Knowledge Graph Engineer.
Washington DC.
$213,000
median salary, 25% above the national average
$160,000 to $278,000. Updated for 2026.
The numbers.
Everything you need to negotiate with confidence.
Here is what Knowledge Graph Engineers actually make in Washington DC: $160,000 at the 25th percentile, $213,000 at the median, and $278,000 at the 75th. That is 25% above the national average. Washington DC's job market is shaped by the federal government, defense contractors, and a growing commercial tech sector. The number on your offer letter will depend on what you bring and how you ask.
Salary range
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How Washington DC compares
Washington DC, DC
$213,000
Cost of living: 25% above average
National Average
$170,000
Washington DC is $43,000 above
What you should know
Before you negotiate a Knowledge Graph Engineer offer in Washington DC, understand the terrain. Washington DC's job market is shaped by the federal government, defense contractors, and a growing commercial tech sector. Cybersecurity, cloud computing, and consulting firms drive demand for cleared professionals. The region's stability, combined with high government pay scales, creates a salary floor that pulls private sector compensation upward. Knowledge graph engineers combine graph database expertise with AI integration skills, a specialization that commands premium pay. Experience with enterprise knowledge graphs at scale using Neo4j, Amazon Neptune, or custom solutions drives salary above standard backend engineering. Pharmaceutical and fintech sectors pay the highest rates for this role.
Junior knowledge graph engineers earn $128,000 to $152,000. Engineers with 3 to 5 years of specialized experience reach $170,000 to $222,000. Senior engineers and graph platform leads earn $228,000 to $300,000, while principal engineers and directors of knowledge systems can command $310,000 to $400,000. In Washington DC, those numbers run higher. The cost of living here is 25% above average, and employers adjust to compete.
Base salary is not the full picture. Tech companies offer equity worth 18 to 30% of base salary. Annual bonuses range from 10 to 18%. Enterprise software companies may offer customer success bonuses tied to knowledge graph deployment milestones worth $8,000 to $20,000 annually. And on the tax side: dC income tax rates reach 10.75% for high earners. Maryland and Virginia residents working in DC face their own state taxes. Choose your residence jurisdiction carefully to optimize net pay. When someone quotes you $213,000, 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 negotiation asset. Cleared professionals in DC command 20 to 30% premiums, and transferring your clearance to a new employer saves them significant time and cost. The range for Knowledge Graph Engineers in Washington DC runs from $160,000 to $278,000. That is not a narrow window. Where you land inside it depends almost entirely on whether you negotiate and how well you prepare.
Top industries in Washington DC
Negotiating in Washington DC
A security clearance is your strongest negotiation asset. Cleared professionals in DC command 20 to 30% premiums, and transferring your clearance to a new employer saves them significant time and cost.