Nooks · 12 hours ago
Cybersecurity Lead
Arlington, VA
Full-time
Onsite
Senior Level, Lead/Staff
$125K/yr - $165K/yr
10+ years expNooks is a startup pioneering Classified Infrastructure-as-a-Service (CIaaS) to enhance national security through innovative classified systems. The Cybersecurity Lead will oversee Information System Security Management functions and ensure compliance and operational integrity across multiple classified networks while collaborating with government cybersecurity experts.
AerospaceInformation TechnologySubscription Service
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Serve as the ISSM and ISSO for multiple classified networks, ensuring compliance with all relevant security standards and frameworks (e.g. NIST, ICD 503, CNSS, etc.)
Coordinate and collaborate with cybersecurity experts at government organizations to ensure networks are deployed in accordance with cybersecurity policies, approvals and implementation of Risk Management Framework (RMF) (e.g. DAAPM, ICD-503, JSIG, or NIST SP 800-171)
Develop and implement security policies, procedures, and best practices for classified systems across multiple locations
Perform regular risk assessments, vulnerability assessments, and continuous monitoring to identify potential threats and vulnerabilities
Lead and coordinate the preparation of security documentation, including Authorization to Operate (ATO) packets, Security Plans (SSPs), risk assessments (RALs), and Plan of Action and Milestones (POA&Ms)
Act as the primary point of contact for security audits and assessments, ensuring systems meet or exceed requirements for certification and accreditation
Regularly audit logs from the server and network environments to maintain our security posture
Support incident response efforts, including detection, analysis, and remediation of security incidents
Work closely with other IT and cybersecurity personnel to ensure the confidentiality, integrity, and availability of classified information
Provide training and guidance to staff members on Cybersecurity protocols, procedures, and best practices
As company grows, will become a Cybersecurity leader to coach, manage and provide technical guidance to less-experienced Cyber professionals
Qualification
Required
Must have an Active DoD Top Security Clearance and be a US citizen
Meet ISSM / ISSO training and certification requirements as outlined in DoDM 8140.03
Must have at least one of the following certifications:
Must have a proactive and forward thinking mindset with a positive, 'can-do' attitude, eager to challenge the status quo in cybersecurity and drive innovative changes in a fast-paced, startup environment
Minimum 10 years of experience in cybersecurity, with a focus on classified networks, as an ISSM/ISSO
Experience in system administration (Windows/Linux server environments, virtualization, networking protocols, etc.)
In-depth understanding of federal cybersecurity policies, regulations, and frameworks (NISPOM, DAAPM, NIST, JSIG, RMF, etc.)
Familiarity with security tools (SIEMs, IDS/IPS, vulnerability scanners, etc.)
Strong knowledge of network security protocols, firewalls, and encryption technologies
Experience in writing and maintaining security documentation, including initial ATO submissions, SSPs, POA&Ms, and risk assessments
Proven experience managing and securing multi-site IT infrastructures, particularly in high-security environments
Preferred
Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field
Cybersecurity certifications (Security+, CISA, CCSP, etc.)
Experience with Top Secret and Special Access Programs (SAP) networks
Company
Nooks
Nooks provides Classified-Spaces-as-a-Service (CSaaS) to both commercial and government customers.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$40.15MKey Investors
Zigg Capital
2025-06-09Series A· $25M
2025-02-14Series Unknown· $9.99M
2023-02-27Seed· $4M
Leadership Team
Sean Blackman
Co-Founder and CEO
Hunter Price
Co-Founder & Senior Advisor
Recent News
2025-06-09
SEC
2024-04-10
Company data provided by crunchbase