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Defense Unicorns

Chief Information Security Officer (CISO)

RemoteUnited States only
Published
Role
Security
Experience
C-Level
Employment
Full-time
Company size
Startup
$260k–$300k/yr
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Open to US only. Set where you work from to check your eligibility.

No BS summary

Executive leader responsible for enterprise-wide information technology and security strategy, governance, and risk posture. Must have progressive experience in cybersecurity leadership, deep familiarity with CMMC Level 2 and NIST SP 800-171, and experience leading DoD contractor compliance. Requires an active DoD TS/SCI security clearance.

Core skills

Information Security StrategyCyber Risk ManagementIT Governance

Required skills

CMMC Level 2NIST SP 800-171DFARS 252.204-7012SPRS reportingSAM.gov obligationsIncident Response

Optional skills

CISSPCISMCCISOITAREARexport control compliancecloud-native environmentshybrid environments

Required languages

English

What you'll do

  • Develop and execute the enterprise-wide information security strategy, overseeing risk management, governance, compliance, and threat mitigation to protect highly sensitive data, intellectual property, customer environments, and Mission Hero infrastructure.
  • Serve as the organization's executive risk authority, the final decision-maker on security posture decisions with enterprise-level impact, and primary advisor to the CEO and senior leadership on cyber risk, emerging threats, and business impact.
  • Partner with the CEO, General Counsel, and business development leadership to align security investments with contract requirements, growth objectives, and mission priorities.
  • Represent Defense Unicorns' security posture in customer-facing engagements, contract negotiations, government interactions, and partnership discussions.
  • Provide executive oversight to the Director of Security Compliance and Director of Information Technology, ensuring cohesion between compliance obligations, IT infrastructure, and security operations.
  • Foster a collaborative, mission-first security culture, one that empowers Unicorns to move fast while minimizing risk to the business and our customers.
  • Own and execute on a strategy for responsible, cross-cutting AI usage in all functions which enables Unicorns while maintaining a verifiable information security posture.
  • Adapt Defense Unicorns application security processes to the AI-native threat hunting realities.
  • Operate and scale bug triage and/or bounty programs that are compatible with Open Source software practices and the trends in responsible disclosure.
  • Build and scale defensive security tooling that enables teams to shift-left and safeguard themselves and their work products, from emergent threats including software supply chain security, advanced security hunting, and advanced foreign actors.
  • Lead cross-functional efforts to safeguard production infrastructure, cloud platforms, and mission-critical systems against advanced cyber threats, ensuring resilience, regulatory adherence, and alignment with strategic business objectives.
  • Build and lead a high-performing security engineering function responsible for securing Defense Unicorns' production environments and customer-facing platforms, including architecture, hardening, threat detection, and defensive controls across cloud, hybrid, and on-premise infrastructure.
  • Direct strategy for security architecture and infrastructure protection at scale, setting the technical vision while empowering the Director of IT to implement.
  • Champion automation of security processes to reduce mean time to detection and containment, and drive continuous improvement across security operations.
  • Serve as the executive sponsor for the Incident Response program, ensuring the function is cross-trained, playbook-ready, and compliant with DFARS 252.204-7012 government notification requirements.
  • Own the enterprise Governance, Risk, and Compliance (GRC) framework, setting policy standards, defining residual risk thresholds, and ensuring accountability across organizational units.
  • Provide executive sponsorship for the CMMC Level 2 compliance program, maintaining accountability for DFARS 252.204-7012 and 7021 posture, POA&M governance, and C3PAO assessment readiness across all contract vehicles.
  • Oversee the third-party risk management (TPRM) program and supply chain risk management aligned to NIST SP 800-161, providing final approval authority on technology investments with compliance implications.
  • Serve as the executive interface for government regulatory agencies, C3PAO assessors, and auditors.
  • Report on cyber risk posture, program health, and compliance status to senior leadership on a regular cadence.
  • Build and sustain a security-aware culture across the organization, one that treats security as mission-enabling, not mission-blocking.
  • Lead enterprise security awareness and training programs, ensuring all Unicorns and contractors understand their role in maintaining the company's security posture.
  • Communicate complex security concepts clearly to diverse audiences, from engineers and operators to executives, board members, and government stakeholders.
  • Advocate for risk-informed decision-making at every level, empowering teams to operate confidently within well-understood guardrails.

What they require

  • Progressive experience in cybersecurity, information assurance, or a related field, with demonstrated experience in a senior leadership or executive role.
  • Deep, hands-on familiarity with CMMC Level 2 requirements and NIST SP 800-171; ability to oversee a comprehensive SSP and full assessment objective coverage.
  • Demonstrated experience leading a DoD contractor compliance program, including DFARS 252.204-7012, SPRS reporting, and SAM.gov obligations.
  • Proven ability to lead, manage, and develop high-performing security and IT teams, including direct management of director-level reports.
  • Experience owning or providing executive oversight for an Incident Response function, including government reporting obligations.
  • Strong GRC and policy governance skills; ability to build and sustain a compliance operations model that is durable through organizational growth and transition.
  • Exceptional communication skills, able to translate complex regulatory and technical requirements into clear strategic guidance for engineers, operators, executives, and external stakeholders.
  • Active DoD TS/SCI security clearance.
  • Active CISSP, CISM, CCISO, or equivalent certification.
  • Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related field; Master's degree preferred.
  • Direct experience as a C3PAO assessor, CMMC Registered Practitioner, or third-party assessment participant.
  • Familiarity with ITAR, EAR, and export control compliance in a DoD supply chain context.
  • Experience with cloud-native and hybrid environments and evaluating SaaS platforms against CMMC control requirements.
  • Experience with emerging AI governance frameworks and the intersection of AI tooling with security and compliance obligations.
  • Prior role in a defense or highly regulated industry focused startup or fast-growth government contractor environment.
  • Experience scaling enterprise security and GRC programs to support rapid organizational growth.

Benefits

  • Medical/Dental/Vision Premiums are 100% Company Paid
  • Health Savings Account
  • Life Insurance
  • Disability Insurance
  • 401k Retirement Plan
  • Company Stock Options
  • Home Office Budget
  • Flexible Time Off (FTO) plus all Federal Holidays, one week for Thanksgiving, and two weeks for Christmas and New Year’s
  • Paid Parental Leave
  • Reimbursement for approved trainings/subscriptions
  • Conferences (travel, lodging, and fees)

Defense Unicorns builds software for high-stakes environments.

Software DevelopmentMid-size
$260k–$300k/yr