Principal Streaming Data Engineer.
Arlington.
$318,000
median salary, 21% above the national average
$248,000 to $412,000. Last updated April 2026.
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Data points to own the conversation.
Here is what Principal Streaming Data Engineers actually make in Arlington: $248,000 at the 25th percentile, $318,000 at the median, and $412,000 at the 75th. That is 21% above the national average. Arlington is the heart of the DC defense and intelligence corridor, home to the Pentagon, DARPA, and hundreds of government contractors. The number on your offer letter will depend on what you bring and how you ask.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $286,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$207,000
to $254,000
Mid (3-5 yrs)
$270,000
to $334,000
Senior (6-9 yrs)
$350,000
to $413,000
Lead (10+ yrs)
$398,000
to $493,000
Salary trend
+5% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $84,000 to the total package.
Base
$318,000
Equity
$48,000
Bonus
$30,000
Signing
$6,000
Estimated total: $402,000
How Arlington compares
Arlington, VA
$318,000
Cost of living: 22% above average
National Average
$263,000
Arlington is $55,000 above
Principal Streaming Data Engineer salary by city
Salary by role in Arlington
What you should know
Before you negotiate a Principal Streaming Data Engineer 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. Technical depth in data infrastructure, statistical rigor, and business impact measurement are the primary drivers. Principal Streaming Data Engineers who connect data work to revenue outcomes earn more than those focused purely on technical implementation. Experience with real-time data systems and ML feature engineering adds premiums.
Principal Streaming Data Engineers earn $205,000 to $341,000. This is an advanced individual contributor track. Progression leads to distinguished engineer or fellow titles at $409,000 to $477,000, or transitions to engineering leadership at comparable 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. Equity at top-tier companies adds 30% to 60% above base salary. Annual bonuses of 15% to 25% are standard. Signing bonuses of $25,000 to $75,000 are common when changing roles. Refresher equity grants vest annually. Relocation packages and executive benefits like financial planning are typical. 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 $318,000, 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 Principal Streaming Data Engineers in Arlington runs from $248,000 to $412,000. 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 VP of AI Product in Arlington earns $317,000 (0% more)
- The highest-paying role in Arlington is Principal Quantitative Researcher at $423,000
Common questions.
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Other salaries in Arlington
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