Cybersecurity Lead

Nooks; Colorado Springs (CO); On-site; USD 140,000 - 160,000; Full time

Job summary

A leading cybersecurity firm based in Colorado Springs seeks a Cybersecurity Lead to oversee ISSM and ISSO responsibilities across classified networks. This role requires 10+ years of experience in cybersecurity, strong knowledge of federal DoD policies, and relevant certifications. You will develop and implement security policies, lead incident response efforts, and mentor junior staff. An active Top Secret clearance is required. This position offers a competitive salary ranging from $140,000 to $160,000 USD annually.

Qualifications

• 10+ years of cybersecurity experience with classified networks.
• Strong knowledge of federal and DoD cybersecurity policies.
• Relevant certifications such as CISSP, CISM, or GSLC are required.

Responsibilities

• Oversee ISSM and ISSO responsibilities across multiple classified networks.
• Develop and implement security policies and procedures.
• Lead incident response efforts, including detection and remediation.

Skills

Cybersecurity experience with classified networks

System administration

Multi-site IT infrastructure management

Experience with Windows/Linux servers

Networking protocols

Firewalls

Encryption

Cloud security

Hybrid networks

Strong knowledge of federal and DoD cybersecurity policies

Education

Bachelor’s degree in Computer Science, IT, Cybersecurity

Tools

SIEMs

IDS/IPS

Vulnerability scanners

Automated patch management

Job description

About Nooks

Nooks is pioneering Classified Infrastructure-as-a-Service (CIaaS) to provide government and industry partners with the fastest, most efficient access to classified infrastructure. We are building a nationwide network of accredited classified spaces and systems, ensuring that the best technologies equip our nation’s warfighters. At Nooks, we value innovation, collaboration, and a service-first mindset.

About The Role

The Cybersecurity Lead will oversee Information System Security Management (ISSM) and Information System Security Officer (ISSO) responsibilities across multiple classified networks. This role ensures the security, compliance, and operational integrity of classified systems, including auditing logs, managing risks, and supporting incident response. The position also involves developing security policies and procedures, maintaining documentation for certification and accreditation, and mentoring junior cybersecurity staff.

Key Responsibilities

• Serve as ISSM/ISSO for multiple classified networks, ensuring compliance with federal and DoD cybersecurity standards and frameworks (e.g., NIST, ICD 503, CNSS, DAAPM, JSIG, RMF).
• Develop and implement security policies, procedures, and best practices for multi-site environments.
• Conduct risk assessments, vulnerability scans, continuous monitoring, and security audits.
• Prepare and maintain security documentation including ATO packets, Security Plans (SSPs), Risk Assessments (RALs), and POA&Ms.
• Lead incident response efforts, including detection, analysis, and remediation.
• Collaborate with IT and cybersecurity teams to protect classified information.
• Provide guidance, training, and mentorship to cybersecurity staff.

The Skillset

• 10+ years of cybersecurity experience with classified networks, system administration, and multi-site IT infrastructure management.
• Experience with Windows/Linux servers, virtualization, networking protocols, firewalls, encryption, cloud security, and hybrid networks.
• Strong knowledge of federal and DoD cybersecurity policies, regulations, and frameworks.
• Familiarity with security tools (SIEMs, IDS/IPS, vulnerability scanners) and automated patch management.
• ISSM/ISSO training and certification per DoDM 8140.03.
• Relevant certifications such as CISSP, CISM, or GSLC; additional certifications (Security+, CISA, CCSP) preferred.
• Bachelor’s degree in Computer Science, IT, Cybersecurity, or related field.

Eligibility & Clearance

• Active Top Secret clearance required.

Salary Range for all departments
Salary Range: $140,000 USD - $160,000 USD

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Defense and Space Manufacturing

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