Principal Streaming Data Engineer.
Charleston.
$268,000
median salary, 2% above the national average
$209,000 to $348,000. Last updated April 2026.
Get the job.
Data points to own the conversation.
If you are evaluating a Principal Streaming Data Engineer offer in Charleston, SC, here is the reality: $209,000 to $348,000, with $268,000 as the midpoint. 2% above the national average. Technical depth in data infrastructure, statistical rigor, and business impact measurement are the primary drivers. Do not accept the first number.
Salary range
Where do you fall?
Salary by experience
The gap between entry and lead level is typically $241,000. Where you land depends on years of experience and what you bring to the table.
Entry (0-2 yrs)
$174,000
to $214,000
Mid (3-5 yrs)
$228,000
to $281,000
Senior (6-9 yrs)
$295,000
to $348,000
Lead (10+ yrs)
$335,000
to $415,000
Salary trend
+5% YoYTotal compensation
Base salary is not the full picture. Equity, bonus, and signing can add $70,000 to the total package.
Base
$268,000
Equity
$40,000
Bonus
$25,000
Signing
$5,000
Estimated total: $338,000
How Charleston compares
Charleston, SC
$268,000
Cost of living: 2% below average
National Average
$263,000
Charleston is $5,000 above
Principal Streaming Data Engineer salary by city
Salary by role in Charleston
What you should know
The Principal Streaming Data Engineer landscape in Charleston is not what most salary sites will tell you. Charleston is one of the South's fastest growing tech hubs, with Boeing, Volvo, and a wave of software companies establishing operations. The city's port drives significant logistics employment. Charleston's quality of life, moderate costs, and growing tech scene attract relocating professionals from across the country. 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 Charleston, cost of living sits near the national average, so the numbers you see are roughly what you keep.
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: south Carolina's top income tax rate is 6.4%. Charleston has no city income tax. The state rate is moderate, and the affordable cost of living keeps net pay competitive. When someone quotes you $268,000, ask what the total package looks like. The gap between base and total comp is where real money hides.
On negotiation: Highlight the Boeing and Volvo ecosystem when negotiating. Manufacturing and engineering employers in Charleston benchmark against national aerospace pay scales. The range for Principal Streaming Data Engineers in Charleston runs from $209,000 to $348,000. 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 Engineering in Charleston earns $267,000 (0% more)
- The highest-paying role in Charleston is Technical Fellow at $343,000
Common questions.
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