacation accrual per year plus time off for sick leave and unscheduled life events
• 13 paid holidays
• Upfront tuition assistance for approved degree programs
• Annual bonus program based on company and employee performance
• Company paid life insurance, AD&D, Short‑Term and Long‑Term disability insurance
• 4 weeks paid Parental Leave
• Employee assistance program (EAP)

This job operates in a professional office environment. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for…