Principal Offensive Cyber Research Engineer

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

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• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

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Relocation assistance

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Childcare support

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Learning budget

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Verification

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Salary

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401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Principal From the posting source checked Jun 20, 2026

Work mode

Onsite From the posting source checked Jun 20, 2026

In-office days

5 days From the posting source checked Jun 20, 2026

Schedule

Shift type

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Weekend work

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Company

Company stage

Growth-stage From the posting source checked Jun 20, 2026

Application

Cover letter

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Assessment

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Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Principal Offensive Cyber Research Engineer Washington DC | OnSite ABOUT THE COMPANY America is under sustained cyber attack. Our adversaries infiltrate our networks, steal our IP, and degrade the digital infrastructure that modern life runs on. They've learned-correctly-that those attacks rarely produce consequences. Twenty was founded to change that, by making our adversaries think twice before they attack us. Our vision is American and allied primacy in cyberspace-a future where they cannot contest us, deterrence is assured, and the free world remains secure. Founded in 2024, Twenty Technologies (www.twenty.io http://www.twenty.io) industrializes offensive cyber operations for the U.S. and its allies. Headquartered in Arlington, Virginia, Twenty has raised $38M from Caffeinated Capital, General Catalyst, and In-Q-Tel. ROLE SUMMARY You will serve as the preeminent technical authority for Twenty's offensive cyber research program-setting the long-term vision, raising the bar on technical execution, and driving breakthroughs in adversary emulation and attack automation. Your work will shape how we build and standardize offensive capabilities that support real-world national security outcomes. You'll partner closely with engineering, product, and operations leaders, and you'll regularly advise executive leadership and government stakeholders on strategy, technical risk, and capability evolution. WHO YOU ARE - You're motivated by mission-driven work that helps defend democracies in the cyber domain. - You set a high technical bar and raise it-through clear standards, strong reviews, and hands-on mentorship. - You're calm under pressure and comfortable making high-stakes decisions with incomplete information. - You think in systems: tradeoffs, second-order effects, operational constraints, and long-term

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