Senior Data Scientist (AI-Specialized).
Arlington.
$219,000
median salary, 18% above the national average
$166,000 to $284,000. Last updated April 2026.
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Data points to own the conversation.
The median Senior Data Scientist (AI-Specialized) salary in Arlington is $219,000, 18% above the national average. Entry level starts near $166,000. Experienced professionals push past $284,000. Arlington is the heart of the DC defense and intelligence corridor, home to the Pentagon, DARPA, and hundreds of government contractors. That spread is your negotiation window.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $197,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$142,000
to $175,000
Mid (3-5 yrs)
$186,000
to $230,000
Senior (6-9 yrs)
$241,000
to $285,000
Lead (10+ yrs)
$274,000
to $339,000
Salary trend
+3% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $61,000 to the total package.
Base
$219,000
Equity
$35,000
Bonus
$22,000
Signing
$4,000
Estimated total: $280,000
How Arlington compares
Arlington, VA
$219,000
Cost of living: 22% above average
National Average
$185,000
Arlington is $34,000 above
Senior Data Scientist (AI-Specialized) salary by city
Salary by role in Arlington
What you should know
Before you negotiate a Senior Data Scientist (AI-Specialized) offer in Arlington, understand the terrain. Arlington is the heart of the DC defense and intelligence corridor, home to the Pentagon, DARPA, and hundreds of government contractors. The concentration of cleared tech jobs makes it one of the highest-paying metros for cybersecurity and cloud engineering. Amazon's HQ2 has brought a wave of commercial tech hiring. Compensation depends on ability to translate business problems into ML solutions and deploy models to production. Scientists who combine statistical rigor with engineering skills earn significantly more. Domain expertise in high-value sectors like fintech, biotech, or adtech adds 10 to 20% to offers.
Junior data scientists start at $95,000 to $120,000. Mid-level roles pay $130,000 to $160,000. Senior AI-specialized scientists earn $185,000 to $240,000, and principal or staff data scientists at top firms reach $280,000 to $350,000 in total compensation. In Arlington, those numbers run higher. The cost of living here is 22% above average, and employers adjust to compete.
Base salary is not the full picture. Annual bonuses typically range from 10 to 15% of base salary. Equity grants vary widely, with startups offering larger percentages and public companies providing RSUs worth $40,000 to $100,000 annually. And on the tax side: virginia's top income tax rate is 5.75%. Arlington has no additional city income tax. Proximity to DC means many residents compare against DC and Maryland tax rates. When someone quotes you $219,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: A security clearance is your strongest asset. Cleared professionals in Arlington earn 20 to 30% premiums over non-cleared equivalents. The range for Senior Data Scientist (AI-Specialized)s in Arlington runs from $166,000 to $284,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Sources: SEC filings, H-1B LCA (DOL), BLS OES, 50+ job posting platforms. COL: BEA Regional Price Parities (2025). Data verified by Justin Bartak, Founder & Chief AI Officer. Last verified April 8, 2026. Full methodology
Considering a related role?
- A AI Engineer in Arlington earns $218,000 (0% more)
- The highest-paying role in Arlington is Distinguished Engineer at $386,000
Common questions.
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